Invention Grant
- Patent Title: Negative electrode plate and battery
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Application No.: US16395707Application Date: 2019-04-26
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Publication No.: US11296321B2Publication Date: 2022-04-05
- Inventor: Yuliang Shen , Meng Kang , Tianquan Peng , Jiazheng Wang , Libing He
- 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: Morgan, Lewis & Bockius LLP
- Priority: CN201810418614.X 20180504
- Main IPC: H01M4/583
- IPC: H01M4/583 ; H01M4/133 ; C01B32/20 ; H01M4/02

Abstract:
The present disclosure provides a negative electrode plate and a battery, the negative electrode plate comprises a negative current collector and a negative film, the negative film is provided on at least one surface of the negative current collector and comprises a negative active material, the negative active material comprises graphite, and the negative electrode plate satisfies a relationship: 0.27≤P×1.1/G+2/VOI≤1.3, P represents a porosity of the negative film, G represents a graphitization degree of the negative active material, VOI represents an OI value of the negative film. The battery of the present disclosure can have the characteristics of long cycle life, high energy density and excellent dynamics performance at the same time.
Public/Granted literature
- US20190341612A1 NEGATIVE ELECTRODE PLATE AND BATTERY Public/Granted day:2019-11-07
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