JP6693501B2 - 蓄電素子、蓄電装置及び自動車 - Google Patents
蓄電素子、蓄電装置及び自動車 Download PDFInfo
- Publication number
- JP6693501B2 JP6693501B2 JP2017500694A JP2017500694A JP6693501B2 JP 6693501 B2 JP6693501 B2 JP 6693501B2 JP 2017500694 A JP2017500694 A JP 2017500694A JP 2017500694 A JP2017500694 A JP 2017500694A JP 6693501 B2 JP6693501 B2 JP 6693501B2
- Authority
- JP
- Japan
- Prior art keywords
- separator
- positive electrode
- mixture layer
- negative electrode
- electrode mixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003860 storage Methods 0.000 title claims description 105
- 239000000203 mixture Substances 0.000 claims description 158
- 230000005611 electricity Effects 0.000 claims description 41
- 239000000463 material Substances 0.000 claims description 31
- 239000011888 foil Substances 0.000 claims description 18
- 239000010954 inorganic particle Substances 0.000 claims description 17
- 239000011230 binding agent Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 description 35
- 239000002184 metal Substances 0.000 description 35
- 239000000843 powder Substances 0.000 description 32
- NCGICGYLBXGBGN-UHFFFAOYSA-N 3-morpholin-4-yl-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine;hydrochloride Chemical compound Cl.[N-]1OC(=N)C=[N+]1N1CCOCC1 NCGICGYLBXGBGN-UHFFFAOYSA-N 0.000 description 27
- 238000000034 method Methods 0.000 description 9
- 239000007773 negative electrode material Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 5
- -1 polypropylene Polymers 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011255 nonaqueous electrolyte Substances 0.000 description 4
- 239000007774 positive electrode material Substances 0.000 description 4
- 229910000881 Cu alloy Inorganic materials 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 241000156302 Porcine hemagglutinating encephalomyelitis virus Species 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052574 oxide ceramic Inorganic materials 0.000 description 1
- 239000011224 oxide ceramic Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/10—Multiple hybrid or EDL capacitors, e.g. arrays or modules
- H01G11/12—Stacked hybrid or EDL capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/26—Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/52—Separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/66—Current collectors
- H01G11/70—Current collectors characterised by their structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/66—Current collectors
- H01G11/72—Current collectors specially adapted for integration in multiple or stacked hybrid or EDL capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/74—Terminals, e.g. extensions of current collectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/74—Terminals, e.g. extensions of current collectors
- H01G11/76—Terminals, e.g. extensions of current collectors specially adapted for integration in multiple or stacked hybrid or EDL capacitors
-
- 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
- H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
-
- 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
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- H01M50/443—Particulate 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Cell Separators (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Battery Electrode And Active Subsutance (AREA)
Description
正極集電箔の両面それぞれに、正極合剤層を有する正極と、
前記正極に対向する絶縁層を有して、前記負極と前記正極との間に介在されるセパレータと、を備え、
前記負極、前記セパレータ、及び前記正極が、第一方向に積層され、
前記負極の各面において、前記負極合剤層と前記合剤層非形成部とが、前記第一方向と直交する第二方向に隣接して配置され、
前記セパレータが、前記第二方向における該セパレータの一端において、前記正極合剤層より前記第二方向に突出し、
前記セパレータは、前記正極合剤層より前記第二方向に突出する部分に、前記負極と対向する面を凹面とする第一湾曲部を有し、
前記第一方向に隣接するセパレータの前記第一湾曲部同士が当接している、蓄電素子。
第1実施形態に係る蓄電素子1について図1〜図7を参照しつつ説明する。
d=2r・sin(θ/2) ・・・(A)
l=r・θ ・・・(B)
本発明の第二の一態様は、本発明の第一の態様に係る蓄電素子において、
前記セパレータの前記第二方向における第2端部(他端)は、前記正極合剤層より突出し、
前記セパレータの、前記正極合剤層から前記セパレータの第2端部までの突出量W2は、下記式(2)を満たす、蓄電素子である。
W2≧r・sin−1(a/2r)+r・cos−1〔cos[sin−1(a/2r)]−(N/r)〕 ・・・式(2)
a : セパレータの第2端部が突出している方向(第二方向)における、正極合剤層と負極合剤層の端縁間の距離
N : 負極の平均厚みの1/2の値
r : セパレータのTD方向(Y方向)における円弧の半径
θF=2cos−1〔1−(1/r)・(N+HH)〕
=2cos−1〔1−(N/r)−(1/r)HH〕
=2cos−1〔1−(N/r)−(1/r)[r・(1−cos[sin−1(a/2r)])]〕
=2cos−1〔1−(N/r)−(1−cos[sin−1(a/2r)])〕
=2cos−1〔−(N/r)+cos[sin−1(a/2r)]〕
=2cos−1〔cos[sin−1(a/2r)]−(N/r)〕
W2=(1/2)・(r・θH)+(1/2)・(r・θF)
=r・sin−1(a/2r)+r・cos−1〔1−(1/r)・(N+HH)〕
=r・sin−1(a/2r)+r・cos−1〔1−(1/r)・(N+r・[1−cos(θH/2)])〕
=r・sin−1(a/2r)+r・cos−1〔1−(N/r)−[1−cos(θH/2)]〕
=r・sin−1(a/2r)+r・cos−1〔cos(θH/2)−(N/r)〕
=r・sin−1(a/2r)+r・cos−1〔cos[sin−1(a/2r)]−(N/r)〕
本発明の第三の一態様は、
本発明の第一又は第二の態様に係る蓄電素子において、
前記セパレータの前記正極合剤層の端部から前記セパレータの前記第1端部までの前記突出量W1は、前記セパレータの前記正極合剤層の端部から前記セパレータの前記第2端部までの前記突出量W2より大きい、蓄電素子である。
本明細書で開示される技術は上記記述及び図面によって説明した実施形態に限定されるものではなく、例えば次のような種々の態様も含まれる。
111 蓄電ユニット
1111 蓄電装置
2 外装体
21 ケース本体
22 蓋体
3 蓄電要素
4 正極
41 正極合剤層非形成部
42 正極合剤層
5 負極
51 負極合剤層非形成部
52 負極合剤層
6 セパレータ
61 基材
62 絶縁層
7 正極端子
8 負極端子
9 正極集電体
10 負極集電体
11 (正極用)クリップ
12 (負極用)クリップ
Claims (6)
- 負極集電箔の両面それぞれに、負極合剤層と、合剤層非形成部とを有する負極と、
正極集電箔の両面それぞれに、正極合剤層を有する正極と、
前記負極と前記正極との間に介在されるセパレータと、を備え、
前記セパレータは、基材と、絶縁層とを有し、
前記絶縁層は、前記基材の前記正極に対向する表面に形成され、
前記絶縁層は、無機粒子及びバインダーを有し、
前記負極、前記セパレータ、及び前記正極が、第一方向に積層され、
前記負極の各面において、前記負極合剤層と前記合剤層非形成部とが、前記第一方向と直交する第二方向に隣接して配置され、
前記セパレータが、前記第二方向における該セパレータの一端において、前記正極合剤層より前記第二方向に突出し、
前記セパレータは、前記正極合剤層より前記第二方向に突出する部分に、前記負極と対向する面を凹面とする第一湾曲部を有し、
前記第一方向に隣接するセパレータの前記第一湾曲部同士が当接している、蓄電素子。 - 前記セパレータの一端が前記合剤層非形成部の表面に当接している請求項1に記載の蓄電素子。
- 前記セパレータの前記第二方向における他端は、前記正極合剤層より突出し、前記正極合剤層より前記第二方向に突出する部分に、前記負極と対向する面を凹面とする第二湾曲部を有する請求項1又は請求項2に記載の蓄電素子。
- 前記第一方向に隣接するセパレータの前記第一湾曲部同士が接合していない、請求項1から請求項3のいずれか1項に記載の蓄電素子。
- 複数の請求項1から請求項4のいずれか1項に記載の蓄電素子を備える、蓄電装置。
- 請求項5に記載の蓄電装置を備える自動車。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015028858 | 2015-02-17 | ||
JP2015028858 | 2015-02-17 | ||
PCT/JP2016/054461 WO2016133095A1 (ja) | 2015-02-17 | 2016-02-16 | 蓄電素子、蓄電装置及び自動車 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2016133095A1 JPWO2016133095A1 (ja) | 2017-11-24 |
JP6693501B2 true JP6693501B2 (ja) | 2020-05-13 |
Family
ID=56689270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017500694A Active JP6693501B2 (ja) | 2015-02-17 | 2016-02-16 | 蓄電素子、蓄電装置及び自動車 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10505229B2 (ja) |
JP (1) | JP6693501B2 (ja) |
CN (2) | CN111769241A (ja) |
DE (1) | DE112016000786T5 (ja) |
WO (1) | WO2016133095A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6659609B2 (ja) * | 2017-03-21 | 2020-03-04 | 株式会社東芝 | 電極構造体、二次電池、電池パック及び車両 |
KR102294861B1 (ko) * | 2018-02-20 | 2021-08-30 | 주식회사 엘지에너지솔루션 | 전극 조립체 제조장치 및 전극 조립체의 제조방법 |
CN214254487U (zh) * | 2020-12-17 | 2021-09-21 | 宁德时代新能源科技股份有限公司 | 电极组件、电池单体、电池以及用电装置 |
WO2023100815A1 (ja) * | 2021-11-30 | 2023-06-08 | パナソニックIpマネジメント株式会社 | 蓄電装置および蓄電装置の製造方法 |
CN114215639B (zh) * | 2021-12-23 | 2023-03-17 | 江西新节氢能源科技有限公司 | 一种氢燃料发动机结构 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100440588C (zh) * | 2004-01-09 | 2008-12-03 | 松下电器产业株式会社 | 锂离子二次电池 |
JP2006260994A (ja) * | 2005-03-17 | 2006-09-28 | Toyota Motor Corp | 燃料電池 |
KR100853619B1 (ko) * | 2006-01-04 | 2008-08-25 | 주식회사 엘지화학 | 분리막 상단이 밀봉되어 있는 전극조립체 및 이를 포함하는이차전지 |
JP2008218378A (ja) * | 2007-02-07 | 2008-09-18 | Toyota Motor Corp | 電極板、電池、車両、電池搭載機器、電極板の製造方法、および電池の製造方法 |
CN101617433B (zh) * | 2007-05-10 | 2013-06-19 | 日立麦克赛尔能源株式会社 | 电化学元件及其制造方法 |
CN201146222Y (zh) * | 2007-12-14 | 2008-11-05 | 天津力神电池股份有限公司 | 新型叠片式锂离子二次电池 |
JP2010186780A (ja) * | 2009-02-10 | 2010-08-26 | Shin Kobe Electric Mach Co Ltd | リチウムイオンキャパシタの製造方法 |
KR101107075B1 (ko) * | 2009-10-28 | 2012-01-20 | 삼성에스디아이 주식회사 | 이차 전지 |
JP5456542B2 (ja) | 2010-04-01 | 2014-04-02 | 日立ビークルエナジー株式会社 | 角形二次電池および角形二次電池の製造方法 |
JP2012043752A (ja) * | 2010-08-23 | 2012-03-01 | Toyota Motor Corp | 二次電池とそれを搭載する車両 |
JP5692644B2 (ja) | 2011-03-18 | 2015-04-01 | 株式会社Gsユアサ | 電池、電池用のセパレータ及び電池用のセパレータの製造方法 |
JP2012209197A (ja) * | 2011-03-30 | 2012-10-25 | Tdk Corp | 多層セパレータ及びリチウムイオン2次電池 |
JP2013254628A (ja) * | 2012-06-06 | 2013-12-19 | Toyota Industries Corp | 蓄電装置 |
JP6035922B2 (ja) | 2012-07-10 | 2016-11-30 | 株式会社豊田自動織機 | 蓄電装置 |
JP5889749B2 (ja) * | 2012-08-09 | 2016-03-22 | 三洋電機株式会社 | 非水電解質二次電池及びその製造方法 |
JP5811966B2 (ja) * | 2012-08-10 | 2015-11-11 | 株式会社豊田自動織機 | 蓄電装置 |
JP6232849B2 (ja) * | 2012-09-26 | 2017-11-22 | 株式会社Gsユアサ | 蓄電素子 |
JP6036107B2 (ja) | 2012-09-27 | 2016-11-30 | 株式会社Gsユアサ | 蓄電素子 |
JP2014082070A (ja) | 2012-10-15 | 2014-05-08 | Lithium Energy Japan:Kk | 蓄電装置 |
JP5987662B2 (ja) | 2012-12-03 | 2016-09-07 | 株式会社豊田自動織機 | 蓄電装置及び蓄電装置の製造方法 |
CN104854751A (zh) | 2012-12-28 | 2015-08-19 | 日产自动车株式会社 | 电气装置、电气装置的隔膜接合装置及其接合方法 |
JP6045921B2 (ja) * | 2013-01-21 | 2016-12-14 | オートモーティブエナジーサプライ株式会社 | 積層型電池とその製造方法 |
JP5967442B2 (ja) * | 2013-02-12 | 2016-08-10 | トヨタ自動車株式会社 | 二次電池 |
JP6330253B2 (ja) | 2013-04-16 | 2018-05-30 | 株式会社Gsユアサ | 蓄電素子、電源モジュール及び蓄電素子の製造方法 |
JP6070421B2 (ja) * | 2013-05-31 | 2017-02-01 | ソニー株式会社 | 電池、電池パック、電子機器、電動車両、蓄電装置および電力システム |
KR102041586B1 (ko) * | 2013-06-14 | 2019-11-06 | 삼성에스디아이 주식회사 | 리튬 이차 전지 |
JP2015002043A (ja) * | 2013-06-14 | 2015-01-05 | トヨタ自動車株式会社 | リチウムイオン二次電池 |
JP2015135734A (ja) | 2014-01-16 | 2015-07-27 | 株式会社Gsユアサ | 蓄電素子 |
-
2016
- 2016-02-16 US US15/550,985 patent/US10505229B2/en active Active
- 2016-02-16 DE DE112016000786.8T patent/DE112016000786T5/de active Pending
- 2016-02-16 CN CN202010441068.9A patent/CN111769241A/zh active Pending
- 2016-02-16 JP JP2017500694A patent/JP6693501B2/ja active Active
- 2016-02-16 WO PCT/JP2016/054461 patent/WO2016133095A1/ja active Application Filing
- 2016-02-16 CN CN201680010350.3A patent/CN107210492B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
JPWO2016133095A1 (ja) | 2017-11-24 |
CN107210492B (zh) | 2020-06-23 |
US10505229B2 (en) | 2019-12-10 |
WO2016133095A1 (ja) | 2016-08-25 |
CN107210492A (zh) | 2017-09-26 |
CN111769241A (zh) | 2020-10-13 |
US20180034098A1 (en) | 2018-02-01 |
DE112016000786T5 (de) | 2017-11-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6693501B2 (ja) | 蓄電素子、蓄電装置及び自動車 | |
US8460829B1 (en) | Porous polymer separator layer having a non-uniform cross-sectional thickness for use in a secondary liquid-electrolyte battery | |
KR101219248B1 (ko) | 이차 전지 | |
JP5612175B2 (ja) | 電極組立体及びこれを有する二次電池 | |
JP6020437B2 (ja) | 折り畳み式電池 | |
US9054388B2 (en) | Energy storage device, winding apparatus, and winding method | |
JP6777737B2 (ja) | 非水電解質二次電池 | |
JP5617870B2 (ja) | 二次電池 | |
JP6623528B2 (ja) | リチウムイオン二次電池 | |
KR102307904B1 (ko) | 세퍼레이터 및 이를 이용한 이차 전지 | |
US11050120B2 (en) | Energy storage device | |
JP7385613B2 (ja) | 二次電池 | |
JP2022024044A (ja) | 積層電極体の製造方法及び蓄電素子の製造方法 | |
US20220376321A1 (en) | Electrode assembly and secondary battery comprising the same | |
KR101587323B1 (ko) | 전극 조립체 및 이를 포함하는 이차전지 | |
JP6216203B2 (ja) | 捲回式二次電池 | |
JP7459157B2 (ja) | 電池 | |
KR102517221B1 (ko) | 이차 전지 | |
JP2024017913A (ja) | 電池 | |
JP2016081668A (ja) | 二次電池 | |
JP2024017914A (ja) | 電池 | |
JP2023079669A (ja) | 非水電解質二次電池 | |
KR20240026488A (ko) | 전극 조립체 및 전기화학 셀 | |
WO2018043406A1 (ja) | 積層電極体及び蓄電素子 | |
JP2021086745A (ja) | 二次電池用セパレータ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20181205 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20191001 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20191121 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200218 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200221 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20200317 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20200330 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6693501 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |