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dc.contributor.authorBrett, Daniel J. L.
dc.contributor.authorKucernak, Anthony R.
dc.contributor.authorAguiar, Patricia
dc.contributor.authorAtkins, Stephen C.
dc.contributor.authorBrandon, Nigel P.
dc.contributor.authorClague, Ralph
dc.contributor.authorCohen, Lesley F.
dc.contributor.authorHinds, Gareth
dc.contributor.authorKalyvas, Christos
dc.contributor.authorOffer, Gregory J.
dc.contributor.authorLadewig, Bradley
dc.contributor.authorMaher, Robert
dc.contributor.authorMarquis, Andrew
dc.contributor.authorShearing, Paul
dc.contributor.authorVasileiadis, Nikos
dc.contributor.authorVesovic, Velisa
dc.date.accessioned2016-02-28T06:44:54Z
dc.date.available2016-02-28T06:44:54Z
dc.date.issued2010-08-20
dc.identifier.citationBrett DJL, Kucernak AR, Aguiar P, Atkins SC, Brandon NP, et al. (2010) What Happens Inside a Fuel Cell? Developing an Experimental Functional Map of Fuel Cell Performance. ChemPhysChem 11: 2714–2731. Available: http://dx.doi.org/10.1002/cphc.201000487.
dc.identifier.issn1439-4235
dc.identifier.pmid20730848
dc.identifier.doi10.1002/cphc.201000487
dc.identifier.urihttp://hdl.handle.net/10754/600193
dc.description.abstractFuel cell performance is determined by the complex interplay of mass transport, energy transfer and electrochemical processes. The convolution of these processes leads to spatial heterogeneity in the way that fuel cells perform, particularly due to reactant consumption, water management and the design of fluid-flow plates. It is therefore unlikely that any bulk measurement made on a fuel cell will accurately represent performance at all parts of the cell. The ability to make spatially resolved measurements in a fuel cell provides one of the most useful ways in which to monitor and optimise performance. This Minireview explores a range of in situ techniques being used to study fuel cells and describes the use of novel experimental techniques that the authors have used to develop an 'experimental functional map' of fuel cell performance. These techniques include the mapping of current density, electrochemical impedance, electrolyte conductivity, contact resistance and CO poisoning distribution within working PEFCs, as well as mapping the flow of reactant in gas channels using laser Doppler anemometry (LDA). For the high-temperature solid oxide fuel cell (SOFC), temperature mapping, reference electrode placement and the use of Raman spectroscopy are described along with methods to map the microstructural features of electrodes. The combination of these techniques, applied across a range of fuel cell operating conditions, allows a unique picture of the internal workings of fuel cells to be obtained and have been used to validate both numerical and analytical models. © 2010 Wiley-VCH Verlag GmbH& Co. KGaA, Weinheim.
dc.description.sponsorshipThe authors would like to acknowledge the EPSRC for funding the work on current mapping through grant: GR/M 73552 and through grant EP/G060991/1 along with the NPL for support of Dr. Kalyvas. The EPSRC Supergen Fuel Cell programme (Phase 1) is acknowledged for funding the thermal imaging research and Phase 2 for the electrode microstructure mapping work. We thank Johnson Matthey for supplying bespoke MEAs and to Intelligent Energy for their support of our current work. Dr. Ladewig acknowledges financial support from the British Council and Dr. wMaher for support from the King Abdullah University of Science and Technology (KAUST) for supporting the Raman spectroscopy research. We acknowledge Mr. S. Turner for technical assistance in the design and construction of the current mapping fuel cell hardware and Mr. R. Rudkin for his unparalleled practical knowledge of SOFCs.
dc.publisherWiley-Blackwell
dc.subjectFuel cells
dc.subjectImaging
dc.subjectInstrumentation
dc.subjectMapping
dc.subjectMetrology
dc.titleWhat Happens Inside a Fuel Cell? Developing an Experimental Functional Map of Fuel Cell Performance
dc.typeArticle
dc.identifier.journalChemPhysChem
dc.contributor.institutionUCL, London, United Kingdom
dc.contributor.institutionImperial College London, London, United Kingdom
dc.contributor.institutionNational Physical Laboratory, Middlesex, United Kingdom
dc.contributor.institutionMonash University, Melbourne, Australia


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