Fabrication of activated carbons with well-defined macropores derived from sulfonated poly(divinylbenzene) networks

被引：60

作者：

Hasegawa, George ^{[1
]}

Kanamori, Kazuyoshi ^{[1
]}

Nakanishi, Kazuki ^{[1
]}

Hanada, Teiichi ^{[1
]}

机构：

[1] Kyoto Univ, Grad Sch Sci, Dept Chem, Sakyo Ku, Kyoto 6068502, Japan

来源：

CARBON | 2010年 / 48卷 / 06期

基金：

日本科学技术振兴机构;

关键词：

RECHARGEABLE LITHIUM BATTERIES; LIVING RADICAL POLYMERIZATION; POROUS CARBON; MONOLITHS; COPOLYMERS; ADSORPTION; SEPARATION; TEMPLATES; POROSITY; PORES;

D O I：

10.1016/j.carbon.2010.01.019

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：

Poly(divinylbenzene) (PDVB) monoliths with well-defined macropores that have been sulfonated and carbonized to obtain macroporous carbon monoliths. The original macroporous PDVB networks have been synthesized by living radical polymerization accompanied by spinodal decomposition. Sulfonation prevents polymer networks from large shrinkage and weight loss during carbonization by heat-treatment in an inert atmosphere. In the case of PDVB gels sulfonated at 120 degrees C using conc. H2SO4, mesopores in the original skeletons as well as macropores are retained after carbonization. The obtained carbon monoliths are subsequently activated by CO2, which resulted in activated carbons. The specific surface area of the obtained activated carbons reaches up to 2360 m(2) g(-1). (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：1757 / 1766

页数：10

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