Invention Grant
- Patent Title: Electrode plate and electrochemical device
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Application No.: US17335034Application Date: 2021-05-31
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Publication No.: US11749808B2Publication Date: 2023-09-05
- Inventor: Chengdu Liang , Jing Li , Wei Li , Qingrui Xue , Zige Zhang , Yang Zhang
- Applicant: Contemporary Amperex Technology Co., Limited
- Applicant Address: CN Ningde
- Assignee: Contemporary Amperex Technology Co., Limited
- Current Assignee: Contemporary Amperex Technology Co., Limited
- Current Assignee Address: CN Ningde
- Agency: East IP P.C.
- Priority: CN 1811638405.2 2018.12.29
- Main IPC: H01M4/66
- IPC: H01M4/66 ; H01M4/62 ; H01M4/505 ; H01M4/525 ; H01M10/0525 ; H01M4/02

Abstract:
The electrode plate according to the present application includes a current collector and an electrode active material layer disposed on at least one surface of the current collector, wherein the current collector includes a support layer and a conductive layer disposed on at least one surface of the support layer, the conductive layer has a single-sided thickness D2 satisfying: 30 nmD23 μm; and a conductive primer layer containing a first conductive material and a binder is provided between the current collector and the electrode active material layer, and the first conductive material in the conductive primer layer comprises at least one of a one-dimensional conductive material and a two-dimensional conductive material. The electrode plate of the present application has good workability, and the electrochemical device including the electrode plate has high energy density, good electrical performance and long-term reliability.
Public/Granted literature
- US20210296654A1 ELECTRODE PLATE AND ELECTROCHEMICAL DEVICE Public/Granted day:2021-09-23
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