Preparation of nanoporous carbons with hierarchical pore structure for CO2 capture

被引：14
|
作者：
Tang Zhi-hong [1 ]
Han Zhuo [1 ]
Yang Guang-zhi [1 ]
Zhao Bin [1 ]
Shen Shu-ling [1 ]
Yang Jun-he [1 ]
机构：
[1] Shanghai Univ Sci & Technol, Sch Mat Sci & Engn, Shanghai 200093, Peoples R China
来源：
NEW CARBON MATERIALS | 2013年 / 28卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Nanoporous carbon; CO2 adsorption capacity; Template method; KOH activation; ORDERED MESOPOROUS CARBON; ADSORPTION;
D O I：
10.1016/S1872-5805(13)60065-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nanoporous carbons with a hierarchical pore structure were prepared by a combination of hard-templating of a thermosetting phenolic resin containing silica nanoparticles, pyrolysis and KOH activation. The influence of the amount of KOH on the pore structure of the templated and activated carbons was investigated by N-2 adsorption and the effect of pore structure on the CO2 adsorption capacity was investigated by thermogravimetric analysis. Results indicated that KOH activation promoted the formation of micropores and small mesopores for the templated carbon. The utilization ratio of mesopores for the capture of CO2 is high compared with that of micropores. The porous carbon prepared under a mass ratio of KOH to templated carbon of 2:1 has both developed mesopores and micropores, and has a largest adsorption capacity for CO2 among all samples investigated.
引用
收藏
页码：55 / 60
页数：6
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