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In situ diagnostic of two-phase flow phenomena in polymer electrolyte fuel cells by neutron imaging: Part A. Experimental, data treatment, and quantification

Kramer, Denis, Zhang, jianbo, Shimoi, Ryoichi, Lehmann, Eberhard, Wokaun, Alexander, Shinohara, Kazuhiko and Scherer, Gunther G. (2005) In situ diagnostic of two-phase flow phenomena in polymer electrolyte fuel cells by neutron imaging: Part A. Experimental, data treatment, and quantification Electrochimica Acta, 50, (13), pp. 2603-2614. (doi:10.1016/j.electacta.2004.11.005).

Record type: Article

Abstract

Neutron radiographical measurements have been performed on operating hydrogen-fueled polymer electrolyte fuel cells (PEFC). With the successful detection of liquid accumulation in flow field and gas diffusion layer (GDL) under various operating conditions a unique experimental approach for the investigation of two-phase flow phenomena in technical PEFC has been realized. The experimental setup will be described in detail. Algorithms for an enhanced quantitative evaluation of the obtained images are presented and successful application to the data demonstrated. Finally, results from PEFC investigations will be given. Different flow field geometries and their implications for liquid accumulation inside flow field and GDL are discussed

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More information

Published date: 30 April 2005
Keywords: neutron imaging, PEFC, two-phase, fuel cell, flooding

Identifiers

Local EPrints ID: 191197
URI: http://eprints.soton.ac.uk/id/eprint/191197
ISSN: 0013-4686
PURE UUID: 78581c47-2a36-4117-9d4a-6af63bba0edb

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Date deposited: 17 Jun 2011 10:19
Last modified: 18 Jul 2017 11:36

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Contributors

Author: Denis Kramer
Author: jianbo Zhang
Author: Ryoichi Shimoi
Author: Eberhard Lehmann
Author: Alexander Wokaun
Author: Kazuhiko Shinohara
Author: Gunther G. Scherer

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