%0 Journal Article
%T Three-dimensional ordered macroporous platinum-based electrode for methanol oxidation
%A ZHANG Dai
%A GAO Wei
%A XIA Xinghua
%A CHEN Hongyuan
%A <br>ZHANG
%A Dai
%A GAO
%A Wei
%A XIA
%A Xinghua
%A CHEN
%A Hongyuan
%J 科学通报(英文版)
%D 2006
%I 
%X In this paper, three-dimensional ordered macroporous platinum catalysts with high real sur- face area were synthesized using the inverted col- loidal crystals template technique and have been employed for the electrooxidation of methanol. The morphology and electrocatalytic behavior of the po- rous Pt electrodes were investigated with atomic force microscopy and electrochemical techniques. For the same amount of Pt deposited, the real sur- face areas of the electrodes are 9.16 and 8.00 cm2 for the porous electrodes with pore size of 320 and 500 nm respectively, which are more than 5 times larger than the directly deposited Pt electrode (1.4 cm2). The pore size effect on the methanol elec- trooxidation was investigated by testing low concen- tration solution of methanol and porous materials with different pore sizes. The synthesized macroporous Pt electrode shows high stability toward the electrooxi- dation of methanol and is promising for the direct methanol fuel cell.
%K 3D macroporous electrode
%K platinum
%K methanol
%K electro- catalysis<br>大孔电极
%K 铂
%K 甲醇
%K 电催化
%K 氧化
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=01BA20E8BA813E1908F3698710BBFEFEE816345F465FEBA5&cid=96E6E851B5104576C2DD9FC1FBCB69EF&jid=DD6615BC9D2CFCE0B6F945E8D5314523&aid=BAF4186AD01328C93E16E7A766022DC8&yid=37904DC365DD7266&vid=987EDA49D8A7A635&iid=CA4FD0336C81A37A&sid=2A8D03AD8076A2E3&eid=B91E8C6D6FE990DB&journal_id=1001-6538&journal_name=科学通报(英文版)&referenced_num=0&reference_num=29