一步热分解法制备碳化钨/石墨碳复合物及其在甲醇燃料电池阳极催化剂中的应用  

Single-step pyrolytic preparation of tungsten carbide / graphitic carbon composite as carrier for methanol fuel cells

作　　者：王瑞红[1] 付宏刚[1] 

机构地区：[1]黑龙江大学功能无机材料化学教育部重点实验室,哈尔滨150080

出　　处：《黑龙江大学自然科学学报》2014年第2期204-210,281,共7页Journal of Natural Science of Heilongjiang University

基　　金：黑龙江省教育厅科学技术研究项目(12511388)

摘　　要：本文以廉价的商业离子交换树脂为碳源,采用一步热分解的方法制备了碳化钨/石墨碳(WxCy/GC)复合物。通过XRD、Raman、TG等测试手段研究了复合物的形成过程,通过SEM和TEM对产物的形貌进行了分析。该复合物负载Pt纳米粒子后形成了三元Pt-WxCy/GC催化剂,其电催化活性是商业Vulcan carbon载体负载Pt催化剂的1.75倍。A single step heat treatment strategy was developed to prepare WxCy/GC nanocomposite using low-cost commercial ion-exchange resin as the carbon resource. The composite formation process was investigated by XRD, Raman and TG. Morphology of the composite was studied by SEM and TEM. After loading Pt particles, a new catalyst Pt-WxCy/GC exhibited a highly catalytic activity, which was 1.75 times of that of commercial catalyst, Vulcan carbon supported Pt.

关 键 词：碳化钨 离子交换树脂 石墨碳 电催化剂载体 燃料电池 

分 类 号：TG146.2[一般工业技术—材料科学与工程]