甲醇阳极电氧化催化剂的研究  

Investigation of Methanol Anode Electrooxidation Catalysts

作　　者：文纲要[1] 张颖[1] 杨正龙 李长志[1] 

机构地区：[1]中科院长春应用化学研究所

出　　处：《电化学》1998年第1期73-78,共6页Journal of Electrochemistry

基　　金：国家自然科学基金;吉林省科技发展计划资助

摘　　要：采用化学还原沉积法制备了Ｐｔ－ＷＯ３／Ｃ、Ｐｔ－Ｒｕ／Ｃ和Ｐｔ－Ｒｕ－ＷＯ３／Ｃ系列催化剂．通过循环伏安与电流－电位极化研究了甲醇在不同催化剂／Ｎａｆｉｏｎ膜电极上的电催化氧化．结果表明，三种催化剂的催化活性顺序为：Ｐｔ－Ｒｕ－ＷＯ３／Ｃ＞Ｐｔ－Ｒｕ／Ｃ＞Ｐｔ－ＷＯ３／Ｃ．同时研究了甲醇浓度和催化剂的配比对阳极性能的影响．A series of catalysts, Pt-WO_3/C, Pt/Ru/C and Pt-Ru-WO_3/C were prepared by chemical reduction deposition. Electrocatalytic oxidation of methanol on different catalyst/Nafion membrane electrodes was studies by cyclic voltammetry and currentpotential polarization. The results indicated that the catalytic activity order of different catalysts is as follows: Pt-Ru-WO_3/C>Pt-Ru/C>Pt-WO_3/C. At the same time, influences of methanol concentrations and catalyst proportion on performances of anodes were also studies.

关 键 词：甲醇 电氧化 催化剂 直接甲醇 燃料电池 DMPEMFC 

分 类 号：TM911.4[电气工程—电力电子与电力传动]