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Title: Electrocatalytic properties of platinum catalyst for methanol electrooxidation enhanced by nafion-thionine ion-pair
Authors: Zhong, Xinxian
Chen, Jinhua
Yang, Lei
Sun, Xinping
Issue Date: Apr-2008
Publisher: CSIR
IPC Code: Int. Cl. ⁸ B01J23/42; C25B3/02
Abstract: Nafion (Nf)-thionine (Th) ion-pair as dispersant and second catalyst has been introduced in Pt catalyst for methanol electrooxidation and the resulting catalyst supported on carbon (NfThPt/C) has been investigated by electrochemical method. For the same loading mass of Pt, the peak current density of methanol oxidation on the NfThPt/C/graphite electrode is about 7.25 and 3.04 times as high as that on the E-TEK Pt/C/graphite and E-TEK PtRu/C/graphite electrodes, respectively. Moreover, NfThPt/C catalyst shows excellent anti-poisoning ability and long-term cycle stability. The electrocatalytic properties of Pt for methanol electrooxidation are improved by Nf-Th ion-pair.
Page(s): 504-509
ISSN: 0376-4710
Appears in Collections:IJC-A Vol.47A(04) [April 2008]

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