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Structural and Morphological Properties of Carbon Supports [electronic resource] : Effect on Catalyst Degradation

Published
Washington, D.C. : United States. Dept. of Energy, 2010.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
425 - 431 : digital, PDF file
Additional Creators
United States. Department of Energy, United States. Department of Energy. Office of Energy Efficiency and Renewable Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
The object of this work was to identify correlations between performance losses of Pt electrocatalysts on carbon support materials and the chemical and morphological parameters that describe them. Accelerated stress testing, with an upper potential of 1.2 V, was used to monitor changes to cathode properties, including kinetic performance and effective platinum surface area losses. The structure and chemical compositions were studied using X-ray Photoelectron Spectroscopy and Scanning Electron Microscopy coupled with Digital Image Processing. As this is an ongoing study, it is difficult to draw firm conclusions, though a trend between support surface area overall performance loss was found to exist.
Report Numbers
E 1.99:doe/e0000466-4
doe/e0000466-4
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Note
Published through SciTech Connect.
07/01/2010.
"doe/e0000466-4"
ECS Transactions 33 1
218 ECS Conference Presentation B7-D3.1 #899, Las Vegas, 10 – 15 October 2010.
Young, Alan; Atanassov, Plamen; Ye, Siyu; Artyushkova, Kateryna; Wessel, Silvia; Colbow, Vesna; Dutta, Monica; Patel, Anant; Ahmad, Zaid.
Ballard Power Systems, Burnaby, BC
Funding Information
EE0000466
View MARC record | catkey: 14389808