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• W2589917856 endingPage "5999" @default.
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• W2589917856 abstract "Crucial to scalable hydrogen generation in modern technology is developing the well-designed catalysts with remarkably high activity and excellent stability. In this work, nanoscale tungsten carbide hybrid materials (WC/C) was synthesized by intermittent microwave heating method (IMH), and then the alloyed Pt9Rh-WC/C catalysts were prepared by impregnation-reduction method followed by subsequent thermal annealing under N2 atmosphere. Characterization of the as-formed alloy catalysts by transmission electron microscopy (TEM) confirmed that the PtRh nanoparticles were uniformly distributed on the WC/C hybrid materials. The cyclic voltammograms (CV) method was used to study their catalytic performance for hydrogen evolution reaction (HER) in 0.1 mol L−1 KOH aqueous solution. The results displayed that the HER activities of WC/C, Pt/C, Pt9Rh/C and Pt9Rh-WC/C increased subsequently, and the overpotentials were 500, 122, 105 and 90 mV at a current density of 8 mA cm−2. The improved catalytic activity of Pt9Rh-WC/C for HER was ascribed to the addition of rhodium and tungsten carbide, which might decrease the Pt-H binding energy in alkaline solution. Meanwhile, it also displayed excellent stability in the accelerated durability test. This work thereby provides a practical strategy for making cost-effective catalysts for scalable hydrogen production." @default.
• W2589917856 created "2017-03-03" @default.
• W2589917856 creator A5028107298 @default.
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• W2589917856 date "2017-03-01" @default.
• W2589917856 modified "2023-09-27" @default.
• W2589917856 title "Remarkably efficient PtRh alloyed with nanoscale WC for hydrogen evolution in alkaline solution" @default.
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• W2589917856 doi "https://doi.org/10.1016/j.ijhydene.2017.01.181" @default.
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