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Effects of Environmental Conditions on Cathode Degradation of Polymer Electrolyte Fuel Cell during Potential Cycle

E-mobility Research Division, Japan Automobile Research Institute 2530 Karima, Tsukuba, Ibaraki 305-0822, Japan
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Presented at EVTeC and APE Japan on October 2, 2018.
World Electr. Veh. J. 2019, 10(2), 24; https://doi.org/10.3390/wevj10020024
Received: 28 February 2019 / Revised: 15 May 2019 / Accepted: 16 May 2019 / Published: 21 May 2019
We investigated the effects of cell temperature and the humidity of gas supplied to the cell during the load cycle durability test protocol recommended by The Fuel Cell Commercialization Conference of Japan (FCCJ). Changes in the electrochemically active surface area (ECA) and in the amount of carbon support corrosion were examined by using the JARI standard single cell. The ECA declined more quickly when the gas humidity was raised, and the carbon corrosion was at the same level. These results suggest that the agglomeration of platinum was accelerated by the same agglomeration mechanism, i.e., by raising the humidity of the gas supplied to the cell. View Full-Text
Keywords: polymer electrolyte fuel cell; membrane electrode assembly; platinum degradation; potential cycle polymer electrolyte fuel cell; membrane electrode assembly; platinum degradation; potential cycle
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Hashimasa, Y.; Daitoku, H.; Numata, T. Effects of Environmental Conditions on Cathode Degradation of Polymer Electrolyte Fuel Cell during Potential Cycle. World Electr. Veh. J. 2019, 10, 24.

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