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Preparation and Characterization of Anode Pt-based Catalysts for Direct Ethanol Fuel Cells Based on Different Carbon Carriers
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Affiliation:

Inner Mongolia University of Science & Technology,

Clc Number:

TM911.4

Fund Project:

Supported by the National Natural Science Foundation of China (51474133), funded by the Youth Talent Incubator Platform Funding Project of the School of Materials and Metallurgy, Inner Mongolia University of Science and Technology (2014CY012)

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    Abstract:

    In this paper, activated carbon, mesoporous carbon, carbon nanotubes and graphene were used as catalyst carriers, CeO2 was added as cocatalyst, and five groups of catalysts were prepared by microwave-assisted glycol reduction of chloroplatinic acid. X-ray diffraction (XRD), scanning electron microscopy (SEM) and electron energy spectrum (EDAX), specific surface area and pore size analyzer (BET), and X-ray photoelectron spectroscopy (XPS) were used to characterize the microstructure of CeO2 and catalysts. The electrochemical performance of the catalysts was tested by electrochemical workstation. The results showed that the catalyst synthesized with graphene as the carrier and CeO2 as the co-catalyst have the best activity, stability and resistance to poisoning for the catalytic oxidation of ethanol. The electrochemical active area is 86.83 m2/g, the peak current density value is 751.03 A/g, the activation energy for the catalytic oxidation of ethanol is the lowest and the steady state current density at 1100s is 67.33 A/g.

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[guoruihua. Preparation and Characterization of Anode Pt-based Catalysts for Direct Ethanol Fuel Cells Based on Different Carbon Carriers[J]. Rare Metal Materials and Engineering,2019,48(7):2284~2291.]
DOI:10.12442/j. issn.1002-185X.20180507

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History
  • Received:May 18,2018
  • Revised:July 04,2018
  • Adopted:July 31,2018
  • Online: August 01,2019
  • Published: