Structural and Morphological Properties of Carbon Supports: Effect on Catalyst Degradation

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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 ... continued below

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425 - 431

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Patel, Anant; Artyushkova, Kateryna; Atanassov, Plamen; Young, Alan; Dutta, Monica; Ahmad, Zaid et al. July 1, 2010.

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Description

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.

Physical Description

425 - 431

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  • Journal Name: ECS Transactions; Journal Volume: 33; Journal Issue: 1; Conference: 218 ECS Conference Presentation B7-D3.1 #899, Las Vegas, 10 – 15 October 2010

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  • Report No.: DOE/E0000466-4
  • Grant Number: EE0000466
  • DOI: 10.1149/1.3484541 | External Link
  • Office of Scientific & Technical Information Report Number: 1084689
  • Archival Resource Key: ark:/67531/metadc841878

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  • July 1, 2010

Added to The UNT Digital Library

  • May 19, 2016, 9:45 a.m.

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  • July 22, 2016, 4:26 p.m.

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Patel, Anant; Artyushkova, Kateryna; Atanassov, Plamen; Young, Alan; Dutta, Monica; Ahmad, Zaid et al. Structural and Morphological Properties of Carbon Supports: Effect on Catalyst Degradation, article, July 1, 2010; United States. (digital.library.unt.edu/ark:/67531/metadc841878/: accessed October 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.