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Beyond 1.0 W cm−2 Performance without Platinum: The Beginning of a New Era in Anion Exchange Membrane Fuel Cells

Abstract : This work reports a high power, stable, completely Pt-free anion exchange membrane fuel cell (AEMFC) comprised of highly active catalysts-Pd-CeO 2 /C at the anode and PdCu/C alloy at the cathode for the hydrogen oxidation and oxygen reduction reactions, respectively. The resulting AEMFC shows outstanding performance, reaching a peak power density of 1 W cm −2 , twice the value of the best performance for Pt-free cells reported in the literature to date. The AEMFC also shows a low voltage degradation rate when operated continuously for more than 100 h at a constant 0.5 A cm −2 , with a voltage degradation rate of only 2.5 mV h-1 , which is excellent when compared to nearly all of the AEMFCs reported in the literature to date. This combination of high performance and high stability in the absence of Pt-based catalysts represents a significant landmark in the progress of the AEMFC technology.
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Submitted on : Monday, October 22, 2018 - 11:46:30 AM
Last modification on : Wednesday, November 3, 2021 - 6:03:51 AM
Long-term archiving on: : Wednesday, January 23, 2019 - 12:25:36 PM

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Travis Omasta, Xiong Peng, Hamish Miller, Francesco Vizza, Lianqin Wang, et al.. Beyond 1.0 W cm−2 Performance without Platinum: The Beginning of a New Era in Anion Exchange Membrane Fuel Cells. Journal of The Electrochemical Society, Electrochemical Society, 2018, 15 (13), pp.J3039-J3044. ⟨10.1149/2.0071815jes⟩. ⟨hal-01896039⟩

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