JP7268635B2 - 蓄電セルおよび蓄電装置 - Google Patents
蓄電セルおよび蓄電装置 Download PDFInfo
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- JP7268635B2 JP7268635B2 JP2020074905A JP2020074905A JP7268635B2 JP 7268635 B2 JP7268635 B2 JP 7268635B2 JP 2020074905 A JP2020074905 A JP 2020074905A JP 2020074905 A JP2020074905 A JP 2020074905A JP 7268635 B2 JP7268635 B2 JP 7268635B2
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- Prior art keywords
- release valve
- housing
- electrode body
- gas
- gas release
- Prior art date
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- 210000000352 storage cell Anatomy 0.000 title claims description 42
- 230000000452 restraining effect Effects 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 8
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 4
- 229910001416 lithium ion Inorganic materials 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 4
- 239000008151 electrolyte solution Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052987 metal hydride Inorganic materials 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0431—Cells with wound or folded 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
- H01M10/058—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
- 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
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
-
- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
-
- 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
- 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)
- Gas Exhaust Devices For Batteries (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Description
Claims (5)
- 底面および側面を含み、内部空間を規定する筐体と、
前記筐体の前記内部空間に収容される電極体と、
前記筐体の前記側面に設けられたガス放出弁とを備え、
前記筐体の前記底面は、第1方向に沿って第1の幅と、第2方向に沿って前記第1の幅よりも小さい第2の幅とを有し、
前記筐体の前記側面は、前記第1方向の両端に各々位置する第1側面および第2側面を含み、
前記電極体は、前記底面と反対側に上部隙間を形成可能、かつ前記電極体と前記第1側面および前記第2側面との間に側部隙間を形成可能な状態で前記内部空間に収容され、
前記ガス放出弁は、前記第1側面に設けられた第1放出弁と、前記第2側面に設けられた第2放出弁とを含み、
前記第1放出弁の開口の少なくとも一部は、前記上部隙間を前記第1側面上に投影した領域に位置し、
前記第2放出弁の開口の少なくとも一部は、前記上部隙間を前記第2側面上に投影した領域に位置する、蓄電セル。 - 底面および側面を含み、内部空間を規定する筐体と、
前記筐体の前記内部空間に収容される電極体と、
前記筐体の前記側面に設けられたガス放出弁とを備え、
前記電極体は、正極および負極を含むシート状の積層体を巻回軸まわりに巻回して形成されるとともに、前記底面と反対側に上部隙間を形成可能、かつ前記電極体と前記側面との間に側部隙間を形成可能な状態で前記内部空間に収容され、
前記ガス放出弁は、前記巻回軸が延びる方向に沿って前記電極体の両側に各々設けられた第1放出弁および第2放出弁を含み、
前記第1放出弁の開口の少なくとも一部および前記第2放出弁の開口の少なくとも一部は、前記上部隙間を前記側面上に投影した領域に位置する、蓄電セル。 - 前記筐体の前記底面は、略長方形形状を有する、請求項1または請求項2に記載の蓄電セル。
- 前記蓄電セルは、リチウムイオン電池を含む、請求項1から請求項3のいずれかに記載の蓄電セル。
- 請求項1から請求項4のいずれかに記載の蓄電セルであって、前記第1放出弁と前記第2放出弁とが対向する方向に直交する配列方向に並ぶ複数の蓄電セルと、
前記配列方向に並ぶ複数の蓄電セルを拘束する拘束部材とを備えた、蓄電装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020074905A JP7268635B2 (ja) | 2020-04-20 | 2020-04-20 | 蓄電セルおよび蓄電装置 |
CN202110370817.8A CN113540681B (zh) | 2020-04-20 | 2021-04-07 | 蓄电单元以及蓄电装置 |
US17/227,475 US11876244B2 (en) | 2020-04-20 | 2021-04-12 | Power storage cell and power storage device |
US18/537,115 US20240113379A1 (en) | 2020-04-20 | 2023-12-12 | Power storage cell and power storage device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020074905A JP7268635B2 (ja) | 2020-04-20 | 2020-04-20 | 蓄電セルおよび蓄電装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021174588A JP2021174588A (ja) | 2021-11-01 |
JP7268635B2 true JP7268635B2 (ja) | 2023-05-08 |
Family
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JP2020074905A Active JP7268635B2 (ja) | 2020-04-20 | 2020-04-20 | 蓄電セルおよび蓄電装置 |
Country Status (3)
Country | Link |
---|---|
US (2) | US11876244B2 (ja) |
JP (1) | JP7268635B2 (ja) |
CN (1) | CN113540681B (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001266804A (ja) | 2000-03-23 | 2001-09-28 | At Battery:Kk | 密閉二次電池 |
JP2003178740A (ja) | 2001-12-12 | 2003-06-27 | Mitsubishi Heavy Ind Ltd | 二次電池及び二次電池群 |
JP2012009317A (ja) | 2010-06-25 | 2012-01-12 | Hitachi Vehicle Energy Ltd | リチウムイオン二次電池および組電池 |
JP2016115437A (ja) | 2014-12-11 | 2016-06-23 | 株式会社豊田自動織機 | 蓄電装置 |
JP2017084680A (ja) | 2015-10-29 | 2017-05-18 | リチウム エナジー アンド パワー ゲゼルシャフト ミット ベシュレンクテル ハフッング ウント コンパニー コマンディトゲゼルシャフトLithium Energy and Power GmbH & Co. KG | 蓄電素子 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4486284B2 (ja) | 2001-08-17 | 2010-06-23 | 三菱重工業株式会社 | 非水電解質二次電池 |
JP5527172B2 (ja) * | 2010-11-17 | 2014-06-18 | トヨタ自動車株式会社 | 蓄電装置 |
JP5957239B2 (ja) | 2012-02-21 | 2016-07-27 | 日立オートモティブシステムズ株式会社 | 二次電池 |
DE102012222111A1 (de) * | 2012-12-04 | 2014-06-05 | Robert Bosch Gmbh | Batteriezelle mit einem eine Kanalstruktur aufweisenden Arretierkörper |
US10707464B2 (en) * | 2015-09-21 | 2020-07-07 | Ford Global Technologies, Llc | Battery cell venting system for electrified vehicle batteries |
JP2018125109A (ja) * | 2017-01-31 | 2018-08-09 | 日立オートモティブシステムズ株式会社 | 二次電池および組電池 |
-
2020
- 2020-04-20 JP JP2020074905A patent/JP7268635B2/ja active Active
-
2021
- 2021-04-07 CN CN202110370817.8A patent/CN113540681B/zh active Active
- 2021-04-12 US US17/227,475 patent/US11876244B2/en active Active
-
2023
- 2023-12-12 US US18/537,115 patent/US20240113379A1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001266804A (ja) | 2000-03-23 | 2001-09-28 | At Battery:Kk | 密閉二次電池 |
JP2003178740A (ja) | 2001-12-12 | 2003-06-27 | Mitsubishi Heavy Ind Ltd | 二次電池及び二次電池群 |
JP2012009317A (ja) | 2010-06-25 | 2012-01-12 | Hitachi Vehicle Energy Ltd | リチウムイオン二次電池および組電池 |
JP2016115437A (ja) | 2014-12-11 | 2016-06-23 | 株式会社豊田自動織機 | 蓄電装置 |
JP2017084680A (ja) | 2015-10-29 | 2017-05-18 | リチウム エナジー アンド パワー ゲゼルシャフト ミット ベシュレンクテル ハフッング ウント コンパニー コマンディトゲゼルシャフトLithium Energy and Power GmbH & Co. KG | 蓄電素子 |
Also Published As
Publication number | Publication date |
---|---|
CN113540681B (zh) | 2023-06-16 |
US20210328302A1 (en) | 2021-10-21 |
CN113540681A (zh) | 2021-10-22 |
JP2021174588A (ja) | 2021-11-01 |
US20240113379A1 (en) | 2024-04-04 |
US11876244B2 (en) | 2024-01-16 |
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