Invention Grant
- Patent Title: Copper foil for current collector of lithium secondary battery and negative electrode including the same
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Application No.: US16403473Application Date: 2019-05-03
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Publication No.: US10665865B2Publication Date: 2020-05-26
- Inventor: Huei-Fang Huang , Kuei-Sen Cheng , Jui-Chang Chou , Yao-Sheng Lai
- Applicant: Chang Chun Petrochemical Co., LTD.
- Applicant Address: TW Taipei
- Assignee: Chang Chun Petrochemical Co., Ltd.
- Current Assignee: Chang Chun Petrochemical Co., Ltd.
- Current Assignee Address: TW Taipei
- Agency: Womble Bond Dickinson (US) LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@365f82e5
- Main IPC: B21C37/00
- IPC: B21C37/00 ; H01M4/66 ; H01M10/0525 ; C22C9/00 ; C25D1/04 ; H01M4/04 ; C25D7/06 ; H01M4/02
Abstract:
The present disclosure provides an electrodeposited copper foil having a puncture strength value and a tear strength value. A ratio of the puncture strength value to the tear strength value is from 14 to 64. The present disclosure also provides a lithium-ion secondary battery. The lithium-ion secondary battery is manufactured by using the electrodeposited copper foil and has excellent charge-discharge cycle life.
Public/Granted literature
- US20200106102A1 COPPER FOIL FOR CURRENT COLLECTOR OF LITHIUM SECONDARY BATTERY AND NEGATIVE ELECTRODE INCLUDING THE SAME Public/Granted day:2020-04-02
Information query
