JP2014139885A - 積層型電池とその製造方法 - Google Patents
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- H01M10/00—Secondary cells; Manufacture thereof
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- H—ELECTRICITY
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- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/446—Composite material consisting of a mixture of organic and inorganic materials
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- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
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- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
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- H01M50/409—Separators, membranes or diaphragms characterised by the material
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- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
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- 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
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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
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Abstract
【解決手段】2種類の電極1,2がセパレータ3を介して交互に積層された構成の積層型電池であって、セパレータ3は、セパレータ3同士が一方の電極1の側方で互いに部分的に接合された接合部分7と、少なくとも他方の電極2の端面に接する位置から湾曲して他方の電極2の側方に延びている非接合部分8とを有する。
【選択図】図3
Description
2 負極(他方の電極)
3 セパレータ
3a 熱収縮層
3b 低熱収縮層
4 ラミネートフィルム
5,6 接続電極
7 接合部分
8 非接合部分
Claims (9)
- 2種類の電極がセパレータを介して交互に積層された構成の積層型電池であって、前記セパレータは、該セパレータ同士が一方の電極の側方で互いに部分的に接合された接合部分と、少なくとも他方の電極の端面に接する位置から湾曲して該他方の電極の側方に延びている非接合部分とを有する、積層型電池。
- 前記セパレータは熱収縮層と低熱収縮層とが積層された多層構造であり、前記一方の電極は前記セパレータの前記低熱収縮層同士に挟まれ、前記低熱収縮層同士が、前記一方の電極の側方で互いに部分的に接合されており、前記他方の電極は前記セパレータの前記熱収縮層同士に挟まれ、前記熱収縮層の熱収縮によって湾曲した前記非接合部分が前記他方の電極の側方に延びている、請求項1に記載の積層型電池。
- 前記セパレータは、前記積層型電池の側面に平行な方向に沿って、前記接合部分と前記非接合部分とが存在する、請求項1または2に記載の積層型電池。
- 前記セパレータは、前記積層型電池の側面に直交する方向に沿って、前記接合部分の外側に前記非接合部分が存在する、請求項1または2に記載の積層型電池。
- 前記一方の電極が正極であり、前記他方の電極が負極である、請求項1から4のいずれか1項に記載の積層型電池。
- 2種類の電極がセパレータを介して交互に積層された構成の積層型電池の製造方法であって、
前記セパレータは熱収縮層と低熱収縮層とが積層された多層構造であり、
一方の電極が前記セパレータの前記低熱収縮層同士に挟まれ、他方の電極が前記セパレータの前記熱収縮層同士に挟まれるように、前記電極と前記セパレータを積層し、
前記セパレータの前記低熱収縮層同士を、前記一方の電極の側方で互いに部分的に接合させ、
前記セパレータの非接合部分の前記熱収縮層を加熱して、熱収縮によって、少なくとも他方の電極の端面に接する位置から該他方の電極の側方に至るまで湾曲させる
積層型電池の製造方法。 - 前記セパレータの非接合部分の前記熱収縮層を加熱して湾曲させる工程は、全ての前記電極と全ての前記セパレータを積層した状態で一括して加熱することにより行う、請求項6に記載の積層型電池の製造方法。
- 前記セパレータの非接合部分の前記熱収縮層を加熱して湾曲させる工程は、前記一方の電極の上に位置する前記セパレータの上に前記他方の電極を積層した時点と、前記他方の電極の上に前記セパレータを積層した時点でそれぞれ行う、請求項6に記載の積層型電池の製造方法。
- 前記一方の電極が正極であり、前記他方の電極が負極である、請求項6から8のいずれか1項に記載の積層型電池の製造方法。
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JP2013008277A JP6045921B2 (ja) | 2013-01-21 | 2013-01-21 | 積層型電池とその製造方法 |
US14/155,665 US10135052B2 (en) | 2013-01-21 | 2014-01-15 | Stacked battery and method of manufacturing same |
CN201410027746.1A CN103943878B (zh) | 2013-01-21 | 2014-01-21 | 层叠型电池及其制造方法 |
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JP6045921B2 JP6045921B2 (ja) | 2016-12-14 |
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Cited By (6)
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WO2016089144A3 (ko) * | 2014-12-03 | 2016-07-28 | 주식회사 엘지화학 | 이차 전지용 전극 조립체 제조 방법 |
WO2016133095A1 (ja) * | 2015-02-17 | 2016-08-25 | 株式会社Gsユアサ | 蓄電素子、蓄電装置及び自動車 |
JP2017084539A (ja) * | 2015-10-26 | 2017-05-18 | 株式会社Gsユアサ | 蓄電素子及び蓄電素子の製造方法 |
JP2020198169A (ja) * | 2019-05-31 | 2020-12-10 | プライムアースEvエナジー株式会社 | 二次電池及び二次電池の製造方法 |
WO2023027566A1 (ko) * | 2021-08-25 | 2023-03-02 | 주식회사 엘지에너지솔루션 | 이차전지 및 이를 포함하는 이차전지 모듈 |
US11626613B2 (en) * | 2017-11-30 | 2023-04-11 | Ningde Amperex Technology Limited | Battery cell, electrochemical device and manufacturing method thereof |
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US9799926B2 (en) * | 2013-07-31 | 2017-10-24 | Lg Chem, Ltd. | Curved electrode stack and battery cell including the same |
JP6101726B2 (ja) * | 2015-03-25 | 2017-03-22 | オートモーティブエナジーサプライ株式会社 | リチウムイオン二次電池 |
DE102016218490A1 (de) * | 2016-09-27 | 2018-03-29 | Robert Bosch Gmbh | Verfahren zur Herstellung eines Folienstapels für eine Batteriezelle |
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JPWO2018179653A1 (ja) * | 2017-03-31 | 2020-02-06 | 株式会社エンビジョンAescエナジーデバイス | セパレータの接合方法および電気化学デバイスの製造方法と電気化学デバイス |
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CN113097641B (zh) * | 2020-01-08 | 2022-10-25 | 北京好风光储能技术有限公司 | 一种双极性电池堆以及注液排气式双极性电池 |
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Cited By (10)
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WO2016089144A3 (ko) * | 2014-12-03 | 2016-07-28 | 주식회사 엘지화학 | 이차 전지용 전극 조립체 제조 방법 |
US10297868B2 (en) | 2014-12-03 | 2019-05-21 | Lg Chem, Ltd. | Method for manufacturing electrode assembly for secondary battery |
WO2016133095A1 (ja) * | 2015-02-17 | 2016-08-25 | 株式会社Gsユアサ | 蓄電素子、蓄電装置及び自動車 |
JPWO2016133095A1 (ja) * | 2015-02-17 | 2017-11-24 | 株式会社Gsユアサ | 蓄電素子、蓄電装置及び自動車 |
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JP2017084539A (ja) * | 2015-10-26 | 2017-05-18 | 株式会社Gsユアサ | 蓄電素子及び蓄電素子の製造方法 |
US11626613B2 (en) * | 2017-11-30 | 2023-04-11 | Ningde Amperex Technology Limited | Battery cell, electrochemical device and manufacturing method thereof |
JP2020198169A (ja) * | 2019-05-31 | 2020-12-10 | プライムアースEvエナジー株式会社 | 二次電池及び二次電池の製造方法 |
JP7078576B2 (ja) | 2019-05-31 | 2022-05-31 | プライムアースEvエナジー株式会社 | 二次電池及び二次電池の製造方法 |
WO2023027566A1 (ko) * | 2021-08-25 | 2023-03-02 | 주식회사 엘지에너지솔루션 | 이차전지 및 이를 포함하는 이차전지 모듈 |
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CN103943878B (zh) | 2016-08-17 |
US10135052B2 (en) | 2018-11-20 |
JP6045921B2 (ja) | 2016-12-14 |
US20140205886A1 (en) | 2014-07-24 |
CN103943878A (zh) | 2014-07-23 |
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