JP2022523124A - 電極用集電体 - Google Patents
電極用集電体 Download PDFInfo
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- JP2022523124A JP2022523124A JP2021544729A JP2021544729A JP2022523124A JP 2022523124 A JP2022523124 A JP 2022523124A JP 2021544729 A JP2021544729 A JP 2021544729A JP 2021544729 A JP2021544729 A JP 2021544729A JP 2022523124 A JP2022523124 A JP 2022523124A
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- polymer film
- metal piece
- current collector
- electrode
- edge
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
-
- 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
- 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
- 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/665—Composites
- H01M4/667—Composites in the form of layers, e.g. coatings
-
- 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
- H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
-
- 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
-
- 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
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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)
- Composite Materials (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
Claims (8)
- 高分子フィルム、
前記高分子フィルムの上下面のうち少なくとも一つの表面または前記高分子フィルムの縁のうち少なくとも一つの一側に設けられる金属片、
前記高分子フィルムと前記金属片の境界部位を覆うように前記高分子フィルム及び前記金属片の表面に設けられる接着部、及び、
前記高分子フィルム、前記金属片及び前記接着部の表面に形成される導電材、を含むことを特徴とする、電極用集電体。 - 前記金属片に連結されるリードタブを含み、
前記金属片の縁は、前記高分子フィルムの縁より外側に突出しない位置に設けられることを特徴とする、請求項1に記載の電極用集電体。 - 前記高分子フィルムの縁より内側に位置する前記金属片と前記高分子フィルムとの境界部位を覆うように設けられる前記接着部は、前記リードタブが前記金属片から延びる方向にある前記金属片の縁を除いた残りの縁のうち少なくとも一つの縁に設けられることを特徴とする、請求項2に記載の電極用集電体。
- 前記金属片の縁が前記高分子フィルムの縁より外側に突出しない位置に設けられる電極用集電体は、ワインディングされて電極組立体を形成することを特徴とする、請求項2または3に記載の電極用集電体。
- 前記金属片に連結されるリードタブを含み、
前記金属片の縁は、前記高分子フィルムの縁より外側に突出する位置に設けられることを特徴とする、請求項1に記載の電極用集電体。 - 前記金属片は、前記高分子フィルムとの境界部位で互いに重ならないように位置する、又は、同一平面上に位置するように前記高分子フィルムの縁の一側に設けられ、
前記高分子フィルムと前記金属片の厚さが異なると、前記接着部は、段差部が形成された状態で前記高分子フィルム及び前記金属片の境界部位を覆うように設けられることを特徴とする、請求項5に記載の電極用集電体。 - 前記金属片は、前記高分子フィルムに形成された穿孔内に位置するように設けられることを特徴とする、請求項6に記載の電極用集電体。
- 前記金属片の縁が前記高分子フィルムの縁より外側に突出する位置に設けられる電極用集電体は、積層されて電極組立体を形成することを特徴とする、請求項5乃至7のいずれか一項に記載の電極用集電体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2019-0017132 | 2019-02-14 | ||
KR1020190017132A KR102158737B1 (ko) | 2019-02-14 | 2019-02-14 | 전극용 집전체 |
PCT/KR2020/001817 WO2020166904A1 (ko) | 2019-02-14 | 2020-02-10 | 전극용 집전체 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022523124A true JP2022523124A (ja) | 2022-04-21 |
JP7195670B2 JP7195670B2 (ja) | 2022-12-26 |
Family
ID=72045320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021544729A Active JP7195670B2 (ja) | 2019-02-14 | 2020-02-10 | 電極用集電体 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20220085382A1 (ja) |
EP (1) | EP3926716A4 (ja) |
JP (1) | JP7195670B2 (ja) |
KR (1) | KR102158737B1 (ja) |
CN (1) | CN113383446B (ja) |
WO (1) | WO2020166904A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102602260B1 (ko) * | 2021-03-23 | 2023-11-14 | 주식회사 유앤에스에너지 | 전극용 집전체 |
JP7472390B2 (ja) | 2021-09-01 | 2024-04-22 | 寧徳時代新能源科技股▲分▼有限公司 | 正極集電体、二次電池及び電力使用装置 |
CN114203958A (zh) * | 2021-12-13 | 2022-03-18 | 珠海冠宇电池股份有限公司 | 集流体、极片、电芯及电池 |
CN114361463A (zh) * | 2021-12-17 | 2022-04-15 | 合肥国轩高科动力能源有限公司 | 一种复合集流体的制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2009131184A1 (ja) * | 2008-04-24 | 2009-10-29 | シャープ株式会社 | 非水系二次電池 |
JP2011138693A (ja) * | 2009-12-28 | 2011-07-14 | Sharp Corp | 非水電解質二次電池及び非水電解質二次電池用の電極 |
WO2014034758A1 (ja) * | 2012-08-30 | 2014-03-06 | 株式会社カネカ | 電池用集電体およびこれを用いた電池 |
JP2016519841A (ja) * | 2013-06-07 | 2016-07-07 | ジェナックス インコーポレイテッド | 電極及びその製造方法、並びにこれを用いた電池 |
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JP5784928B2 (ja) * | 2011-03-03 | 2015-09-24 | シャープ株式会社 | 非水系二次電池 |
KR101386675B1 (ko) * | 2012-05-09 | 2014-04-21 | 한국기계연구원 | 금속메쉬층을 포함하는 전지용 집전체의 제조방법 |
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US9947913B2 (en) * | 2013-10-18 | 2018-04-17 | Lg Chem, Ltd. | Method for welding metal tab of electrode layer for cable battery and electrode manufactured thereby |
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KR102142552B1 (ko) | 2016-10-05 | 2020-08-10 | 주식회사 엘지화학 | 리튬금속 이차전지용 음극 및 이를 포함하는 리튬금속 이차전지 |
KR102212886B1 (ko) * | 2017-02-27 | 2021-02-05 | 주식회사 제낙스 | 이차 전지 및 이의 제조 방법 |
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KR102112227B1 (ko) * | 2018-07-27 | 2020-05-18 | 주식회사 유앤에스에너지 | 전극용 집전체 |
-
2019
- 2019-02-14 KR KR1020190017132A patent/KR102158737B1/ko active IP Right Grant
-
2020
- 2020-02-10 JP JP2021544729A patent/JP7195670B2/ja active Active
- 2020-02-10 EP EP20756090.5A patent/EP3926716A4/en active Pending
- 2020-02-10 CN CN202080010402.3A patent/CN113383446B/zh active Active
- 2020-02-10 US US17/424,806 patent/US20220085382A1/en active Pending
- 2020-02-10 WO PCT/KR2020/001817 patent/WO2020166904A1/ko unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009131184A1 (ja) * | 2008-04-24 | 2009-10-29 | シャープ株式会社 | 非水系二次電池 |
JP2011138693A (ja) * | 2009-12-28 | 2011-07-14 | Sharp Corp | 非水電解質二次電池及び非水電解質二次電池用の電極 |
WO2014034758A1 (ja) * | 2012-08-30 | 2014-03-06 | 株式会社カネカ | 電池用集電体およびこれを用いた電池 |
JP2016519841A (ja) * | 2013-06-07 | 2016-07-07 | ジェナックス インコーポレイテッド | 電極及びその製造方法、並びにこれを用いた電池 |
Also Published As
Publication number | Publication date |
---|---|
KR20200099314A (ko) | 2020-08-24 |
CN113383446A (zh) | 2021-09-10 |
CN113383446B (zh) | 2024-01-16 |
US20220085382A1 (en) | 2022-03-17 |
EP3926716A1 (en) | 2021-12-22 |
WO2020166904A1 (ko) | 2020-08-20 |
JP7195670B2 (ja) | 2022-12-26 |
KR102158737B1 (ko) | 2020-09-22 |
EP3926716A4 (en) | 2023-12-06 |
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