CN111834601A - 极耳及包含该极耳的电池 - Google Patents
极耳及包含该极耳的电池 Download PDFInfo
- Publication number
- CN111834601A CN111834601A CN202010876891.2A CN202010876891A CN111834601A CN 111834601 A CN111834601 A CN 111834601A CN 202010876891 A CN202010876891 A CN 202010876891A CN 111834601 A CN111834601 A CN 111834601A
- Authority
- CN
- China
- Prior art keywords
- copper foil
- tab
- compressive stress
- indentation
- lug
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000011889 copper foil Substances 0.000 claims abstract description 61
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 28
- 238000007373 indentation Methods 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000002360 preparation method Methods 0.000 claims abstract description 7
- 239000011888 foil Substances 0.000 claims description 23
- 238000005520 cutting process Methods 0.000 claims description 17
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000004049 embossing Methods 0.000 abstract description 12
- 238000004804 winding Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000013072 incoming material Substances 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 239000011267 electrode slurry Substances 0.000 description 1
- 239000002659 electrodeposit Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/534—Electrode connections inside a battery casing characterised by the material 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/04—Wires; Strips; Foils
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/38—Electroplating: Baths therefor from solutions of copper
-
- 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
- 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
- H01M4/70—Carriers or collectors characterised by shape or form
-
- 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
-
- 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
Abstract
Description
Claims (10)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010876891.2A CN111834601A (zh) | 2020-08-27 | 2020-08-27 | 极耳及包含该极耳的电池 |
US17/151,682 US11705606B2 (en) | 2020-08-27 | 2021-01-19 | Tab and battery including the tab |
EP21155669.1A EP3961774B1 (en) | 2020-08-27 | 2021-02-08 | Tab and battery including the tab |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010876891.2A CN111834601A (zh) | 2020-08-27 | 2020-08-27 | 极耳及包含该极耳的电池 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111834601A true CN111834601A (zh) | 2020-10-27 |
Family
ID=72918291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010876891.2A Pending CN111834601A (zh) | 2020-08-27 | 2020-08-27 | 极耳及包含该极耳的电池 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11705606B2 (zh) |
EP (1) | EP3961774B1 (zh) |
CN (1) | CN111834601A (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112751145A (zh) * | 2021-01-12 | 2021-05-04 | 天津市捷威动力工业有限公司 | 一种锂离子叠片电极极耳强化制备方法 |
CN115000345A (zh) * | 2022-06-27 | 2022-09-02 | 楚能新能源股份有限公司 | 电池极片及其生产方法、包含该极片的电池芯包和电池 |
CN115305528A (zh) * | 2022-08-26 | 2022-11-08 | 南昌大学 | 一种制备预应力电解铜箔的方法及装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116454356B (zh) * | 2023-05-22 | 2023-12-08 | 上海君屹工业自动化股份有限公司 | 一种柔性精密极耳压加强筋调节机构 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204598315U (zh) * | 2015-05-13 | 2015-08-26 | 北京卓锐微技术有限公司 | 一种应用柔性背极的硅电容麦克风 |
JP2018186008A (ja) * | 2017-04-26 | 2018-11-22 | 株式会社豊田自動織機 | 電極の製造方法 |
CN109037589A (zh) * | 2018-09-14 | 2018-12-18 | 中航锂电技术研究院有限公司 | 一种锂电池极片辊压防皱装置及防皱方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008270153A (ja) | 2006-11-15 | 2008-11-06 | Matsushita Electric Ind Co Ltd | 非水電解質二次電池用集電体の製造方法、非水電解質二次電池用電極の製造方法および非水電解質二次電池 |
US9899683B2 (en) * | 2015-03-06 | 2018-02-20 | Iljin Materials Co., Ltd. | Electrolytic copper foil, electric component and battery including the same |
CN108172748A (zh) | 2017-12-30 | 2018-06-15 | 惠州亿纬锂能股份有限公司 | 极耳及制造方法、具有该极耳的锂电池及制造方法 |
CN208368608U (zh) | 2018-05-11 | 2019-01-11 | 合肥国轩高科动力能源有限公司 | 一种抗弯折的卷绕式锂电池极耳 |
TWI679314B (zh) * | 2018-06-07 | 2019-12-11 | 國立中興大學 | 以單一電鍍槽製備銅箔生箔同時形成粗化毛面的方法及該銅箔生箔 |
CN211017230U (zh) | 2019-12-02 | 2020-07-14 | 宁德时代新能源科技股份有限公司 | 电芯极片以及电芯 |
CN111485260B (zh) | 2020-04-30 | 2020-12-08 | 广东嘉元科技股份有限公司 | 二次电池用低翘曲电解铜箔、制造方法 |
-
2020
- 2020-08-27 CN CN202010876891.2A patent/CN111834601A/zh active Pending
-
2021
- 2021-01-19 US US17/151,682 patent/US11705606B2/en active Active
- 2021-02-08 EP EP21155669.1A patent/EP3961774B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204598315U (zh) * | 2015-05-13 | 2015-08-26 | 北京卓锐微技术有限公司 | 一种应用柔性背极的硅电容麦克风 |
JP2018186008A (ja) * | 2017-04-26 | 2018-11-22 | 株式会社豊田自動織機 | 電極の製造方法 |
CN109037589A (zh) * | 2018-09-14 | 2018-12-18 | 中航锂电技术研究院有限公司 | 一种锂电池极片辊压防皱装置及防皱方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112751145A (zh) * | 2021-01-12 | 2021-05-04 | 天津市捷威动力工业有限公司 | 一种锂离子叠片电极极耳强化制备方法 |
CN115000345A (zh) * | 2022-06-27 | 2022-09-02 | 楚能新能源股份有限公司 | 电池极片及其生产方法、包含该极片的电池芯包和电池 |
CN115305528A (zh) * | 2022-08-26 | 2022-11-08 | 南昌大学 | 一种制备预应力电解铜箔的方法及装置 |
CN115305528B (zh) * | 2022-08-26 | 2023-08-29 | 南昌大学 | 一种制备预应力电解铜箔的方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
US20220069425A1 (en) | 2022-03-03 |
US11705606B2 (en) | 2023-07-18 |
EP3961774B1 (en) | 2024-04-03 |
EP3961774A1 (en) | 2022-03-02 |
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Address after: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Applicant after: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. Address before: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Applicant before: Kaibo Energy Technology Co.,Ltd. Address after: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Applicant after: Kaibo Energy Technology Co.,Ltd. Address before: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Applicant before: CHINA AVIATION LITHIUM BATTERY RESEARCH INSTITUTE Co.,Ltd. |
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RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20201027 |