Corresponding Author

Zi-dong WEI(zdwei@cqu.edu.cn)


One major challenge for a large-scale commercialization of the proton-exchange membrane fuel cells (PEMFCs) technologies that enable a shift to ‘zero-emission’ personal transportation, is the expensive and unstable Pt catalysts, which are mainly used to catalyze the sluggish kinetics of the oxygen reduction reaction (ORR) occurred on the air electrode of PEMFCs. Many research works have targets to improve the stability of Pt-based catalysts and to construct Pt/transitional metal alloys with low Pt loading amount. Herein, we provide a minireview for the Pt-based ORR catalysts based on our recent work, which covers a brief background introduction, the stability improvement of pure Pt catalysts, the construction of Pt-alloy type catalysts and a future perspective. It is believed that the alloy catalysts with a sophistical structure design at an atomic level owns a promising future prospect.

Graphical Abstract


fuel cells, platinum, alloy, oxygen reduction reaction

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