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- W1966683089 abstract "Abstract A Pt-Nb 2 O 5 /C electrocatalyst was synthesized by a two-step process as an anode material in direct methanol fuel cell (DMFC). The Pt-Nb 2 O 5 /C catalysts heat-treated at different temperatures (400 and 500 °C) in flowing N 2 were characterized by various methods such as inductively coupled plasma-atomic emission spectroscopy, X-ray diffraction, transmission electron microscopy, and X-ray photoemission spectroscopy (XPS). The heat-treated Pt-Nb 2 O 5 /C catalyst at 400 °C showed the best electrochemical activity for CO and methanol oxidations among the prepared catalysts. The XPS results showed the electronic structure change of Pt, indicating a formation of interaction between Pt and Nb 2 O 5 . It is suggested that a synergistic effect between Pt and Nb 2 O 5 enhances the electrocatalytic activity for CO and methanol oxidations. We believe that Nb 2 O 5 -promoted Pt/C catalyst may be regarded as one of the attractive candidates as an anode material in DMFC." @default.
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- W1966683089 date "2010-06-01" @default.
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- W1966683089 title "A synthesis of CO-tolerant Nb2O5-promoted Pt/C catalyst for direct methanol fuel cell; its physical and electrochemical characterization" @default.
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- W1966683089 doi "https://doi.org/10.1016/j.ijhydene.2010.03.061" @default.
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