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一种电池单体及其制备方法、二次电池、用电设备
InventionUnknown
13Claims · 4 independent
§ Ⅰ
Dossier Overview
Inventor
韩双辉; 赵紫璇; 王倩倩; 欧阳少聪
Filing Date
Apr 7, 2025
Publication Date
Oct 16, 2026
IPC Classification
H01M 10/058 (2010.01)H01M 10/0525 (2010.01)H01M 10/054 (2010.01)H01M 10/42 (2006.01)H01M 50/457 (2021.01)H01M 50/489 (2021.01)H01M 50/431 (2021.01)
一种电池单体及其制备方法、二次电池、用电设备,属于二次电池技术领域;通过控制第二涂层含有第二高分子胶层和无机颗粒涂层,可以使复合层能够较好的形成层之间的结合,同时相比于第一涂层,第二涂层由于无机颗粒涂层的设置,还可以使其表面形成凹凸不平的形貌,能够与负极极片之间形成较好的爬液通道,从而使负极侧的吸液速率大于正极侧的吸液速率,能够匹配负极极片和正极极片对电解液的需求,使电解液可以通过第二涂层与负极极片之间的间隙更快速的爬升,以对负极侧的电解液进行补充,使电解液得到充分的利用,能够改善循环性能。
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