一种碳包覆硅纳米线、制备方法及其制得的锂电池
CN116706043BActive Publication Date: 2026-07-17TOMI CHENGDU APPLIED TECH RES INST CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- TOMI CHENGDU APPLIED TECH RES INST CO LTD
- Filing Date
- 2022-02-28
- Publication Date
- 2026-07-17
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Figure CN116706043B_ABST
Abstract
本发明提供了一种碳包覆硅纳米线、制备方法及其制得的锂电池,先对硅纳米线进行表面改性,再采用高粘度的液相碳源在改性硅纳米线的表面均匀包覆了碳,碳源粘度大,碳含量较高,挥发分少,包覆产物颗粒机械性能更加优异,形貌均一,颗粒在合浆、涂布和辊压过程中不易发生破碎,具有优异的循环性能;且通过高压下的多段烧结反应,有效提高碳源对硅纳米线材料的浸润能力,从而有效提高高粘度碳源对于硅纳米线包覆完整性。
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