双金属片
纳米孔
甲酸
催化作用
合金
电催化剂
阳极
材料科学
三元运算
化学工程
无机化学
化学
冶金
纳米技术
电化学
电极
有机化学
物理化学
工程类
程序设计语言
计算机科学
作者
Caixia Xu,Hao Qin,Huimei Duan
出处
期刊:Journal of materials chemistry. A, Materials for energy and sustainability
[The Royal Society of Chemistry]
日期:2014-01-01
卷期号:2 (23): 8875-8875
被引量:71
摘要
Nanoporous (NP) PdPt alloy with uniform ligament size and controllable bimetallic ratio is easily fabricated through the selective dealloying of Al from PdPtAl ternary alloys. Compared with commercial Pd/C, Pt/C, NP-Pd, and NP-Pt catalysts, the as-prepared NP-PdPt exhibits greatly enhanced electrocatalytic activity for formic acid oxidation. Moreover, NP-PdPt presents superior catalytic durability upon alloying with Pt, with less loss of the formic acid oxidation activity upon long term potential scans. The NP-PdPt alloy holds great potential in applications as a promising anode catalyst in direct formic acid fuel cells.
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