✦ LIBER ✦

Research trends

Publisher: Elsevier Science
Year: 2002
Tongue: English
Weight: 408 KB
Volume: 2002
Category: Article
ISSN: 1464-2859
DOI: 10.1016/s1464-2859(02)80336-4

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✦ Synopsis

This novel method offers high spatial and time resolution, non-intrusive and dynamic current measurements in real time along a single flow channel in a PEM fuel cell. At low reactant flow rate (high utilization) there was depletion of reactant along the channel, and beyond a certain position in the channel, the rate of reaction became small, even though not all of the reactant had been utilized. M~uremen~ of current as a function of time during feed gas intr~u~ion clearly showed a boundary between the reactant gas and the inert medium as it flowed down the channel.

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