碳毡电极及膨化石墨电极上氧的催化还原研究  

OXYGEN REDUCTION AT THE ELECTRODES OF CARBON FELT AND EXFOLIATED GRAPHITE

作　　者：杨松青[1] 胡耐根[1] 杨立铭 

机构地区：[1]中南工业大学冶金物理化学与化学新材料研究所

出　　处：《中南工业大学学报》1998年第2期189-192,共4页Journal of Central South University of Technology(Natural Science)

基　　金：国家教委博士点基金

摘　　要：用不同的氧化剂对碳毡进行处理，发现经ＫＭｎＯ４处理的碳毡电极对氧还原的催化活性最好，并用电化学方法得到了碳毡的真实面积为其表观面积的２６６倍．用混合液相法成功地合成了ＳｂＣｌ５－石墨层间化合物，发现Ｓｂ－Ｃｌ５－石墨层间化合物可以膨化，且膨化倍数明显地高于Ｈ２ＳＯ４－石墨层间化合物．膨化石墨对氧还原的催化作用和石墨是一致的．おome novel carbon materials such as carbon felt,exfoliated graphite,graphite intercalation compounds(GICs)metal etc. have been systematically studied in our laboratory.In this paper the carbon felt and the exfoliated graphite are reported first.Carbon felts have been treated with different oxidants.It is shown that the carbon felt treated with KMnO4 has the best catalytic activities.Electrochemical measurements indicate that the true area is 266 times of the apparent area.GICsSbCl5 has been successfully synthetized with liquid mixed method.The GICsSbCl5 can be exfoliated and the exfoliated volumes are much larger than that of GICsH2SO4.The catalytic activities of the exfoliated graphite are the same as graphite. Another report about GICsNi and GICsCo will be published soon.

关 键 词：碳 膨化石墨 氧还原 碳毡电极 石墨电极 

分 类 号：O646.7[理学—物理化学] TM24[理学—化学]