Invention Publication
- Patent Title: NEGATIVE ELECTRODE PLATE, SECONDARY BATTERY, AND APPARATUS CONTAINING THE SECONDARY BATTERY
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Application No.: US18531739Application Date: 2023-12-07
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Publication No.: US20240250247A1Publication Date: 2024-07-25
- Inventor: Jing Li , Yang Zhang , Qingrui Xue , Wei Li
- 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: CN 2010201599.0 2020.03.20
- Main IPC: H01M4/36
- IPC: H01M4/36 ; H01M4/02 ; H01M4/587 ; H01M10/0525

Abstract:
The present application discloses a negative electrode plate including a negative electrode active material layer including a first active material layer; wherein in a first cross section in a thickness direction of the negative electrode plate, the first active material has a particle size a in a direction parallel to the metal conductive layer, the first active material has a particle size b in the thickness direction, satisfying 0.8≤a/b≤20; in a second cross section in the thickness direction, the first active material has a particle size c in the direction parallel to the metal conductive layer, the first active material has a particle size d in the thickness direction, satisfying 0.8≤c/d≤20; and the first cross section is parallel to a first direction, the second cross section is parallel to a second direction, and the first direction intersects the second direction.
Public/Granted literature
- US12294081B2 Negative electrode plate, secondary battery, and apparatus containing the secondary battery Public/Granted day:2025-05-06
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