Structural changes in carbon aerogels with high temperature treatment

被引：127
|
作者：
Hanzawa, Y
Hatori, H
Yoshizawa, N
Yamada, Y
机构：
[1] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058569, Japan
[2] Japan Sci & Technol Corp, Kawaguchi, Saitama 3320012, Japan
来源：
CARBON | 2002年 / 40卷 / 04期
基金：
日本学术振兴会;
关键词：
carbon aerogel; heat treatment; adsorption; porosity; textures;
D O I：
10.1016/S0008-6223(01)00150-6
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The structural change of carbon aerogels at high temperatures up to 2800 degreesC has been investigated. Change in microtexture of fine particles, which constitute carbon aerogels derived from phenolic resin, was of atypical non-graphitized carbon. The microporosity decreased with an increase of heat-treatment temperature, and disappeared at 2000 degreesC. The mesoporosity still remained even after heat-treatment up to 2800 degreesC, though 50% of mesopore volume was lost because of the fusion of the particles with the change of carbon microtexture. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：575 / 581
页数：7
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