2009
DOI: 10.1016/j.jpowsour.2008.11.065
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Carbon-supported PdM (M=Au and Sn) nanocatalysts for the electrooxidation of ethanol in high pH media

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Cited by 203 publications
(105 citation statements)
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“…Therefore, in recent years, a number of studies have focused on non-platinum electrocatalysts. [1][2][3][4][5] Compared to the platinum-group metals, bulk gold has attracted little attention in electrocatalysis, largely because of its poor catalytic performance. However, when the dimensions of the gold catalysts are diminished to the nanoscale, the materials properties exhibit a dramatic deviation from those of bulk Au.…”
Section: Wei Chen and Shaowei Chen*mentioning
confidence: 99%
“…Therefore, in recent years, a number of studies have focused on non-platinum electrocatalysts. [1][2][3][4][5] Compared to the platinum-group metals, bulk gold has attracted little attention in electrocatalysis, largely because of its poor catalytic performance. However, when the dimensions of the gold catalysts are diminished to the nanoscale, the materials properties exhibit a dramatic deviation from those of bulk Au.…”
Section: Wei Chen and Shaowei Chen*mentioning
confidence: 99%
“…The onset potential of ethanol oxidation on the PdAuNWAs electrode was 123 mV more negative compared with that on the Pd NWAs due to the synergistic effect of Pd-Au bimetallic alloy. He et al [161] prepared carbon-supported Pd4Au and Pd2.5Sn-alloyed nanoparticles, the results suggested that the Pd-based alloy catalysts represented promising candidates for the oxidation of ethanol. The Pd4Au/C displayed the best catalytic activity among the series for the ethanol oxidation in alkaline media.…”
Section: Pdau Alloysmentioning
confidence: 99%
“…[ 4 ] Moreover, palladium bimetallic alloys, instead of pure palladium, possess enhanced electrochemical activities because the bimetallic alloys can facilitate desorption of molecule species and result in more surface site availability and thus higher catalytic activity. [ 5 ] For examples, PdSn, Pd 50 Co 50 and PdAu bimetallic catalysts exhibit much higher catalytic activity and stability for electrooxidation of formic acid and ethanol than commercial Pd/C catalyst; [6][7][8][9] and PdFe and PdCu alloys possess enhanced performances in oxygen reduction reaction (ORR). [ 10,11 ] In order to maximize the catalytic activities of Pd-based alloys, it is necessary to optimize the morphology of the catalysts besides the compositions.…”
Section: Introductionmentioning
confidence: 99%