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Energy integration strategies for solid oxide fuel cell systems

Lookup NU author(s): Professor Ian Metcalfe

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Abstract

Solid oxide fuel cells (SOFCs) have operating temperatures ranging from as low as 600 °C for intermediate temperature operation to above 900 °C for higher temperature operation. These high temperatures are often viewed as a considerable disadvantage from a materials point of view because of the occurrence of unwanted interfacial reactions, stresses as a result of thermal expansivity mismatches, etc. However, higher temperatures are also an advantage of SOFC systems. Fuel pretreatment that may involve such processes as reforming is very often highly endothermic in nature. The high operating temperature of an SOFC allows for efficient system energy integration with the waste heat from the fuel cell being used to drive fuel pretreatment processes. Here, we demonstrate this propensity for energy integration by looking at the use of a novel hydrogen-carrier system working with an SOFC. © 2006 Elsevier B.V. All rights reserved.


Publication metadata

Author(s): Cresswell DL, Metcalfe IS

Publication type: Article

Publication status: Published

Journal: Solid State Ionics

Year: 2006

Volume: 177

Issue: 19-25

Pages: 1905-1910

ISSN (print): 0167-2738

ISSN (electronic): 1872-7689

Publisher: Elsevier BV

URL: http://dx.doi.org/10.1016/j.ssi.2006.02.028

DOI: 10.1016/j.ssi.2006.02.028


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