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一种高比例中介孔无序多孔炭材料及其三段式制备方法

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10Claims · 2 independent
§ Ⅰ

Dossier Overview

Inventor

官忠明; 俞行星; 李浩彬; 聂玉珏; 颜佳婷; 蔡雨晴

Filing Date

Sep 16, 2026

Publication Date

Oct 27, 2026

IPC Classification

C01B 32/336 (2017.01)C01B 32/324 (2017.01)B82Y 30/00 (2011.01)B82Y 40/00 (2011.01)

本发明涉及炭材料制备技术领域,公开了一种高比例中介孔无序多孔炭材料及其三段式制备方法。其中方法先将含碳前驱体粉体与化学发泡剂高温碳化,制得超高孔容发泡碳基体,再以液态碳溶液为增厚剂真空浸渍基体,干燥后二次碳化,碳沉积孔壁收缩大介孔;最后在氧化性气氛轻度活化,优先扩微孔至中介孔区间。本发明依托毛细管选择性沉积、曲率选择性活化双向调控,无需模板,所得材料呈三维连通无序孔结构,总孔容≥0.5cm³/g,2~10nm中介孔孔容占比>70%,微孔(<2nm)占比低于25%,大介孔(10‑50nm)占比低于5%。该工艺原料廉价、流程简易、绿色低废,适配农林废弃物、树脂等多种前驱体,产物传质性能优异,可用于负极材料用多孔炭、VOCs吸附、催化载体等领域。

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