JPWO2017149949A1 - 電極体の製造方法、及び非水電解質二次電池の製造方法 - Google Patents
電極体の製造方法、及び非水電解質二次電池の製造方法 Download PDFInfo
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- H—ELECTRICITY
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- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
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- 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
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- H01—ELECTRIC ELEMENTS
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0583—Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or separators
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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
- H01M10/058—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
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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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
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- H01—ELECTRIC ELEMENTS
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- 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
- H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
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- H—ELECTRICITY
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- 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
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- 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
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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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Abstract
Description
11 外装体
11a,11b ラミネートフィルム
12 収容部
13 封止部
14 電極体
15 正極リード
16 負極リード
17 電極群
20 正極
21 正極集電体
22 正極活物質層
23 正極タブ
24 正極タブ積層部
25 凹凸
30 負極
31 負極集電体
32 負極活物質層
33 負極タブ
34 負極タブ積層部
40 セパレータ
50 樹脂シート
51 シート基材
52 接着層
60 超音波ホーン
61 凹凸
62 アンビル
Claims (4)
- 電極集電体の表面が露出した露出部と電極リードを超音波溶接する工程を備えた電極体の製造方法であって、
前記超音波溶接は、前記露出部と前記電極リードを重ね合せ、超音波ホーンを樹脂シートを介して前記露出部又は前記電極リードに押し当てた状態で行い、
前記樹脂シートは、シート基材と、当該基材の片面に形成された接着層とを有し、前記露出部又は前記電極リードの前記超音波ホーンが接触する部分に貼着されている、電極体の製造方法。 - 前記電極集電体の前記露出部である電極タブを積層してタブ積層部を形成し、
当該タブ積層部と前記電極リードを超音波溶接する、請求項1に記載の電極体の製造方法。 - 前記樹脂シートは、15μm〜300μmの厚みを有する、請求項1又は2に記載の電極体の製造方法。
- 電極集電体の表面が露出した露出部に電極リードを超音波溶接する電極体の製造工程を備えた非水電解質二次電池の製造方法であって、
前記超音波溶接は、前記露出部と前記電極リードを重ね合せ、超音波ホーンを樹脂シートを介して前記露出部又は前記電極リードに押し当てた状態で行い、
前記樹脂シートは、シート基材と、当該基材の片面に形成された接着層とを有し、前記露出部又は前記電極リードの前記超音波ホーンが接触する部分に貼着されている、非水電解質二次電池の製造方法。
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JP2016036678 | 2016-02-29 | ||
JP2016036678 | 2016-02-29 | ||
PCT/JP2017/000934 WO2017149949A1 (ja) | 2016-02-29 | 2017-01-13 | 電極体の製造方法、及び非水電解質二次電池の製造方法 |
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US (1) | US11075374B2 (ja) |
JP (1) | JP6960586B2 (ja) |
CN (1) | CN108475756B (ja) |
WO (1) | WO2017149949A1 (ja) |
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JP7024734B2 (ja) * | 2017-01-17 | 2022-02-24 | 大日本印刷株式会社 | 保護フィルム、電池、及び電池の製造方法 |
FR3084529B1 (fr) * | 2018-07-24 | 2022-03-25 | Armor | Procede de fabrication d'un collecteur de courant et dispositifs associes |
KR20200041625A (ko) * | 2018-10-12 | 2020-04-22 | 삼성에스디아이 주식회사 | 이차전지 |
WO2020129880A1 (ja) * | 2018-12-19 | 2020-06-25 | 三洋電機株式会社 | 二次電池及びその製造方法 |
JP2020119875A (ja) * | 2019-01-29 | 2020-08-06 | 三洋電機株式会社 | 二次電池及びその製造方法 |
JP7229027B2 (ja) * | 2019-01-29 | 2023-02-27 | 三洋電機株式会社 | 二次電池及びその製造方法 |
WO2021020032A1 (ja) * | 2019-07-31 | 2021-02-04 | ビークルエナジージャパン株式会社 | 超音波ホーン、二次電池及び二次電池の製造方法 |
WO2021065332A1 (ja) * | 2019-09-30 | 2021-04-08 | 株式会社村田製作所 | 二次電池 |
KR20210037902A (ko) * | 2019-09-30 | 2021-04-07 | 현대자동차주식회사 | 이차전지의 초음파 용접 시스템 및 이를 이용한 이차전지의 제조방법 |
CN111682155A (zh) | 2020-06-19 | 2020-09-18 | 珠海冠宇电池股份有限公司 | 电池及可移动用电设备 |
CN117012898A (zh) * | 2020-06-19 | 2023-11-07 | 珠海冠宇电池股份有限公司 | 电池及其制备方法以及电子产品 |
KR20220011032A (ko) * | 2020-07-20 | 2022-01-27 | 주식회사 엘지에너지솔루션 | 이차전지용 초음파 용접장치 및 용접방법 |
CN112736367B (zh) * | 2020-12-31 | 2023-07-21 | 维沃移动通信有限公司 | 电池及电子设备 |
CN114005953A (zh) * | 2021-10-15 | 2022-02-01 | 长沙矿冶研究院有限责任公司 | 锂电池负极结构、锂电池负极结构焊接装置以及焊接方法 |
KR20230081223A (ko) * | 2021-11-30 | 2023-06-07 | 주식회사 엘지에너지솔루션 | 용접 장치, 용접 방법 및 전극 조립체 |
CN115173001A (zh) * | 2022-06-16 | 2022-10-11 | 中国第一汽车股份有限公司 | 一种新型极耳结构、电池及其加工方法 |
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US11075374B2 (en) | 2021-07-27 |
JP6960586B2 (ja) | 2021-11-05 |
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US20180358608A1 (en) | 2018-12-13 |
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