Title:
CATHODE SHEET AND ELECTRODE ASSEMBLY HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2021/003679
Kind Code:
A1
Abstract:
The present application provides a cathode sheet. The cathode sheet comprises a first winding end and a second winding end along a length direction. The cathode sheet further comprises a cathode current collector and a first cathode active layer. The first cathode active layer is disposed on the surface of the cathode current collector. The first cathode active layer comprises a first end part located at the first winding end. A first notch or a first barrier layer is provided at the corner of the first end part. The present application also provides an electrode assembly having the cathode sheet.
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Inventors:
CAI ZHENGHUANG (CN)
LONG HAI (CN)
LONG HAI (CN)
Application Number:
PCT/CN2019/095323
Publication Date:
January 14, 2021
Filing Date:
July 09, 2019
Export Citation:
Assignee:
NINGDE AMPEREX TECHNOLOGY LTD (CN)
International Classes:
H01M4/139; H01M10/0587
Foreign References:
CN205992575U | 2017-03-01 | |||
CN102969483A | 2013-03-13 | |||
CN109193025A | 2019-01-11 | |||
CN109494413A | 2019-03-19 | |||
CN102324573A | 2012-01-18 | |||
JPH11307128A | 1999-11-05 |
Other References:
See also references of EP 3846253A4
Attorney, Agent or Firm:
SHENZHEN SCIENBIZIP INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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