Structural and Morphological Properties of Carbon Supports: Effect of Catalyst degradation, ECS Transactions 33(1), 425 (2010)

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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, A.; Artyushkova, K.; Atanassov, P.; Young, A.; Dutta, M.; Ahmad, Z. et al. April 1, 2011.

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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

Notes

Requests to Anant Patel

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  • Journal Name: ECS Transactions; Journal Volume: 33; Journal Issue: 1; Conference: 218th Meeting of the Electrochemical Society, Las Vegas, 1- 5 October 2010,

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  • Report No.: DOE/EE0000466-1
  • Grant Number: EE0000466
  • Office of Scientific & Technical Information Report Number: 1038300
  • Archival Resource Key: ark:/67531/metadc840047

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  • April 1, 2011

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  • May 19, 2016, 3:16 p.m.

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  • Dec. 9, 2016, 7:21 p.m.

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Patel, A.; Artyushkova, K.; Atanassov, P.; Young, A.; Dutta, M.; Ahmad, Z. et al. Structural and Morphological Properties of Carbon Supports: Effect of Catalyst degradation, ECS Transactions 33(1), 425 (2010), article, April 1, 2011; United States. (digital.library.unt.edu/ark:/67531/metadc840047/: accessed June 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.