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Citation: ZHANG Ling-Ling, TANG Ya-Wen, LU Tian-Hong, ZHOU Yi-Ming, GAO Ying, LI Cun. Electrocatalytic Performance of Pd/C Catalyst Prepared with Organic Sol Method for Oxidation of Formic Acid[J]. Chinese Journal of Applied Chemistry, ;2007, 24(5): 525-529. shu

Electrocatalytic Performance of Pd/C Catalyst Prepared with Organic Sol Method for Oxidation of Formic Acid

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a School of Chemistry and Environmental Science, Nanjing Normal University, Nanjing 210097;
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b Changchun Institute of Applied Chemistry, Chinese Acadmy of Sciences, Changchun;
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c Department of Chemistry, Harbin Normal University, Harbin

Corresponding author: LI Cun,
Received Date: 9 June 2006
Available Online: 15 August 2006
Fund Project: 国家自然科学基金(20373068,20433060,20573057,20573029) (20373068,20433060,20573057,20573029)江苏省自然科学基金(BK2006224) (BK2006224)江苏省教育厅自然科学基金(05KJB150061)资助项目 (05KJB150061)

Carbon supported Pd(Pd/C) catalyst for the oxidation of formic acid in the direct formic acid fuel cell (DFAFC) was prepared with an improved organic sol method.When the Pd/C catalyst is prepared via the improved organic sol method with ethanol as the solvent and SnCl₂ as the reductant,the procedure is simple and the cost is low.Especially,it was found that in this method,controlling the evaporation temperature of the solvent could control the average size and the relative crystallinity of the Pd particles in the Pd/C catalyst.The evaporation temperature of the solvent is not proportional to the average size and the relative crystallinity of the Pd particles in the Pd/C catalyst.When a suitable evaporation temperature is selected,the Pd/C catalyst with the average size as small as 6.5 nm and the relative crystallinity as low as 2.85 of the Pd particles could be obtained.It was found that the Pd/C catalyst with smaller average size and lower relative crystallinity shows a high electrocatalytic performance for the oxidation of formic acid.
- formic acid,
- direct formic acid fuel cell,
- carbon supported Pd catalyst,
- organic sol method
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