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Performance and transient behavior of the kW-grade PEMFC stack with the PtRu catalyst under CO-contained diluted hydrogen
Authors:Chen-Yu Chen  Keng-Pin Huang
Affiliation:1. Department of Mechanical Engineering, Chinese Culture University, No. 55, Hwa-Kang Road, Taipei 11114, Taiwan, ROC;2. Department of Aeronautics and Astronautics, National Cheng Kung University, No.1, Ta-Hsueh Road, Tainan 701, Taiwan, ROC
Abstract:In the study, a self-made kW-class 40-cell proton exchange membrane fuel cell (PEMFC) stack, with an active area of 112.85 cm2 for each membrane electrode assembly and with the anodic Pt/>Ru catalyst, was tested under different simulated reformate gases of different CO concentrations and different hydrogen concentrations. The performances and the transient voltages of the stack and the individual cells under different CO/N<sub>2</sub>/H<sub>2</sub> mixtures were studied. The results show that increasing the CO concentration or decreasing the H<sub>2</sub> concentration of the CO-contained reformate gas negatively affects the performance of the PEMFC stack. Moreover, the PEMFC stack with the Pt<img style=
Keywords:PEMFC stack  CO poisoning  Diluted hydrogen  Performance test  Potential oscillation
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