Strengthening Pt/WOx interfacial interactions to increase the CO tolerance of Pt for hydrogen oxidation reaction

Strengthening Pt/WOx interfacial interactions to increase the CO tolerance of Pt for hydrogen oxidation reaction

Here, the modulation of the Pt electronic structure by the formation of an amorphous WOx overlayer on Pt nanoparticles is proposed. The resulting Pt/WOx@NC electrode shows exceptional CO oxidation potential (0.24 V vs. RHE) in aqueous test, and the corresponding membrane electrode assembly (MEA) ste...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2023-10, Vol.59 (91), p.13583-13586
Hauptverfasser: Long, Daojun, Ping, Xinyu, Ni, Jingtian, Chen, Fadong, Chen, Siguo, Wei, Zidong, Guo, Lin, Zheng, Jinyu
Format: Artikel
Sprache:eng
Schlagworte:
Carbon monoxide
Electrodes
Electronic structure
Fuel cells
Nanoparticles
Oxidation
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Zusammenfassung:Here, the modulation of the Pt electronic structure by the formation of an amorphous WOx overlayer on Pt nanoparticles is proposed. The resulting Pt/WOx@NC electrode shows exceptional CO oxidation potential (0.24 V vs. RHE) in aqueous test, and the corresponding membrane electrode assembly (MEA) steadily generates power in fuel cells fed with H2 gas containing 1000 ppm CO.
ISSN:1359-7345
1364-548X
DOI:10.1039/d3cc03990k