Performance of PdRu/C anode catalyst for anion-exchange membrane direct ethanol fuel cell

被引：1
|
作者：
Ma, Liang [1 ]
Hsu, Andrew [2 ]
Chen, Rongrong [1 ]
机构：
[1] Indiana Univ Purdue Univ, Richard G Lugar Ctr Renewable Energy, Indianapolis, IN 46202 USA
[2] San Jose State Univ, Dept Mech Engn, San Jose, CA 95192 USA
来源：
POLYMER ELECTROLYTE FUEL CELLS 13 (PEFC 13) | 2013年 / 58卷 / 01期
关键词：
ALKALINE MEDIA; OXIDATION; ELECTROOXIDATION;
D O I：
10.1149/05801.1321ecst
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Carbon supported PdRu catalysts with various Pd: Ru atomic ratios were studied by using X-ray diffraction (XRD), transmission electron microscopy (TEM), electrochemical half-cell tests, and anion-exchange membrane direct ethanol fuel cell (AEM-DEFC) tests. Cyclic voltammetry of ethanol oxidation reactions on the bimetallic catalysts (PdxRuy/C) in alkaline media showed negative shifts of onset potentials and peak potentials in comparison with those observed on Pd/C catalysts. Chronoamperometry (CA) measurements showed much higher steady currents on the bimetallic catalysts than those on the Pd/Ccatalysts. The AEMDEFCs assembled with the bimetallic PdxRuy/C anode catalyst using 3M ethanol showed a peak power density as high as 160 mW cm(-2) at 80. degrees C, about twice higher than that using the Pd/C anode catalyst, which is consistent with the CA test results.
引用
收藏
页码：1321 / 1326
页数：6
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