JP6857294B2 - 蓄電素子及び蓄電素子の製造方法 - Google Patents
蓄電素子及び蓄電素子の製造方法 Download PDFInfo
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- JP6857294B2 JP6857294B2 JP2016038466A JP2016038466A JP6857294B2 JP 6857294 B2 JP6857294 B2 JP 6857294B2 JP 2016038466 A JP2016038466 A JP 2016038466A JP 2016038466 A JP2016038466 A JP 2016038466A JP 6857294 B2 JP6857294 B2 JP 6857294B2
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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
- 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
-
- 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
- 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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells 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
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel 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
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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- 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)
- Connection Of Batteries Or Terminals (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Description
以上、本発明に係る蓄電素子について、実施の形態に基づいて説明した。しかしながら、本発明は、上記実施の形態に限定されるものではない。本発明の趣旨を逸脱しない限り、当業者が思いつく各種変形を上記実施の形態に施したものも、あるいは、上記説明された複数の構成要素を組み合わせて構築される形態も、本発明の範囲内に含まれる。
100 容器
110 蓋板
140 正極集電体
150 負極集電体
151 第一接続部
152 第二接続部
1521 第一板部
1522 第二板部
1522a 主面
1523 湾曲部
1524 内面
1524 傾斜面
180 蓋構造体
301 第一領域
3011 表面
304 凹部
305 傾斜部
309 板体
410、420 タブ部
H1 幅
H2 間隔
t1、t2 厚み
Claims (6)
- 端子と、
本体部と前記本体部から突出したタブ部とを有する電極体と、
前記端子と前記タブ部とを電気的に接続する集電体とを備え、
前記集電体は、互いに平板状の第一板部及び第二板部であって、略平行に対向する前記第一板部と前記第二板部とが湾曲部を介して連続しており、
前記湾曲部は内面側が窪んでおり、
前記タブ部は、前記第二板部における前記電極体側の面に接続されており、
前記湾曲部の厚みは、前記第一板部と前記第二板部とのそれぞれの厚みよりも薄く、
前記湾曲部の内面の両端部が断面視直線状に傾斜する傾斜面であり、
前記集電体は、さらに、前記端子に接続される第一接続部を備え、
前記第一接続部と前記第二板部とは、前記第一板部と前記第二板部との対向方向視において重なっていない
蓄電素子。 - 前記湾曲部の内面がなす空間の、前記第一板部と前記第二板部との対向方向における幅は、前記第一板部の先端と前記第二板部の先端とがなす前記対向方向における間隔よりも大きい
請求項1に記載の蓄電素子。 - 前記湾曲部の内面の少なくとも一部の断面形状は、円弧状である
請求項1または2に記載の蓄電素子。 - 請求項1〜3のいずれかに記載の蓄電素子の製造方法であって、
平板状の板体を曲げることによって、前記集電体を形成する工程を含み、
前記板体における他の領域よりも薄肉な第一領域を曲げることで、前記湾曲部を形成する
蓄電素子の製造方法。 - 前記板体における前記第一領域と前記他の領域との境界には、前記第一領域に向かうにつれて薄くなる傾斜部が形成されている
請求項4に記載の蓄電素子の製造方法。 - 前記板体の前記第一領域における、前記湾曲部の内面となる表面には、凹部が形成されている
請求項4または5に記載の蓄電素子の製造方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016038466A JP6857294B2 (ja) | 2016-02-29 | 2016-02-29 | 蓄電素子及び蓄電素子の製造方法 |
DE112017001047.0T DE112017001047T5 (de) | 2016-02-29 | 2017-01-18 | Energiespeichervorrichtung und verfahren zum herstellen einer energiespeichervorrichtung |
CN201780013290.5A CN108701802B (zh) | 2016-02-29 | 2017-01-18 | 能量存储装置和用于制造能量存储装置的方法 |
US16/080,606 US11011808B2 (en) | 2016-02-29 | 2017-01-18 | Energy storage device and method for manufacturing energy storage device |
PCT/EP2017/050990 WO2017148612A1 (en) | 2016-02-29 | 2017-01-18 | Energy storage device and method for manufacturing energy storage device |
Applications Claiming Priority (1)
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JP2016038466A JP6857294B2 (ja) | 2016-02-29 | 2016-02-29 | 蓄電素子及び蓄電素子の製造方法 |
Publications (2)
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JP2017157354A JP2017157354A (ja) | 2017-09-07 |
JP6857294B2 true JP6857294B2 (ja) | 2021-04-14 |
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JP2016038466A Active JP6857294B2 (ja) | 2016-02-29 | 2016-02-29 | 蓄電素子及び蓄電素子の製造方法 |
Country Status (5)
Country | Link |
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US (1) | US11011808B2 (ja) |
JP (1) | JP6857294B2 (ja) |
CN (1) | CN108701802B (ja) |
DE (1) | DE112017001047T5 (ja) |
WO (1) | WO2017148612A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102571182B1 (ko) * | 2016-03-22 | 2023-08-24 | 삼성에스디아이 주식회사 | 이차 전지 |
CN111279523B (zh) * | 2018-02-28 | 2023-03-21 | 松下控股株式会社 | 二次电池用的电极以及使用了该电极的二次电池 |
CN110224099B (zh) * | 2018-03-01 | 2020-09-01 | 宁德时代新能源科技股份有限公司 | 二次电池及汽车 |
KR102596537B1 (ko) * | 2018-03-07 | 2023-10-30 | 삼성에스디아이 주식회사 | 이차전지 |
DE202019006003U1 (de) * | 2018-10-05 | 2024-02-12 | Gs Yuasa International Ltd. | Stromkollektor für eine Energiespeichervorrichtung |
JP7482069B2 (ja) * | 2020-03-25 | 2024-05-13 | 株式会社Gsユアサ | 蓄電素子 |
JP7449468B2 (ja) * | 2020-04-01 | 2024-03-14 | トヨタ自動車株式会社 | 集電端子 |
CN114614171A (zh) * | 2022-04-12 | 2022-06-10 | 浙江极氪智能科技有限公司 | 电池组件以及极耳与盖板的连接方法 |
WO2024026861A1 (zh) * | 2022-08-05 | 2024-02-08 | 宁德时代新能源科技股份有限公司 | 转接构件、电池单体、电池及用电装置 |
Family Cites Families (16)
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JP3306257B2 (ja) * | 1995-08-11 | 2002-07-24 | アルプス電気株式会社 | 2次電池の安全装置 |
JPH11154505A (ja) * | 1997-11-20 | 1999-06-08 | Alps Electric Co Ltd | 圧力遮断センサ |
JP2001293522A (ja) * | 2000-04-12 | 2001-10-23 | Kobe Steel Ltd | 曲げ部を有するアルミニウム又はアルミニウム合金板及びその製造方法 |
US6849358B2 (en) * | 2001-04-06 | 2005-02-01 | Ngk Spark Plug Co., Ltd. | Lithium ion battery |
JP3926147B2 (ja) * | 2001-12-17 | 2007-06-06 | 三洋電機株式会社 | 電池 |
JP4494731B2 (ja) * | 2003-06-13 | 2010-06-30 | 三菱重工業株式会社 | 二次電池、二次電池の製造方法 |
JP4556428B2 (ja) * | 2003-12-24 | 2010-10-06 | 株式会社Gsユアサ | 電池 |
FR2876221B1 (fr) * | 2004-10-06 | 2006-12-22 | Batscap Sa | Module de batterie comprenant un element de stockage d'energie dont le contact est realise par serrage des couches entre elles |
JP5357799B2 (ja) * | 2010-02-09 | 2013-12-04 | 三菱重工業株式会社 | 二次電池、二次電池の製造装置および製造方法 |
KR101122811B1 (ko) * | 2010-06-17 | 2012-03-21 | 삼성에스디아이 주식회사 | 이차전지의 전극탭 연결구조 및 이를 이용한 이차전지 |
JP2012181941A (ja) | 2011-02-28 | 2012-09-20 | Mitsubishi Heavy Ind Ltd | 二次電池 |
JP2013175516A (ja) * | 2012-02-23 | 2013-09-05 | Nisshinbo Holdings Inc | 蓄電素子の製造方法 |
EP3232495B1 (en) * | 2014-12-11 | 2022-03-16 | GS Yuasa International Ltd. | Power storage element |
JP6599129B2 (ja) * | 2015-05-15 | 2019-10-30 | 三洋電機株式会社 | 角形二次電池及びそれを用いた組電池、並びにその製造方法 |
US11581544B2 (en) * | 2015-09-18 | 2023-02-14 | Gs Yuasa International Ltd. | Energy storage device and energy storage device production method |
JP2017059511A (ja) * | 2015-09-18 | 2017-03-23 | 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 |
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2016
- 2016-02-29 JP JP2016038466A patent/JP6857294B2/ja active Active
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2017
- 2017-01-18 DE DE112017001047.0T patent/DE112017001047T5/de active Pending
- 2017-01-18 CN CN201780013290.5A patent/CN108701802B/zh active Active
- 2017-01-18 WO PCT/EP2017/050990 patent/WO2017148612A1/en active Application Filing
- 2017-01-18 US US16/080,606 patent/US11011808B2/en active Active
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Publication number | Publication date |
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CN108701802B (zh) | 2021-06-11 |
JP2017157354A (ja) | 2017-09-07 |
US20190067670A1 (en) | 2019-02-28 |
WO2017148612A1 (en) | 2017-09-08 |
DE112017001047T5 (de) | 2018-11-29 |
US11011808B2 (en) | 2021-05-18 |
CN108701802A (zh) | 2018-10-23 |
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