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Type: Artigo de periódico
Title: Performance of a DMFC Using Pt-Ru/C Catalysts Prepared by Reduction with Formic Acid
Author: Lizcano-Valbuena, WH
de Souza, A
Paganin, VA
Leite, CAP
Galembeck, F
Gonzalez, ER
Abstract: In this work Pt-Ru/C catalysts are prepared in different atomic ratios by reduction with formic acid and submitted to thermal treatment in a hydrogen atmosphere. Physical characterisation of the materials by XRD, EDX, and TEM shows that the particle site increases as a consequence of the thermal treatments and this effect is relevant in the electrochemical behaviour of these materials in a DMFC. Finally, the performance of the DMFC with different flow fields is examined.
Subject: direct methanol fuel cells (DMFC)
Pt-Ru/C catalysts
thermal treatment
particle site effect
DMFC performance
Country: EUA
Editor: Wiley-blackwell
Rights: fechado
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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