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Frontiers in Energy >> 2017, Volume 11, Issue 3 doi: 10.1007/s11708-017-0489-z

Accelerated life-time test of MEA durability under vehicle operating conditions in PEM fuel cell

State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Hubei Provincical Key Laboratory of Fuel Cell, Wuhan University of Technology, Wuhan 430070, China

Accepted: 2017-08-22 Available online:2017-09-07

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In this paper, a novel accelerated test method was proposed to analyze the durability of MEA, considering the actual operation of the fuel cell vehicle. The proposed method includes 7 working conditions: open circuit voltage (OCV), idling, rated output, overload, idling-rated cycle, idling-overload cycle, and OCV-idling cycle. The experimental results indicate that the proposed method can effectively destroy the MEA in a short time (165 h). Moreover, the degradation mechanism of MEA was analyzed by measuring the polarization curve, CV, SEM and TEM. This paper may provide a new research direction for improving the durability of fuel cell.

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