KR102285149B1 - 음극 활물질 및 이를 포함하는 리튬 전지 - Google Patents
음극 활물질 및 이를 포함하는 리튬 전지 Download PDFInfo
- Publication number
- KR102285149B1 KR102285149B1 KR1020140158903A KR20140158903A KR102285149B1 KR 102285149 B1 KR102285149 B1 KR 102285149B1 KR 1020140158903 A KR1020140158903 A KR 1020140158903A KR 20140158903 A KR20140158903 A KR 20140158903A KR 102285149 B1 KR102285149 B1 KR 102285149B1
- Authority
- KR
- South Korea
- Prior art keywords
- active material
- coating layer
- carbon
- metal
- negative active
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 60
- 239000007773 negative electrode material Substances 0.000 title claims abstract description 53
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 239000000463 material Substances 0.000 title claims description 10
- 239000011247 coating layer Substances 0.000 claims abstract description 78
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 53
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 48
- 229910052751 metal Inorganic materials 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 31
- 150000004767 nitrides Chemical class 0.000 claims abstract description 19
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 13
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 13
- 239000006183 anode active material Substances 0.000 claims description 21
- 229910052782 aluminium Inorganic materials 0.000 claims description 15
- 229910052719 titanium Inorganic materials 0.000 claims description 15
- 229910045601 alloy Inorganic materials 0.000 claims description 13
- 239000000956 alloy Substances 0.000 claims description 13
- 229910052759 nickel Inorganic materials 0.000 claims description 13
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- 229910052720 vanadium Inorganic materials 0.000 claims description 12
- 229910052804 chromium Inorganic materials 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 229910052748 manganese Inorganic materials 0.000 claims description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000003792 electrolyte Substances 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- 229910052723 transition metal Inorganic materials 0.000 claims description 10
- 150000003624 transition metals Chemical class 0.000 claims description 10
- 229910052783 alkali metal Inorganic materials 0.000 claims description 9
- 150000001340 alkali metals Chemical class 0.000 claims description 9
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 9
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 9
- 229910052712 strontium Inorganic materials 0.000 claims description 9
- 229910052718 tin Inorganic materials 0.000 claims description 9
- 229910052791 calcium Inorganic materials 0.000 claims description 8
- 229910021436 group 13–16 element Inorganic materials 0.000 claims description 8
- 229910052706 scandium Inorganic materials 0.000 claims description 8
- 229910052727 yttrium Inorganic materials 0.000 claims description 8
- 229910052726 zirconium Inorganic materials 0.000 claims description 8
- 229910052758 niobium Inorganic materials 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 229910052725 zinc Inorganic materials 0.000 claims description 7
- 239000002180 crystalline carbon material Substances 0.000 claims description 6
- 229910052735 hafnium Inorganic materials 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 6
- 239000005543 nano-size silicon particle Substances 0.000 claims description 6
- 229910018068 Li 2 O Inorganic materials 0.000 claims description 5
- 229910052747 lanthanoid Inorganic materials 0.000 claims description 5
- 150000002602 lanthanoids Chemical class 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229910052715 tantalum Inorganic materials 0.000 claims description 5
- 229910006404 SnO 2 Inorganic materials 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 27
- 239000011572 manganese Substances 0.000 description 16
- 239000000203 mixture Substances 0.000 description 16
- -1 polyethylene Polymers 0.000 description 16
- 239000010936 titanium Substances 0.000 description 15
- 238000000576 coating method Methods 0.000 description 12
- 239000010410 layer Substances 0.000 description 12
- 239000003575 carbonaceous material Substances 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 11
- 238000007599 discharging Methods 0.000 description 11
- 229910001416 lithium ion Inorganic materials 0.000 description 11
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- 239000007774 positive electrode material Substances 0.000 description 10
- 239000006258 conductive agent Substances 0.000 description 9
- 239000010408 film Substances 0.000 description 9
- 239000011230 binding agent Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000011255 nonaqueous electrolyte Substances 0.000 description 6
- 229910052749 magnesium Inorganic materials 0.000 description 5
- 230000014759 maintenance of location Effects 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000011267 electrode slurry Substances 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 229910052732 germanium Inorganic materials 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 239000011856 silicon-based particle Substances 0.000 description 4
- 239000007784 solid electrolyte Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910000314 transition metal oxide Inorganic materials 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- SBLRHMKNNHXPHG-UHFFFAOYSA-N 4-fluoro-1,3-dioxolan-2-one Chemical compound FC1COC(=O)O1 SBLRHMKNNHXPHG-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 3
- 239000011149 active material Substances 0.000 description 3
- 229910052785 arsenic Inorganic materials 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052733 gallium Inorganic materials 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 229910021385 hard carbon Inorganic materials 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 229910052745 lead Inorganic materials 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-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
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 239000004962 Polyamide-imide Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910003481 amorphous carbon Inorganic materials 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- 229910021475 bohrium Inorganic materials 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 229910021473 hassium Inorganic materials 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- 229910003480 inorganic solid Inorganic materials 0.000 description 2
- 238000009830 intercalation Methods 0.000 description 2
- 229910052741 iridium Inorganic materials 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 239000003273 ketjen black Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 150000002641 lithium Chemical class 0.000 description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910021382 natural graphite Inorganic materials 0.000 description 2
- 229910052762 osmium Inorganic materials 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229910052699 polonium Inorganic materials 0.000 description 2
- 229920002312 polyamide-imide Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 229910052702 rhenium Inorganic materials 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 229910021481 rutherfordium Inorganic materials 0.000 description 2
- 229910021477 seaborgium Inorganic materials 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 229910052713 technetium Inorganic materials 0.000 description 2
- 229910052714 tellurium Inorganic materials 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- PYOKUURKVVELLB-UHFFFAOYSA-N trimethyl orthoformate Chemical compound COC(OC)OC PYOKUURKVVELLB-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 1
- CYSGHNMQYZDMIA-UHFFFAOYSA-N 1,3-Dimethyl-2-imidazolidinon Chemical compound CN1CCN(C)C1=O CYSGHNMQYZDMIA-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
- PPDFQRAASCRJAH-UHFFFAOYSA-N 2-methylthiolane 1,1-dioxide Chemical compound CC1CCCS1(=O)=O PPDFQRAASCRJAH-UHFFFAOYSA-N 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229910000925 Cd alloy Inorganic materials 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910005793 GeO 2 Inorganic materials 0.000 description 1
- 229910012722 Li3N-LiI-LiOH Inorganic materials 0.000 description 1
- 229910012716 Li3N-LiI—LiOH Inorganic materials 0.000 description 1
- 229910012734 Li3N—LiI—LiOH Inorganic materials 0.000 description 1
- 229910013043 Li3PO4-Li2S-SiS2 Inorganic materials 0.000 description 1
- 229910013035 Li3PO4-Li2S—SiS2 Inorganic materials 0.000 description 1
- 229910012810 Li3PO4—Li2S-SiS2 Inorganic materials 0.000 description 1
- 229910012797 Li3PO4—Li2S—SiS2 Inorganic materials 0.000 description 1
- 229910012047 Li4SiO4-LiI-LiOH Inorganic materials 0.000 description 1
- 229910012075 Li4SiO4-LiI—LiOH Inorganic materials 0.000 description 1
- 229910012057 Li4SiO4—LiI—LiOH Inorganic materials 0.000 description 1
- 229910010238 LiAlCl 4 Inorganic materials 0.000 description 1
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 1
- 229910015044 LiB Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910010586 LiFeO 2 Inorganic materials 0.000 description 1
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 1
- 229910015645 LiMn Inorganic materials 0.000 description 1
- 229910013716 LiNi Inorganic materials 0.000 description 1
- 229910013705 LiNi 1-x Mn Inorganic materials 0.000 description 1
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 1
- 229910012513 LiSbF 6 Inorganic materials 0.000 description 1
- 229910012573 LiSiO Inorganic materials 0.000 description 1
- 229910012346 LiSiO4-LiI-LiOH Inorganic materials 0.000 description 1
- 229910012345 LiSiO4-LiI—LiOH Inorganic materials 0.000 description 1
- 229910012348 LiSiO4—LiI—LiOH Inorganic materials 0.000 description 1
- 229910000572 Lithium Nickel Cobalt Manganese Oxide (NCM) Inorganic materials 0.000 description 1
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 description 1
- 239000004472 Lysine Substances 0.000 description 1
- 229910018060 Ni-Co-Mn Inorganic materials 0.000 description 1
- 229910006025 NiCoMn Inorganic materials 0.000 description 1
- 229910018209 Ni—Co—Mn Inorganic materials 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004693 Polybenzimidazole Substances 0.000 description 1
- 239000004697 Polyetherimide Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229920000265 Polyparaphenylene Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 229910017796 Sb Si—Y Inorganic materials 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910004283 SiO 4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910020997 Sn-Y Inorganic materials 0.000 description 1
- 229910008859 Sn—Y Inorganic materials 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- RLTFLELMPUMVEH-UHFFFAOYSA-N [Li+].[O--].[O--].[O--].[V+5] Chemical compound [Li+].[O--].[O--].[O--].[V+5] RLTFLELMPUMVEH-UHFFFAOYSA-N 0.000 description 1
- FBDMTTNVIIVBKI-UHFFFAOYSA-N [O-2].[Mn+2].[Co+2].[Ni+2].[Li+] Chemical compound [O-2].[Mn+2].[Co+2].[Ni+2].[Li+] FBDMTTNVIIVBKI-UHFFFAOYSA-N 0.000 description 1
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 1
- FDLZQPXZHIFURF-UHFFFAOYSA-N [O-2].[Ti+4].[Li+] Chemical compound [O-2].[Ti+4].[Li+] FDLZQPXZHIFURF-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
- 239000006230 acetylene black Substances 0.000 description 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 229910052795 boron group element Inorganic materials 0.000 description 1
- 239000011329 calcined coke Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 229910052800 carbon group element Inorganic materials 0.000 description 1
- 239000002134 carbon nanofiber Substances 0.000 description 1
- NKCVNYJQLIWBHK-UHFFFAOYSA-N carbonodiperoxoic acid Chemical compound OOC(=O)OO NKCVNYJQLIWBHK-UHFFFAOYSA-N 0.000 description 1
- 239000006182 cathode active material Substances 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- PWRLWCQANJNXOR-UHFFFAOYSA-N dilithium chloro(dioxido)borane Chemical compound [Li+].[Li+].[O-]B([O-])Cl PWRLWCQANJNXOR-UHFFFAOYSA-N 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 150000004862 dioxolanes Chemical class 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Inorganic materials [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 description 1
- 229910000686 lithium vanadium oxide Inorganic materials 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- VROAXDSNYPAOBJ-UHFFFAOYSA-N lithium;oxido(oxo)nickel Chemical compound [Li+].[O-][Ni]=O VROAXDSNYPAOBJ-UHFFFAOYSA-N 0.000 description 1
- 239000006051 mesophase pitch carbide Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Substances OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920002480 polybenzimidazole Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910021384 soft carbon Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 229920005608 sulfonated EPDM Polymers 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
-
- 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
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/386—Silicon or alloys based on silicon
-
- 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
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/387—Tin or alloys based on tin
-
- 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
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/42—Alloys based on zinc
-
- 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
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/46—Alloys based on magnesium or aluminium
- H01M4/463—Aluminium based
-
- 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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
-
- 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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
-
- 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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
-
- 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
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
-
- 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
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- 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
- H01M4/134—Electrodes based on metals, Si or alloys
-
- 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
- H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
Abstract
Description
도 2는 일 실시예에 따른 음극 활물질의 코팅에 따른 응력 분포를 설명하기 위한 모식도이다.
도 3은 일 실시예에 따른 리튬 전지의 개략적인 구조를 나타낸 개략도이다.
도 4는 실시예 1 및 비교예 1-3에서 제조된 리튬 전지의 충방전 특성 평가 결과를 나타내는 그래프이다.
200: 이중코팅층
201: 제1 코팅층
202: 제2 코팅층
30: 리튬 전지
22: 음극
23: 양극
24: 세퍼레이터
25: 전지 용기
26: 봉입 부재
Claims (13)
- 리튬을 도프 및 탈도프할 수 있는 비탄소계 코어; 및
상기 비탄소계 코어의 표면의 적어도 일부에 코팅된 이중코팅층으로서, 금속을 포함하는 제1 코팅층; 및 금속 산화물 또는 금속 질화물을 포함하는 제2 코팅층;을 포함하는 이중코팅층;을 포함하고,
상기 제1 코팅층이 Li을 포함하는 음극 활물질. - 제1항에 있어서,
상기 제1 코팅층이 상기 비탄소계 코어의 표면 상에 배치되고, 상기 제2 코팅층이 상기 제1 코팅층 상에 배치된 음극 활물질. - 삭제
- 제1항에 있어서,
상기 금속 산화물 또는 금속 질화물은 Li, Al, Sn, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Sr, Y, Zr, Nb, Ba, Lu, Hf, Ta, 및 란탄족 원소 중 선택된 적어도 하나의 산화물 또는 질화물을 포함하는 음극 활물질. - 제1항에 있어서,
상기 제2 코팅층에 포함된 상기 금속 산화물 또는 금속 질화물은 Li의 산화물 또는 질화물인 음극 활물질. - 제1항에 있어서,
상기 제2 코팅층이 Li2O를 포함하는 음극 활물질. - 제1항에 있어서,
상기 제1 코팅층의 두께는 0.1nm 내지 0.1μm 범위인 음극 활물질. - 제1항에 있어서,
상기 제2 코팅층의 두께는 0.1nm 내지 1μm 범위인 음극 활물질. - 제1항에 있어서,
상기 비탄소계 코어는 Si, SiOx(0<x<2), Si-Z 합금(상기 Z는 알칼리 금속, 알칼리 토금속, 13족 내지 16족 원소, 전이금속, 희토류 원소 또는 이들의 조합 원소이며, Si은 아님), Sn, SnO2, Sn-Z(상기 Z는 알칼리 금속, 알칼리 토금속, 13족 내지 16족 원소, 전이금속, 희토류 원소 또는 이들의 조합 원소이며, Sn은 아님) 및 이들의 조합에서 선택되는 물질을 포함하고,
상기 Si-Z 합금은, 실리콘 및 실리콘을 제외한 2족 내지 14족 금속원소 중 적어도 하나를 포함하는 비활성 매트릭스; 및 상기 비활성 매트릭스 내에 분산된 활성 실리콘 나노입자;를 포함하는 실리콘계 합금 구조를 갖는 음극 활물질. - 제1항에 있어서,
상기 비탄소계 코어의 평균 입경이 1nm 내지 50μm인 음극 활물질. - 제1항에 있어서,
결정질 탄소계 물질을 더 포함하는 음극 활물질. - 제11항에 있어서,
상기 이중코팅층으로 코팅된 비탄소계 코어와 상기 결정질 탄소계 물질이 0.99:0.01 내지 0.01:0.99의 중량비로 포함되는 음극 활물질. - 제1항, 제2항, 제4항 내지 제12항 중 어느 한 항에 따른 음극 활물질을 포함하는 음극;
상기 음극에 대향하여 배치되는 양극; 및
상기 음극 및 양극 사이에 배치되는 전해질;
을 포함하는 리튬 전지.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140158903A KR102285149B1 (ko) | 2014-11-14 | 2014-11-14 | 음극 활물질 및 이를 포함하는 리튬 전지 |
US14/882,483 US11223040B2 (en) | 2014-11-14 | 2015-10-14 | Negative active material and lithium battery including the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140158903A KR102285149B1 (ko) | 2014-11-14 | 2014-11-14 | 음극 활물질 및 이를 포함하는 리튬 전지 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20160057813A KR20160057813A (ko) | 2016-05-24 |
KR102285149B1 true KR102285149B1 (ko) | 2021-08-04 |
Family
ID=55962500
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020140158903A Active KR102285149B1 (ko) | 2014-11-14 | 2014-11-14 | 음극 활물질 및 이를 포함하는 리튬 전지 |
Country Status (2)
Country | Link |
---|---|
US (1) | US11223040B2 (ko) |
KR (1) | KR102285149B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12074312B2 (en) | 2022-06-23 | 2024-08-27 | Sk On Co., Ltd. | Negative electrode for lithium secondary battery and method of manufacturing the same |
WO2025063431A1 (ko) * | 2023-09-22 | 2025-03-27 | 삼성에스디아이 주식회사 | 음극 활물질 및 이를 포함하는 리튬 이차 전지 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3319156A1 (en) | 2016-11-07 | 2018-05-09 | Samsung Electronics Co., Ltd. | Electrochemical device and method of preparing the same |
KR101908603B1 (ko) * | 2016-12-30 | 2018-10-16 | 울산과학기술원 | 리튬 이차 전지용 음극 조성물, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지 |
KR102157183B1 (ko) | 2017-03-07 | 2020-09-18 | 주식회사 엘지화학 | 음극 활물질, 상기 음극 활물질을 포함하는 음극, 및 상기 음극을 포함하는 이차 전지 |
KR102270864B1 (ko) * | 2017-04-19 | 2021-07-01 | 주식회사 엘지에너지솔루션 | 리튬 이차전지용 음극, 이를 포함하는 리튬 이차전지, 및 이의 제조 방법 |
US11322736B2 (en) | 2017-06-08 | 2022-05-03 | Lg Energy Solution, Ltd. | Negative electrode, secondary battery including the same, and method of preparing the negative electrode |
EP3584860A4 (en) * | 2017-07-12 | 2020-04-29 | LG Chem, Ltd. | NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, LITHIUM SECONDARY BATTERY INCLUDING SAME AND MANUFACTURING METHOD THEREOF |
KR102475433B1 (ko) * | 2018-03-20 | 2022-12-06 | 주식회사 엘지에너지솔루션 | 음극, 이의 제조 방법 및 이를 포함하는 리튬 이차전지 |
KR102386321B1 (ko) * | 2018-04-03 | 2022-04-14 | 주식회사 엘지에너지솔루션 | 리튬 이차전지용 음극, 이의 제조방법 및 이를 포함하는 리튬 이차전지 |
WO2020091199A1 (ko) * | 2018-10-31 | 2020-05-07 | 광주과학기술원 | 실리카-금속 복합체를 포함하는 리튬 이차전지용 음극활물질의 제조 방법 및 이를 이용하여 제조되는 음극활물질 |
JP6819822B2 (ja) | 2019-01-17 | 2021-01-27 | 日本製鉄株式会社 | 負極活物質材料、負極及び電池 |
US11715832B2 (en) * | 2019-08-12 | 2023-08-01 | Global Graphene Group, Inc. | Electrochemically stable anode active material for lithium-ion batteries and production method |
CN110752357B (zh) * | 2019-10-16 | 2021-01-15 | 成都新柯力化工科技有限公司 | 一种锂电池多孔Fe基非晶态合金包覆硅负极及制备方法 |
CN114927675B (zh) * | 2022-06-30 | 2024-06-07 | 宜春瑞富特新能源材料技术有限公司 | 一种复合金属包覆碳化硅基负极材料及其制备方法和应用 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007273459A (ja) | 2006-03-09 | 2007-10-18 | Matsushita Electric Ind Co Ltd | 転写用フィルム、およびそれを用いて形成された電気化学素子用の極板ならびにリチウム二次電池 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4752996B2 (ja) | 2004-04-20 | 2011-08-17 | パイオニクス株式会社 | リチウム二次電池用負極活物質粒子の製造方法 |
US7248023B2 (en) * | 2004-04-22 | 2007-07-24 | Matsushita Electric Industrial Co., Ltd. | Charger for lithium secondary battery and electronic apparatus including charger |
JP4329743B2 (ja) | 2005-08-09 | 2009-09-09 | 宇部興産株式会社 | 非水二次電池とその製造方法 |
JP2009164104A (ja) | 2007-09-06 | 2009-07-23 | Canon Inc | 負極用電極材料、その製造方法ならびに該材料を用いた電極構造体及び蓄電デバイス |
JP2009104901A (ja) | 2007-10-23 | 2009-05-14 | Mitsui Mining & Smelting Co Ltd | 非水電解液二次電池用負極 |
WO2010016217A1 (ja) * | 2008-08-04 | 2010-02-11 | パナソニック株式会社 | リチウム二次電池の製造方法およびリチウム二次電池 |
KR101159226B1 (ko) * | 2009-09-30 | 2012-06-25 | 국립대학법인 울산과학기술대학교 산학협력단 | 리튬 이차 전지용 음극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지 |
KR101084077B1 (ko) | 2009-10-14 | 2011-11-16 | 삼성에스디아이 주식회사 | 리튬이차전지용 음극활물질, 그의 제조방법 및 그를 포함하는 리튬이차전지 |
JP6185841B2 (ja) | 2010-10-22 | 2017-08-23 | アンプリウス、インコーポレイテッド | 電極物質複合構造体、電極およびリチウムイオン電池、ならびに、電極の製造方法 |
KR101253494B1 (ko) | 2010-12-13 | 2013-04-15 | 한양대학교 산학협력단 | 리튬 이차 전지용 음극 활물질, 그 제조방법 및 이를 포함하는 리튬 이차 전지 |
KR101243913B1 (ko) | 2011-04-07 | 2013-03-14 | 삼성에스디아이 주식회사 | 음극활물질, 이를 채용한 음극과 리튬전지 및 그 제조방법 |
KR101452027B1 (ko) | 2011-06-17 | 2014-10-21 | 주식회사 엘지화학 | 리튬 이차전지용 음극활물질 및 이를 포함하는 리튬 이차전지 |
KR102014984B1 (ko) * | 2011-12-02 | 2019-08-28 | 삼성전자주식회사 | 리튬 이차 전지용 음극 활물질, 이의 제조 방법 및 이를 구비한 리튬 이차 전지 |
KR20140022253A (ko) | 2012-08-13 | 2014-02-24 | 삼성에스디아이 주식회사 | 복합음극활물질, 이를 포함하는 음극과 리튬전지, 및 이의 제조방법 |
KR101749508B1 (ko) | 2013-03-18 | 2017-06-21 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 전극 활물질, 이를 포함한 리튬 이차 전지용 전극 및 이를 구비한 리튬 이차 전지 |
-
2014
- 2014-11-14 KR KR1020140158903A patent/KR102285149B1/ko active Active
-
2015
- 2015-10-14 US US14/882,483 patent/US11223040B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007273459A (ja) | 2006-03-09 | 2007-10-18 | Matsushita Electric Ind Co Ltd | 転写用フィルム、およびそれを用いて形成された電気化学素子用の極板ならびにリチウム二次電池 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12074312B2 (en) | 2022-06-23 | 2024-08-27 | Sk On Co., Ltd. | Negative electrode for lithium secondary battery and method of manufacturing the same |
WO2025063431A1 (ko) * | 2023-09-22 | 2025-03-27 | 삼성에스디아이 주식회사 | 음극 활물질 및 이를 포함하는 리튬 이차 전지 |
Also Published As
Publication number | Publication date |
---|---|
US11223040B2 (en) | 2022-01-11 |
US20160141608A1 (en) | 2016-05-19 |
KR20160057813A (ko) | 2016-05-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR102285149B1 (ko) | 음극 활물질 및 이를 포함하는 리튬 전지 | |
CN111788721B (zh) | 包含直径不同的石墨和硅基材料的负极以及包含其的锂二次电池 | |
KR101749187B1 (ko) | 음극 활물질, 이를 채용한 음극과 리튬 전지 및 상기 음극 활물질의 제조방법 | |
KR101771086B1 (ko) | 복합 양극 활물질 및 그 제조방법, 상기 복합 양극 활물질을 채용한 양극과 리튬 전지 | |
TWI458154B (zh) | 鋰二次電池 | |
US9209490B2 (en) | Electrolyte for rechargeable lithium battery, and rechargeable lithium battery including same | |
KR101805541B1 (ko) | 복합양극활물질, 이를 포함하는 양극 및 리튬전지, 및 이의 제조방법 | |
US20120231341A1 (en) | Positive active material, and electrode and lithium battery containing the positive active material | |
CN104904049B (zh) | 二次电池用负极及包括该负极的锂二次电池 | |
KR20210007273A (ko) | 복합 음극활물질, 이를 포함한 음극 및 이를 포함하는 리튬 이차전지 | |
US10651463B2 (en) | Negative electrode active material and method of preparing the same | |
KR20190076706A (ko) | 리튬 이차전지용 음극활물질, 이를 포함한 음극, 및 리튬 이차전지 | |
KR102152367B1 (ko) | 복합 양극 활물질의 제조방법, 이에 의해 제조된 복합 양극 활물질 및 이를 채용한 양극과 리튬 전지 | |
KR102207920B1 (ko) | 복합양극활물질, 그 제조방법 및 이를 채용한 양극과 리튬이차전지 | |
KR101973047B1 (ko) | 복합양극활물질, 이를 포함하는 양극 및 리튬전지, 및 이의 제조방법 | |
KR101590678B1 (ko) | 리튬 이차전지용 음극 활물질 및 이를 포함하는 리튬 이차전지 | |
KR20200075209A (ko) | 음극 활물질, 그의 제조 방법 및 그를 포함하는 리튬이차전지 | |
CN103928655A (zh) | 用于可再充电锂电池的正极和包括其的可再充电锂电池 | |
KR101623724B1 (ko) | 구조적 안정성이 향상된 이차전지용 음극 합제 및 이를 포함하는 이차전지 | |
US10693133B2 (en) | Method of manufacturing positive material | |
US10553865B2 (en) | Negative active material and negative electrode and lithium battery including the material | |
KR20160080865A (ko) | 양극 활물질 및 그 제조방법, 상기 양극 활물질을 채용한 양극과 리튬 전지 | |
US10170760B2 (en) | Lithium ion secondary battery | |
KR101796344B1 (ko) | 리튬 이차전지용 양극활물질, 이의 제조방법, 및 이를 포함하는 리튬 이차전지 | |
US11870068B2 (en) | Lithium ion secondary battery |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20141114 |
|
PG1501 | Laying open of application | ||
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20190926 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 20141114 Comment text: Patent Application |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20201211 Patent event code: PE09021S01D |
|
E90F | Notification of reason for final refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Final Notice of Reason for Refusal Patent event date: 20210324 Patent event code: PE09021S02D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20210528 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20210728 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20210729 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20240701 Start annual number: 4 End annual number: 4 |