Results of Current Density Distribution Mapping in PEM Fuel Cells Dependent on Operation Parameters
作者： Maik Heuer , Paul Bernstein , Michael Wenske , Zbigniew Styczynski
DOI: 10.3390/EN6083841
关键词: Fuel cells 、 Current density 、 Electronic engineering 、 Technical evaluation 、 Cathode 、 System of measurement 、 Nuclear engineering 、 Engineering 、 Current density distribution 、 Anode 、 Proton exchange membrane fuel cell
摘要: This paper presents in situ measurements of a newly developed current density measurement system for proton exchange membrane fuel cells (PEMFC). While the functional principle and technical evaluation were presented previous paper, this analyzes influence various operation parameters, including multiple start-stop operation, at anode, cathode cooling locations on distribution long-term development density. The was operated 500 h over two years with long periods inactivity between measurements. results are evaluated provide additional information how to optimize modes cells, start stop such systems as well water balance.
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