- Patent Title: POSITIVE ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD THEREOF, POSITIVE ELECTRODE PLATE, LITHIUM-ION SECONDARY BATTERY AS WELL AS BATTERY MODULE, BATTERY PACK AND APPARATUS CONTAINING LITHIUM-ION SECONDARY BATTERY
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Application No.: US17565450Application Date: 2021-12-29
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Publication No.: US20220123302A1Publication Date: 2022-04-21
- Inventor: Shushi DOU , Chunhua Hu , Yao Jiang , Qi Wu , Jinhua He , Bin Deng
- Applicant: Contemporary Amperex Technology Co., Limited
- Applicant Address: CN Ningde City
- Assignee: Contemporary Amperex Technology Co., Limited
- Current Assignee: Contemporary Amperex Technology Co., Limited
- Current Assignee Address: CN Ningde City
- Priority: CN20191084557307 20190902
- Main IPC: H01M4/525
- IPC: H01M4/525 ; H01M4/04 ; H01M4/131 ; H01M10/0525
Abstract:
The present application discloses positive electrode active material, preparation method thereof, positive electrode plate, lithium-ion secondary battery and battery module, pack, and apparatus. The positive electrode active material includes a nickel-containing lithium composite oxide satisfying a chemical formula Li1+a[NixCoyMnzMb]O2, in the formula, M is a doping element at transition metal site, 0.5≤x
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