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Citation: WANG Yanen, CAO Shuang, TANG Yawen, WANG Chun, MA Jingjun, LU Tianhong. Electrocatalytic Performance of the Carbon-Supported Pt-P Catalyst for Oxygen Reduction[J]. Chinese Journal of Applied Chemistry, ;2011, 28(1): 44-47. doi: 10.3724/SP.J.1095.2011.00190 shu

Electrocatalytic Performance of the Carbon-Supported Pt-P Catalyst for Oxygen Reduction

WANG Yanen ^a ,
CAO Shuang ^b ,
TANG Yawen ^c ,
WANG Chun ^a ,
MA Jingjun ^a ,
LU Tianhong ^c,,

1.
a College of Sciences, Hebei Agricultural University, Baoding;
2.
b Earth Sciences and Resources Department, Great Wall College, China University of Geosciences, Baoding;
3.
c College of Chemistry and Environmental Science, Nanjing Normal University, Nanjing 210097

Corresponding author: LU Tianhong,
Received Date: 2 April 2010
Available Online: 18 June 2010
Fund Project: 科技部"八六三"计划(2007AA05Z143,2007AA05Z159) (2007AA05Z143,2007AA05Z159)国家自然科学基金(20873065,21073094)资助项目 (20873065,21073094)

The carbon-supported Pt-P(Pt-P/C) catalyst(m(Pt):m(P)=5:1) was prepared with NaH₂ PO₂ reduction method. The X-ray diffraction results indicate that the 2θ values of the Pt diffraction peaks of the Pt-P/C catalyst are slightly greater than those of the Pt/C catalyst, illustrating that P has entered into the crystal lattice of Pt and forms the Pt-P alloy. The electrochemical measurements demonstrated that the electrocatalytic performance of the Pt-P/C catalyst for the oxygen reduction is better than that of the commercial E-TEK Pt/C catalyst with 40 mV positive shift of reduction potential, which may be attributed to the P action because the average size and the relative crystallinity of the Pt-P particles in the Pt-P/C catalyst are similar to those in Pt/C catalyst.
- proton exchange membrane fuel cell,
- carbon-supported Pt-P catalyst,
- carbon-supported Pt catalyst,
- oxygen reduction
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