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Citation: CHEN Ying, TANG Ya-Wen, GAO Ying, LIU Chang-Peng, XING Wei, LU Tian-Hong. Pd/C catalysts Prepared with Improved Liquid Phase Reduction Method[J]. Chinese Journal of Applied Chemistry, ;2009, 26(8): 985-988. shu

Pd/C catalysts Prepared with Improved Liquid Phase Reduction Method

CHEN Ying ^a ,
TANG Ya-Wen ^a ,
GAO Ying ^b ,
LIU Chang-Peng ^c ,
XING Wei ^c ,
LU Tian-Hong ^a,c,,

1.
a Jiangsu Key Laboratory of Biofunctional Materials, Department of Chemistry, Nanjing Normal University, Nanjing 210097;
2.
b Department of Chemistry, Harbin Normal University, Harbin;;
3.
c Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022

Corresponding author: LU Tian-Hong,
Received Date: 8 July 2008
Available Online: 16 October 2008
Fund Project: 科技部”八六三”计划项目(2007AA05Z143、2007AA05Z159) (2007AA05Z143、2007AA05Z159)国家自然科学基金(20703043,20873065)资助项目 (20703043,20873065)

The Pd/C catalyst as the anodic catalyst in the direct formic acid fuel cell(DFAFC) is prepared with the improved liquid phase reduction method,where Pd/C catalyst with small average size and relative crystalinity of the Pd particles can be prepared if suitable amounts of NaOH are added before the addition of NaBH₄.The average size and relative crystalinity of Pd particles in the Pd/C catalyst prepared are related to the concentration ratio of NaOH and PdCl₂.The average size and relative crystalinity of the Pd particles in the Pd/C catalyst without addition of NaOH are 20.2 nm and 6.29,respectively.When the concentration ratio of NaOH and PdCl₂ is 10,the average size and relative crystalinity of Pd particles in the Pd/C catalyst are 6.7 nm and 3.45,respectively,which exhibits an excellent electrocatalytic activity and stability for the oxidation of formic acid.Because the improved liquid phase reduction method is simple,it may have the potential for practical applications.
- formic acid,
- direct formic acid fuel cell,
- carbon supported Pd catalyst,
- sodium hydroxide,
- liquid phase reduction method
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