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二次电池及用电装置
InventionUnknown
10Claims · 2 independent
§ Ⅰ
Dossier Overview
Inventor
吴佳成; 李世松; 郑拓; 李迪武; 汪晓黎; 陈芳
Filing Date
Apr 3, 2025
Publication Date
Oct 16, 2026
IPC Classification
H01M 4/66 (2006.01)H01M 10/0525 (2010.01)
本申请实施例提供了一种二次电池及用电装置，二次电池包括：负极集流体，负极集流体包括第一金属层和第二金属层；第一金属层的晶粒的平均粒径小于第二金属层的晶粒的平均粒径。该二次电池单体的集流体兼具高抗拉强度和良好的韧性。
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