KR102391532B1 - 리튬 이차 전지용 전해질 - Google Patents
리튬 이차 전지용 전해질 Download PDFInfo
- Publication number
- KR102391532B1 KR102391532B1 KR1020180095549A KR20180095549A KR102391532B1 KR 102391532 B1 KR102391532 B1 KR 102391532B1 KR 1020180095549 A KR1020180095549 A KR 1020180095549A KR 20180095549 A KR20180095549 A KR 20180095549A KR 102391532 B1 KR102391532 B1 KR 102391532B1
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- KR
- South Korea
- Prior art keywords
- electrolyte
- secondary battery
- lithium secondary
- formula
- integer
- Prior art date
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 136
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 134
- 239000003792 electrolyte Substances 0.000 title claims abstract description 93
- 239000000203 mixture Substances 0.000 claims abstract description 32
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 31
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 31
- 239000003960 organic solvent Substances 0.000 claims abstract description 13
- 239000005518 polymer electrolyte Substances 0.000 claims description 31
- 125000004432 carbon atom Chemical group C* 0.000 claims description 30
- -1 halogenated benzene compound Chemical class 0.000 claims description 30
- 229910052731 fluorine Inorganic materials 0.000 claims description 28
- 239000000126 substance Substances 0.000 claims description 27
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 25
- 239000011737 fluorine Substances 0.000 claims description 25
- 239000011244 liquid electrolyte Substances 0.000 claims description 24
- 125000001931 aliphatic group Chemical group 0.000 claims description 15
- 125000000217 alkyl group Chemical group 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 125000002029 aromatic hydrocarbon group Chemical group 0.000 claims description 11
- 239000003505 polymerization initiator Substances 0.000 claims description 10
- 125000002947 alkylene group Chemical group 0.000 claims description 9
- 239000001257 hydrogen Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052794 bromium Inorganic materials 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 description 77
- 229910001416 lithium ion Inorganic materials 0.000 description 22
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 20
- 239000002904 solvent Substances 0.000 description 19
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 14
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- 239000007774 positive electrode material Substances 0.000 description 12
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- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 8
- 238000001879 gelation Methods 0.000 description 8
- 150000002430 hydrocarbons Chemical group 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
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- 125000002723 alicyclic group Chemical group 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 6
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- 150000004706 metal oxides Chemical class 0.000 description 6
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- 239000010936 titanium Substances 0.000 description 6
- 229910052719 titanium Inorganic materials 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- 239000011572 manganese Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
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- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 4
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- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 4
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- 125000005587 carbonate group Chemical group 0.000 description 4
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- 229920001577 copolymer Polymers 0.000 description 4
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 4
- 239000011883 electrode binding agent Substances 0.000 description 4
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 4
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- FSSPGSAQUIYDCN-UHFFFAOYSA-N 1,3-Propane sultone Chemical compound O=S1(=O)CCCO1 FSSPGSAQUIYDCN-UHFFFAOYSA-N 0.000 description 2
- AVTLBBWTUPQRAY-UHFFFAOYSA-N 2-(2-cyanobutan-2-yldiazenyl)-2-methylbutanenitrile Chemical compound CCC(C)(C#N)N=NC(C)(CC)C#N AVTLBBWTUPQRAY-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
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- 229910004437 Li(Ni0.8Mn0.1Co0.1)O2 Inorganic materials 0.000 description 2
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 2
- 229910015645 LiMn Inorganic materials 0.000 description 2
- 229910014689 LiMnO Inorganic materials 0.000 description 2
- 229910013716 LiNi Inorganic materials 0.000 description 2
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
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- 125000003118 aryl group Chemical group 0.000 description 2
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- QARVLSVVCXYDNA-UHFFFAOYSA-N bromobenzene Chemical compound BrC1=CC=CC=C1 QARVLSVVCXYDNA-UHFFFAOYSA-N 0.000 description 2
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- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
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- 238000009831 deintercalation Methods 0.000 description 2
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- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 2
- JBFHTYHTHYHCDJ-UHFFFAOYSA-N gamma-caprolactone Chemical compound CCC1CCC(=O)O1 JBFHTYHTHYHCDJ-UHFFFAOYSA-N 0.000 description 2
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- VGYDTVNNDKLMHX-UHFFFAOYSA-N lithium;manganese;nickel;oxocobalt Chemical compound [Li].[Mn].[Ni].[Co]=O VGYDTVNNDKLMHX-UHFFFAOYSA-N 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
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- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000006231 channel black Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- CKFRRHLHAJZIIN-UHFFFAOYSA-N cobalt lithium Chemical compound [Li].[Co] CKFRRHLHAJZIIN-UHFFFAOYSA-N 0.000 description 1
- YQHLDYVWEZKEOX-UHFFFAOYSA-N cumene hydroperoxide Chemical compound OOC(C)(C)C1=CC=CC=C1 YQHLDYVWEZKEOX-UHFFFAOYSA-N 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 1
- 229940117389 dichlorobenzene Drugs 0.000 description 1
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- VUPKGFBOKBGHFZ-UHFFFAOYSA-N dipropyl carbonate Chemical compound CCCOC(=O)OCCC VUPKGFBOKBGHFZ-UHFFFAOYSA-N 0.000 description 1
- POLCUAVZOMRGSN-UHFFFAOYSA-N dipropyl ether Chemical compound CCCOCCC POLCUAVZOMRGSN-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229940093499 ethyl acetate Drugs 0.000 description 1
- QKBJDEGZZJWPJA-UHFFFAOYSA-N ethyl propyl carbonate Chemical compound [CH2]COC(=O)OCCC QKBJDEGZZJWPJA-UHFFFAOYSA-N 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000006232 furnace black Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 150000002432 hydroperoxides Chemical class 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- 238000002847 impedance measurement Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000006233 lamp black Substances 0.000 description 1
- FRMOHNDAXZZWQI-UHFFFAOYSA-N lithium manganese(2+) nickel(2+) oxygen(2-) Chemical compound [O-2].[Mn+2].[Ni+2].[Li+] FRMOHNDAXZZWQI-UHFFFAOYSA-N 0.000 description 1
- RSNHXDVSISOZOB-UHFFFAOYSA-N lithium nickel Chemical compound [Li].[Ni] RSNHXDVSISOZOB-UHFFFAOYSA-N 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- VNKYTQGIUYNRMY-UHFFFAOYSA-N methoxypropane Chemical compound CCCOC VNKYTQGIUYNRMY-UHFFFAOYSA-N 0.000 description 1
- ZQMHJBXHRFJKOT-UHFFFAOYSA-N methyl 2-[(1-methoxy-2-methyl-1-oxopropan-2-yl)diazenyl]-2-methylpropanoate Chemical compound COC(=O)C(C)(C)N=NC(C)(C)C(=O)OC ZQMHJBXHRFJKOT-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
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- PYLWMHQQBFSUBP-UHFFFAOYSA-N monofluorobenzene Chemical compound FC1=CC=CC=C1 PYLWMHQQBFSUBP-UHFFFAOYSA-N 0.000 description 1
- YKYONYBAUNKHLG-UHFFFAOYSA-N n-Propyl acetate Natural products CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 description 1
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- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229940090181 propyl acetate Drugs 0.000 description 1
- 229920001384 propylene homopolymer Polymers 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 238000007614 solvation Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
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- 229920005608 sulfonated EPDM Polymers 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
- 239000006234 thermal black Substances 0.000 description 1
- 238000001029 thermal curing Methods 0.000 description 1
- 238000012719 thermal polymerization Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 235000015041 whisky Nutrition 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
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- 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
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- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- 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
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Abstract
Description
표면 장력(mN/m) | |
실시예 1 | 25.7 |
실시예 2 | 22.5 |
비교예 1 | 30.8 |
비교예 2 | 측정 불가 |
비교예 3 | 25.5 |
비교예 4 | 34 |
비교예 5 | 20.1 |
비교예 6 | 31.9 |
상온 이온 전도도(25℃, mS/cm) | 저온 이온 전도도(0℃, mS/cm) | |
실시예 1 | 11.5 | 7.2 |
실시예 2 | 10.1 | 6.9 |
실시예 3 | 9.5 | 6.3 |
실시예 4 | 9.3 | 6.2 |
비교예 1 | 8.7 | 3.9 |
비교예 2 | 측정 불가 | 측정 불가 |
비교예 3 | 7.6 | 측정 불가 |
비교예 4 | 10 | 5.2 |
비교예 5 | 10.4 | 5.9 |
비교예 6 | 11.2 | 6.5 |
비교예 7 | 9.2 | 5.9 |
비교예 8 | 9.0 | 6.1 |
초기 용량(Ah) | 초기 저항(Ohm) | |
실시예 1 | 2.02 | 38 |
실시예 2 | 2.01 | 40 |
실시예 3 | 2.02 | 44 |
실시예 4 | 2.01 | 45 |
비교예 1 | 1.99 | 42 |
비교예 2 | 측정 불가 | 측정 불가 |
비교예 3 | 측정 불가 | 측정 불가 |
비교예 4 | 1.96 | 48 |
비교예 5 | 1.95 | 52 |
비교예 6 | 1.94 | 55 |
비교예 7 | 1.92 | 51 |
비교예 8 | 1.93 | 49 |
상온 용량 유지율(%) | |
실시예 1 | 92 |
실시예 2 | 92 |
실시예 3 | 94 |
실시예 4 | 93 |
비교예 1 | 88 |
비교예 2 | 측정 불가 |
비교예 3 | 측정 불가 |
비교예 4 | 87 |
비교예 5 | 89 |
비교예 6 | 89 |
비교예 7 | 90 |
비교예 8 | 92 |
발화 여부 | 발화 시작 시간(분) | |
실시예 1 | Х | |
실시예 2 | Х | |
실시예 3 | Х | |
실시예 4 | Х | |
비교예 1 | ○ | 10< |
비교예 2 | 측정 불가 | 측정 불가 |
비교예 3 | 측정 불가 | 측정 불가 |
비교예 4 | ○ | 60 |
비교예 5 | Х | |
비교예 6 | Х | |
비교예 7 | Х | |
비교예 8 | ○ | 90 |
SET value(sec) | |
실시예 1 | 10< |
실시예 2 | 10< |
실시예 3 | 10< |
실시예 4 | 10< |
비교예 1 | 100 |
비교예 2 | 측정 불가 |
비교예 3 | 20~30 |
비교예 4 | 10~20 |
비교예 5 | 10< |
비교예 6 | 10< |
비교예 7 | 10< |
비교예 8 | 10< |
Pre-gelation (%) | |
실시예 3 | 10< |
실시예 4 | 10< |
비교예 7 | 10< |
비교예 8 | 40 |
Claims (15)
하기 화학식 1a 또는 화학식 1b로 표시되는 제1 올리고머 및 하기 화학식 2로 표시되는 단위를 포함하는 제2올리고머를 포함하는 올리고머 혼합물; 및
유기 용매를 포함하는 리튬 이차 전지용 전해질:
[화학식 1a]
상기 화학식 1a에서,
상기 Ra, Rb, Rc 및 Rd는 각각 독립적으로 불소 원소 또는 불소 원소로 치환 또는 비치환된 탄소수 1 내지 3의 알킬기이고,
상기 Re는 지방족 탄화수소기 또는 방향족 탄화수소기고,
상기 Rf는 불소 원소로 치환 또는 비치환된 탄소수 1 내지 5의 알킬렌기이고,
상기 R'는 수소 또는 탄소수 1 내지 3의 알킬기이며,
상기 o는 1 내지 3인 정수이고,
상기 p는 1 내지 50인 정수이고,
상기 q는 1 내지 15인 정수이다.
[화학식 1b]
상기 화학식 1b에 있어서,
상기 Ra, Rb, Rc 및 Rd는 각각 독립적으로 불소 원소 또는 불소 원소로 치환 또는 비치환된 탄소수 1 내지 3의 알킬기이고,
상기 Re는 지방족 탄화수소기 또는 방향족 탄화수소기고,
상기 Rf는 불소 원소로 치환 또는 비치환된 탄소수 1 내지 5의 알킬렌기이고,
상기 o'는 1 내지 2인 정수이고,
상기 o"는 1 내지 3인 정수이고,
상기 p는 1 내지 50인 정수이고,
상기 q는 1 내지 15인 정수이다.
[화학식 2]
상기 화학식 2에서,
Rg, Rh, Ri 및 Rj는 각각 독립적으로 치환 또는 비치환된 탄소수 1 내지 5의 알킬기이고,
상기 s는 1 내지 50인 정수이다.
상기 리튬염의 농도는 1.6 M 내지 4 M인 것인 리튬 이차 전지용 전해질.
상기 리튬염의 농도는 1.6 M 내지 3 M인 것인 리튬 이차 전지용 전해질.
상기 리튬 이차 전지용 전해질은 액체 전해질인 것인 리튬 이차 전지용 전해질.
상기 올리고머 혼합물은 상기 리튬 이차 전지용 전해질 100 중량부 대비 0.01 중량부 내지 1 중량부로 포함되는 것인 리튬 이차 전지용 전해질.
상기 제1올리고머 및 상기 제2올리고머가 (10~50):(50~90) 중량비로 혼합되는 것인 리튬 이차 전지용 전해질.
상기 리튬 이차 전지용 전해질은 젤 폴리머 전해질인 것인 리튬 이차 전지용 전해질.
상기 올리고머 혼합물은 상기 리튬 이차 전지용 전해질 100 중량부 대비 2 중량부 내지 10 중량부로 포함되는 것인 리튬 이차 전지용 전해질.
상기 제1올리고머 및 상기 제2올리고머가 (1~50):(50~99) 중량비로 혼합되는 것인 리튬 이차 전지용 전해질.
중합 개시제를 더 포함하는 것인 리튬 이차 전지용 전해질.
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KR1020180095549A KR102391532B1 (ko) | 2018-08-16 | 2018-08-16 | 리튬 이차 전지용 전해질 |
ES19849167T ES2975984T3 (es) | 2018-08-16 | 2019-07-26 | Electrolito para batería secundaria de litio |
PL19849167.2T PL3748759T3 (pl) | 2018-08-16 | 2019-07-26 | Elektrolit do litowej baterii akumulatorowej |
JP2020545514A JP7055481B2 (ja) | 2018-08-16 | 2019-07-26 | リチウム二次電池用電解質 |
CN201980016769.3A CN111801836B (zh) | 2018-08-16 | 2019-07-26 | 锂二次电池用电解质 |
US16/979,007 US11817557B2 (en) | 2018-08-16 | 2019-07-26 | Electrolyte for lithium secondary battery |
EP19849167.2A EP3748759B1 (en) | 2018-08-16 | 2019-07-26 | Electrolyte for lithium secondary battery |
PCT/KR2019/009356 WO2020036336A1 (ko) | 2018-08-16 | 2019-07-26 | 리튬 이차 전지용 전해질 |
HUE19849167A HUE066753T2 (hu) | 2018-08-16 | 2019-07-26 | Elektrolit lítium szekunder akkumulátorhoz |
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KR1020180095549A KR102391532B1 (ko) | 2018-08-16 | 2018-08-16 | 리튬 이차 전지용 전해질 |
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US (1) | US11817557B2 (ko) |
EP (1) | EP3748759B1 (ko) |
JP (1) | JP7055481B2 (ko) |
KR (1) | KR102391532B1 (ko) |
CN (1) | CN111801836B (ko) |
ES (1) | ES2975984T3 (ko) |
HU (1) | HUE066753T2 (ko) |
PL (1) | PL3748759T3 (ko) |
WO (1) | WO2020036336A1 (ko) |
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US20230261260A1 (en) * | 2020-09-18 | 2023-08-17 | Lg Energy Solution, Ltd. | Composition for gel polymer electrolyte and lithium secondary battery including gel polymer electrolyte formed therefrom |
KR20220092438A (ko) * | 2020-12-24 | 2022-07-01 | 주식회사 엘지에너지솔루션 | 리튬 이차 전지의 전해질용 조성물, 겔 폴리머 전해질 및 이를 포함하는 리튬 이차 전지 |
KR20220092439A (ko) * | 2020-12-24 | 2022-07-01 | 주식회사 엘지에너지솔루션 | 리튬 이차 전지의 전해질용 조성물, 겔 폴리머 전해질 및 이를 포함하는 리튬 이차 전지 |
EP4170769A4 (en) * | 2020-12-24 | 2025-06-04 | LG Energy Solution, Ltd. | COMPOSITION FOR LITHIUM SECONDARY BATTERY ELECTROLYTE, GEL POLYMER ELECTROLYTE AND LITHIUM SECONDARY BATTERY COMPRISING SAME |
CN114300686B (zh) * | 2022-03-07 | 2022-08-09 | 宁德新能源科技有限公司 | 二次电池及电子装置 |
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US6190805B1 (en) * | 1997-09-10 | 2001-02-20 | Showa Denko Kabushiki Kaisha | Polymerizable compound, solid polymer electrolyte using the same and use thereof |
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KR100529085B1 (ko) | 2003-09-24 | 2005-11-15 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 고분자 전해질 조성물 및 이를 이용하여제조된 리튬 이차 전지 |
JP4480464B2 (ja) * | 2004-05-21 | 2010-06-16 | 三洋電機株式会社 | 非水電解質二次電池 |
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Also Published As
Publication number | Publication date |
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US20210202993A1 (en) | 2021-07-01 |
HUE066753T2 (hu) | 2024-09-28 |
EP3748759B1 (en) | 2024-03-20 |
EP3748759A1 (en) | 2020-12-09 |
US11817557B2 (en) | 2023-11-14 |
ES2975984T3 (es) | 2024-07-19 |
WO2020036336A1 (ko) | 2020-02-20 |
JP7055481B2 (ja) | 2022-04-18 |
KR20200020169A (ko) | 2020-02-26 |
PL3748759T3 (pl) | 2024-05-20 |
JP2021515367A (ja) | 2021-06-17 |
CN111801836A (zh) | 2020-10-20 |
CN111801836B (zh) | 2023-12-26 |
EP3748759A4 (en) | 2021-06-02 |
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