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Performance and analysis of a novel polymer electrolyte membrane fuel cell using a solution based redox mediator
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Singh, R., Shah, Akeel A., Potter, A., Clarkson, B., Creeth, A., Downs, C. and Walsh, F. C. (2012) Performance and analysis of a novel polymer electrolyte membrane fuel cell using a solution based redox mediator. Journal of Power Sources, Vol.201 . pp. 159-163. doi:10.1016/j.jpowsour.2011.10.078 ISSN 0378-7753.
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Official URL: http://dx.doi.org/10.1016/j.jpowsour.2011.10.078
Abstract
The cost and availability of platinum, together with degradation phenomena that are directly or indirectly caused by the use of a precious-metal catalyst, are major obstacles to the commercialization of incumbent polymer electrolyte membrane fuel cell (PEMFC) technologies. The Flowcath® fuel cell technology is a highly promising alternative to the conventional PEMFC that avoids many of these issues. While the anode resembles that of a conventional cell, the novel cathode employs a liquid-based polyoxometalate redox mediator and is entirely free of any precious metals. A transition-metal based redox centre within the polyoxometalate undergoes reversible reduction in the cathode and is regenerated externally using air. In this paper, the performance of the cell for different catholyte flow rates and polyoxometalate concentrations is described and a first model is developed and validated. The voltage losses are quantified and compared to the values for a conventional cell employing a standard membrane electrode assembly.
Item Type: | Journal Article | ||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Journal or Publication Title: | Journal of Power Sources | ||||
Publisher: | Elsevier S.A. | ||||
ISSN: | 0378-7753 | ||||
Official Date: | 1 March 2012 | ||||
Dates: |
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Volume: | Vol.201 | ||||
Number of Pages: | 5 | ||||
Page Range: | pp. 159-163 | ||||
DOI: | 10.1016/j.jpowsour.2011.10.078 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Funder: | Technology Strategy Board, UK (TSB) | ||||
Grant number: | TP/BH039G 100773 |
Data sourced from Thomson Reuters' Web of Knowledge
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