JP2015502011A - ケーブル型二次電池用パッケージ、及びそれを含むケーブル型二次電池 - Google Patents
ケーブル型二次電池用パッケージ、及びそれを含むケーブル型二次電池 Download PDFInfo
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- JP2015502011A JP2015502011A JP2014542263A JP2014542263A JP2015502011A JP 2015502011 A JP2015502011 A JP 2015502011A JP 2014542263 A JP2014542263 A JP 2014542263A JP 2014542263 A JP2014542263 A JP 2014542263A JP 2015502011 A JP2015502011 A JP 2015502011A
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 64
- 239000002184 metal Substances 0.000 claims abstract description 64
- 239000011888 foil Substances 0.000 claims abstract description 50
- 239000002952 polymeric resin Substances 0.000 claims abstract description 47
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 47
- 239000003792 electrolyte Substances 0.000 claims abstract description 21
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 44
- 239000007772 electrode material Substances 0.000 claims description 35
- -1 polypropylene chloride Polymers 0.000 claims description 32
- 229910052759 nickel Inorganic materials 0.000 claims description 23
- 230000002209 hydrophobic effect Effects 0.000 claims description 21
- 239000010954 inorganic particle Substances 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- 229910052799 carbon Inorganic materials 0.000 claims description 18
- 239000010936 titanium Substances 0.000 claims description 18
- 229910052719 titanium Inorganic materials 0.000 claims description 18
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 15
- 229920001940 conductive polymer Polymers 0.000 claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 150000002739 metals Chemical class 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 229920000642 polymer Polymers 0.000 claims description 10
- 239000011651 chromium Substances 0.000 claims description 9
- 239000011572 manganese Substances 0.000 claims description 9
- 239000010409 thin film Substances 0.000 claims description 9
- 229920002126 Acrylic acid copolymer Polymers 0.000 claims description 8
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 8
- 229920005672 polyolefin resin Polymers 0.000 claims description 8
- 229910052709 silver Inorganic materials 0.000 claims description 8
- 239000004332 silver Substances 0.000 claims description 8
- 239000011149 active material Substances 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 7
- 229910052744 lithium Inorganic materials 0.000 claims description 7
- 229910000925 Cd alloy Inorganic materials 0.000 claims description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 239000011737 fluorine Substances 0.000 claims description 6
- 229910052731 fluorine Inorganic materials 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 239000004645 polyester resin Substances 0.000 claims description 6
- 229920001225 polyester resin Polymers 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 5
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 5
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 229910012851 LiCoO 2 Inorganic materials 0.000 claims description 3
- 229910011281 LiCoPO 4 Inorganic materials 0.000 claims description 3
- 229910010707 LiFePO 4 Inorganic materials 0.000 claims description 3
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 claims description 3
- 229910013716 LiNi Inorganic materials 0.000 claims description 3
- 229910013210 LiNiMnCoO Inorganic materials 0.000 claims description 3
- 229910013290 LiNiO 2 Inorganic materials 0.000 claims description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
- 229910021383 artificial graphite Inorganic materials 0.000 claims description 3
- 229910052793 cadmium Inorganic materials 0.000 claims description 3
- 239000003575 carbonaceous material Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 229910021382 natural graphite Inorganic materials 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 3
- 229920006122 polyamide resin Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 229920001897 terpolymer Polymers 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 229920001451 polypropylene glycol Polymers 0.000 claims 2
- 239000011118 polyvinyl acetate Substances 0.000 claims 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims 1
- 239000011245 gel electrolyte Substances 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 238000011109 contamination Methods 0.000 abstract description 7
- 230000006866 deterioration Effects 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 107
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 150000004767 nitrides Chemical class 0.000 description 4
- 229920001197 polyacetylene Polymers 0.000 description 4
- 229920000767 polyaniline Polymers 0.000 description 4
- 229920000128 polypyrrole Polymers 0.000 description 4
- 229920000123 polythiophene Polymers 0.000 description 4
- 239000007784 solid electrolyte Substances 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 239000005518 polymer electrolyte Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 229910052684 Cerium Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 229920000867 polyelectrolyte Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910010238 LiAlCl 4 Inorganic materials 0.000 description 1
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 1
- 229910015044 LiB Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 229910012513 LiSbF 6 Inorganic materials 0.000 description 1
- 229910005813 NiMH Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 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
- 239000011248 coating agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- PWRLWCQANJNXOR-UHFFFAOYSA-N dilithium chloro(dioxido)borane Chemical compound [Li+].[Li+].[O-]B([O-])Cl PWRLWCQANJNXOR-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 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
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Inorganic materials [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000652 nickel hydride Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920003208 poly(ethylene sulfide) Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920006027 ternary co-polymer Polymers 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
-
- 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
- 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
- H01M4/75—Wires, rods or strips
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/117—Inorganic material
- H01M50/119—Metals
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/121—Organic 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
- H01M50/126—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers
- H01M50/129—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers with two or more layers of only organic material
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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
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Secondary Cells (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
前記内部電極は正極であり、前記外部電極は負極であり得る。
Claims (20)
- 長手方向に延長されるケーブル型二次電池用パッケージであって、
中空型の金属箔層;
前記金属箔層の片面に形成された第1高分子樹脂層;及び
前記金属箔層の別の面に形成された第2高分子樹脂層;を含むケーブル型二次電池用パッケージ。 - 前記金属箔層が、鉄(Fe)、炭素(C)、クロム(Cr)、マンガン(Mn)、ニッケル(Ni)、銅(Cu)、アルミニウム(Al)、及びその等価物からなる群より選択されるいずれか一つまたはこれらのうち2種以上の合金を含むことを特徴とする請求項1に記載のケーブル型二次電池用パッケージ。
- 前記第1高分子樹脂層が、ポリオレフィン樹脂、ポリエステル樹脂、ポリアミド樹脂、及びフッ素含有樹脂からなる群より選択されるいずれか一つまたはこれらのうち2種以上の混合物を含むことを特徴とする請求項1に記載のケーブル型二次電池用パッケージ。
- 前記第2高分子樹脂層が、ポリオレフィン樹脂、ポリエステル樹脂、及びフッ素含有樹脂からなる群より選択されるいずれか一つまたはこれらのうち2種以上の混合物を含むことを特徴とする請求項1に記載のケーブル型二次電池用パッケージ。
- 前記ポリオレフィン樹脂が、ポリプロピレン‐アクリル酸共重合体、ポリエチレン‐アクリル酸共重合体、塩化ポリプロピレン、ポリプロピレン‐ブチレン‐エチレン三元共重合体、ポリエチレン、及びエチレン‐プロピレン共重合体からなる群より選択されるいずれか一つまたはこれらのうち2種以上の混合物であることを特徴とする請求項4に記載のケーブル型二次電池用パッケージ。
- 前記第1高分子樹脂層または前記第2高分子樹脂層が、疎水性無機物粒子を更に含むことを特徴とする請求項1に記載のケーブル型二次電池用パッケージ。
- 前記疎水性無機物粒子が、SiO2、Al2O3、MgO、BaTiO3、ZrO2、及びZnOからなる群より選択されるいずれか一つまたはこれらのうち2種以上の混合物から得られることを特徴とする請求項6に記載のケーブル型二次電池用パッケージ。
- 前記疎水性無機物粒子の平均粒径が、1nmないし5μmであることを特徴とする請求項6に記載のケーブル型二次電池用パッケージ。
- 前記金属箔層と前記第1高分子樹脂層との間、前記金属箔層と前記第2高分子樹脂層との間、または前記金属箔層に対面する前記第2高分子樹脂層の別の面に、疎水性無機物粒子の層を更に含むことを特徴とする請求項1に記載のケーブル型二次電池用パッケージ。
- 前記疎水性無機物粒子の層が、SiO2、Al2O3、MgO、BaTiO3、ZrO2、及びZnOからなる群より選択されるいずれか一つまたはこれらのうち2種以上の混合物を含むことを特徴とする請求項9に記載のケーブル型二次電池用パッケージ。
- 前記疎水性無機物粒子の平均粒径が、1nmないし5μmで
あることを特徴とする請求項10に記載のケーブル型二次電池用パッケージ。 - 内部集電体、内部電極活物質層、外部電極活物質層、前記内部電極活物質層と前記外部電極活物質層との間に介在された電解質層、及び前記外部電極活物質層の外側表面に形成される外部集電体薄膜を備え、かつ、所定形状の水平断面を有して長手方向に延長される電極組立体;並びに
前記電極組立体を囲んで形成されるパッケージ;を含み、
前記パッケージは、中空型の金属箔層、前記金属箔層の片面に形成された第1高分子樹脂層、及び前記金属箔層の別の面に形成された第2高分子樹脂層;を含むケーブル型二次電池。 - 前記外部集電体薄膜が、ハーフパイプ型またはメッシュ型であることを特徴とする請求項12に記載のケーブル型二次電池。
- 前記外部集電体薄膜が、ステンレス鋼、アルミニウム、ニッケル、チタン、焼成炭素もしくは銅;カーボン、ニッケル、チタンもしくは銀で表面処理されたステンレス鋼;アルミニウム‐カドミウム合金;導電材で表面処理された非伝導性高分子;または伝導性高分子から製造されたことを特徴とする請求項12に記載のケーブル型二次電池。
- 内部集電体、内部電極活物質層、外部電極活物質層、及び前記内部電極活物質層と前記外部電極活物質層との間に介在された電解質層を備え、かつ、所定形状の水平断面を有して長手方向に延長された電極組立体;並びに
前記電極組立体を囲んで形成されるパッケージ;を含み、
前記パッケージは、外部集電体の役割をする中空型の金属箔層、前記金属箔層の片面に形成された第1高分子樹脂層、及び前記金属箔層の別の面の両端に形成された第2高分子樹脂層を含むケーブル型二次電池。 - 前記内部集電体が、ステンレス鋼、アルミニウム、ニッケル、チタン、焼成炭素もしくは銅;カーボン、ニッケル、チタンもしくは銀で表面処理されたステンレス鋼;アルミニウム‐カドミウム合金;導電材で表面処理された非伝導性高分子;または伝導性高分子から製造されたことを特徴とする請求項12または請求項15に記載のケーブル型二次電池。
- 前記内部電極が負極であり、前記外部電極が正極であるか、または、前記内部電極が正極であり、前記外部電極が負極であることを特徴とする請求項12または請求項15に記載のケーブル型二次電池。
- 前記内部電極活物質層及び前記外部電極活物質層のうち一層が、天然黒鉛、人造黒鉛もしくは炭素質材料;リチウム含有チタン複合酸化物(LTO);Si、Sn、Li、Zn、Mg、Cd、Ce、NiもしくはFeを含む金属類(Me);前記金属類(Me)の合金類;前記金属類(Me)の酸化物(MeOx);及び前記金属類(Me)と炭素との複合体からなる群より選択されるいずれか一つの活物質またはこれらのうち2種以上の混合物を含むことを特徴とする請求項12または請求項15に記載のケーブル型二次電池。
- 前記内部電極活物質層及び前記外部電極活物質層のうち一層が、LiCoO2、LiNiO2、LiMn2O4、LiCoPO4、LiFePO4、LiNiMnCoO2、及びLiNi1-x-y-zCoxM1yM2zO2(M1及びM2は互いに独立して、Al、Ni、Co、Fe、Mn、V、Cr、Ti、W、Ta、Mg及びMoからなる群より選択され、x、y及びzは互いに独立した酸化物組成元素の原子分率であって、0≦x<0.5、0≦y<0.5、0≦z<0.5、x+y+z≦1である)からなる群より選択されるいずれか一つの活物質またはこれらのうち2種以上の混合物を含むことを特徴とする請求項12または請求項15に記載のケーブル型二次電池。
- 前記電解質層が、PEO、PVdF、PMMA、PANまたはPVACを用いたゲル型高分子電解質;および
PEO、ポリプロピレンオキシド(PPO)、ポリエーテルイミン(PEI)、ポリエチレンスルフィド(PES)またはポリビニルアセテート(PVAc)を用いた固体電解質;からなる群より選択される電解質を含むことを特徴とする請求項12または請求項15に記載のケーブル型二次電池。
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