JPWO2020071049A1 - 二次電池 - Google Patents
二次電池 Download PDFInfo
- Publication number
- JPWO2020071049A1 JPWO2020071049A1 JP2020550226A JP2020550226A JPWO2020071049A1 JP WO2020071049 A1 JPWO2020071049 A1 JP WO2020071049A1 JP 2020550226 A JP2020550226 A JP 2020550226A JP 2020550226 A JP2020550226 A JP 2020550226A JP WO2020071049 A1 JPWO2020071049 A1 JP WO2020071049A1
- Authority
- JP
- Japan
- Prior art keywords
- current collecting
- positive electrode
- electrode current
- tab
- terminal
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000005452 bending Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 239000011888 foil Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 nickel hydrogen Chemical class 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
- 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 of a single cell or a single battery
- H01M50/183—Sealing members
-
- 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
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
-
- 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
- H01M50/531—Electrode connections inside a battery casing
-
- 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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
-
- 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
- H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side 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
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/102—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure
- H01M50/103—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure prismatic or rectangular
-
- 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
Abstract
Description
図12は、本実施形態の変形例における、正極集電タブ20と正極集電端子30Aとの接合部70を拡大して示した平面図である。
2 負極板
3 セパレータ
10 電極体
20 正極集電タブ
22 負極集電タブ
30A 正極集電端子
30B 接続部材
32A 負極集電端子
32B 接続部材
50 正極外部端子
52 負極外部端子
60 電池ケース
62 封口板
70 接合部
71 電極体側端部にある列の接合部
80 切り欠き部(屈曲部)
81 接合点(屈曲部)
90、92 絶縁部材
91、93 ガスケット
100 超音波接合装置
Claims (3)
- 正極板及び負極板を備えた電極体と、
開口部を有し、前記電極体を収納した電池ケースと、
前記開口部を封口する封口板と、
前記正極板及び前記負極板にそれぞれ設けられた集電タブと、
前記封口板の内側に設けられ、前記集電タブを介して、前記正極板及び前記負極板にそれぞれ接続された集電端子と、
前記封口板の外側に設けられ、前記集電端子に接続された外部端子と
を備えた二次電池であって、
前記電極体は、前記集電タブが、前記封口板の内側空間において屈曲した状態で、前記電池ケースに収容されており、
前記集電タブは、
前記集電端子との接合部と、
前記接合部から離間し、かつ、前記電極体側の位置に設けられた、前記集電タブが屈曲する起点となる屈曲部と、
を有している、二次電池。 - 前記屈曲部は、前記集電タブの幅方向端部において設けられた切り欠き部からなる、請求項1に記載の二次電池。
- 前記屈曲部は、前記集電タブの幅方向に沿って設けられた、前記集電端子との接合点からなる、請求項1に記載の二次電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018188299 | 2018-10-03 | ||
JP2018188299 | 2018-10-03 | ||
PCT/JP2019/034887 WO2020071049A1 (ja) | 2018-10-03 | 2019-09-05 | 二次電池 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPWO2020071049A1 true JPWO2020071049A1 (ja) | 2021-09-02 |
Family
ID=70054539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020550226A Pending JPWO2020071049A1 (ja) | 2018-10-03 | 2019-09-05 | 二次電池 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20220037746A1 (ja) |
JP (1) | JPWO2020071049A1 (ja) |
CN (1) | CN112789763A (ja) |
WO (1) | WO2020071049A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4005722A4 (en) * | 2019-07-31 | 2023-10-04 | Vehicle Energy Japan Inc. | ULTRASONIC HORN, SECONDARY BATTERY AND METHOD FOR PRODUCING A SECONDARY BATTERY |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003242957A (ja) * | 2002-02-20 | 2003-08-29 | Matsushita Electric Ind Co Ltd | 角型電池とその製造方法 |
KR20060027265A (ko) * | 2004-09-22 | 2006-03-27 | 삼성에스디아이 주식회사 | 전극조립체 및 이를 이용한 리튬이온 이차전지 |
US20120009451A1 (en) * | 2010-07-12 | 2012-01-12 | Samsung Sdi Co., Ltd. | Secondary battery |
WO2014002647A1 (ja) * | 2012-06-26 | 2014-01-03 | 株式会社 豊田自動織機 | 蓄電装置 |
WO2014034413A1 (ja) * | 2012-08-28 | 2014-03-06 | 株式会社 豊田自動織機 | 蓄電装置 |
US20160141709A1 (en) * | 2014-11-19 | 2016-05-19 | Samsung Sdi Co., Ltd. | Method of manufacturing secondary battery and secondary battery manufactured by the method |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004087337A (ja) * | 2002-08-27 | 2004-03-18 | Nissan Motor Co Ltd | 電池積層集合体およびそれに用いる電池 |
US9178189B2 (en) * | 2010-01-19 | 2015-11-03 | Enax, Inc. | Sheet-type secondary battery and method of manufacturing same |
JP6239222B2 (ja) * | 2011-10-28 | 2017-11-29 | 三洋電機株式会社 | 非水電解液二次電池 |
US10916760B2 (en) * | 2016-06-30 | 2021-02-09 | Sanyo Electric Co., Ltd. | Secondary battery and method of manufacturing same |
-
2019
- 2019-09-05 CN CN201980063056.2A patent/CN112789763A/zh active Pending
- 2019-09-05 JP JP2020550226A patent/JPWO2020071049A1/ja active Pending
- 2019-09-05 WO PCT/JP2019/034887 patent/WO2020071049A1/ja active Application Filing
- 2019-09-05 US US17/278,773 patent/US20220037746A1/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003242957A (ja) * | 2002-02-20 | 2003-08-29 | Matsushita Electric Ind Co Ltd | 角型電池とその製造方法 |
KR20060027265A (ko) * | 2004-09-22 | 2006-03-27 | 삼성에스디아이 주식회사 | 전극조립체 및 이를 이용한 리튬이온 이차전지 |
US20120009451A1 (en) * | 2010-07-12 | 2012-01-12 | Samsung Sdi Co., Ltd. | Secondary battery |
WO2014002647A1 (ja) * | 2012-06-26 | 2014-01-03 | 株式会社 豊田自動織機 | 蓄電装置 |
WO2014034413A1 (ja) * | 2012-08-28 | 2014-03-06 | 株式会社 豊田自動織機 | 蓄電装置 |
US20160141709A1 (en) * | 2014-11-19 | 2016-05-19 | Samsung Sdi Co., Ltd. | Method of manufacturing secondary battery and secondary battery manufactured by the method |
Also Published As
Publication number | Publication date |
---|---|
US20220037746A1 (en) | 2022-02-03 |
CN112789763A (zh) | 2021-05-11 |
WO2020071049A1 (ja) | 2020-04-09 |
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