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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemistry
Temperature gradients measurements within a segmented H2/air PEM fuel cell
Journal of Power Sources, Volume 172, No. 1, Year 2007
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Description
A commercial Nafion 112 membrane loaded with the catalysts and catalysts' support in a segmented way was used for a H2/air PEM fuel cell. On this membrane, the anodic and cathodic catalysts with their support were loaded on five consecutive places in a back to back style forming five catalyst islands of same dimensions on each side of the membrane. So, five sub-fuel cells were existed in one fuel cell compartment. These subcells are connected ionically but not electronically. The polarization behavior for these subcells was measured separately when the other subcells were at a zero load and simultaneously when they were polarized at the same load. Also, the temperature gradient within this segmented PEM fuel cell was measured in front of cathode side of the sub-fuel cells when hydrogen and air gases were flown in a parallel or opposite direction to each other. Temperature gradients were correlated with the observed performance of the fuel cell. © 2007 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Abdullah, A. M.
Japan, Tokyo
Tokyo Institute of Technology
Okajima, Takeyoshi
Japan, Tokyo
Tokyo Institute of Technology
Mohammad, Ahmad M.
Japan, Tokyo
Tokyo Institute of Technology
Kitamura, Fusao
Japan, Tokyo
Tokyo Institute of Technology
Ohsaka, Takeo
Japan, Tokyo
Tokyo Institute of Technology
Statistics
Citations: 29
Authors: 5
Affiliations: 1
Identifiers
Doi:
10.1016/j.jpowsour.2007.07.044
ISSN:
03787753
Research Areas
Environmental