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Energies 2013, 6(8), 3841-3858; doi:10.3390/en6083841
Article

Results of Current Density Distribution Mapping in PEM Fuel Cells Dependent on Operation Parameters

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Received: 13 June 2013; in revised form: 15 July 2013 / Accepted: 19 July 2013 / Published: 29 July 2013
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Abstract: 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 of the measurement system were presented in a previous paper, this paper analyzes the influence of various operation parameters, including multiple start-stop operation, at the anode, cathode and cooling locations on the distribution and long-term development of the current density. The system was operated for 500 h over two years with long periods of inactivity between measurements. The measurement results are evaluated and provide additional information on how to optimize the operation modes of fuel cells, including the start and stop of such systems as well as the water balance.
Keywords: PEM fuel cell; current density measurement; current density distribution; operation optimization PEM fuel cell; current density measurement; current density distribution; operation optimization
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Heuer, M.; Bernstein, P.A.; Wenske, M.; Styczynski, Z.A. Results of Current Density Distribution Mapping in PEM Fuel Cells Dependent on Operation Parameters. Energies 2013, 6, 3841-3858.

AMA Style

Heuer M, Bernstein PA, Wenske M, Styczynski ZA. Results of Current Density Distribution Mapping in PEM Fuel Cells Dependent on Operation Parameters. Energies. 2013; 6(8):3841-3858.

Chicago/Turabian Style

Heuer, Maik; Bernstein, Paul A.; Wenske, Michael; Styczynski, Zbigniew A. 2013. "Results of Current Density Distribution Mapping in PEM Fuel Cells Dependent on Operation Parameters." Energies 6, no. 8: 3841-3858.


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