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Acta Physico-Chimica Sinica  2003, Vol. 19 Issue (04): 380-384    DOI: 10.3866/PKU.WHXB20030422
Note     
Influence of Methanol on the Kinetics of Oxygen Reduction on Pt/C and CoPcTc/C
Li Xu-Guang;Han Fei;Xing Wei;Tang Ya-Wen;Lu Tian-Hong
Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022; College of Chemistry and Environmental Science, Nanjing Normal University, Nanjing 210097
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Abstract  The influences of methanol on the performances of Pt/C and CoPcTc(cobalt of tetracarboxyl phthalocyanine)/C heat-treated at 800 ℃ for oxygen reduction reaction(ORR) were studied and compared. The results showed that for Pt/C electrocatalyst methanol oxidation and ORR occurred with no apparent interaction above 0.64 V and below 0.18 V vs SCE. But in the range of 0.18 to 0.64 V, methanol adversely affects the performance of Pt/C for ORR. The methanol had no effect on the performance of CoPcTc/C heat-treated at 800 ℃ for ORR. Thus CoPcTc/C heat-treated at 800 ℃ is a promising catalyst for ORR with higher activity and good methanol-tolerant ability.

Key wordsPt/C      CoPcTc(cobalt of tetracarboxyl phthalocyanine)/C      Oxygen reduction      Electrocatalyst      Methanol-tolerant     
Received: 10 July 2002      Published: 15 April 2003
Corresponding Authors: Lu Tian-Hong     E-mail: tianhonglu@263.net
Cite this article:

Li Xu-Guang;Han Fei;Xing Wei;Tang Ya-Wen;Lu Tian-Hong. Influence of Methanol on the Kinetics of Oxygen Reduction on Pt/C and CoPcTc/C. Acta Physico-Chimica Sinica, 2003, 19(04): 380-384.

URL:

http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/10.3866/PKU.WHXB20030422     OR     http://www.whxb.pku.edu.cn/Jwk_wk/wlhx/Y2003/V19/I04/380

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