Invention Grant
- Patent Title: Negative active material, preparation method thereof, and related secondary battery, battery module, battery pack and apparatus
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Application No.: US17586725Application Date: 2022-01-27
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Publication No.: US11420875B2Publication Date: 2022-08-23
- Inventor: Chengdu Liang , Yuzhen Zhao , Yingjie Guan , Yan Wen , Qisen Huang
- 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: Law Offices of Liaoteng Wang
- Priority: CN201910688516.2 20190729
- Main IPC: C01B33/18
- IPC: C01B33/18 ; C09C1/30
Abstract:
This application belongs to the field of energy storage technology, and specifically discloses a negative active material including SiOx particles and a modified polymer coating layer covering the SiOx particles, in which 0
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