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

Omasta, Travis J.; Peng, Xiong; Miller, Hamish A.; Vizza, Francesco; Wang, Lianqin; Varcoe, John R.; Dekel, Dario R.; Mustain, William E.

doi:10.1149/2.0071815jes

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

Journal Article · Wed Sep 05 00:00:00 EDT 2018 · Journal of the Electrochemical Society

DOI:https://doi.org/10.1149/2.0071815jes· OSTI ID:1468670

; Peng, Xiong; Miller, Hamish A.; Vizza, Francesco; Wang, Lianqin;

;

This work reports a high power, stable, completely Pt-free anion exchange membrane fuel cell (AEMFC) comprised of highly active catalysts – Pd-CeO₂/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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Research Organization:: Univ. of Connecticut, Storrs, CT (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: SC0010531

OSTI ID:: 1468670

Alternate ID(s):: OSTI ID: 1545779

Journal Information:: Journal of the Electrochemical Society, Journal Name: Journal of the Electrochemical Society Vol. 165 Journal Issue: 15; ISSN 0013-4651

Publisher:: The Electrochemical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

Citation Metrics:

Cited by: 87 works

Citation information provided by
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25 ENERGY STORAGE
Anion Exchange Membrane Fuel Cells
Electrodes
Pt-free

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

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