KR102364463B1 - 리튬 이차전지용 전극 및 그를 포함하는 리튬 이차전지 - Google Patents
리튬 이차전지용 전극 및 그를 포함하는 리튬 이차전지 Download PDFInfo
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- KR102364463B1 KR102364463B1 KR1020180092536A KR20180092536A KR102364463B1 KR 102364463 B1 KR102364463 B1 KR 102364463B1 KR 1020180092536 A KR1020180092536 A KR 1020180092536A KR 20180092536 A KR20180092536 A KR 20180092536A KR 102364463 B1 KR102364463 B1 KR 102364463B1
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 36
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 239000010410 layer Substances 0.000 claims abstract description 71
- 239000002987 primer (paints) Substances 0.000 claims abstract description 44
- 239000011230 binding agent Substances 0.000 claims abstract description 43
- 229920005569 poly(vinylidene fluoride-co-hexafluoropropylene) Polymers 0.000 claims abstract description 29
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000007772 electrode material Substances 0.000 claims abstract description 23
- 239000004020 conductor Substances 0.000 claims abstract description 21
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 abstract description 7
- 230000035515 penetration Effects 0.000 description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 15
- 230000008961 swelling Effects 0.000 description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- -1 aluminum-cadmium Chemical compound 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000007774 positive electrode material Substances 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 239000011572 manganese Substances 0.000 description 6
- 239000006229 carbon black Substances 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 230000014759 maintenance of location Effects 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 229910013716 LiNi Inorganic materials 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 229910021383 artificial graphite Inorganic materials 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000011267 electrode slurry Substances 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 239000011149 active material Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 229910021382 natural graphite Inorganic materials 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 229910015645 LiMn Inorganic materials 0.000 description 2
- 229910014689 LiMnO Inorganic materials 0.000 description 2
- 229920000265 Polyparaphenylene Polymers 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 description 2
- 239000006230 acetylene black Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000006183 anode active material Substances 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000006231 channel black Substances 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000006232 furnace black Substances 0.000 description 2
- 239000003273 ketjen black Substances 0.000 description 2
- 239000006233 lamp black Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- IHCCLXNEEPMSIO-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperidin-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1CCN(CC1)CC(=O)N1CC2=C(CC1)NN=N2 IHCCLXNEEPMSIO-UHFFFAOYSA-N 0.000 description 1
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229910000925 Cd alloy Inorganic materials 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- 229910005793 GeO 2 Inorganic materials 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910007969 Li-Co-Ni Inorganic materials 0.000 description 1
- 229910008163 Li1+x Mn2-x O4 Inorganic materials 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910006555 Li—Co—Ni Inorganic materials 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- QDDVNKWVBSLTMB-UHFFFAOYSA-N [Cu]=O.[Li] Chemical compound [Cu]=O.[Li] QDDVNKWVBSLTMB-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
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000006255 coating slurry Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- PVADDRMAFCOOPC-UHFFFAOYSA-N germanium monoxide Inorganic materials [Ge]=O PVADDRMAFCOOPC-UHFFFAOYSA-N 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910002102 lithium manganese 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
- VLXXBCXTUVRROQ-UHFFFAOYSA-N lithium;oxido-oxo-(oxomanganiooxy)manganese Chemical compound [Li+].[O-][Mn](=O)O[Mn]=O VLXXBCXTUVRROQ-UHFFFAOYSA-N 0.000 description 1
- URIIGZKXFBNRAU-UHFFFAOYSA-N lithium;oxonickel Chemical compound [Li].[Ni]=O URIIGZKXFBNRAU-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 229910021470 non-graphitizable carbon Inorganic materials 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920001197 polyacetylene Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical group 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
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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
- 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
- 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
- H01M10/42—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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
- H01M4/622—Binders being polymers
- H01M4/623—Binders being polymers fluorinated polymers
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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
- 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
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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
- 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
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- 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
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Abstract
Description
도 1은 본 발명의 일 실시형태에 따른 리튬 이차전지용 전극의 구조를 개략적으로 나타낸 것이다.
|
프라이머 코팅층 |
못 관통 안전성 (통과수량) |
용량유지율(%) |
|
|
PVDF-HFP 바인더에 함유된 HFP의 함량(중량%) |
코팅층 두께 (㎛) |
||
실시예 1 |
3 |
1.2 |
2/5 |
98.1 |
실시예 2 |
7 |
1.2 |
5/5 |
90.5. |
비교예 1 |
0 |
1.2 |
0/5 |
98.8 |
비교예 2 |
20 |
1.2 |
5/5 |
70.9 |
비교예 3 |
3 |
0.3 |
0/5 |
98.9 |
비교예 4 |
3 |
10 |
5/5 |
62.5 |
Claims (8)
- 전극 집전체; 상기 전극 집전체의 적어도 일면에 위치하고, 바인더 및 도전재를 포함하는 프라이머 코팅층; 및 상기 프라이머 코팅층 상에 위치하는 전극 활물질층을 포함하며,
상기 바인더는 비닐리덴 플루오라이드(VDF) 유래 반복단위 및 헥사플루오로프로필렌(HFP) 유래 반복단위를 포함하는 PVDF-HFP(Poly(vinylidene fluoride-co-hexafluoropropylene))로 구성되고,
상기 PVDF-HFP 중 HFP 유래 반복단위의 함량이 2 중량% 내지 13 중량%이며,
상기 프라이머 코팅층은 0.8㎛ 내지 5㎛의 두께를 갖는 것인 리튬 이차전지용 전극. - 제1항에 있어서,
상기 프라이머 코팅층은 상기 바인더를 도전재 100 중량부를 기준으로 10 중량부 내지 80 중량부로 포함하는 리튬 이차전지용 전극. - 제2항에 있어서,
상기 프라이머 코팅층은 상기 바인더를 도전재 100 중량부를 기준으로 35 중량부 내지 65 중량부로 포함하는 리튬 이차전지용 전극. - 제1항에 있어서,
상기 PVDF-HFP 중합체 중 HFP 유래 반복단위의 함량이 3 중량% 내지 10 중량%인 리튬 이차전지용 전극. - 제1항에 있어서,
상기 프라이머 코팅층의 두께가 1 ㎛ 내지 2 ㎛인 리튬 이차전지용 전극. - 제1항에 있어서,
상기 프라이머 코팅층의 두께는 상기 전극 활물질층 두께의 0.01배 내지 0.05배인 리튬 이차전지용 전극. - 제6항에 있어서,
상기 프라이머 코팅층의 두께는 상기 전극 활물질층 두께의 0.01배 내지 0.03배인 리튬 이차전지용 전극. - 양극, 음극 및 상기 양극과 상기 음극 사이에 개재된 세퍼레이터를 포함하고,
상기 양극 또는 상기 음극은, 제1항 내지 제7항 중 어느 한 항에 따른 리튬 이차전지용 전극인 리튬 이차전지.
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KR1020180092536A KR102364463B1 (ko) | 2018-08-08 | 2018-08-08 | 리튬 이차전지용 전극 및 그를 포함하는 리튬 이차전지 |
ES19846618T ES2996935T3 (en) | 2018-08-08 | 2019-07-31 | Electrode for lithium secondary battery and lithium secondary battery comprising same |
EP24189608.3A EP4447139A3 (en) | 2018-08-08 | 2019-07-31 | Electrode for lithium secondary battery and lithium secondary battery comprising same |
PCT/KR2019/009574 WO2020032471A1 (ko) | 2018-08-08 | 2019-07-31 | 리튬 이차전지용 전극 및 그를 포함하는 리튬 이차전지 |
HUE19846618A HUE069228T2 (hu) | 2018-08-08 | 2019-07-31 | Elektród lítium-akkumulátorhoz és ezt tartalmazó lítium-akkumulátor |
JP2021503567A JP7110481B2 (ja) | 2018-08-08 | 2019-07-31 | リチウム二次電池用正極及びそれを含むリチウム二次電池 |
CN201980049126.9A CN112470310B (zh) | 2018-08-08 | 2019-07-31 | 锂二次电池用电极和包含该电极的锂二次电池 |
EP19846618.7A EP3826088B1 (en) | 2018-08-08 | 2019-07-31 | Electrode for lithium secondary battery and lithium secondary battery comprising same |
PL19846618.7T PL3826088T3 (pl) | 2018-08-08 | 2019-07-31 | Elektroda do litowej baterii wielokrotnego ładowania i litowa bateria wielokrotnego ładowania zawierająca taką elektrodę |
US17/266,802 US12002961B2 (en) | 2018-08-08 | 2019-07-31 | Electrode for lithium secondary battery and lithium secondary battery comprising same |
CN202411278578.3A CN118919649A (zh) | 2018-08-08 | 2019-07-31 | 锂二次电池用电极和包含该电极的锂二次电池 |
US18/647,508 US20240274824A1 (en) | 2018-08-08 | 2024-04-26 | Electrode For Lithium Secondary Battery And Lithium Secondary Battery Comprising Same |
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JP (1) | JP7110481B2 (ko) |
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CN (2) | CN118919649A (ko) |
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EP4391102A4 (en) * | 2021-10-05 | 2025-07-02 | Lg Energy Solution Ltd | ELECTRODE, SECONDARY BATTERY COMPRISING SAME AND METHOD FOR MANUFACTURING SAME |
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WO2023136665A1 (ko) * | 2022-01-14 | 2023-07-20 | 주식회사 엘지화학 | 부착강화층을 포함하는 집전체, 이를 포함하는 양극 및 상기 양극을 포함하는 리튬이차전지 |
EP4456202A1 (en) * | 2022-01-28 | 2024-10-30 | LG Energy Solution, Ltd. | Electrode and electrochemical device comprising same |
CN117981118A (zh) * | 2022-06-17 | 2024-05-03 | 宁德时代新能源科技股份有限公司 | 一种添加剂及其制备方法和用途、正极极片及其制备方法 |
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KR20250031400A (ko) * | 2023-08-28 | 2025-03-07 | 에스케이온 주식회사 | 전극 제조용 프라이머 용액, 이차전지용 전극의 제조 방법 및 이차전지용 전극 |
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EP3826088B1 (en) | 2024-11-06 |
CN118919649A (zh) | 2024-11-08 |
EP3826088A4 (en) | 2021-11-24 |
EP4447139A2 (en) | 2024-10-16 |
CN112470310A (zh) | 2021-03-09 |
JP7110481B2 (ja) | 2022-08-01 |
EP3826088A1 (en) | 2021-05-26 |
CN112470310B (zh) | 2024-10-01 |
KR20200017218A (ko) | 2020-02-18 |
JP2021532542A (ja) | 2021-11-25 |
WO2020032471A1 (ko) | 2020-02-13 |
ES2996935T3 (en) | 2025-02-13 |
EP4447139A3 (en) | 2024-11-06 |
US12002961B2 (en) | 2024-06-04 |
US20240274824A1 (en) | 2024-08-15 |
PL3826088T3 (pl) | 2025-02-17 |
US20210344014A1 (en) | 2021-11-04 |
HUE069228T2 (hu) | 2025-02-28 |
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