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Preparation and characterization of Pt/C catalysts for PEMFC cathode: effect of different reduction methods
Authors:Jianlu Zhang   Xiaoli Wang   Chuan Wu   Hongmin Wang   Baolian Yi  Huanmin Zhang
Affiliation:(1) Fuel cell R &D Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences Dalian, 116023, China
Abstract:Three Pt/C catalysts for PEMFC cathode were prepared by impregnation-reduction method using HCHO, NaBH4, and N2H4 as reductant, respectively, and characterized by BET, CV and XRD. The effect of reduction methods on the activity of catalysts was investigated. Compared with NaBH4 and N2H4, HCHO is the most suitable one among the three reductants. The catalytic activity for oxygen reduction is in the order Pt(HCHO) > Pt(NaBH4) > Pt(N2H4). This revised version was published online in June 2006 with corrections to the Cover Date.
Keywords:Pt/C catalyst  reduction method  PEMFC
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