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Impact of PtRu anode catalyst degradation on DMFC MEA performance

Impact of PtRu anode catalyst degradation on DMFC MEA performance
Impact of PtRu anode catalyst degradation on DMFC MEA performance
This paper reports an 'MEA based' accelerated ageing test designed primarily to investigate stability of anode catalysts for DMFCs. The effect of potential cycling on the anode with increasing number of cycles is investigated. Methanol stripping voltammetry is used to characterize changes at both the anode and cathode catalysts and the changes observed are related to quantitative changes in performance of the MEA polarization data. Changes in catalyst morphology and surface composition are characterized by TEM. In particular, comparisons between unsupported PtRu ('black') and carbon supported PtRu catalysts are made.


1938-5862
483-496
Cabello-Moreno, N.
9656bd9c-d249-4956-aa46-9648644b5026
Crabb, E.
4b0cf6ed-fd9e-472e-be3a-46209604e5de
Fisher, J.
d277c4f6-3571-43db-983d-0d57c05a1e27
Russell, Andrea E.
b6b7c748-efc1-4d5d-8a7a-8e4b69396169
Cabello-Moreno, N.
9656bd9c-d249-4956-aa46-9648644b5026
Crabb, E.
4b0cf6ed-fd9e-472e-be3a-46209604e5de
Fisher, J.
d277c4f6-3571-43db-983d-0d57c05a1e27
Russell, Andrea E.
b6b7c748-efc1-4d5d-8a7a-8e4b69396169

Cabello-Moreno, N., Crabb, E., Fisher, J. and Russell, Andrea E. (2008) Impact of PtRu anode catalyst degradation on DMFC MEA performance. ECS Transactions, 16 (2), 483-496. (doi:10.1149/1.2981883).

Record type: Article

Abstract

This paper reports an 'MEA based' accelerated ageing test designed primarily to investigate stability of anode catalysts for DMFCs. The effect of potential cycling on the anode with increasing number of cycles is investigated. Methanol stripping voltammetry is used to characterize changes at both the anode and cathode catalysts and the changes observed are related to quantitative changes in performance of the MEA polarization data. Changes in catalyst morphology and surface composition are characterized by TEM. In particular, comparisons between unsupported PtRu ('black') and carbon supported PtRu catalysts are made.


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Published date: October 2008
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Identifiers

Local EPrints ID: 146509
URI: http://eprints.soton.ac.uk/id/eprint/146509
DOI: doi:10.1149/1.2981883
ISSN: 1938-5862
PURE UUID: 4d2a1af3-8a68-4164-9ded-5e3541584e79
ORCID for Andrea E. Russell: ORCID iD orcid.org/0000-0002-8382-6443

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Date deposited: 21 Apr 2010 12:40
Last modified: 14 Mar 2024 02:41

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Contributors

Author: N. Cabello-Moreno
Author: E. Crabb
Author: J. Fisher
Author: Andrea E. Russell ORCID iD

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