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Citation: 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[J]. Acta Physico-Chimica Sinica, ;2003, 19(04): 380-384. doi: 10.3866/PKU.WHXB20030422 shu

Influence of Methanol on the Kinetics of Oxygen Reduction on Pt/C and CoPcTc/C

1.
Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun　130022; College of Chemistry and Environmental Science, Nanjing Normal University, Nanjing　210097

Received Date: 10 July 2002
Available Online: 15 April 2003

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 od methanol-tolerant ability.
- Pt/C;CoPcTc(cobalt of tetracarboxyl phthalocyanine)/C;Oxygen reduction;Electrocatalyst;Methanol-tolerant
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