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一种硅碳负极用微介孔碳材料及其制备方法

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10Claims · 3 independent
§ Ⅰ

Dossier Overview

Inventor

任天论; 吉祥; 王浩; 张淑婷; 徐泉

Filing Date

Aug 12, 2026

Publication Date

Oct 20, 2026

IPC Classification

C01B 32/05 (2017.01)C23C 16/24 (2006.01)H01M 4/62 (2006.01)H01M 4/583 (2010.01)H01M 10/0525 (2010.01)

本发明属于锂离子电池材料技术领域,具体涉及一种硅碳负极用微介孔碳材料及其制备方法。本发明首先将多孔碳和葡萄糖进行水热反应,进行有机堵孔,之后和无机盐混合,惰性气氛下煅烧,实现无机堵孔处理,之后先二氧化碳活化,在水蒸气活化,最后酸洗,得到孔径优化分布的多孔碳材料。本发明通过调控多孔碳的孔径分布,在有效降低超微孔占比的同时保留有效沉积孔,并精确构建合适占比的小介孔,从而显著提高硅碳复合负极材料的首次库伦效率和倍率性能,满足高能量密度锂离子电池的实际应用需求。

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