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Lookup NU author(s): Emeritus Professor Keith Scott,
Dr Xu Wu
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This review provides an overview of intermediate temperature proton-conducting membrane electrolyte materials for fuel cells. Such fuel cells operate in the approximate temperature range of 150-300 degrees C and can capitalize on a number of technological reasons for operating H-2/air. These reasons include enhancement of electrochemical kinetics, simplified water management, efficient cooling, and useful waste heat recovery. Importantly lower quality, for example, reformed hydrogen, containing relatively large amounts of carbon dioxide, may be used as the fuel. The materials, which have been the focus of intermediate temperature proton-conducting fuel cells, include heteropolyacids, metal pyrophosphates, solid acids, and acid-imbibed high-temperature polymers such as polybenzimidazole. (C) 2013 John Wiley & Sons, Ltd.
Author(s): Scott K, Xu CX, Wu X
Publication type: Review
Publication status: Published
Journal: Wiley Interdisciplinary Reviews: Energy and Environment
Print publication date: 01/01/2014
Online publication date: 10/04/2013
ISSN (print): 2041-8396
ISSN (electronic): 2041-840X
Publisher: WILEY PERIODICALS, INC