WO2002054524A1 - Accumulateur electrolytique non aqueux - Google Patents
Accumulateur electrolytique non aqueuxInfo
- Publication number
- WO2002054524A1 WO2002054524A1 PCT/JP2001/010655 JP0110655W WO02054524A1 WO 2002054524 A1 WO2002054524 A1 WO 2002054524A1 JP 0110655 W JP0110655 W JP 0110655W WO 02054524 A1 WO02054524 A1 WO 02054524A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- positive electrode
- negative electrode
- secondary battery
- aqueous electrolyte
- electrolyte secondary
- Prior art date
Links
- 239000011255 nonaqueous electrolyte Substances 0.000 claims abstract description 49
- 239000000203 mixture Substances 0.000 claims abstract description 45
- 239000000654 additive Substances 0.000 claims abstract description 39
- 230000000996 additive effect Effects 0.000 claims abstract description 29
- -1 polyethylene, ethylene-vinyl acetate Polymers 0.000 claims description 32
- 229920000642 polymer Polymers 0.000 claims description 22
- 239000011230 binding agent Substances 0.000 claims description 20
- 229920001577 copolymer Polymers 0.000 claims description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 13
- 239000013618 particulate matter Substances 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 9
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 claims description 8
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 8
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims description 8
- 239000003575 carbonaceous material Substances 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000003792 electrolyte Substances 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 239000011236 particulate material Substances 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 claims description 5
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 5
- XJKSTNDFUHDPQJ-UHFFFAOYSA-N 1,4-diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=C(C=2C=CC=CC=2)C=C1 XJKSTNDFUHDPQJ-UHFFFAOYSA-N 0.000 claims description 4
- UDONPJKEOAWFGI-UHFFFAOYSA-N 1-methyl-3-phenoxybenzene Chemical compound CC1=CC=CC(OC=2C=CC=CC=2)=C1 UDONPJKEOAWFGI-UHFFFAOYSA-N 0.000 claims description 4
- QUBJDMPBDURTJT-UHFFFAOYSA-N 3-chlorothiophene Chemical compound ClC=1C=CSC=1 QUBJDMPBDURTJT-UHFFFAOYSA-N 0.000 claims description 4
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 4
- 235000010290 biphenyl Nutrition 0.000 claims description 4
- 239000004305 biphenyl Substances 0.000 claims description 4
- 150000001987 diarylethers Chemical class 0.000 claims description 4
- 229930184652 p-Terphenyl Natural products 0.000 claims description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 4
- YWYHGNUFMPSTTR-UHFFFAOYSA-N 1-methyl-4-(4-methylphenoxy)benzene Chemical compound C1=CC(C)=CC=C1OC1=CC=C(C)C=C1 YWYHGNUFMPSTTR-UHFFFAOYSA-N 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- LTEQMZWBSYACLV-UHFFFAOYSA-N Hexylbenzene Chemical compound CCCCCCC1=CC=CC=C1 LTEQMZWBSYACLV-UHFFFAOYSA-N 0.000 claims 2
- 239000005038 ethylene vinyl acetate Substances 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000000379 polymerizing effect Effects 0.000 abstract 1
- 239000004698 Polyethylene Substances 0.000 description 12
- 229910052744 lithium Inorganic materials 0.000 description 12
- 229920000573 polyethylene Polymers 0.000 description 12
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 11
- 230000001965 increasing effect Effects 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 230000002159 abnormal effect Effects 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- 238000006116 polymerization reaction Methods 0.000 description 9
- 230000020169 heat generation Effects 0.000 description 6
- 239000007774 positive electrode material Substances 0.000 description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 5
- 239000003125 aqueous solvent Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000007773 negative electrode material Substances 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- OIAQMFOKAXHPNH-UHFFFAOYSA-N 1,2-diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC=C1C1=CC=CC=C1 OIAQMFOKAXHPNH-UHFFFAOYSA-N 0.000 description 3
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 3
- 239000006230 acetylene black Substances 0.000 description 3
- 239000011149 active material Substances 0.000 description 3
- 229910021383 artificial graphite Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 150000005676 cyclic carbonates Chemical class 0.000 description 3
- HHNHBFLGXIUXCM-GFCCVEGCSA-N cyclohexylbenzene Chemical compound [CH]1CCCC[C@@H]1C1=CC=CC=C1 HHNHBFLGXIUXCM-GFCCVEGCSA-N 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 229910003002 lithium salt Inorganic materials 0.000 description 3
- 159000000002 lithium salts Chemical class 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000006479 redox reaction Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- 108010000020 Platelet Factor 3 Proteins 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 125000002015 acyclic group Chemical group 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011532 electronic conductor Substances 0.000 description 2
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000011245 gel electrolyte Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 239000011244 liquid electrolyte Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 229910021382 natural graphite Inorganic materials 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910000314 transition metal oxide Inorganic materials 0.000 description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 1
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 1
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 1
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- RJUFJBKOKNCXHH-UHFFFAOYSA-N Methyl propionate Chemical compound CCC(=O)OC RJUFJBKOKNCXHH-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- UNZLLDQCALWUCT-UHFFFAOYSA-N [P].COP(=O)(OC)OC Chemical compound [P].COP(=O)(OC)OC UNZLLDQCALWUCT-UHFFFAOYSA-N 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- IZJSTXINDUKPRP-UHFFFAOYSA-N aluminum lead Chemical compound [Al].[Pb] IZJSTXINDUKPRP-UHFFFAOYSA-N 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 150000008378 aryl ethers Chemical class 0.000 description 1
- XRERONKQLIQWGW-UHFFFAOYSA-N but-1-ene;styrene Chemical compound CCC=C.C=CC1=CC=CC=C1 XRERONKQLIQWGW-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 150000004696 coordination complex Chemical class 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- VUPKGFBOKBGHFZ-UHFFFAOYSA-N dipropyl carbonate Chemical compound CCCOC(=O)OCCC VUPKGFBOKBGHFZ-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- KLKFAASOGCDTDT-UHFFFAOYSA-N ethoxymethoxyethane Chemical compound CCOCOCC KLKFAASOGCDTDT-UHFFFAOYSA-N 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910021397 glassy carbon Inorganic materials 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 230000010220 ion permeability Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- HEPLMSKRHVKCAQ-UHFFFAOYSA-N lead nickel Chemical compound [Ni].[Pb] HEPLMSKRHVKCAQ-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- 229910052808 lithium carbonate Inorganic materials 0.000 description 1
- WMFOQBRAJBCJND-UHFFFAOYSA-M lithium hydroxide Inorganic materials [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 1
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Inorganic materials [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical class [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- 239000002931 mesocarbon microbead Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- RCIJMMSZBQEWKW-UHFFFAOYSA-N methyl propan-2-yl carbonate Chemical compound COC(=O)OC(C)C RCIJMMSZBQEWKW-UHFFFAOYSA-N 0.000 description 1
- 229940017219 methyl propionate Drugs 0.000 description 1
- KKQAVHGECIBFRQ-UHFFFAOYSA-N methyl propyl carbonate Chemical compound CCCOC(=O)OC KKQAVHGECIBFRQ-UHFFFAOYSA-N 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 238000009783 overcharge test Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- FKRCODPIKNYEAC-UHFFFAOYSA-N propionic acid ethyl ester Natural products CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000002296 pyrolytic carbon Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 229910000299 transition metal carbonate Inorganic materials 0.000 description 1
- 229910002001 transition metal nitrate Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
- H01M10/0567—Liquid materials characterised by the additives
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/366—Composites as layered products
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
- H01M4/622—Binders being polymers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/665—Composites
- H01M4/667—Composites in the form of layers, e.g. coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M2010/4292—Aspects relating to capacity ratio of electrodes/electrolyte or anode/cathode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/10—Temperature sensitive devices
- H01M2200/106—PTC
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to a highly safe nonaqueous electrolyte secondary battery.
- non-aqueous electrolyte secondary batteries using a negative electrode containing lithium as an active material are particularly expected to have high voltage and high energy density.
- a lithium-containing metal oxide is used as the positive electrode active material.
- a material capable of inserting and extracting lithium such as a carbon material, is used.
- non-aqueous electrolyte secondary batteries ensuring safety is one of the important issues.
- the lithium ion secondary batteries when the charge control circuit fails, the lithium ion Is extracted excessively and moves to the negative electrode. Then, lithium having a predetermined capacity or more is occluded in the negative electrode or deposited as metallic lithium on the negative electrode surface. If charging is continued forcibly in such a state, the internal resistance of the battery may increase, resulting in abnormal heat generation.
- a temperature-sensitive current interrupting device such as a positive temperature coefficient thermistor (PTC) or thermal fuse outside the battery.
- PTC positive temperature coefficient thermistor
- Using a temperature-sensitive current interrupting element to cut off current accurately the safety of the battery can be ensured.
- Japanese Patent Application Laid-Open Nos. Hei 6-23011, Hei 10-1253 53 and Hei 10-24 1665 disclose a positive resistance inside the battery.
- a method of providing a current interrupting element having a temperature coefficient has been proposed.
- U.S. Pat. No. 4,494,497 discloses a means for sensing a change in battery internal pressure and interrupting charging current from the viewpoint of solving the problem of overcharging.
- Japanese Patent Application Laid-Open Nos. Hei 1-206571, Hei 6-3338347 and Hei 7-302614 disclose an additive which causes a reversible oxidation-reduction reaction. and additives to the electrolyte, the redox shuttle mechanism, but c an electrician Nerugi one charged into the internal battery has proposed a method of self-consumed, if the overcharge current was increased summer, the rate of oxidation-reduction reaction
- batteries using the redox shuttle mechanism are not sufficiently safe.
- Japanese Unexamined Patent Publication Nos. Hei 9-15082, Hei 10-503342, Hei 9-106 835, Hei 10-32 1258 Japanese Patent Application Publication No. 9-39469 and Japanese Patent Application Laid-Open No. 2000-51811 disclose aromatic, biphenyl, thiophene, and terphenyl having a methoxy group and a halogen element inside a battery. And means for adding aromatic ethers and the like. These additives polymerize during the low overcharge stage, causing the temperature of the battery to rise. As a result, the pores in the separation are closed, and the current is cut off.
- a battery with an external temperature-sensitive current interrupting element if an additive is further added to the electrolyte, safety can be ensured if overcharging is performed with a current of 1 to 2 C or a large current of 5 C or more. .
- the temperature-sensitive current interrupting element does not operate with high sensitivity, and the polymerization of the additive cannot follow the charging, so that sufficient safety is achieved. Not secured.
- the present invention has been made in view of the above circumstances, and has as its object to provide a battery that can ensure safety even when overcharge is performed in any current range. Disclosure of the invention
- the present invention comprises a positive electrode comprising a positive electrode current collector and a positive electrode mixture layer formed thereon, a negative electrode comprising a negative electrode current collector and a negative electrode mixture layer formed thereon, and a non-aqueous electrolyte
- a non-aqueous electrolyte secondary battery wherein (1) at least one of the positive electrode and the negative electrode has a positive temperature coefficient of resistance, and (2) the non-aqueous electrolyte is at a normal operating voltage of the battery.
- a voltage that is stable but exceeds the maximum value of the operating voltage contains an additive that polymerizes.
- the present invention relates to a non-aqueous electrolyte secondary battery.
- the non-aqueous electrolyte includes a liquid electrolyte composed of a solute and a non-aqueous solvent, a gel electrolyte in which the liquid electrolyte is held in a host polymer, a solid polymer electrolyte containing the solute, and the like.
- the resistance value of at least one of the positive electrode and the negative electrode at 110 to 130 ° C. is preferably at least 100 times the resistance value of the same electrode at 25 ° C. For example, it is desirable that the resistance value rapidly increases around 120 ° C. and becomes 100 times or more the resistance value at room temperature.
- the positive electrode and at least one resistivity at 1 2 0 ° C in the negative electrode is preferably 1 0 7 ⁇ ⁇ cm or more.
- Additives that polymerize at a voltage exceeding the upper limit of the normal operating voltage of the battery can be used without limitation.
- biphenyl, 3-chloro-thiophene, furan, o-terphenyl, m-terphenyl, p-terphenyl, diphenylether, 2,3-benzofuran, bis (p-tolyl) ether, diaryl ether It is effective to use at least one member selected from the group consisting of 7-butyl ether, 3-phenoxytoluene and cyclohexylbenzene.
- These additives may be used alone or in combination of two or more.
- the positive electrode or the negative electrode In order to provide the positive electrode or the negative electrode with a positive temperature coefficient of resistance, it is effective to form a resistance layer having a positive temperature coefficient of resistance on the surface of the positive electrode current collector or the negative electrode current collector.
- a positive electrode for example, it is effective to provide a resistance layer made of a mixture of a conductive particulate matter and a binding polymer on the surface of a current collector made of aluminum.
- the conductive particulate material used for the positive electrode is preferably made of a carbon material.
- a negative electrode for example, on the surface of a negative electrode current collector made of copper or nickel. It is effective to provide a resistance layer made of a mixture of the conductive particulate matter and the binder polymer.
- the conductive particulate material used for the negative electrode is preferably made of nickel or copper.
- the binder polymer used for the positive or negative electrode is polyethylene, ethylene-pinyl acetate copolymer, ethylene-propylene copolymer, ethylene, propylene-biel acetate copolymer, polypropylene, polyacrylonitrile, and aromatic carbon having a Bier group. At least one member selected from the group consisting of hydrogen and conjugated gen copolymers is desirable because the strength of the electrode plate and the resistance temperature coefficient can be easily controlled. These binder polymers may be used alone or in combination of two or more.
- the C / A value is preferably 0.2 to 6. OmAhZcm 2 .
- a C / A value of 0.2 to 4.5 mAh / cm 2 is preferable in that the high-rate characteristics of the battery can be sufficiently maintained.
- FIG. 1 is a longitudinal sectional view of a cylindrical battery according to an embodiment of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION
- the nonaqueous electrolyte secondary battery of the present invention (1) at least one of the positive electrode and the negative electrode has a positive temperature coefficient of resistance, and (2) the nonaqueous electrolyte is stable at a normal operating voltage of the battery. However, at a voltage exceeding the maximum value of the operating voltage, additives that overlap may be contained.
- the additive initiates polymerization on the positive electrode when the battery is overcharged. Then, since a polymer is formed on the positive electrode surface, the oxidation-reduction reaction involving the active material is inhibited, the internal resistance of the battery starts to increase, and the battery generates heat. This At the same time, the temperature of the electrode plate having a positive temperature coefficient of resistance rises, and the resistance of the electrode plate rises. In this way, the increase in the internal resistance due to the additive and the increase in the electrode plate resistance act synergistically, so that even when the battery is overcharged with a current of 3 to 5 C, the current is quickly increased. It becomes possible to cut off.
- the efficiency of extracting lithium ions from the positive electrode is significantly reduced by the polymerization reaction on the positive electrode, so that a decrease in the thermal stability of the positive electrode active material can be prevented. Therefore, according to the present invention, it is possible to realize a significantly safer battery than before.
- the temperature coefficient of resistance X is generally
- the temperature coefficient of resistance X of at least one of the positive electrode and the negative electrode used in the present invention is preferably 1 ⁇ 10 6 ⁇ 1 ⁇ 10 IQ .
- the resistance temperature coefficient of the electrode greatly changes, for example, at 110 to 130 ° C.
- the additives to be added to the non-aqueous electrolyte are not intended for a redox shuttle mechanism as disclosed in Japanese Patent Application Laid-Open Nos. 7-32014 and 9-502822. Therefore, it is desirable that the oxidative polymerization of the additive be irreversible.
- the additive is chemically stable at a normal operating voltage of the battery, and needs to be rapidly oxidized and polymerized at a voltage in an overcharge region exceeding the maximum value of the operating voltage.
- L i C o 0 2, L i N i 02, L i Mn 2 0 4 lithium-containing transition metal oxide such as the positive electrode active material when using a carbon material for the negative electrode, the additive 0.0 3 to 4.3 It is stable at V, and when it exceeds 4.3 V, it is necessary to carry out oxidative polymerization promptly.
- the additive examples include p-phenyl, 3-chloro-thiophene, furan, o-terphenyl, m-terphenyl, p-terphenyl, diphenyl ether, 2,3-benzofuran, and bis ( ⁇ -tolyl) ether , Diaryl ether, arylbutyl ether, 3-phenoxytoluene, cyclohexylbenzene and the like are preferred. These may be used alone or as a mixture of two or more. These do not affect battery performance as long as they are used in the normal voltage range, and work effectively when the battery is overcharged.
- the positive and negative electrodes are usually plate-shaped. Ratio of battery capacity C (mAh) to area A (cm 2 ) between the positive electrode and the negative electrode:
- the CZA value is preferably 0.2 to 6.0 mA hZ cm 2 . . 7 If the value is less than 0.2 mAhZcm 2 , that is, if the electrode plate area is too large relative to the capacity C, it is not practical from the viewpoint of battery capacity. Conversely, if the CZA value exceeds 6.0 mAhZcm 2 , the current density will increase even when the battery is charged and discharged with a normal current, and the resistance of the electrode plate will increase. Not a target. Further, from the viewpoint of the high-rate discharge characteristics of the battery, the CZA value is more preferably 4.5 mA hZ cm 2 or less.
- the positive electrode current collector may be any electronic conductor that does not cause a chemical change inside the battery.
- the positive electrode current collector can be made of, for example, stainless steel, aluminum, titanium, or carbon. Of these, aluminum and aluminum alloys are particularly preferred.
- Cathode current collectors include oils, films, sheets, nets, punched materials, laths, porous bodies, foams, and fibrous nonwoven fabrics.
- the surface of the positive electrode current collector may be made uneven by surface treatment.
- Positive current collector The thickness of the body is, for example, 1 to 500 m.
- a positive electrode having a positive temperature coefficient of resistance By forming a resistance layer having a positive temperature coefficient of resistance on the surface of the positive electrode current collector, a positive electrode having a positive temperature coefficient of resistance can be obtained.
- the resistance layer of the positive electrode be made of a mixture of a conductive particulate matter and a binder polymer.
- the resistance layer is provided by applying the mixture to the surface of the positive electrode current collector, for example, with a thickness of 0.5 to 10 m.
- the conductive particulate material used for the positive electrode is preferably made of a carbon material.
- a carbon material for example, acetylene black, artificial graphite, or the like is used.
- the binder polymer used for the positive electrode is polyethylene, ethylene / pinyl acetate copolymer, ethylene / propylene copolymer, ethylene / propylene / vinyl acetate copolymer, polypropylene, polyacrylonitrile, aromatic hydrocarbon having a vinyl group Conjugated gen copolymers (eg, styrene-butadiene copolymer) are preferred. They expand at high temperatures, reducing the contact points of the particulate matter and increasing the resistance of the resistive layer. Binder polymers having a softening point at 110 to 130 ° C. are particularly effective.
- the binder polymer is preferably mixed with 100 parts by weight of the particulate matter, 0.5 to 10 parts by weight, and more preferably 0.5 to 5 parts by weight.
- a lithium-containing composite oxide is preferable. Li x C o ⁇ z,
- the lithium-containing composite oxide is prepared by, for example, pulverizing and mixing lithium carbonate, nitrate, oxide or hydroxide with a transition metal carbonate, nitrate, oxide or hydroxide in a desired composition, and firing. To be synthesized.
- the firing temperature is 250 to 150 ° C. at which a part of the raw material is decomposed or melted.
- the firing time is preferably 1 to 80 hours.
- the negative electrode current collector may be any electronic conductor that does not cause a chemical change inside the battery.
- the negative electrode current collector can be made of, for example, stainless steel, nickel, copper, titanium, or the like. Among them, copper or copper alloy is preferable.
- ⁇ Negative electrode current collectors include oils, films, sheets, nets, punched materials, lath bodies, porous bodies, foams, molded fibers and nonwoven fabrics. You.
- the surface of the negative electrode current collector may be made uneven by surface treatment.
- the thickness of the negative electrode current collector is, for example, 1 to 500, preferably 1 to 15.
- the resistance layer of the negative electrode is desirably made of a mixture of a conductive particulate material and a binder polymer.
- the resistance layer is provided by applying the mixture to the surface of the negative electrode current collector with a thickness of, for example, 0.5 to 10 m.
- the conductive particulate material used for the negative electrode is preferably made of a chemically stable material such as nickel and copper.
- the average particle size of the particulate matter is desirably 0.5 to 10 m.
- the binder polymer used for the negative electrode is polyethylene, ethylene-biel acetate copolymer, ethylene-propylene copolymer, ethylene-propylene-vinegar.
- Preferred are acid biel copolymer, polypropylene, polyacrylonitrile, and aromatic hydrocarbon / conjugated gen copolymer having a vinyl group.
- the binder polymer is preferably mixed with 100 parts by weight of the particulate matter, 0.5 to 10 parts by weight, and more preferably 0.5 to 5 parts by weight.
- Examples of the material contained in the negative electrode mixture layer include a lithium alloy, an alloy, an intermetallic compound, a carbon material, an organic compound, an inorganic compound, a metal complex, and an organic polymer compound. These may be used alone or in combination.
- Carbon materials include coke, pyrolytic carbon, natural graphite, artificial graphite, mesocarbon microbeads, graphitized mesophase spherules, vapor-grown carbon, glassy carbon, carbon fiber, amorphous carbon, and organic compounds. And the like. These may be used alone or in combination. Of these, those obtained by graphitizing mesophase microspheres, natural graphite, artificial graphite, and the like are preferred.
- Li When Li is contained in the positive electrode active material, carbon or the like not containing Li can be used for the negative electrode material. However, it is preferable to contain 0.01 to 10 parts by weight of Li per 100 parts by weight of the negative electrode material not containing Li.
- To add Li to the negative electrode material apply heated and molten lithium metal to the current collector on which the negative electrode material is pressed, or attach metal lithium to the negative electrode and electrochemically convert the negative electrode material into an electrolyte. May be doped with Li.
- binder contained in the positive electrode mixture or the negative electrode mixture examples include fluorine resins such as polyvinylidene fluoride and polytetrafluoroethylene, acrylic resins, styrene butadiene rubber, and ethylene propylene terpolymer. These may be used alone or as a mixture.
- the non-aqueous electrolyte used in the present invention preferably comprises a non-aqueous solvent and a lithium salt.
- non-aqueous solvent examples include cyclic carbonates such as ethylene carbonate, propylene carbonate, butylene carbonate, and vinylene carbonate; dimethyl carbonate, getyl carbonate, ethyl methyl carbonate, methyl propyl carbonate, and methyl isopropyl carbonate.
- cyclic carbonates such as ethylene carbonate, propylene carbonate, butylene carbonate, and vinylene carbonate
- dimethyl carbonate getyl carbonate, ethyl methyl carbonate, methyl propyl carbonate, and methyl isopropyl carbonate.
- Acyclic carbonates such as carbonate and dipropyl carbonate; aliphatic carboxylate esters such as methyl formate, methyl acetate, methyl propionate and ethyl ethyl propionate; lactones such as ⁇ -butyrolactone; 1,2-dimethoxyethane; Acyclic ethers such as 1,2-diethoxytan and ethoxymethoxyethane; cyclic ethers such as tetrahydrofuran and 2-methyltetrahydrofuran; dimethyl sulfoxide, 1,3-dioxolan, phosphorus Trimethyl phosphate Toryechiru, alkyl phosphate or its fluoride, such as phosphoric Trio corruptible; Ru can be mentioned.
- a cyclic carbonate and an acyclic carbonate may be used alone or as a mixture of two or more. Among them, it is preferable to use a mixture of a cyclic carbonate and an acyclic carbonate or a mixture of a cyclic carbonate, an acyclic carbonate and an aliphatic carboxylic acid ester.
- lithium salts soluble in non-aqueous solvents include, for example, LiClC,
- the concentration of the lithium salt in the nonaqueous electrolyte is preferably 0.2 to 2 mo1 liter, particularly preferably 0.5 to 1.5 mo1 Z liter.
- the amount of non-aqueous electrolyte injected into the battery depends on the capacity of the electrode and the size of the battery.
- a gel electrolyte in which a liquid non-aqueous electrolyte is held in a host polymer can also be used.
- the host polymer for example, polyethylene oxide, polypropylene oxide, polyvinylidene fluoride, and derivatives thereof are effective.
- a copolymer of vinylidene fluoride and hexafluoropropylene and a mixture of polyvinylidene fluoride and polyethylene oxide are preferred.
- an insulating microporous thin film / nonwoven fabric having high ion permeability and predetermined mechanical strength is used. Separators having a function of closing pores at 80 ° C. or higher are preferred. Separators are made of polypropylene, polyethylene and other olefins, glass fibers, etc. from the viewpoint of resistance to non-aqueous solvents and hydrophobicity.
- the pore diameter of the separator is desirably a size that does not allow the active material, the binder, and the conductive agent detached from the electrode plate to pass through, for example, 0.01 to lxm. Generally, the thickness of the separator is 5 to 300 m and the porosity is 30 to 80%.
- the present invention can be applied to batteries having any shape such as a sheet shape, a cylindrical shape, a flat shape, and a square shape.
- the positive and negative electrodes are stacked and wound via a separator to form a cylindrical or long cylindrical electrode group with an elliptical cross section.
- the battery is provided with a safety valve.
- the mixture was applied to both surfaces of a 10 m-thick aluminum foil as a positive electrode current collector at a thickness of 5 m or less, dried, and provided with a resistance layer.
- the positive electrode mixture L i C o 0 2 powder 1 0 0 parts by weight, and 3 parts by weight of acetylene black, fluororesin binder (polytetrafluoroethylene full O b ethylene) and 7 parts by weight, an appropriate amount of an aqueous solution of carboxymethyl cellulose was mixed and prepared.
- L i C O_ ⁇ 2 powder was mixed with L i 2 C_ ⁇ 3 and C o 3 ⁇ 4, was synthesized and calcined 1 0 hour at 9 0 0 ° C.
- the obtained positive electrode mixture is applied to both sides of a positive electrode current collector having a resistance layer, dried, and then rolled to obtain a positive electrode having a thickness of 0.17 mm, a width of 55 mm, and a length of 540 mm. Got the pole. An aluminum lead was attached to the positive electrode.
- the resistance value of the positive electrode having the obtained resistance layer rapidly increased near 120 ° C., which is the softening point of polyethylene, and was 100 times or more the resistance value at room temperature.
- Resistivity at 1 2 0 ° C of the positive electrode was 3. 0 X 1 0 7 ⁇ ⁇ cm.
- the negative electrode mixture was prepared by mixing 100 parts by weight of mesophase graphite, 5 parts by weight of styrene-butene rubber, and an aqueous solution of carboxymethyl cell mouth.
- the mesophase graphite was prepared by graphitizing mesophase spheres at 280 ° C.
- the non-aqueous electrolyte is 1 mol / liter in a mixed solvent containing ethylene carbonate and getyl carbonate in a volume ratio of 30:70.
- Battery case 1 having a diameter of 18.0 mm and a height of 65.0 mm was manufactured by processing a stainless steel plate.
- a positive electrode 5 and a negative electrode 6 are wound inside a battery case 1 through a polyethylene separator 7 having a thickness of 0.018 mm, a width of 58 mm, and a length of 1430 mm.
- An insulating ring 8 was provided on each of the upper and lower parts of the electrode group 4.
- the positive electrode 5 and the sealing plate 2 were connected with a positive electrode lead 5a, and the negative electrode 6 and the inner bottom surface of the battery case 1 were connected with a negative electrode lead 6a.
- the opening of the battery case 1 was filled with the above non-aqueous electrolyte and then sealed with a sealing plate 2 having a safety valve and an insulating packing 3 to obtain a battery 1.
- the capacity C of the battery 1 was 210 OmAh, and the ratio of the capacity C to the facing area A between the positive electrode and the negative electrode: CZA was 3.54 mAh / cm 2 .
- Example 2
- Non-aqueous electrolyte additives include 3-chloro-thiophene, furan, o-terphenyl, m-terphenyl, p-terphenyl, diphenyl ether, 2,3-benzofuran, bis (p-tolyl) ether, diaryl ether
- a cylindrical battery was produced in the same manner as in Example 1, except that arylbutyleether, 3-phenoxytoluene or cyclohexylbenzene was used. These were designated as batteries 2 to 13.
- the C / A values of batteries 2 to 13 were 3.54 mAh / cm 2 , as in battery 1.
- Nickel powder which is a conductive particulate matter
- polyethylene which has a softening point of 120 ° C, which is a binder polymer
- the mixture was applied to both surfaces of a 10 ⁇ m-thick copper foil as a negative electrode current collector at a thickness of 5 urn or less, dried, and provided with a resistance layer.
- Example 2 The same negative electrode mixture as used in Example 1 was applied to both sides of the obtained negative electrode current collector having a resistance layer, dried, and then rolled to a thickness of 0.16 6.mm,
- a negative electrode having a width of 56 mm and a length of 585 mm was obtained.
- the resistance value of the negative electrode having the obtained resistance layer rapidly increased near 120 ° C., which is the softening point of polyethylene, and was 100 times or more the resistance value at room temperature.
- Example 4 Using the obtained positive electrode and negative electrode, a battery 14 similar to the battery 1 of Example 1 was produced.
- the capacity C of the battery 14 was 210 O mAh, and the ratio of the capacity C to the facing area A between the positive electrode and the negative electrode: C / A was 3.54 mAhZc m 2 , Example 4
- a positive electrode having a thickness of 0.284 mm, a width of 55 mm, and a length of 330 mm was obtained.
- the length of the negative electrode current collector and the amount of the negative electrode mixture formed thereon were adjusted to obtain a negative electrode having a thickness of 0.26 mm, a width of 56 mm, and a length of 37.5 mm.
- the capacity C of the battery 16 was 218 O mAh, and the ratio of the capacity C to the facing area A between the positive electrode and the negative electrode: C / A was 6.01 mAh / cm 2 .
- a positive electrode having a thickness of 0.214 mm, a width of 55 mm, and a length of 400 mm was obtained.
- the length of the negative electrode current collector and the amount of the negative electrode mixture formed thereon were adjusted to obtain a negative electrode having a thickness of 0.20 mm, a width of 56 mm, and a length of 485 mm.
- a battery 1 ⁇ ⁇ was produced in the same manner as in Example 1, except that the positive electrode, the negative electrode, and a polyethylene separator having a thickness of 0.18 mm, a width of 58 mm, and a length of 123 Omm were used.
- the capacity C of battery 17 is 2140 mAh. Ri, the ratio of the opposing area A of the capacitor C, the positive electrode and the negative electrode: C / A was 4. 5 mAhZc m 2. Comparative Example 1
- Battery 19 was produced in the same manner as in Example 1, except that the positive electrode current collector was not provided with a resistance layer. Therefore, the battery 19 does not have a resistance layer on the positive electrode, but the nonaqueous electrolyte contains an additive. Comparative Example 3
- Example 4 Battery 20 similar to that of Example 1 was produced except that no additive was added to the nonaqueous electrolyte. Therefore, the battery 20 has the resistance layer on the positive electrode, but the non-aqueous electrolyte does not contain any additives. Comparative Example 4
- a battery 21 similar to the battery 19 of Comparative Example 2 was produced, except that a PTC element was provided in series on the outer surface of the battery case.
- Example 7
- a positive electrode having a thickness of 0.0158 mm, a width of 55 mm, and a length of 3040 mm was obtained. Obtained. Also, by adjusting the length of the negative electrode current collector and the amount of the negative electrode mixture formed thereon, a negative electrode having a thickness of 0.015 mm, a width of 56 mm, and a length of 3085 mm was obtained.
- Figure 2 shows the number of cells that generated abnormal heat.
- the batteries 1 to 13 of the present invention did not generate any abnormal heat at all the current values of 1 to 6 C. This is probably because the additive polymerized to form a film on the positive electrode surface, the reaction resistance increased, and heat was generated, and the resistance of the resistance layer provided on the electrode plate rapidly increased. The same effect was obtained in the battery 14 of Example 3 using the negative electrode having a positive temperature coefficient of resistance.
- the charge efficiency of the polymerization reaction of the additive and the trip temperature at which the resistance of the electrode plate having a positive temperature coefficient of resistance changes rapidly are closely related to the current density during charging.
- the effect of enhancing the safety of the present invention is, as shown by the results of the battery 15 of Example 4, the battery 16 of Example 5, and the battery 17 of Example 6, the capacity C of the battery and the positive electrode. It was confirmed that the ratio to the area A facing the negative electrode and A: CZA can be similarly secured in the range of 0.2 to 6.0 mAh / cm 2 . On the other hand, the ratio of the discharge capacity at the time of 2 C discharge to the discharge capacity at the time of 0.2 C discharge is 25% for battery 16 with a C / A value of 6.0 mA cm 2 , and the C / A value However, for the battery 17 of 4.5 mA hZ cm 2 , the difference was 70%, which was greatly different. From this, it can be said that it is more desirable that the C / A value be 4.5 mAh / cm 2 or less from the viewpoint of the efficiency discharge characteristics.
- CZA is desirably 6. OmAh / cm 2 or less.
- the C / A value is desirably 0.2 mA hZ cm 2 or more.
- the present invention it is possible to provide a battery exhibiting high safety against overcharging in a wide current range by an interaction between an additive added to a nonaqueous electrolyte and an electrode plate having a positive temperature coefficient of resistance. it can.
- non-aqueous electrolyte secondary batteries highly secure mobile phones and personal digital assistants.
- Equipment such as camcorders, personal computers, PDAs, portable audio equipment, electric vehicles, and power supplies for road leveling are provided. can do.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Electrode And Active Subsutance (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01272801.0A EP1256995B1 (en) | 2000-12-28 | 2001-12-05 | Nonaqueous electrolytic secondary battery |
US10/203,237 US7201994B2 (en) | 2000-12-28 | 2001-12-05 | Non-aqueous electrolyte secondary battery |
JP2002554909A JP4196373B2 (ja) | 2000-12-28 | 2001-12-05 | 非水電解質二次電池 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000-402935 | 2000-12-28 | ||
JP2000402935 | 2000-12-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002054524A1 true WO2002054524A1 (fr) | 2002-07-11 |
Family
ID=18867139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/010655 WO2002054524A1 (fr) | 2000-12-28 | 2001-12-05 | Accumulateur electrolytique non aqueux |
Country Status (7)
Country | Link |
---|---|
US (1) | US7201994B2 (ja) |
EP (1) | EP1256995B1 (ja) |
JP (1) | JP4196373B2 (ja) |
KR (1) | KR100470287B1 (ja) |
CN (1) | CN1209845C (ja) |
TW (1) | TW529201B (ja) |
WO (1) | WO2002054524A1 (ja) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004063233A (ja) * | 2002-07-29 | 2004-02-26 | Mitsubishi Chemicals Corp | 二次電池及び過充電防止方法 |
JP2004119199A (ja) * | 2002-09-26 | 2004-04-15 | Japan Storage Battery Co Ltd | 非水電解質二次電池 |
KR100482816B1 (ko) * | 2002-09-12 | 2005-04-14 | 주식회사 엘지화학 | 비수전해액을 이용한 리튬 이차 전지 |
KR100793605B1 (ko) | 2005-11-11 | 2008-01-10 | 주식회사 엘지화학 | 폴리 인덴-코-쿠마론을 함유하는 양극활물질 조성물 및이를 이용한 리튬 이차 전지 |
KR100836772B1 (ko) | 2006-07-03 | 2008-06-10 | 주식회사 엘지화학 | 개선된 과충전 방지 특성의 이차전지용 전해액과 그를포함하는 이차전지 |
WO2008139578A1 (ja) * | 2007-05-09 | 2008-11-20 | Panasonic Corporation | 非水電解質二次電池 |
US7553588B2 (en) | 2003-03-13 | 2009-06-30 | Samsung Sdi Co., Ltd. | Non-aqueous electrolyte and a lithium secondary battery comprising the same |
JP2011138693A (ja) * | 2009-12-28 | 2011-07-14 | Sharp Corp | 非水電解質二次電池及び非水電解質二次電池用の電極 |
JP2011233351A (ja) * | 2010-04-27 | 2011-11-17 | Hitachi Ltd | 非水電解液及びそれを用いた非水電解液二次電池 |
US8142936B2 (en) | 2004-02-10 | 2012-03-27 | Lg Chem, Ltd. | Non-aqueous electrolyte and lithium secondary battery using the same |
WO2014157405A1 (ja) | 2013-03-29 | 2014-10-02 | 株式会社Uacj | 集電体、電極構造体、電池およびキャパシタ |
WO2015046469A1 (ja) * | 2013-09-30 | 2015-04-02 | 日立化成株式会社 | リチウムイオン二次電池用正極及びそれを用いたリチウムイオン二次電池 |
JP5939346B1 (ja) * | 2015-03-30 | 2016-06-22 | 東洋インキScホールディングス株式会社 | 導電性組成物、非水電解質二次電池用下地付き集電体、非水電解質二次電池用電極、及び非水電解質二次電池 |
JP2017523756A (ja) * | 2014-07-28 | 2017-08-17 | イーシー パワー,エルエルシー | 電池を低温で高速充電するためのシステムおよび方法 |
JP2017168302A (ja) * | 2016-03-16 | 2017-09-21 | 株式会社Gsユアサ | 蓄電素子 |
WO2019021891A1 (ja) * | 2017-07-28 | 2019-01-31 | 日本ゼオン株式会社 | 電気化学素子用電極および電気化学素子、並びに電気化学素子用電極の製造方法 |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7968235B2 (en) * | 2003-07-17 | 2011-06-28 | Uchicago Argonne Llc | Long life lithium batteries with stabilized electrodes |
US7462425B2 (en) | 2003-09-26 | 2008-12-09 | Kabushiki Kaisha Toshiba | Nonaqueous electrolyte secondary battery and battery module |
US7785740B2 (en) | 2004-04-09 | 2010-08-31 | Air Products And Chemicals, Inc. | Overcharge protection for electrochemical cells |
US9012096B2 (en) * | 2004-05-28 | 2015-04-21 | Uchicago Argonne, Llc | Long life lithium batteries with stabilized electrodes |
KR100858415B1 (ko) * | 2004-12-02 | 2008-09-11 | 주식회사 엘지화학 | 양극 전압에서 안정한 금속이 피복되어 있는 양극 집전체및 그것을 포함하는 리튬 이차전지 |
JP2008532248A (ja) * | 2005-03-02 | 2008-08-14 | ウチカゴ アルゴン、エルエルシー | リチウム電池の過充電防止のための新規なレドックス移動材 |
US8062792B2 (en) * | 2005-04-26 | 2011-11-22 | Uchicago Argonne Llc | Processes for making dense, spherical active materials for lithium-ion cells |
WO2007013375A1 (ja) * | 2005-07-28 | 2007-02-01 | Matsushita Electric Industrial Co., Ltd. | リチウムイオン二次電池用電極 |
DE102005045032A1 (de) * | 2005-09-16 | 2007-03-22 | Varta Microbattery Gmbh | Galvanisches Element mit Sicherheitseinrichtung |
JP5076464B2 (ja) * | 2005-12-12 | 2012-11-21 | Tdk株式会社 | リチウムイオン二次電池 |
US7968231B2 (en) * | 2005-12-23 | 2011-06-28 | U Chicago Argonne, Llc | Electrode materials and lithium battery systems |
TWI270994B (en) | 2005-12-29 | 2007-01-11 | Ind Tech Res Inst | High rate capability design of lithium ion secondary battery |
CN100502127C (zh) * | 2006-01-26 | 2009-06-17 | 财团法人工业技术研究院 | 具有大电流放电能力的锂离子二次电池 |
US8367253B2 (en) * | 2006-02-02 | 2013-02-05 | U Chicago Argonne Llc | Lithium-ion batteries with intrinsic pulse overcharge protection |
EP1835560B1 (en) * | 2006-03-13 | 2013-09-11 | Industrial Technology Research Institute | High rate capability design of lithium ion secondary battery |
KR101340030B1 (ko) * | 2007-03-22 | 2013-12-10 | 삼성에스디아이 주식회사 | 리튬 이차전지의 전해액 및 이를 이용한 리튬 이차전지 |
JP2008243708A (ja) * | 2007-03-28 | 2008-10-09 | Matsushita Electric Ind Co Ltd | 非水電解質二次電池および非水電解質二次電池の製造方法 |
JP4943242B2 (ja) * | 2007-06-20 | 2012-05-30 | ソニー株式会社 | リチウムイオン二次電池 |
CN103594728B (zh) * | 2007-09-12 | 2017-01-11 | 株式会社Lg化学 | 非水性电解质锂二次电池 |
US8187752B2 (en) * | 2008-04-16 | 2012-05-29 | Envia Systems, Inc. | High energy lithium ion secondary batteries |
US8277683B2 (en) * | 2008-05-30 | 2012-10-02 | Uchicago Argonne, Llc | Nano-sized structured layered positive electrode materials to enable high energy density and high rate capability lithium batteries |
US8389160B2 (en) * | 2008-10-07 | 2013-03-05 | Envia Systems, Inc. | Positive electrode materials for lithium ion batteries having a high specific discharge capacity and processes for the synthesis of these materials |
US8465873B2 (en) * | 2008-12-11 | 2013-06-18 | Envia Systems, Inc. | Positive electrode materials for high discharge capacity lithium ion batteries |
US20100255353A1 (en) * | 2008-12-15 | 2010-10-07 | Mcdonald Robert C | Thermal switch material suitable for use in controlling short circuits in lithium-ion batteries and method of making the thermal switch material |
US10056644B2 (en) * | 2009-07-24 | 2018-08-21 | Zenlabs Energy, Inc. | Lithium ion batteries with long cycling performance |
US20110094556A1 (en) * | 2009-10-25 | 2011-04-28 | Digital Angel Corporation | Planar thermoelectric generator |
US9843041B2 (en) * | 2009-11-11 | 2017-12-12 | Zenlabs Energy, Inc. | Coated positive electrode materials for lithium ion batteries |
US8993177B2 (en) * | 2009-12-04 | 2015-03-31 | Envia Systems, Inc. | Lithium ion battery with high voltage electrolytes and additives |
US8765306B2 (en) * | 2010-03-26 | 2014-07-01 | Envia Systems, Inc. | High voltage battery formation protocols and control of charging and discharging for desirable long term cycling performance |
US8741484B2 (en) | 2010-04-02 | 2014-06-03 | Envia Systems, Inc. | Doped positive electrode active materials and lithium ion secondary battery constructed therefrom |
US9083062B2 (en) | 2010-08-02 | 2015-07-14 | Envia Systems, Inc. | Battery packs for vehicles and high capacity pouch secondary batteries for incorporation into compact battery packs |
US9166222B2 (en) | 2010-11-02 | 2015-10-20 | Envia Systems, Inc. | Lithium ion batteries with supplemental lithium |
CN102208678A (zh) * | 2011-04-19 | 2011-10-05 | 中南大学 | 一种安全型锂离子电池 |
US9159990B2 (en) | 2011-08-19 | 2015-10-13 | Envia Systems, Inc. | High capacity lithium ion battery formation protocol and corresponding batteries |
US9780358B2 (en) | 2012-05-04 | 2017-10-03 | Zenlabs Energy, Inc. | Battery designs with high capacity anode materials and cathode materials |
US10553871B2 (en) | 2012-05-04 | 2020-02-04 | Zenlabs Energy, Inc. | Battery cell engineering and design to reach high energy |
JP5776663B2 (ja) * | 2012-10-16 | 2015-09-09 | トヨタ自動車株式会社 | 非水電解液二次電池 |
JP6124399B2 (ja) * | 2013-02-26 | 2017-05-10 | セイコーインスツル株式会社 | 非水電解質二次電池 |
WO2015024004A1 (en) | 2013-08-16 | 2015-02-19 | Envia Systems, Inc. | Lithium ion batteries with high capacity anode active material and good cycling for consumer electronics |
US9502708B2 (en) | 2013-10-11 | 2016-11-22 | Ec Power, Llc | Ohmically modulated battery |
US10033071B2 (en) | 2013-10-11 | 2018-07-24 | Ec Power, Llc | Ohmically modulated battery |
US9882197B2 (en) * | 2013-10-11 | 2018-01-30 | Ec Power, Llc | All climate battery and manufacturing and using the same |
CN105703010B (zh) * | 2014-11-28 | 2018-01-12 | 宁德时代新能源科技股份有限公司 | 电极片及电化学储能装置 |
CN104733781A (zh) * | 2015-03-27 | 2015-06-24 | 山东海容电源材料有限公司 | 一种4.4v高电压钴酸锂型锂电池电解质溶液 |
WO2018012224A1 (ja) | 2016-07-11 | 2018-01-18 | パナソニックIpマネジメント株式会社 | 電池モジュール |
US11094925B2 (en) | 2017-12-22 | 2021-08-17 | Zenlabs Energy, Inc. | Electrodes with silicon oxide active materials for lithium ion cells achieving high capacity, high energy density and long cycle life performance |
DE102018120029B4 (de) * | 2018-08-17 | 2024-12-05 | Volkswagen Aktiengesellschaft | Verfahren zur Erhöhung einer Sicherheit beim Betreiben einer Batteriezelle sowie Batteriezelle |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06231749A (ja) * | 1993-02-08 | 1994-08-19 | Japan Storage Battery Co Ltd | 蓄電素子 |
JPH10188945A (ja) * | 1996-12-20 | 1998-07-21 | Ngk Insulators Ltd | リチウム二次電池 |
JPH10321258A (ja) * | 1997-05-16 | 1998-12-04 | Nec Molienerg Canada Ltd | 非水系の再充電可能なリチウム電池 |
EP0895297A1 (en) * | 1997-07-29 | 1999-02-03 | Ngk Insulators, Ltd. | Lithium secondary battery |
US5879834A (en) * | 1995-08-23 | 1999-03-09 | Nec Moli Energy (Canada) Ltd. | Polymerizable aromatic additives for overcharge protection in non-aqueous rechargeable lithium batteries |
JP2939469B1 (ja) * | 1998-07-31 | 1999-08-25 | 三洋電機株式会社 | 非水系電池用電解液およびこの電解液を用いた二次電池 |
JP2001035537A (ja) * | 1998-07-10 | 2001-02-09 | Hitachi Maxell Ltd | 非水二次電池 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59144877U (ja) * | 1983-03-18 | 1984-09-27 | 日立マクセル株式会社 | 密閉形電池 |
EP0319182B1 (en) | 1987-11-30 | 1993-09-29 | EIC Laboratories, Inc. | Overcharge protection of secondary, non-aqueous batteries |
JPH02109259A (ja) * | 1988-10-17 | 1990-04-20 | Hitachi Maxell Ltd | 薄形有機電解液電池用の正極の製造方法 |
CA2000873C (en) * | 1988-10-21 | 1999-12-14 | Shigeru Oishi | Cell having current cutoff valve |
JPH047801A (ja) * | 1990-04-25 | 1992-01-13 | Daito Tsushinki Kk | Ptc素子 |
JPH0458455A (ja) * | 1990-06-25 | 1992-02-25 | Yuasa Corp | リチウム電池 |
JP3259436B2 (ja) | 1993-05-31 | 2002-02-25 | ソニー株式会社 | 非水電解液二次電池 |
JP3809657B2 (ja) | 1994-03-07 | 2006-08-16 | ソニー株式会社 | 非水電解液二次電池 |
WO1996036057A1 (en) * | 1995-05-10 | 1996-11-14 | Littelfuse, Inc. | Ptc circuit protection device and manufacturing process for same |
JP3669024B2 (ja) | 1995-05-26 | 2005-07-06 | ソニー株式会社 | 非水電解液二次電池 |
CA2163187C (en) | 1995-11-17 | 2003-04-15 | Huanyu Mao | Aromatic monomer gassing agents for protecting non-aqueous lithium batteries against overcharge |
US5783326A (en) * | 1996-03-14 | 1998-07-21 | Kabushiki Kaisha Toshiba | Nonaqueous electrolyte secondary battery |
JP3669064B2 (ja) | 1996-08-01 | 2005-07-06 | ソニー株式会社 | 非水電解質二次電池 |
JPH1050294A (ja) * | 1996-08-05 | 1998-02-20 | Sumitomo Bakelite Co Ltd | 熱敏感性抵抗体層付き蓄電素子 |
JPH10125353A (ja) | 1996-10-17 | 1998-05-15 | Fuji Elelctrochem Co Ltd | スパイラル形非水電解液電池 |
JP3765094B2 (ja) * | 1996-12-28 | 2006-04-12 | 株式会社ジーエス・ユアサコーポレーション | 非水電解液電池 |
JPH10241655A (ja) | 1997-02-27 | 1998-09-11 | Asahi Chem Ind Co Ltd | 電 池 |
CA2205683C (en) * | 1997-05-16 | 2001-05-15 | Moli Energy (1990) Limited | Polymerizable additives for making non-aqueous rechargeable lithium batteries safe after overcharge |
CA2216898C (en) * | 1997-09-26 | 2005-03-22 | Moli Energy (1990) Limited | Improved additives for overcharge protection in non-aqueous rechargeable lithium batteries |
CN1338130A (zh) | 1998-06-08 | 2002-02-27 | 摩尔科技公司 | 用于非水电化学电池安全保护的多官能活性单体 |
JP2983205B1 (ja) | 1998-07-31 | 1999-11-29 | 三洋電機株式会社 | 非水系二次電池 |
JP4695748B2 (ja) * | 2000-10-12 | 2011-06-08 | パナソニック株式会社 | 非水系電池用電解液および非水系二次電池 |
-
2001
- 2001-12-05 CN CNB01805661XA patent/CN1209845C/zh not_active Expired - Lifetime
- 2001-12-05 EP EP01272801.0A patent/EP1256995B1/en not_active Expired - Lifetime
- 2001-12-05 WO PCT/JP2001/010655 patent/WO2002054524A1/ja active IP Right Grant
- 2001-12-05 US US10/203,237 patent/US7201994B2/en not_active Expired - Fee Related
- 2001-12-05 KR KR10-2002-7010527A patent/KR100470287B1/ko not_active Expired - Lifetime
- 2001-12-05 JP JP2002554909A patent/JP4196373B2/ja not_active Expired - Fee Related
- 2001-12-06 TW TW090130216A patent/TW529201B/zh active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06231749A (ja) * | 1993-02-08 | 1994-08-19 | Japan Storage Battery Co Ltd | 蓄電素子 |
US5879834A (en) * | 1995-08-23 | 1999-03-09 | Nec Moli Energy (Canada) Ltd. | Polymerizable aromatic additives for overcharge protection in non-aqueous rechargeable lithium batteries |
JPH10188945A (ja) * | 1996-12-20 | 1998-07-21 | Ngk Insulators Ltd | リチウム二次電池 |
JPH10321258A (ja) * | 1997-05-16 | 1998-12-04 | Nec Molienerg Canada Ltd | 非水系の再充電可能なリチウム電池 |
EP0895297A1 (en) * | 1997-07-29 | 1999-02-03 | Ngk Insulators, Ltd. | Lithium secondary battery |
JP2001035537A (ja) * | 1998-07-10 | 2001-02-09 | Hitachi Maxell Ltd | 非水二次電池 |
JP2939469B1 (ja) * | 1998-07-31 | 1999-08-25 | 三洋電機株式会社 | 非水系電池用電解液およびこの電解液を用いた二次電池 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1256995A4 * |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004063233A (ja) * | 2002-07-29 | 2004-02-26 | Mitsubishi Chemicals Corp | 二次電池及び過充電防止方法 |
JP4501331B2 (ja) * | 2002-07-29 | 2010-07-14 | 三菱化学株式会社 | 二次電池及び過充電防止方法 |
KR100482816B1 (ko) * | 2002-09-12 | 2005-04-14 | 주식회사 엘지화학 | 비수전해액을 이용한 리튬 이차 전지 |
JP2004119199A (ja) * | 2002-09-26 | 2004-04-15 | Japan Storage Battery Co Ltd | 非水電解質二次電池 |
US7553588B2 (en) | 2003-03-13 | 2009-06-30 | Samsung Sdi Co., Ltd. | Non-aqueous electrolyte and a lithium secondary battery comprising the same |
US8142936B2 (en) | 2004-02-10 | 2012-03-27 | Lg Chem, Ltd. | Non-aqueous electrolyte and lithium secondary battery using the same |
KR100793605B1 (ko) | 2005-11-11 | 2008-01-10 | 주식회사 엘지화학 | 폴리 인덴-코-쿠마론을 함유하는 양극활물질 조성물 및이를 이용한 리튬 이차 전지 |
KR100836772B1 (ko) | 2006-07-03 | 2008-06-10 | 주식회사 엘지화학 | 개선된 과충전 방지 특성의 이차전지용 전해액과 그를포함하는 이차전지 |
WO2008139578A1 (ja) * | 2007-05-09 | 2008-11-20 | Panasonic Corporation | 非水電解質二次電池 |
JP2011138693A (ja) * | 2009-12-28 | 2011-07-14 | Sharp Corp | 非水電解質二次電池及び非水電解質二次電池用の電極 |
JP2011233351A (ja) * | 2010-04-27 | 2011-11-17 | Hitachi Ltd | 非水電解液及びそれを用いた非水電解液二次電池 |
WO2014157405A1 (ja) | 2013-03-29 | 2014-10-02 | 株式会社Uacj | 集電体、電極構造体、電池およびキャパシタ |
JPWO2015046469A1 (ja) * | 2013-09-30 | 2017-03-09 | 日立化成株式会社 | リチウムイオン二次電池用正極及びそれを用いたリチウムイオン二次電池 |
WO2015046469A1 (ja) * | 2013-09-30 | 2015-04-02 | 日立化成株式会社 | リチウムイオン二次電池用正極及びそれを用いたリチウムイオン二次電池 |
US10573875B2 (en) | 2013-09-30 | 2020-02-25 | Hitachi Chemical Company, Ltd. | Cathode for lithium ion secondary battery and lithium ion secondary battery using the same |
JP2017523756A (ja) * | 2014-07-28 | 2017-08-17 | イーシー パワー,エルエルシー | 電池を低温で高速充電するためのシステムおよび方法 |
JP5939346B1 (ja) * | 2015-03-30 | 2016-06-22 | 東洋インキScホールディングス株式会社 | 導電性組成物、非水電解質二次電池用下地付き集電体、非水電解質二次電池用電極、及び非水電解質二次電池 |
JP2016191037A (ja) * | 2015-03-30 | 2016-11-10 | 東洋インキScホールディングス株式会社 | 導電性組成物、非水電解質二次電池用下地付き集電体、非水電解質二次電池用電極、及び非水電解質二次電池 |
JP2017168302A (ja) * | 2016-03-16 | 2017-09-21 | 株式会社Gsユアサ | 蓄電素子 |
WO2019021891A1 (ja) * | 2017-07-28 | 2019-01-31 | 日本ゼオン株式会社 | 電気化学素子用電極および電気化学素子、並びに電気化学素子用電極の製造方法 |
JPWO2019021891A1 (ja) * | 2017-07-28 | 2020-06-11 | 日本ゼオン株式会社 | 電気化学素子用電極および電気化学素子、並びに電気化学素子用電極の製造方法 |
JP7111100B2 (ja) | 2017-07-28 | 2022-08-02 | 日本ゼオン株式会社 | 電気化学素子用電極および電気化学素子、並びに電気化学素子用電極の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US7201994B2 (en) | 2007-04-10 |
KR100470287B1 (ko) | 2005-02-05 |
TW529201B (en) | 2003-04-21 |
CN1406401A (zh) | 2003-03-26 |
JPWO2002054524A1 (ja) | 2004-05-13 |
KR20020077445A (ko) | 2002-10-11 |
US20030091892A1 (en) | 2003-05-15 |
JP4196373B2 (ja) | 2008-12-17 |
EP1256995A4 (en) | 2004-07-28 |
CN1209845C (zh) | 2005-07-06 |
EP1256995A1 (en) | 2002-11-13 |
EP1256995B1 (en) | 2016-08-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2002054524A1 (fr) | Accumulateur electrolytique non aqueux | |
JP4411691B2 (ja) | 非水電解液二次電池および非水電解液二次電池の充電制御システムおよびこれを用いた機器 | |
JP5195499B2 (ja) | 非水電解質二次電池 | |
JP4695748B2 (ja) | 非水系電池用電解液および非水系二次電池 | |
US11688857B2 (en) | Anti-corrosion for battery current collector | |
US5851504A (en) | Carbon based electrodes | |
JP2002110237A (ja) | リチウム−硫黄電池用正極活物質組成物、その製造方法及びリチウム−硫黄電池 | |
US7241534B2 (en) | Lithium polymer secondary cell | |
JP2005339970A (ja) | 正極活物質および非水電解質二次電池 | |
JP4050251B2 (ja) | 有機電解液及びこれを採用したリチウム電池 | |
JP2014127242A (ja) | リチウム二次電池 | |
CN105406122A (zh) | 二次电池 | |
JP3885227B2 (ja) | 非水系二次電池 | |
JP5177211B2 (ja) | 負極活物質、負極および電池 | |
KR101356393B1 (ko) | 리튬-황 전지용 양극 및 이를 포함하는 리튬-황 전지 | |
JP4989985B2 (ja) | 電池 | |
JP5082198B2 (ja) | リチウムイオン二次電池 | |
JP4797577B2 (ja) | 電池 | |
JP2002093463A (ja) | 非水電解質電池 | |
JP2000208167A (ja) | 非水電解質二次電池 | |
JPH08241733A (ja) | リチウム二次電池 | |
JP2002056895A (ja) | 非水電解質電池 | |
JP2001283858A (ja) | 非水電解質二次電池 | |
JPH07201360A (ja) | 非水電解液二次電池 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENP | Entry into the national phase |
Ref document number: 2002 554909 Country of ref document: JP Kind code of ref document: A |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): CN JP KR US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR |
|
REEP | Request for entry into the european phase |
Ref document number: 2001272801 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2001272801 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10203237 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020027010527 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 01805661X Country of ref document: CN |
|
WWP | Wipo information: published in national office |
Ref document number: 1020027010527 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 2001272801 Country of ref document: EP |
|
WWG | Wipo information: grant in national office |
Ref document number: 1020027010527 Country of ref document: KR |