Paper Title:
Study on Hydrogen Evolution Properties of Carbon Supported PtCu-LaOx Membrane Electrode Materials
  Abstract

In order to reduce production cost of making H2, one of the key points was to reduce Pt loading in Pt/C catalytic electrode. In our study, a new type of Pt/C membrane electrodes, PtCu-LaOx/C (abbr. PCL) and LaOx-PtCu/C (abbr. LPC) double-layer structure, in which Pt nanometer particles homogeneously dispersed on the surface of carbonaceous substrates were manufactured by Ion Beam Sputtering (IBS) technology. The hydrogen evolution polarization curves of these double-layer membrane electrodes were tested by three-electrode system, and the optimal sample was selected by the calculation results of their exchange current density (i0) and decomposition voltage (Ed). It was found that PCL with Pt loading less than 0.05mg/cm2 (the electrode area) whose decomposition voltage and exchange current density was -0.204(V vs SCE) and 147.0μA/cm2 respectively in balanced condition.

  Info
Periodical
Advanced Materials Research (Volumes 311-313)
Chapter
Hydrogen and Fuel Cell Science, Engineering & Technology
Edited by
Zhongning Guo
Pages
2344-2347
DOI
10.4028/www.scientific.net/AMR.311-313.2344
Citation
B. Yang, T. Xu, "Study on Hydrogen Evolution Properties of Carbon Supported PtCu-LaOx Membrane Electrode Materials", Advanced Materials Research, Vols. 311-313, pp. 2344-2347, 2011
Online since
August 2011
Authors
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Price
$32.00
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