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锂离子电池、正极活性复合材料、制备方法及用电设备
InventionUnknown
10Claims · 4 independent
§ Ⅰ
Dossier Overview
Inventor
徐祥; 孙成栋; 郑义
Filing Date
Apr 11, 2025
Publication Date
Oct 20, 2026
IPC Classification
H01M 10/0525 (2010.01)H01M 10/058 (2010.01)H01M 4/36 (2006.01)H01M 4/525 (2010.01)H01M 4/505 (2010.01)H01M 4/62 (2006.01)
本申请公开了一种锂离子电池、正极活性复合材料、制备方法及用电设备，锂离子电池包括正极极片；正极极片包括集流体和正极活性层，正极活层设于集流体的至少一侧；正极活性层包括正极活性复合材料；正极活性复合材料的颗粒包括正极活性材料的颗粒和位于正极活性材料的颗粒至少部分表面的改性层；改性层包括含氢硅树脂基团中的一种或多种。本申请利用该种正极活性复合材料，提升了锂离子电池的首次充放电效率和循环寿命。
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