JP2022069042A - 蓄電セル - Google Patents
蓄電セル Download PDFInfo
- Publication number
- JP2022069042A JP2022069042A JP2020177978A JP2020177978A JP2022069042A JP 2022069042 A JP2022069042 A JP 2022069042A JP 2020177978 A JP2020177978 A JP 2020177978A JP 2020177978 A JP2020177978 A JP 2020177978A JP 2022069042 A JP2022069042 A JP 2022069042A
- Authority
- JP
- Japan
- Prior art keywords
- active material
- material layer
- positive electrode
- current collector
- negative electrode
- 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.)
- Granted
Links
- 210000000352 storage cell Anatomy 0.000 title claims abstract description 65
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 103
- 125000006850 spacer group Chemical group 0.000 claims abstract description 66
- 239000011149 active material Substances 0.000 claims abstract description 58
- 230000004308 accommodation Effects 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 17
- 239000011888 foil Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000008151 electrolyte solution Substances 0.000 claims description 9
- 238000004146 energy storage Methods 0.000 claims 1
- 239000007774 positive electrode material Substances 0.000 abstract description 87
- 239000007773 negative electrode material Substances 0.000 abstract description 63
- 230000037303 wrinkles Effects 0.000 abstract description 17
- 230000002787 reinforcement Effects 0.000 abstract 2
- 239000010410 layer Substances 0.000 description 202
- 210000004027 cell Anatomy 0.000 description 28
- 239000000463 material Substances 0.000 description 21
- 238000002347 injection Methods 0.000 description 17
- 239000007924 injection Substances 0.000 description 17
- 230000015572 biosynthetic process Effects 0.000 description 14
- 239000007788 liquid Substances 0.000 description 13
- -1 nickel hydrogen Chemical class 0.000 description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 239000004698 Polyethylene Substances 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 239000002390 adhesive tape Substances 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- 229920001893 acrylonitrile styrene Polymers 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 4
- 230000000452 restraining effect Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000003125 aqueous solvent Substances 0.000 description 3
- 239000012752 auxiliary agent Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000002800 charge carrier Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 229920001721 polyimide Polymers 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 235000002639 sodium chloride Nutrition 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000006230 acetylene black Substances 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910021383 artificial graphite Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229910015015 LiAsF 6 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
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000003522 acrylic cement Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 125000005370 alkoxysilyl group Chemical group 0.000 description 1
- 239000000728 ammonium alginate Substances 0.000 description 1
- 235000010407 ammonium alginate Nutrition 0.000 description 1
- KPGABFJTMYCRHJ-YZOKENDUSA-N ammonium alginate Chemical compound [NH4+].[NH4+].O1[C@@H](C([O-])=O)[C@@H](OC)[C@H](O)[C@H](O)[C@@H]1O[C@@H]1[C@@H](C([O-])=O)O[C@@H](O)[C@@H](O)[C@H]1O KPGABFJTMYCRHJ-YZOKENDUSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 150000005678 chain carbonates Chemical class 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 150000005676 cyclic carbonates Chemical class 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002931 mesocarbon microbead Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920000447 polyanionic polymer Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
Description
Claims (6)
- 金属箔によって構成された集電体の一方面に活物質層を有し、前記活物質層同士が互いに対向するように配置された正極及び負極と、
前記正極と前記負極との間に配置され、前記活物質層間に介在するセパレータと、
前記正極と前記負極との間に配置され、前記活物質層を囲むように前記集電体の縁部間を封止して電解液が収容される収容空間を形成するスペーサと、
前記集電体において前記活物質層が位置しない未塗工部分を補強する補強部材と、を備え、
前記集電体は、前記正極及び前記負極における前記活物質層の対向方向から見た場合に、前記スペーサと前記活物質層との間に前記未塗工部分を有しており、
前記補強部材は、前記対向方向から見た場合に、前記活物質層と前記未塗工部分との境界と、前記スペーサと前記未塗工部分との境界とに跨るように、前記未塗工部分に沿って配置されている蓄電セル。 - 前記対向方向から見た場合に、
前記正極における前記活物質層の形成領域は、前記負極における前記活物質層の形成領域内に位置しており、
前記負極の集電体における前記補強部材は、前記正極における前記活物質層と重なっていない請求項1記載の蓄電セル。 - 前記正極の集電体における前記補強部材では、前記対向方向から見て前記正極における前記活物質層に重なる部分の前記対向方向の厚さが、他の部分の前記対向方向の厚さよりも小さくなっている請求項1又は2記載の蓄電セル。
- 前記活物質層の形成領域は、矩形状をなしており、
前記スペーサは、矩形枠状をなしており、
前記スペーサの一の辺部には、前記収容空間の内部から前記収容空間の外部に貫通する貫通口と、前記貫通口を閉塞する閉塞部と、が設けられており、
前記補強部材は、少なくとも前記スペーサの前記一の辺部と前記活物質層との間の未塗工部分に対応して配置されている請求項1~3のいずれか一項記載の蓄電セル。 - 前記補強部材は、前記スペーサの全ての辺部と前記活物質層との間の未塗工部分に対応して配置されている請求項1~4のいずれか一項記載の蓄電セル。
- 前記正極及び前記負極の少なくとも一方の活物質層は、前記集電体の面内方向において第1の部分と第2の部分とに分割されており、
当該集電体において、前記第1の部分と前記第2の部分との間には、中間未塗工部分が位置しており、
前記対向方向から見た場合に、前記第1の部分と前記中間未塗工部分との境界と、前記第2の部分と前記中間未塗工部分との境界とに跨るように、前記中間未塗工部分に沿って配置された中間補強部材を更に備える請求項1~5のいずれか一項記載の蓄電セル。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020177978A JP7459758B2 (ja) | 2020-10-23 | 2020-10-23 | 蓄電セル |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020177978A JP7459758B2 (ja) | 2020-10-23 | 2020-10-23 | 蓄電セル |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022069042A true JP2022069042A (ja) | 2022-05-11 |
JP7459758B2 JP7459758B2 (ja) | 2024-04-02 |
Family
ID=81521609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020177978A Active JP7459758B2 (ja) | 2020-10-23 | 2020-10-23 | 蓄電セル |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP7459758B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023216727A1 (zh) * | 2022-05-13 | 2023-11-16 | 宁德时代新能源科技股份有限公司 | 电极组件、电池单体、电池和用电设备 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4055640B2 (ja) | 2003-04-28 | 2008-03-05 | 日産自動車株式会社 | バイポーラ電池、バイポーラ電池の製造方法、組電池および車両 |
JP2010250978A (ja) | 2009-04-10 | 2010-11-04 | Nissan Motor Co Ltd | 電池用電極の製造方法、電池用電極、双極型電池、組電池、および車両 |
EP3188298B1 (en) | 2014-08-25 | 2019-04-10 | Nissan Motor Co., Ltd | Stacked cell and production method for same |
JP6989436B2 (ja) | 2018-04-23 | 2022-01-05 | 株式会社豊田自動織機 | 蓄電モジュール |
JP7190314B2 (ja) | 2018-10-05 | 2022-12-15 | 日産自動車株式会社 | 双極型二次電池 |
-
2020
- 2020-10-23 JP JP2020177978A patent/JP7459758B2/ja active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023216727A1 (zh) * | 2022-05-13 | 2023-11-16 | 宁德时代新能源科技股份有限公司 | 电极组件、电池单体、电池和用电设备 |
Also Published As
Publication number | Publication date |
---|---|
JP7459758B2 (ja) | 2024-04-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7468233B2 (ja) | 蓄電モジュール | |
JP7459758B2 (ja) | 蓄電セル | |
WO2023132181A1 (ja) | 蓄電モジュール | |
JP7367599B2 (ja) | 蓄電セル及び蓄電装置 | |
WO2021220994A1 (ja) | 蓄電セル、蓄電装置及び蓄電装置の製造方法 | |
JP2022030155A (ja) | 蓄電装置 | |
JP2021197279A (ja) | 蓄電セル及び蓄電装置 | |
JP2021174726A (ja) | 蓄電セル及び蓄電装置 | |
JP2021177478A (ja) | 蓄電セル、蓄電装置及び蓄電装置の製造方法 | |
JP7444029B2 (ja) | 蓄電セル及び蓄電装置 | |
WO2022154005A1 (ja) | 蓄電セル及び蓄電装置 | |
JP7459774B2 (ja) | 蓄電セル及び蓄電装置 | |
WO2023145294A1 (ja) | 蓄電モジュール | |
JP2022066723A (ja) | 蓄電セル | |
JP7489004B2 (ja) | 蓄電セル及び蓄電装置 | |
WO2024034403A1 (ja) | 蓄電モジュール | |
JP2023087348A (ja) | 蓄電装置の製造方法及び蓄電装置 | |
WO2022130763A1 (ja) | 蓄電装置 | |
WO2024053231A1 (ja) | 蓄電モジュール | |
JP2022075283A (ja) | 蓄電装置 | |
WO2023120171A1 (ja) | 蓄電装置 | |
JP2022026679A (ja) | 蓄電装置及び蓄電装置の製造方法 | |
JP2022026712A (ja) | 蓄電セル及び蓄電装置 | |
JP2022086271A (ja) | 蓄電装置 | |
JP2024073806A (ja) | 蓄電モジュール |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20230119 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20230922 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20231003 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20231128 |
|
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: 20240220 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20240304 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7459758 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |