WO2013066117A1 - 케이블형 이차전지 - Google Patents
케이블형 이차전지 Download PDFInfo
- Publication number
- WO2013066117A1 WO2013066117A1 PCT/KR2012/009205 KR2012009205W WO2013066117A1 WO 2013066117 A1 WO2013066117 A1 WO 2013066117A1 KR 2012009205 W KR2012009205 W KR 2012009205W WO 2013066117 A1 WO2013066117 A1 WO 2013066117A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- current collector
- secondary battery
- active material
- type secondary
- cable
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 115
- 239000002184 metal Substances 0.000 claims abstract description 115
- 239000007772 electrode material Substances 0.000 claims abstract description 62
- 238000000926 separation method Methods 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 63
- 239000003792 electrolyte Substances 0.000 claims description 52
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 38
- 229910052759 nickel Inorganic materials 0.000 claims description 37
- 229910052799 carbon Inorganic materials 0.000 claims description 33
- -1 aluminum-cadmium Chemical compound 0.000 claims description 32
- 229910052719 titanium Inorganic materials 0.000 claims description 27
- 239000010936 titanium Substances 0.000 claims description 27
- 239000011253 protective coating Substances 0.000 claims description 24
- 229910052709 silver Inorganic materials 0.000 claims description 24
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 23
- 229910052782 aluminium Inorganic materials 0.000 claims description 22
- 229920001940 conductive polymer Polymers 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 20
- 229910001220 stainless steel Inorganic materials 0.000 claims description 19
- 239000010935 stainless steel Substances 0.000 claims description 19
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 18
- 229920000642 polymer Polymers 0.000 claims description 18
- 239000004332 silver Substances 0.000 claims description 18
- 239000004020 conductor Substances 0.000 claims description 16
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 15
- 239000011149 active material Substances 0.000 claims description 15
- 239000011230 binding agent Substances 0.000 claims description 15
- 150000002739 metals Chemical class 0.000 claims description 15
- 239000011347 resin Substances 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 15
- 229910052744 lithium Inorganic materials 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 229920001197 polyacetylene Polymers 0.000 claims description 12
- 229920000767 polyaniline Polymers 0.000 claims description 12
- 229920000128 polypyrrole Polymers 0.000 claims description 12
- 229920000123 polythiophene Polymers 0.000 claims description 11
- 229910000925 Cd alloy Inorganic materials 0.000 claims description 10
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 10
- 239000005977 Ethylene Substances 0.000 claims description 10
- 229920002678 cellulose Polymers 0.000 claims description 10
- 230000002265 prevention Effects 0.000 claims description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 9
- 229920001577 copolymer Polymers 0.000 claims description 9
- 229910052763 palladium Inorganic materials 0.000 claims description 9
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 9
- 239000004642 Polyimide Substances 0.000 claims description 8
- 239000002998 adhesive polymer Substances 0.000 claims description 8
- 239000001913 cellulose Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 229920001721 polyimide Polymers 0.000 claims description 8
- 229920006254 polymer film Polymers 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 6
- 229920002873 Polyethylenimine Polymers 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 6
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical group [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 6
- 229910003002 lithium salt Inorganic materials 0.000 claims description 6
- 159000000002 lithium salts Chemical class 0.000 claims description 6
- 229920001451 polypropylene glycol Polymers 0.000 claims description 6
- 239000011118 polyvinyl acetate Substances 0.000 claims description 6
- 229920000178 Acrylic resin Polymers 0.000 claims description 5
- 239000004925 Acrylic resin Substances 0.000 claims description 5
- 239000004952 Polyamide Substances 0.000 claims description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- 229920000609 methyl cellulose Polymers 0.000 claims description 5
- 235000010981 methylcellulose Nutrition 0.000 claims description 5
- 229920001220 nitrocellulos Polymers 0.000 claims description 5
- 229920002647 polyamide Polymers 0.000 claims description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 5
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 5
- 239000005518 polymer electrolyte Substances 0.000 claims description 5
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 5
- 229920002554 vinyl polymer Polymers 0.000 claims description 5
- LNAZSHAWQACDHT-XIYTZBAFSA-N (2r,3r,4s,5r,6s)-4,5-dimethoxy-2-(methoxymethyl)-3-[(2s,3r,4s,5r,6r)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6r)-4,5,6-trimethoxy-2-(methoxymethyl)oxan-3-yl]oxyoxane Chemical compound CO[C@@H]1[C@@H](OC)[C@H](OC)[C@@H](COC)O[C@H]1O[C@H]1[C@H](OC)[C@@H](OC)[C@H](O[C@H]2[C@@H]([C@@H](OC)[C@H](OC)O[C@@H]2COC)OC)O[C@@H]1COC LNAZSHAWQACDHT-XIYTZBAFSA-N 0.000 claims description 4
- 229910052684 Cerium Inorganic materials 0.000 claims description 4
- 229910012851 LiCoO 2 Inorganic materials 0.000 claims description 4
- 229910010707 LiFePO 4 Inorganic materials 0.000 claims description 4
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 claims description 4
- 229910013716 LiNi Inorganic materials 0.000 claims description 4
- 229910013210 LiNiMnCoO Inorganic materials 0.000 claims description 4
- 229910013290 LiNiO 2 Inorganic materials 0.000 claims description 4
- 239000000020 Nitrocellulose Substances 0.000 claims description 4
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 4
- 229930182556 Polyacetal Natural products 0.000 claims description 4
- 239000004695 Polyether sulfone Substances 0.000 claims description 4
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 4
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229910021383 artificial graphite Inorganic materials 0.000 claims description 4
- 229910052793 cadmium Inorganic materials 0.000 claims description 4
- 239000003575 carbonaceous material Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 239000001923 methylcellulose Substances 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 229910021382 natural graphite Inorganic materials 0.000 claims description 4
- 229940079938 nitrocellulose Drugs 0.000 claims description 4
- 229920000515 polycarbonate Polymers 0.000 claims description 4
- 239000004417 polycarbonate Substances 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 4
- 229920006393 polyether sulfone Polymers 0.000 claims description 4
- 229920002530 polyetherether ketone Polymers 0.000 claims description 4
- 229920006324 polyoxymethylene Polymers 0.000 claims description 4
- 229920006380 polyphenylene oxide Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000007784 solid electrolyte Substances 0.000 claims description 4
- 229910052718 tin Inorganic materials 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 229910052720 vanadium Inorganic materials 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 229910010238 LiAlCl 4 Inorganic materials 0.000 claims description 3
- 229910015015 LiAsF 6 Inorganic materials 0.000 claims description 3
- 229910015044 LiB Inorganic materials 0.000 claims description 3
- 229910013063 LiBF 4 Inorganic materials 0.000 claims description 3
- 229910013684 LiClO 4 Inorganic materials 0.000 claims description 3
- 229910011281 LiCoPO 4 Inorganic materials 0.000 claims description 3
- 229910013870 LiPF 6 Inorganic materials 0.000 claims description 3
- 229910012513 LiSbF 6 Inorganic materials 0.000 claims description 3
- 239000004962 Polyamide-imide Substances 0.000 claims description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 3
- 229910052788 barium Inorganic materials 0.000 claims description 3
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229920001519 homopolymer Polymers 0.000 claims description 3
- 239000010954 inorganic particle Substances 0.000 claims description 3
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Inorganic materials [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 3
- 229920002312 polyamide-imide Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 229920001384 propylene homopolymer Polymers 0.000 claims description 3
- BEKPOUATRPPTLV-UHFFFAOYSA-N [Li].BCl Chemical compound [Li].BCl BEKPOUATRPPTLV-UHFFFAOYSA-N 0.000 claims description 2
- 239000006229 carbon black Substances 0.000 claims description 2
- 229920005569 poly(vinylidene fluoride-co-hexafluoropropylene) Polymers 0.000 claims description 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims 1
- 125000001931 aliphatic group Chemical group 0.000 claims 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims 1
- 229910052808 lithium carbonate Inorganic materials 0.000 claims 1
- 230000000295 complement effect Effects 0.000 abstract 1
- 238000000576 coating method Methods 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 12
- 239000011248 coating agent Substances 0.000 description 10
- 150000002500 ions Chemical class 0.000 description 8
- 229910001416 lithium ion Inorganic materials 0.000 description 7
- 238000003466 welding Methods 0.000 description 7
- 235000010980 cellulose Nutrition 0.000 description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 238000007765 extrusion coating Methods 0.000 description 4
- 239000007773 negative electrode material Substances 0.000 description 4
- 239000007774 positive electrode material Substances 0.000 description 4
- 239000006182 cathode active material Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000002952 polymeric resin Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 2
- UORVGPXVDQYIDP-UHFFFAOYSA-N borane Chemical compound B UORVGPXVDQYIDP-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 239000011267 electrode slurry Substances 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- RIUWBIIVUYSTCN-UHFFFAOYSA-N trilithium borate Chemical compound [Li+].[Li+].[Li+].[O-]B([O-])[O-] RIUWBIIVUYSTCN-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910005813 NiMH Inorganic materials 0.000 description 1
- 239000006183 anode active material Substances 0.000 description 1
- 238000007743 anodising Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910000085 borane Inorganic materials 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920012287 polyphenylene sulfone Polymers 0.000 description 1
- 229920006295 polythiol Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 239000013585 weight reducing agent 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
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
-
- 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
-
- 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
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/78—Shapes other than plane or cylindrical, e.g. helical
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0422—Cells or battery with cylindrical casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/417—Polyolefins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/521—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the material
- H01M50/522—Inorganic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/562—Terminals characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0566—Liquid materials
- H01M10/0568—Liquid materials characterised by the solutes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/446—Composite material consisting of a mixture of organic and inorganic materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/548—Terminals characterised by the disposition of the terminals on the cells on opposite sides of the cell
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/564—Terminals characterised by their manufacturing process
- H01M50/566—Terminals characterised by their manufacturing process by welding, soldering or brazing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Definitions
- the present invention relates to a cable type secondary battery free of deformation, and more particularly, to a cable type secondary battery including a current collector having a metal tab formed at one end.
- a secondary battery is a device that converts external electrical energy into chemical energy and stores it and generates electricity when needed.
- the term “rechargeable battery” is also used to mean that it can be charged multiple times.
- Commonly used secondary batteries include lead storage batteries, nickel cadmium batteries (NiCd), nickel hydrogen storage batteries (NiMH), lithium ion batteries (Li-ion), and lithium ion polymer batteries (Li-ion polymer). Secondary batteries offer both economic and environmental advantages over primary batteries that are used once and discarded.
- Secondary batteries are currently used where low power is used. Examples are devices, handhelds, tools, and uninterruptible power supplies that help start up the car. Recently, the development of wireless communication technology has led to the popularization of portable devices, and there is also a tendency to wirelessize many kinds of conventional devices, and the demand for secondary batteries is exploding. In addition, hybrid vehicles and electric vehicles have been put to practical use in terms of prevention of environmental pollution, and these next-generation vehicles employ technologies that use secondary batteries to reduce value, weight, and increase lifespan.
- secondary batteries are cylindrical, rectangular or pouch type batteries. This is because the secondary battery is manufactured by mounting an electrode assembly composed of a negative electrode, a positive electrode, and a separator inside a pouch-shaped case of a cylindrical or rectangular metal can or an aluminum laminate sheet, and injecting an electrolyte into the electrode assembly. Therefore, since a certain space for mounting the secondary battery is essentially required, the cylindrical, square or pouch type of the secondary battery has a problem in that it acts as a limitation for the development of various types of portable devices. Accordingly, there is a need for a new type of secondary battery that is easily deformed.
- Korean Patent No. 0444911 discloses a linear battery composed of a plurality of negative electrodes and a positive electrode having a separator interposed between a negative electrode and a positive electrode
- Korean Patent No. 0742739 is a variable battery consisting of a positive electrode chamber and a negative electrode chamber in a thread form. It is starting.
- the cable-type secondary battery has a so-called, cable structure that is composed of a thin and elongated form is stretchable in the longitudinal direction.
- the cable type secondary battery since the cable type secondary battery has a relatively long linear structure and excellent flexibility, excessive physical force may be applied to the electrode. Requires an electrode structure that can be otherwise robust.
- an object of the present invention is to solve the above problems, to provide a cable-type secondary battery comprising a current collector having a metal tab on one end.
- the present invention is a wire-like internal current collector having a first metal tab extending to a predetermined length at one end thereof; An internal electrode active material layer formed on a surface of the internal current collector; A separation layer formed on an outer surface of the inner electrode active material layer; And an external electrode formed on an outer surface of the separation layer and having an external current collector having an external electrode active material layer and a second metal tab extending at a predetermined length at one end thereof. It provides a cable-type secondary battery extending in the direction.
- the cable-type secondary battery is in close contact with the first electrolyte leak prevention layer formed on the outer surface of the first metal tab, the second electrolyte leakage barrier layer formed on the outer surface of the second metal tab, and the external current collector and is in close contact with each other. It may be further provided with a protective coating comprising a tube.
- the first metal tab and the second metal tab are independently of each other, stainless steel, aluminum, nickel, titanium, calcined carbon, copper; Stainless steel surface-treated with carbon, nickel, titanium, or silver; Aluminum-Cadmium Alloy And the like can be used.
- the first electrolyte leakage preventing layer and the second electrolyte leakage preventing layer may include a heat-adhesive polymer film or a heat shrink tube independently of each other, and the heat-adhesive polymer film may be polyethylene, polypropylene, polyethylene terephthalate, poly Amides and polyimides.
- the external electrode may include an external electrode active material layer formed surrounding the outer surface of the separation layer and an external current collector formed surrounding the outer surface of the external electrode active material layer, or an external current collector formed surrounding the outer surface of the separation layer; An external electrode active material layer formed surrounding the outer surface of the outer current collector, or an outer current collector formed surrounding the outer surface of the separation layer and an outer electrode active material formed to surround the outer surface of the outer current collector and contact the separation layer A layer or an external current collector formed on the outer surface of the separation layer, and an external current collector covered in the external electrode active material layer and surrounding the outer surface of the separation layer to be spaced apart. Can be.
- the external current collector may be a pipe current collector, a wound wire current collector, a wound sheet current collector, or a mesh current collector, and the external current collector may include a wound wire current collector. .
- the external current collector is not particularly limited in kind, but stainless steel, aluminum, nickel, titanium, calcined carbon, copper; Stainless steel surface-treated with carbon, nickel, titanium, or silver; Aluminum-cadmium alloys; Non-conductive polymer surface-treated with a conductive material; Alternatively, one made of a conductive polymer may be used.
- the conductive material may be polyacetylene, polyaniline, polypyrrole, polythiophene and polysulfuride, ITO (Indum Thin Oxide), silver, palladium and nickel, and the like, but is not particularly limited thereto.
- the conductive polymer may be polyacetylene, polyaniline, polypyrrole, polythiophene, polysulfuritride, or the like, but is not particularly limited thereto.
- the external current collector may be one containing a conductive paste.
- the conductive paste is not particularly limited in kind, but may be a metal paste or a carbon paste.
- the metal paste may include metal powders and binders such as Ni, Al, Au, Ag, Al, Pd / Ag, Cr, Ta, Cu, Ba, and ITO, and the carbon paste may include graphite and carbon. Carbon powders and binders, such as black and carbon nanotubes, can be used.
- the binder is not particularly limited in kind, but acrylic resins, vinyl resins, hydroxy celluloses, methyl celluloses, nitro celluloses, ethylene celluloses, and modified resins of the above resins may be used.
- the internal current collector of the present invention stainless steel, aluminum, nickel, titanium, calcined carbon, copper; Stainless steel surface-treated with carbon, nickel, titanium, or silver; Aluminum-cadmium alloys; Non-conductive polymer surface-treated with a conductive material; Alternatively, ones made of a conductive polymer or the like may be used, but are not particularly limited thereto.
- the conductive material may be polyacetylene, polyaniline, polypyrrole, polythiophene and polysulfuride, ITO (Indum Thin Oxide), silver, palladium and nickel, and the like, but is not particularly limited thereto.
- the conductive polymer may be polyacetylene, polyaniline, polypyrrole, polythiophene, polysulfuritride, or the like, but is not particularly limited thereto.
- the inner electrode of the present invention may be a cathode or an anode, and the outer electrode may be an anode or a cathode corresponding to the inner electrode.
- the internal electrode and the external electrode includes an active material layer, the active material layer of the present invention is natural graphite, artificial graphite, carbonaceous material; Metals (Me) that are lithium-containing titanium composite oxide (LTO), Si, Sn, Li, Zn, Mg, Cd, Ce, Ni, or Fe; Alloys composed of the metals (Me); Oxides of the metals (Me) (MeOx); And a cathode active material layer including any one active material particles selected from the group consisting of metals (Me) and a composite of carbon or a mixture of two or more thereof, and also LiCoO 2 , LiNiO 2 , LiMn 2 O 4 , and LiCoPO.
- M1 and M2 are independently of each other Al, Ni, Co, Fe, Mn, V, Cr, Ti, W, Ta, Mg and Any one selected from the group consisting of Mo, and x, y and z are each independently an atomic fraction of the elements of the oxide composition 0 ⁇ x ⁇ 0.5, 0 ⁇ y ⁇ 0.5, 0 ⁇ z ⁇ 0.5, x + y + z ⁇ 1) any one active material particles selected from the group consisting of or a cathode active material layer containing a mixture of two or more thereof.
- an electrolyte layer or a separator may be used as the separation layer of the present invention.
- the electrolyte layer is not particularly limited in kind, but may be a gel polymer electrolyte using PEO, PVdF, PVdF-HFP, PMMA, PAN, or PVAC; Alternatively, it is preferable to use a solid electrolyte including PEO, polypropylene oxide (PPO), polyethylene imine (PEI), polyethylene sulphide (PES), or polyvinyl acetate (PVAc).
- the electrolyte layer may further include a lithium salt, and non-limiting examples of the lithium salt include LiCl, LiBr, LiI, LiClO 4 , LiBF 4 , LiB 10 Cl 10 , LiPF 6 , LiCF 3 SO 3 , and LiCF 3.
- the cable-type secondary battery of the present invention requires an electrolyte solution, and the separator is not limited to ethylene homopolymer, propylene homopolymer, ethylene-butene copolymer, and ethylene.
- a porous substrate formed of a mixture of inorganic particles and a binder polymer may be used.
- the cable-type secondary battery of the present invention includes a current collector having a metal tab at one end, even when a current collector having a relatively low mechanical strength is used, it can be compensated by using a metal tab having excellent strength. have.
- various types of electrode terminals may be manufactured using the metal tab.
- the metal tab is provided with an electrolyte leakage preventing layer, the electrolyte inside the cable type secondary battery can be prevented from leaking to the outside.
- FIG. 1 is a cross-sectional view of a cable type secondary battery including a wound external current collector having a metal tab.
- FIG. 2 is a cross-sectional view of a cable type secondary battery including a wound external current collector having a metal tab.
- FIG. 3 is a cross-sectional view of a cable type secondary battery including a conductive paste external current collector including a metal tab.
- FIG. 4 is a cross-sectional view of a metal tab on which an electrolyte leak prevention layer is formed.
- FIG. 5 is a cross-sectional view of a cable type secondary battery including a wound external current collector having a metal tab and a heat shrinkable tube protective coating having a leakproof layer formed thereon.
- FIG. 6 is a cross-sectional view of a cable type secondary battery including a wound external current collector having a metal tab on which a leakproof layer is formed and a heat shrinkable tube protective coating.
- FIG. 7 is a cross-sectional view of a cable type secondary battery including a conductive paste external current collector including a metal tab on which a leakproof layer is formed and a heat-shrinkable tube protective coating.
- the present invention provides a wire-type internal current collector having a first metal tab extending to a predetermined length at one end thereof; An internal electrode active material layer formed on a surface of the internal current collector; A separation layer formed on an outer surface of the inner electrode active material layer; And an external electrode formed on an outer surface of the separation layer, the external electrode having an external current collector including an external electrode active material layer and a second metal tab extending at a predetermined length at one end thereof.
- predetermined shape herein means that the shape is not particularly limited, and any shape that does not impair the nature of the present invention is possible.
- Predetermined length means that the length is not particularly limited, and any shape that does not impair the nature of the present invention is possible.
- the cable-type secondary battery of the present invention has a horizontal cross section of a predetermined shape, has a linear structure elongated in the longitudinal direction with respect to the horizontal cross section, and has flexibility so that deformation is free.
- the present invention is the cable-type secondary battery is a first electrolyte leakage prevention layer formed on the outer surface of the first metal tab; A second electrolyte leakage preventing layer formed on an outer surface of the second metal tab; And a protective coating covering the outer current collector and being in close contact with the outer current collector.
- FIG. 1 and 2 schematically illustrate an embodiment of a cable type secondary battery including a wound external current collector having a metal tab according to the present invention.
- the configuration described in the embodiments and drawings described below are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, which can be replaced at the time of the present application It should be understood that there may be various equivalents and variations.
- a cable type secondary battery 100 having a horizontal cross section of a predetermined shape and extending in a longitudinal direction includes a first metal tab 111 extending at a predetermined length at one end thereof.
- the present invention includes a first metal tab 111 extending to a predetermined length at one end of the wire-shaped internal current collector 110, the first metal tab 111 is an electron transfer path of the inside and outside of the battery Play a role.
- the internal current collector 110 of the present invention is not easy to secure a high mechanical strength in the form of a wire, it is also likely to cause deformation due to repeated use, in particular, the connection portion with the external device is concentrated stress The probability is relatively high. Therefore, the present invention is provided with a first metal tab 111 made of a metal material having excellent mechanical properties, and can solve this problem.
- the present invention includes a second metal tab 151 provided at one end of the external current collector 150.
- the external current collector 150 also has a high possibility of deformation due to repeated use.
- the connection portion with the external device has a high concentration of stress, so the deformation potential is relatively high. Therefore, the external current collector 150 of the present invention also includes the second metal tab 151 made of a metal material having excellent mechanical properties, thereby making up for this problem.
- first metal tab 111 and the second metal tab 151 are adopted to facilitate processing, various types of electrode terminals for connecting to an external device can be manufactured.
- the first metal tab 111 and the second metal tab 151 are not particularly limited in kind, but may preferably be made of a metal material having excellent mechanical strength. , Copper; Stainless steel surface-treated with carbon, nickel, titanium, or silver; Aluminum-Cadmium Alloy And the like can be used.
- the first metal tab 111 and the second metal tab 151 may be formed by welding a cross section of one end of the current collector 110 and 150.
- the second metal tab 251 is not formed at one end of the end of the outer current collector 250, but is equivalent to the second metal tab 251 on the outer surface of the outer current collector 250.
- the portions can be formed in direct contact.
- the second metal tab may be welded, the second metal tab may be formed by packaging the outer current collector 250 and the second metal tab 251 together using a heat shrink tube without using welding.
- a wire type current collector 250 wound by an external current collector of the present invention may be used. Since the wound wire type current collector 250 has elasticity and excellent flexibility, it may contribute to improving flexibility of the overall cable type secondary battery.
- an external current collector 350 including a conductive paste may be used as the external current collector of the present invention.
- the first electrolyte leakage prevention layer formed on the outer surface of the first metal tab; A second electrolyte leakage preventing layer formed on an outer surface of the second metal tab; And a protective coating covering the outer current collector and being in close contact with the outer current collector.
- FIGS. 5 and 6 are wound outer current collectors having a metal tab and a heat-shrinkable tube protective coating having a leakproof layer according to the present invention.
- An embodiment of a cable type secondary battery including is schematically shown. However, the configuration described in the embodiments and drawings described below are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, which can be replaced at the time of the present application It should be understood that there may be various equivalents and variations.
- the cable type secondary battery 400 having a horizontal cross-section having a predetermined shape according to the present invention and extending in the length direction has a first metal tab 411 and the first metal tab extending at a predetermined length at one end thereof.
- a wire-type internal current collector 410 having a first electrolyte leakage preventing layer 412 formed on an outer surface of the metal tab 411;
- An internal electrode active material layer 420 formed on a surface of the internal current collector 410;
- a separation layer 430 formed on an outer surface of the inner electrode active material layer 420;
- An external electrode active material layer 440 formed on an outer surface of the separation layer 430;
- a second electrolyte formed on an outer surface of the external electrode active material layer 440 and extending on one end thereof to a predetermined length and a second electrolyte leak formed on an outer surface of the second metal tab 451
- An external current collector 450 having a prevention layer 452;
- a protective coating 460 covering the outer current collector 450 and being in close contact
- Secondary batteries require an electrolyte.
- an electrolyte may be a liquid material or a gel material.
- the present invention since the linear shape and the wire-type current collector and the pipe-type current collector are used, it is not easy to form a protective coating to prevent leakage of the electrolyte.
- the present invention includes an electrolyte leak prevention layer 2 on the surface of the metal tab 1 connected to the current collector, so that a strong bond with an outer coating including a heat shrink tube is possible, thereby preventing leakage of the electrolyte. You can prevent it.
- the electrolyte leakage preventing layer 2 may be made of a heat-adhesive polymer film or a heat shrink tube, and the electrolyte leakage preventing layer 2 may improve adhesion to the outer coating with the metal tab 1. As a result, leakage of the electrolyte can be prevented.
- the use of the metal tab 1 having the electrolyte leakage preventing layer 2 formed on the surface indirectly increases the diameter of the current collector, thereby increasing the bondability due to heat shrinkage of the outer coating including the heat shrink tube. You can.
- the heat-adhesive polymer film is not particularly limited in kind, but may be polyethylene, polypropylene, polyethylene terephthalate, polyamide, and polyimide. And the like may be used.
- the second metal tab 551 is not formed at one end of the end of the outer current collector 550, but is equivalent to the second metal tab 551 on the outer surface of the outer current collector 550.
- the portions can be formed in direct contact.
- the second metal tab may be welded, the second metal tab may be formed by packaging the outer current collector 550 and the second metal tab 551 together using a heat shrink tube without welding.
- a wire type current collector 650 wound with an external current collector of the present invention may be used. Since the wound wire type current collector 650 has elasticity and excellent flexibility, it may contribute to improving flexibility of the overall cable type secondary battery.
- an external current collector 350 including a conductive paste may be used as the external current collector of the present invention.
- the first metal tab and the second metal tab are independently of each other, stainless steel, aluminum, nickel, titanium, calcined carbon, copper; Stainless steel surface-treated with carbon, nickel, titanium, or silver; One made of an aluminum-cadmium alloy can be used.
- the first electrolyte leakage preventing layer and the second electrolyte leakage preventing layer may include, independently of each other, a heat-adhesive polymer film or a heat shrink tube, wherein the heat-adhesive polymer film is polyethylene, polypropylene, polyethylene terephthalate, polyamide and Polyimide may be included.
- the external electrode includes an external electrode active material layer formed to surround the outer surface of the separation layer and an external current collector formed to surround the outer surface of the external electrode active material layer, or an external current collector formed to surround the outer surface of the separation layer and the An external electrode active material layer formed to surround the outer surface of the external current collector, or an external current collector formed to surround the outer surface of the separation layer and an external electrode active material layer formed to contact the separation layer and surround the outer surface of the external current collector Or
- the external current collector may be a pipe current collector, a wound wire current collector, a wound sheet current collector or a mesh current collector, or may include a wound wire current collector.
- the contact area with the active material layer is sufficiently wide, thereby ensuring a certain level of battery performance.
- the external electrode active material layer of the present invention is formed in the form of an active material slurry, for example, is coated on the outer surface of the external current collector, the external electrode active material layer may be in contact with the separation layer.
- the external current collector may be formed by covering the inside of the external electrode active material layer and surrounding the outer surface of the separation layer by being spaced apart by the external electrode active material layer. Since the electrical contact between the electrode active material (electric contact) can be improved, it contributes to the improvement of the characteristics of the battery.
- the wound wire external current collector has elasticity due to its shape, and the flexibility of the overall cable type secondary battery It will serve to improve
- the wire-type external current collector of the present invention since the wire-type external current collector of the present invention has little excessive deformation such as being wrinkled or bent due to its shape, a short circuit caused by contact with the internal current collector There is little worry.
- the external current collector is stainless steel, aluminum, nickel, titanium, calcined carbon, copper; Stainless steel surface-treated with carbon, nickel, titanium, or silver; Aluminum-cadmium alloys; Non-conductive polymer surface-treated with a conductive material; Or it may be used made of a conductive polymer, but is not particularly limited thereto.
- the conductive material may be polyacetylene, polyaniline, polypyrrole, polythiophene and polysulfuride, ITO (Indum Thin Oxide), silver, palladium and nickel, and the like, but is not particularly limited thereto.
- the conductive polymer may be polyacetylene, polyaniline, polypyrrole, polythiophene, polysulfuritride, or the like, but is not particularly limited thereto.
- the external current collector may include a conductive paste.
- the conductive paste generally has a coating ability to form a coating film, and when the electricity flows through the dried coating film, the paste used is called a conductive paste, and these conductive pastes are prepared by dispersing a powder of a conductive material in a binder. Since the external current collector formed of the conductive paste has excellent flexibility, flexibility of the cable type secondary battery including the same may be improved. In addition, since the external current collector formed of the conductive paste is a lightweight material having a lighter weight than the current collector made of a general metal, it may contribute to the weight reduction of the cable type secondary battery.
- the external current collector formed of the conductive paste of the present invention has excellent flexibility, so that there is little excessive deformation such as being wrinkled or bent. Less worry about short circuits.
- the external current collector formed of the conductive paste is formed by applying to the outer surface of the external electrode active material layer during the manufacturing process due to the physical property of the paste, so that the contact characteristics with the external electrode active material layer are excellent, thereby the battery by the external force Desorption of the electrode active material due to the modification of can be effectively prevented.
- a metal paste or a carbon paste may be used.
- the metal paste preferably contains one or two or more metal powders and binders selected from Ni, Al, Au, Ag, Al, Pd / Ag, Cr, Ta, Cu, Ba, and ITO.
- the binder is not particularly limited in its kind, but acrylic resins, vinyl resins, hydroxy cellulose, methyl cellulose, nitro cellulose, ethylene cellulose, and modified resins of the above resins are preferably used.
- the carbon paste may include one or two or more carbon powders and a binder selected from graphite, carbon black, and carbon nanotubes, and may further include a conductive material.
- the binder is not particularly limited in its kind, but acrylic resins, vinyl resins, hydroxy cellulose, methyl cellulose, nitro cellulose, ethylene cellulose, and modified resins of the above resins are preferably used.
- the internal current collector is a surface treated with carbon, nickel, titanium, silver on the surface of stainless steel, aluminum, nickel, titanium, calcined carbon, copper or stainless steel, vision treated with aluminum-cadmium alloy, conductive material It is preferable to use a conductive polymer or a conductive polymer.
- the internal current collector serves to collect electrons generated by the electrochemical reaction of the active material or to supply electrons required for the electrochemical reaction.
- a metal such as copper or aluminum is used.
- it is relatively more flexible than using a metal such as copper or aluminum.
- it is possible to achieve the light weight of the battery by using a polymer current collector in place of the metal current collector.
- Such conductive materials may be polyacetylene, polyaniline, polypyrrole, polythiophene and polysulfuride, ITO (Indum Thin Oxide), silver, palladium and nickel, and the conductive polymer may be polyacetylene, polyaniline, polypyrrole, polythiol Offen, polysulfuritride and the like can be used.
- the non-conductive polymer used for the current collector is not particularly limited in kind.
- the inner electrode may be a cathode or an anode
- the outer electrode may be an anode or a cathode corresponding to the outer electrode
- the electrode active material layer of the present invention functions to move ions through a current collector, and the movement of these ions is caused by interaction through occlusion of ions from the electrolyte layer and release of ions into the electrolyte layer.
- the electrode active material layer is a negative electrode active material, natural graphite, artificial graphite, carbonaceous material; Metals (Me) that are lithium-containing titanium composite oxide (LTO), Si, Sn, Li, Zn, Mg, Cd, Ce, Ni, or Fe; Alloys composed of the metals (Me); Oxides of the metals (Me) (MeOx); And it may include any one active material particles or a mixture of two or more of them selected from the group consisting of the metal (Me) and a composite of carbon, LiCoO 2 , LiNiO 2 , LiMn 2 O 4 , LiCoPO 4 , LiFePO 4 , LiNiMnCoO 2 and LiNi 1-xyz Co x M1
- an electrolyte layer or a separator may be used as the separation layer of the present invention.
- the electrolyte layer serving as a passage for these ions may be a gel polymer electrolyte using PEO, PVdF, PMMA, PAN, or PVAC or PEO, polypropylene oxide (PPO), polyethylene imine (PEI), polyethylene sulphide (PES), or polyvinyl acetate (PVAc). Solid electrolyte using the same.
- the matrix of the solid electrolyte is preferably made of polymer or ceramic glass as a basic skeleton. In the case of a general polymer electrolyte, even if the ion conductivity is satisfied, ions may move very slowly in terms of reaction rate, and therefore, it is preferable to use an electrolyte of a gel polymer having easier movement of ions than a solid.
- the gel polymer electrolyte is not excellent in mechanical properties, it may include a pore structure support or a crosslinked polymer to compensate for this. Since the electrolyte layer of the present invention may serve as a separator, a separate separator may not be used.
- the electrolyte layer of the present invention may further include a lithium salt.
- Lithium salts can improve ionic conductivity and reaction rate, non-limiting examples of which are LiCl, LiBr, LiI, LiClO 4 , LiBF 4 , LiB 10 Cl 10 , LiPF 6 , LiCF 3 SO 3 , LiCF 3 CO 2, LiAsF 6, LiSbF 6, LiAlCl 4, CH 3 SO 3 Li, CF 3 SO 3 Li, (CF 3 SO 2) 2 NLi, chloro may borane lithium, lower aliphatic carboxylic acid lithium, and tetraphenyl lithium borate available .
- the cable-type secondary battery of the present invention requires an electrolyte solution, and the separator is not limited to ethylene homopolymer, propylene homopolymer, ethylene-butene copolymer, and ethylene.
- a porous substrate formed of a mixture of inorganic particles and a binder polymer may be used.
- the polyester, polyacetal, polyamide, polycarbonate, polyimide, polyetheretherketone, polyethersulfone, polyphenylene oxide, and polyphenylene sulfone It is preferable to use a separator of a nonwoven material corresponding to a porous substrate made of a polymer selected from the group consisting of pit and polyethylene naphthalene.
- the present invention includes a protective coating on the outer surface of the outer current collector, the protective coating is formed on the outer surface of the outer current collector to protect the electrode against moisture and external impact in the air as an insulator.
- a conventional polymer resin can be used.
- PVC, HDPE or epoxy resin can be used.
- the present invention may also include a heat shrink tube. Heat-shrinkable tubing is a tube that shrinks when heated, and tightly wraps terminals or other materials of different shapes and sizes, usually made of polymer resin and used for insulation or other purposes. Since the heat shrink tube has a commercially available heat shrink tube having a variety of materials and forms, it can be easily obtained and used for the purpose of the present invention.
- the heat shrink tube inserts the heat shrink tube into the lithium ion battery using an automatic coating machine and thermally contracts the heat shrink tube, it is necessary that the heat shrink tube has rigidity enough to support itself with the inlet open. Do. In addition, in order not to cause thermal damage to a lithium battery, it is necessary to make the temperature of shrinkage processing low, and it is generally required to complete shrinkage at the temperature of 120 degrees C or less.
- the method of the present invention for forming a protective coating of a cable type secondary battery using a heat shrink tube does not require a post-treatment process such as a drying process, so that the manufacturing method can be simplified and a continuous process is possible.
- a post-treatment process such as a drying process
- Cable type secondary battery 100 of the present invention having a horizontal cross-section of a predetermined shape according to an embodiment extending in the longitudinal direction, the wire having a first metal tab 111 extending to a predetermined length at one end thereof
- Internal current collector 110 An internal electrode active material layer 120 formed on a surface of the internal current collector 110;
- a separation layer 130 formed on an outer surface of the inner electrode active material layer 120;
- An external electrode active material layer 140 formed on an outer surface of the separation layer 130;
- an external current collector 150 formed on an outer surface of the external electrode active material layer 140 and having a second metal tab 151 extending at a predetermined length at one end thereof.
- the negative electrode current collector 110 having a linear wire shape is prepared, and the negative electrode active material layer 120 is coated on the surface of the negative electrode current collector 110.
- a general coating method may be applied as such a coating method. Specifically, an electroplating or anodizing process may be used, but in order to maintain a constant gap, an electrode slurry containing an active material may be extruded. It is preferable to manufacture using a method of extrusion coating discontinuously through. It is preferable to use the method of extrusion coating discontinuously through. In addition, when coating using an electrode slurry containing an active material, it is also possible to manufacture using a dip coating method or an extrusion coating method using an extruder.
- a separation layer 130 which is an electrolyte layer, is formed to surround the anode active material layer 120.
- the method of forming the separation layer 130, which is the electrolyte layer is also not particularly limited, but it is easy to manufacture using an extrusion coating method due to the characteristics of the linear cable type secondary battery.
- the coating method of the negative electrode active material layer 120 may be equally applied to the coating of the positive electrode active material layer 140.
- a wire-type current collector is prepared and wound on the outer surface of the positive electrode active material layer 140 to form a positive electrode current collector 150 to manufacture an electrode assembly.
- the first metal tab 111 is attached to one end surface of the negative electrode current collector 110 by welding, and the second metal tab 111 is attached to one end surface of the positive electrode current collector 150 by welding. .
- a protective coating is formed to surround the outer surface of the electrode assembly.
- the protective coating is formed on the outermost surface to protect the electrode against moisture and external shock in the air as an insulator.
- a conventional polymer resin may be used.
- PVC, HDPE, or epoxy resin may be used.
- the cable type secondary battery may include an internal electrode using a plurality of negative electrode current collectors coated with a negative electrode active material.
- the balance between the negative electrode and the positive electrode may be easily adjusted and a plurality of electrodes may be provided to prevent the possibility of disconnection. can do.
- the cable type secondary battery 400 having a horizontal cross section of a predetermined shape and extending in a length direction includes a first metal tab 411 and the first metal extending at a predetermined length at one end thereof.
- a wire-type internal current collector 410 having a first electrolyte leakage preventing layer 412 formed on an outer surface of the tab 411;
- An internal electrode active material layer 420 formed on a surface of the internal current collector 410;
- a separation layer 430 formed on an outer surface of the inner electrode active material layer 420;
- An external current collector 450 having a prevention layer 452;
- a protective coating 460 covering the outer current collector 450 and being in close contact with each other and including a heat-
- a first metal tab 411 having a first electrolyte leakage preventing layer 412 formed by welding is attached to one end surface of the negative electrode current collector 410, and the positive electrode current collector 450
- the second metal tab 451 having the second electrolyte leakage preventing layer 452 formed by welding is attached to one end surface of the c), and finally, a protective coating 460 is formed to surround the outer surface of the electrode assembly.
- a cable type secondary battery is manufactured by the same method as the method of manufacturing the cable type secondary battery of FIG. 1, except that a protective coating is formed by inserting the prepared electrode assembly using a PET-based heat shrink tube.
- the cable type secondary of FIG. A cable type secondary battery is manufactured by the same method as the battery manufacturing method.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Cell Separators (AREA)
Abstract
Description
Claims (28)
- 그 한쪽 단에 소정 길이로 연장 형성되는 제1 금속탭을 구비하는 와이어형 내부집전체;상기 내부집전체의 표면에 형성되는 내부전극 활물질층;상기 내부전극 활물질층의 외면에 형성되어 있는 분리층; 및상기 분리층 외면에 형성되고, 외부전극 활물질층과 그 한쪽 단에 소정 길이로 연장되는 제2금속탭을 구비하는 외부집전체를 가지는 외부전극;을 포함하는 소정 형상의 수평 단면을 가지고 길이 방향으로 연장된 케이블형 이차전지.
- 제1항에 있어서,상기 케이블형 이차전지는, 상기 제1 금속탭의 외면에 형성되는 제1 전해질 누출방지층;상기 제2 금속탭 외면에 형성되는 제2 전해질 누출방지층; 및상기 외부집전체를 감싸며 밀착되어 있으며 열수축된 튜브를 포함하는 보호피복을 더 구비하는 것을 특징으로 하는 케이블형 이차전지.
- 제1항 또는 제2항에 있어서,상기 제1 금속탭 및 상기 제2 금속탭은 서로 독립적으로, 스테인리스스틸, 알루미늄, 니켈, 티탄, 소성탄소, 구리; 카본, 니켈, 티탄 또는 은으로 표면처리된 스테인리스스틸; 알루미늄-카드뮴합금으로 제조된 것을 특징으로 하는 케이블형 이차전지.
- 제2항에 있어서,상기 제1 전해질 누출방지층 및 제2 전해질 누출방지층은 서로 독립적으로, 열접착성 고분자 필름 또는 열수축 튜브를 포함하는 것을 특징으로 하는 케이블형 이차전지.
- 제4항에 있어서,상기 열접착성 고분자 필름은 폴리에틸렌, 폴리프로필렌, 폴리에틸렌 테레프탈레이트, 폴리아미드 및 폴리이미드를 포함하는 것을 특징으로 하는 케이블형 이차전지.
- 제1항 또는 제2항에 있어서,상기 외부전극은, 상기 분리층의 외면을 둘러싸며 형성된 외부전극 활물질층과 상기 외부전극 활물질층의 외면을 둘러싸며 형성된 외부집전체를 구비하거나,상기 분리층의 외면을 둘러싸며 형성된 외부집전체와 상기 외부집전체의 외면을 둘러싸며 형성된 외부전극 활물질층을 구비하거나,상기 분리층의 외면을 둘러싸며 형성된 외부집전체와 상기 외부집전체의 외면을 둘러싸며 상기 분리층과 접촉하도록 형성된 외부전극 활물질층을 구비하거나, 또는상기 분리층의 외면을 둘러싸며 형성된 외부전극 활물질층, 및 상기 외부전극 활물질층 내에 피복되어 있고, 상기 분리층의 외면을 이격된 상태로 둘러싸며 형성된 외부집전체를 구비하는 것을 특징으로 하는 케이블형 이차전지.
- 제1항 또는 제2항에 있어서,상기 외부집전체는 파이프형 집전체, 권선된 와이어형 집전체, 권선된 시트형 집전체 또는 메쉬형 집전체인 것을 특징으로 하는 케이블형 이차전지.
- 제1항 또는 제2항에 있어서,상기 외부집전체는 권선된 와어어형 집전체를 포함하는 것을 특징으로 하는 케이블형 이차전지.
- 제1항 또는 제2항에 있어서,상기 외부집전체는 스테인리스스틸, 알루미늄, 니켈, 티탄, 소성탄소, 구리; 카본, 니켈, 티탄 또는 은으로 표면처리된 스테인리스스틸; 알루미늄-카드뮴합금; 도전재로 표면처리된 비전도성 고분자; 또는 전도성 고분자로 제조된 것을 특징으로 하는 케이블형 이차전지.
- 제9항에 있어서,상기 도전재는 폴리아세틸렌, 폴리아닐린, 폴리피롤, 폴리티오펜 및 폴리설퍼니트리드, ITO(Indum Thin Oxide), 은, 팔라듐 및 니켈 중에서 선택된 1종 또는 2종 이상의 혼합물인 것을 특징으로 하는 케이블형 이차전지.
- 제9항에 있어서,상기 전도성 고분자는 폴리아세틸렌, 폴리아닐린, 폴리피롤, 폴리티오펜 및 폴리설퍼니트리드 중에서 선택된 1종의 화합물 또는 2종 이상의 혼합물인 고분자인 것을 특징으로 하는 케이블형 이차전지.
- 제1항 또는 제2항에 있어서,상기 외부집전체는 전도성 페이스트를 포함하는 것을 특징으로 하는 케이블형 이차전지.
- 제12항에 있어서,상기 전도성 페이스트는 금속 페이스트 또는 탄소 페이스트인 것을 특징으로 하는 케이블형 이차전지.
- 제13항에 있어서,상기 금속 페이스트는 Ni, Al, Au, Ag, Al, Pd/Ag, Cr, Ta, Cu, Ba 및 ITO 중에서 선택된 1종 또는 2종 이상의 금속분말 및 바인더를 포함하는 것을 특징으로 하는 케이블형 이차전지.
- 제14항에 있어서,상기 바인더는 아크릴계 수지, 비닐계 수지, 하이드록시 셀룰로스, 메틸셀룰로스, 니트로 셀루로스, 에틸렌 셀룰로스 및 상기 수지들의 변성수지 중에서 선택된 1종의 화합물 또는 2종 이상의 혼합물인 것을 특징으로 하는 케이블형 이차전지.
- 제13항에 있어서,상기 탄소 페이스트는 흑연, 카본블랙 및 탄소나노튜브 중에서 선택된 1종 또는 2종 이상의 탄소분말 및 바인더를 포함하는 것을 특징으로 하는 케이블형 이차전지.
- 제16항에 있어서,상기 바인더는 아크릴계 수지, 비닐계 수지, 하이드록시 셀룰로스, 메틸셀룰로스, 니트로 셀루로스, 에틸렌 셀룰로스 및 상기 수지들의 변성수지 중에서 선택된 1종의 화합물 또는 2종 이상의 혼합물인 것을 특징으로 하는 케이블형 이차전지.
- 제1항 또는 제2항에 있어서,상기 내부집전체는 스테인리스스틸, 알루미늄, 니켈, 티탄, 소성탄소, 구리; 카본, 니켈, 티탄 또는 은으로 표면처리된 스테인리스스틸; 알루미늄-카드뮴합금; 도전재로 표면처리된 비전도성 고분자; 또는 전도성 고분자로 제조된 것을 특징으로 하는 케이블형 이차전지.
- 제18항에 있어서,상기 도전재는 폴리아세틸렌, 폴리아닐린, 폴리피롤, 폴리티오펜 및 폴리설퍼니트리드, ITO(Indum Thin Oxide), 은, 팔라듐 및 니켈 중에서 선택된 1종 또는 2종 이상의 혼합물인 것을 특징으로 하는 케이블형 이차전지.
- 제18항에 있어서,상기 전도성 고분자는 폴리아세틸렌, 폴리아닐린, 폴리피롤, 폴리티오펜 및 폴리설퍼니트리드 중에서 선택된 1종의 화합물 또는 2종 이상의 혼합물인 고분자인 것을 특징으로 하는 케이블형 이차전지.
- 제1항 또는 제2항에 있어서,상기 내부전극은 음극 또는 양극이고, 상기 외부전극은 이러한 내부전극에 상응하는 양극 또는 음극인 것을 특징으로 하는 케이블형 이차전지.
- 제1항 또는 제2항에 있어서,상기 내부전극이 음극이고, 상기 외부전극이 양극인 경우,상기 내부전극 활물질층은 천연흑연, 인조흑연, 탄소질재료; 리튬 함유 티타늄 복합 산화물(LTO), Si, Sn, Li, Zn, Mg, Cd, Ce, Ni 또는 Fe인 금속류(Me); 상기 금속류(Me)로 구성된 합금류; 상기 금속류(Me)의 산화물(MeOx); 및 상기 금속류(Me)와 탄소와의 복합체로 이루어진 군으로부터 선택된 어느 하나의 활물질 입자 또는 이들 중 2종 이상의 혼합물을 포함하고,상기 외부전극 활물질층은 LiCoO2, LiNiO2, LiMn2O4, LiCoPO4, LiFePO4, LiNiMnCoO2 및 LiNi 1-x-y-zCoxM1yM2zO2(M1 및 M2는 서로 독립적으로 Al, Ni, Co, Fe, Mn, V, Cr, Ti, W, Ta, Mg 및 Mo로 이루어진 군으로부터 선택된 어느 하나이고, x, y 및 z는 서로 독립적으로 산화물 조성 원소들의 원자 분율로서 0 ≤ x < 0.5, 0 ≤ y < 0.5, 0 ≤ z < 0.5, x+y+z ≤ 1임)로 이루어진 군으로부터 선택된 어느 하나의 활물질 입자 또는 이들 중 2종 이상을 포함하는 것을 특징으로 하는 케이블형 이차전지.
- 제1항 또는 제2항에 있어서,상기 내부전극이 양극이고, 상기 외부전극이 음극인 경우,상기 내부전극 활물질층은 LiCoO2, LiNiO2, LiMn2O4, LiCoPO4, LiFePO4, LiNiMnCoO2 및 LiNi 1-x-y-zCoxM1yM2zO2(M1 및 M2는 서로 독립적으로 Al, Ni, Co, Fe, Mn, V, Cr, Ti, W, Ta, Mg 및 Mo로 이루어진 군으로부터 선택된 어느 하나이고, x, y 및 z는 서로 독립적으로 산화물 조성 원소들의 원자 분율로서 0 ≤ x < 0.5, 0 ≤ y < 0.5, 0 ≤ z < 0.5, x+y+z ≤ 1임)로 이루어진 군으로부터 선택된 어느 하나의 활물질 입자 또는 이들 중 2종 이상의 혼합물을 포함하고,상기 외부전극 활물질층은 천연흑연, 인조흑연, 탄소질재료; 리튬 함유 티타늄 복합 산화물(LTO), Si, Sn, Li, Zn, Mg, Cd, Ce, Ni 또는 Fe인 금속류(Me); 상기 금속류(Me)로 구성된 합금류; 상기 금속류(Me)의 산화물(MeOx); 및 상기 금속류(Me)와 탄소와의 복합체로 이루어진 군으로부터 선택된 어느 하나의 활물질 입자 또는 이들 중 2종 이상의 혼합물을 포함하는 것을 특징으로 하는 케이블형 이차전지.
- 제1항 또는 제2항에 에 있어서,상기 분리층은 전해질층 또는 세퍼레이터인 것을 특징으로 하는 케이블형 이차전지.
- 제24항에 있어서,상기 전해질층은 PEO, PVdF, PVdF-HFP, PMMA, PAN 또는 PVAC를 사용한 겔형 고분자 전해질; 또는 PEO, PPO(polypropylene oxide), PEI(polyethylene imine), PES(polyethylene sulphide) 또는 PVAc(polyvinyl acetate)를 사용한 고체 전해질; 중에서 선택된 전해질을 포함하는 것을 특징으로 하는 케이블형 이차전지.
- 제24항에 있어서,상기 전해질층은 리튬염을 더 포함하는 것을 특징으로 하는 케이블형 이차전지.
- 제26항에 있어서,상기 리튬염은 LiCl, LiBr, LiI, LiClO4, LiBF4, LiB10Cl10, LiPF6, LiCF3SO3, LiCF3CO2, LiAsF6, LiSbF6, LiAlCl4, CH3SO3Li, CF3SO3Li, (CF3SO2)2NLi, 클로로보란리튬, 저급지방족카르본산리튬 및 테트라페닐붕산리튬 중에서 선택된 1종 또는 2종 이상인 것을 특징으로 하는 케이블형 이차전지.
- 제24항에 있어서,상기 세퍼레이터는 에틸렌 단독중합체, 프로필렌 단독중합체, 에틸렌-부텐 공중합체, 에틸렌-헥센 공중합체 및 에틸렌-메타크릴레이트 공중합체로 이루어진 군에서 선택된 폴리올레핀계 고분자로 제조한 다공성 기재; 폴리에스테르, 폴리아세탈, 폴리아미드, 폴리카보네이트, 폴리이미드, 폴리에테르에테르케톤, 폴리에테르설폰, 폴리페닐렌옥사이드, 폴리페닐렌설파이트 및 폴리에틸렌나프탈렌으로 이루어진 군에서 선택된 고분자로 제조한 다공성 기재; 또는 무기물 입자 및 바인더 고분자의 혼합물로 형성된 다공성 기재인 것을 특징으로 하는 케이블형 이차전지.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12846759.4A EP2775558B1 (en) | 2011-11-02 | 2012-11-02 | Cable-type secondary battery |
CN201280053807.0A CN104025361B (zh) | 2011-11-02 | 2012-11-02 | 线缆型二次电池 |
JP2014539879A JP6129196B2 (ja) | 2011-11-02 | 2012-11-02 | ケーブル型二次電池 |
US13/937,517 US9680155B2 (en) | 2011-11-02 | 2013-07-09 | Cable-type secondary battery |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2011-0113516 | 2011-11-02 | ||
KR20110113517 | 2011-11-02 | ||
KR10-2011-0113517 | 2011-11-02 | ||
KR20110113516 | 2011-11-02 | ||
KR10-2012-0123118 | 2012-11-01 | ||
KR20120123118A KR101483686B1 (ko) | 2011-11-02 | 2012-11-01 | 케이블형 이차전지 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/937,517 Continuation US9680155B2 (en) | 2011-11-02 | 2013-07-09 | Cable-type secondary battery |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013066117A1 true WO2013066117A1 (ko) | 2013-05-10 |
Family
ID=48659691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2012/009205 WO2013066117A1 (ko) | 2011-11-02 | 2012-11-02 | 케이블형 이차전지 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9680155B2 (ko) |
EP (1) | EP2775558B1 (ko) |
JP (1) | JP6129196B2 (ko) |
KR (1) | KR101483686B1 (ko) |
CN (1) | CN104025361B (ko) |
WO (1) | WO2013066117A1 (ko) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5695802B2 (ja) * | 2011-10-25 | 2015-04-08 | エルジー・ケム・リミテッド | ケーブル型二次電池 |
CN104067417B (zh) * | 2012-12-12 | 2016-11-23 | 株式会社Lg化学 | 二次电池用电极、包含其的二次电池和线缆型二次电池 |
KR101479460B1 (ko) | 2012-12-12 | 2015-01-05 | 주식회사 엘지화학 | 이차전지용 전극, 그를 포함하는 이차전지 및 케이블형 이차전지 |
CN105555466B (zh) * | 2013-10-18 | 2018-03-16 | Lg化学株式会社 | 焊接线缆电池的电极层的金属片的方法及由此制造的电极 |
WO2015057024A1 (ko) * | 2013-10-18 | 2015-04-23 | 주식회사 엘지화학 | 케이블 전지용 전극층의 금속탭 용접 방법 및 이에 의하여 제조된 전극 |
DE102016001287B4 (de) * | 2016-02-05 | 2020-03-05 | Switop Gmbh | Akkublock mit mehreren Akkuzellen, Verwendung eines Akkublocks in einem elektrischen Gerät und Verfahren zur Herstellung eines Akkublocks |
WO2019003476A1 (ja) * | 2017-06-29 | 2019-01-03 | 日立化成株式会社 | 活物質保持用チューブ及びその製造方法、電極並びに鉛蓄電池 |
WO2020075513A1 (ja) * | 2018-10-12 | 2020-04-16 | 株式会社村田製作所 | 可撓性糸電池及びコネクタ付き可撓性糸電池 |
DE102018221904A1 (de) * | 2018-12-17 | 2020-06-18 | Robert Bosch Gmbh | Elektrodeneinheit für eine Batteriezelle, Batteriezelle und Verfahren zur Herstellung einer Elektrodeneinheit |
CN110854322A (zh) * | 2019-09-20 | 2020-02-28 | 杭州乾代科技有限公司 | 模块化锂电池模组 |
JP7322731B2 (ja) | 2020-01-31 | 2023-08-08 | トヨタ自動車株式会社 | 全固体電池 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH097629A (ja) * | 1995-06-14 | 1997-01-10 | Mitsubishi Materials Corp | チューブ状電池 |
KR20030081499A (ko) * | 2001-03-06 | 2003-10-17 | 누베라 퓨엘 셀스 유로프 에스.아르.엘. | 필터 프레스 구조의 기능 부전 기본 전기화학 전지의단회로화 방법 |
KR100742739B1 (ko) | 2005-07-15 | 2007-07-25 | 경상대학교산학협력단 | 직조가 쉬운 실 형태의 가변형 전지 |
KR100804411B1 (ko) | 2006-01-17 | 2008-02-20 | 주식회사 엘지화학 | 신규한 구조의 전극조립체 및 이를 포함하는 것으로 구성된이차전지 |
KR20090009598A (ko) * | 2007-07-20 | 2009-01-23 | 경상대학교산학협력단 | 무선 충전용 선형 전지 |
KR20110054557A (ko) * | 2009-11-18 | 2011-05-25 | 주식회사 엘지화학 | 리튬 이차전지의 전극용 바인더, 이를 구비한 전극 및 리튬 이차전지 |
KR20110090768A (ko) * | 2010-02-02 | 2011-08-10 | 주식회사 엘지화학 | 케이블형 이차전지의 제조방법 |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0770328B2 (ja) * | 1986-11-08 | 1995-07-31 | 旭化成工業株式会社 | 二次電池 |
GB8804860D0 (en) | 1988-03-01 | 1988-03-30 | Ici Plc | Solid electrolyte devices |
US5154993A (en) * | 1990-04-27 | 1992-10-13 | Eveready Battery Company, Inc. | Electrode strips for coiled assemblies and method of producing them |
US5250373A (en) * | 1991-09-10 | 1993-10-05 | Wilson Greatbatch Ltd. | Internal electrode and assembly method for electrochemical cells |
JP3407501B2 (ja) * | 1995-09-29 | 2003-05-19 | 松下電器産業株式会社 | ポリマ電解質およびそれを用いたリチウム・ポリマ電池 |
US5795680A (en) * | 1995-11-30 | 1998-08-18 | Asahi Glass Company Ltd. | Non-aqueous electrolyte type secondary battery |
US5750286A (en) * | 1996-07-31 | 1998-05-12 | Wilson Greatbatch Ltd. | Dual connection tab current collector |
US6054233A (en) * | 1998-05-08 | 2000-04-25 | Eveready Battery Company, Inc. | Destruction controlling mechanism for an electrochemical cell |
KR100456647B1 (ko) * | 1999-08-05 | 2004-11-10 | 에스케이씨 주식회사 | 리튬 이온 폴리머 전지 |
JP2001110445A (ja) * | 1999-10-12 | 2001-04-20 | Sony Corp | コード型バッテリ |
JP2001110244A (ja) * | 1999-10-12 | 2001-04-20 | Sony Corp | バッテリケーブル |
CN1236507C (zh) | 2000-03-17 | 2006-01-11 | Tdk株式会社 | 电化学装置 |
JP2005011556A (ja) | 2003-06-17 | 2005-01-13 | Ngk Spark Plug Co Ltd | 積層型電池およびその製造方法 |
JP2005085675A (ja) * | 2003-09-10 | 2005-03-31 | Nissan Motor Co Ltd | ポリマー二次電池、組電池、およびこれを用いた自動車 |
KR100625892B1 (ko) | 2004-04-12 | 2006-09-20 | 경상대학교산학협력단 | 실형태의 가변형 전지 |
CN102731435B (zh) * | 2005-01-12 | 2015-04-01 | 大塚化学株式会社 | 季铵盐、电解质、电解液以及电化学装置 |
KR101425654B1 (ko) * | 2005-01-20 | 2014-07-31 | 오티콘 에이/에스 | 충전 배터리를 구비한 보청기 및 충전 배터리 |
US8576162B2 (en) | 2005-03-14 | 2013-11-05 | Sipix Imaging, Inc. | Manufacturing processes of backplane for segment displays |
AU2006280097A1 (en) * | 2005-08-09 | 2007-02-22 | Polyplus Battery Company | Compliant seal structures for protected active metal anodes |
JP2007095465A (ja) * | 2005-09-28 | 2007-04-12 | Sanyo Electric Co Ltd | 封口電池及びその製造方法 |
US20090035657A1 (en) * | 2006-10-23 | 2009-02-05 | Buiel Edward R | Electrode for Hybrid Energy Storage Device and Method of Making Same |
US8071251B2 (en) | 2007-11-19 | 2011-12-06 | Microcell Corporation | Fuel cell module including microcells |
EP2357691A4 (en) | 2008-11-04 | 2013-01-23 | Nat University Iwate Univ Inc | NON-ST-CHIOMETRIC TITANIUM COMPOUND, CARBON COMPOSITE THEREOF, PROCESS FOR PRODUCING THE COMPOUND, NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM-ION SECONDARY CELL CONTAINING THE COMPOUND, AND LITHIUM-ION SECONDARY CELL USING THE ACTIVE MATERIAL NEGATIVE ELECTRODE |
KR101056378B1 (ko) | 2009-02-27 | 2011-08-12 | 경상대학교산학협력단 | 실 형태의 전지 제조방법 및 이에 이용되는 실 형태의 전지제조장치 |
JP2010218986A (ja) | 2009-03-18 | 2010-09-30 | Seiko Epson Corp | 二次電池用電極の製造方法、二次電池用電極および二次電池 |
US9083055B2 (en) | 2009-05-08 | 2015-07-14 | Samsung Sdi Co., Ltd. | Electrode with plural active material layers with different amounts of conductive material for rechargeable lithium battery and method for manufacturing the same and rechargeable lithium battery including the electrode |
KR101590086B1 (ko) * | 2010-01-27 | 2016-02-01 | 주식회사 엘지화학 | 리튬 이차전지 |
KR101279409B1 (ko) * | 2010-02-01 | 2013-06-27 | 주식회사 엘지화학 | 케이블형 이차전지 |
JP5458172B2 (ja) * | 2010-02-01 | 2014-04-02 | エルジー・ケム・リミテッド | ケーブル型二次電池 |
US9209463B2 (en) * | 2010-03-04 | 2015-12-08 | Samsung Sdi Co., Ltd. | Secondary battery and method of fabricating of the secondary battery |
EP2685538B1 (en) * | 2011-03-11 | 2016-02-03 | LG Chem, Ltd. | Cable-type secondary battery |
-
2012
- 2012-11-01 KR KR20120123118A patent/KR101483686B1/ko active IP Right Grant
- 2012-11-02 JP JP2014539879A patent/JP6129196B2/ja active Active
- 2012-11-02 WO PCT/KR2012/009205 patent/WO2013066117A1/ko active Application Filing
- 2012-11-02 EP EP12846759.4A patent/EP2775558B1/en active Active
- 2012-11-02 CN CN201280053807.0A patent/CN104025361B/zh active Active
-
2013
- 2013-07-09 US US13/937,517 patent/US9680155B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH097629A (ja) * | 1995-06-14 | 1997-01-10 | Mitsubishi Materials Corp | チューブ状電池 |
KR20030081499A (ko) * | 2001-03-06 | 2003-10-17 | 누베라 퓨엘 셀스 유로프 에스.아르.엘. | 필터 프레스 구조의 기능 부전 기본 전기화학 전지의단회로화 방법 |
KR100742739B1 (ko) | 2005-07-15 | 2007-07-25 | 경상대학교산학협력단 | 직조가 쉬운 실 형태의 가변형 전지 |
KR100804411B1 (ko) | 2006-01-17 | 2008-02-20 | 주식회사 엘지화학 | 신규한 구조의 전극조립체 및 이를 포함하는 것으로 구성된이차전지 |
KR20090009598A (ko) * | 2007-07-20 | 2009-01-23 | 경상대학교산학협력단 | 무선 충전용 선형 전지 |
KR20110054557A (ko) * | 2009-11-18 | 2011-05-25 | 주식회사 엘지화학 | 리튬 이차전지의 전극용 바인더, 이를 구비한 전극 및 리튬 이차전지 |
KR20110090768A (ko) * | 2010-02-02 | 2011-08-10 | 주식회사 엘지화학 | 케이블형 이차전지의 제조방법 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2775558A4 |
Also Published As
Publication number | Publication date |
---|---|
CN104025361B (zh) | 2017-06-23 |
EP2775558A1 (en) | 2014-09-10 |
JP2015501064A (ja) | 2015-01-08 |
US20130295425A1 (en) | 2013-11-07 |
EP2775558B1 (en) | 2017-05-10 |
KR101483686B1 (ko) | 2015-01-16 |
JP6129196B2 (ja) | 2017-05-17 |
EP2775558A4 (en) | 2015-04-08 |
CN104025361A (zh) | 2014-09-03 |
KR20130048706A (ko) | 2013-05-10 |
US9680155B2 (en) | 2017-06-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2013066117A1 (ko) | 케이블형 이차전지 | |
WO2013055188A1 (ko) | 케이블형 이차전지 | |
WO2013062337A2 (ko) | 케이블형 이차전지 | |
WO2014035192A1 (ko) | 케이블형 이차전지용 음극 및 그를 포함하는 케이블형 이차전지 | |
WO2013062336A1 (ko) | 케이블형 이차전지 | |
WO2013055185A2 (ko) | 케이블형 이차전지 | |
WO2013062334A1 (ko) | 이차전지용 음극 및 이를 구비하는 이차전지 | |
WO2013055190A1 (ko) | 케이블형 이차전지 | |
WO2013055186A1 (ko) | 케이블형 이차전지 | |
WO2013062335A1 (ko) | 이차전지용 음극 및 이를 구비하는 이차전지 | |
WO2012002646A2 (ko) | 케이블형 이차전지용 음극 및 이를 구비하는 케이블형 이차전지 | |
WO2014092471A1 (ko) | 이차전지용 전극, 그를 포함하는 이차전지 및 케이블형 이차전지 | |
WO2012060561A2 (ko) | 케이블형 이차전지 및 그의 제조방법 | |
WO2012026669A2 (ko) | 케이블형 이차전지 | |
WO2012026670A2 (ko) | 케이블형 이차전지 | |
WO2013055187A1 (ko) | 케이블형 이차전지 | |
WO2014077635A1 (ko) | 무선 충전이 가능한 케이블형 이차전지 | |
WO2011145882A2 (ko) | 금속 코팅된 고분자 집전체를 갖는 케이블형 이차전지 | |
WO2014098525A1 (ko) | 케이블형 이차전지 및 이의 제조 방법 | |
WO2014035189A1 (ko) | 케이블형 이차전지용 패키징 및 그를 포함하는 케이블형 이차전지 | |
WO2013042939A2 (ko) | 케이블형 이차전지 | |
WO2015080499A1 (ko) | 케이블형 이차전지 | |
WO2014077633A1 (ko) | 무선 충전이 가능한 케이블형 이차전지 | |
WO2017069586A1 (ko) | 케이블형 이차전지 | |
WO2013089498A1 (ko) | 케이블형 이차전지 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12846759 Country of ref document: EP Kind code of ref document: A1 |
|
REEP | Request for entry into the european phase |
Ref document number: 2012846759 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2012846759 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2014539879 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |