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Citation: WANG Fu-Ming, TANG Ya-Wen, LIU Chang-Peng, XING Wei, LU Tian-Hong. Electrocatalytic Performance of Pd Catalyst on Composite Supporter of TiC and Carbon for Oxidation of Formic Acid[J]. Chinese Journal of Applied Chemistry, ;2009, 26(7): 831-834. shu

Electrocatalytic Performance of Pd Catalyst on Composite Supporter of TiC and Carbon for Oxidation of Formic Acid

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a Jiangsu Key Laboratory of Biofunctional Materials, College of Chemistry and Environmental Science, Nanjing Normal University, Nanjing 210097;
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b Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022

Corresponding author: LU Tian-Hong,
Received Date: 24 June 2008
Available Online: 22 August 2008
Fund Project: 科技部“八六三”计划项目(2006AA05Z137,2007AA05Z143,2007AA05Z159) (2006AA05Z137,2007AA05Z143,2007AA05Z159)国家自然科学基金(20433060,20573057,20703043)资助项目 (20433060,20573057,20703043)

The electrocatalytic performance of Pd/TiC-C catalysts for the oxidation of formic acid was investigated.It was found that the electrocatalytic performance of Pd/TiC-C catalysts for the oxidation of formic acid in the direct formic acid fuel cell(DFAFC) is better than that of Pd/C catalyst.Furthermore,the electrocatalytic performance of Pd/TiC-C catalysts is related to the mass ratio of C and TiC.When the mass ratio of C and TiC is 2:1,the electrocatalytic activity and stability of Pd/TiC-C catalyst is the best.The peak potential of the oxidation of formic acid at Pd/TiC-C catalyst with a mass ratio of 2:1 is located at 0.164 V,which is 12 mV more negative than that at Pd/C catalyst electrode.The peak current density is 23.08×10^-3 A/cm²,which is 42% larger than that at Pd/C catalyst electrode.
- titanium carbide,
- palladium,
- active carbon,
- direct formic acid fuel cell
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