二氧化碳活化法制备高比表面积碳气凝胶  

Preparation of High Specific Surface Area Carbon Aerogels via CO_2 Activation

作　　者：侯今强[1] 沈军[1] 薛辉[1] 吴广明[1] 周斌[1] 倪星元[1] 

机构地区：[1]同济大学波耳固体物理研究所,上海200092

出　　处：《过程工程学报》2005年第6期651-653,共3页The Chinese Journal of Process Engineering

基　　金：国家自然科学基金资助项目(编号:20133040);国家高技术863计划资助项目(编号:2002AA842052);教育部跨世纪优秀人才计划资助项目;上海市纳米科技与产业发展促进中心资助项目(编号:0216nm035;0352nm022;0352nm056);上海市重点学科计划资助项目

摘　　要：以间苯二酚-甲醛为原料,常压干燥条件下制备传统的碳气凝胶,通过活化工艺成功地将其比表面积提高了3倍以上.用比表面积测试及孔径分布、扫描电镜(SEM)等手段对其微观结构进行了表征并优化了工艺参数.Carbon aerogels were synthesized from sol-gel polymerization of resorcinol-formaldehyde and dried under ambient pressure and room temperature. The specific surface area of carbon aerogels after the CO2 activation would be three times larger than that of normal ones. The microstructures of carbon aerogels were investigated by scanning electron microscope （SEM） and specific surface area measurement, and the process parameters were optimized.

关 键 词：碳气凝胶 常压干燥 活化 

分 类 号：TQ127.1[化学工程—无机化工]