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- W2174908081 abstract "Nanoparticles of Ag, Pt and Pt–Ag were synthesized using ultrasonic irradiation with no consecutive thermal treatment to catalyze the oxygen reduction reaction. Metal nanoparticles are supported on carbon substrate. The synthesized materials were characterized by XRD, TEM, and cyclic and lineal voltammetry techniques. The kinetic formation of the metallic nanoparticles in solution was followed using UV–vis spectroscopy. The metal particles have crystalline structure and particle size with < 10 nm in size and in the form of spherical agglomerates. Ag/C exhibits lower electrochemical activity and stability for the ORR compared to Pt/C and Pt–Ag/C in acid medium. The mass and specific activity results demonstrate that the synthesized bimetallic sample exhibits 1.5 and 5 times greater electrochemical activities for the ORR compared to the commercial sample." @default.
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- W2174908081 date "2015-12-01" @default.
- W2174908081 modified "2023-10-16" @default.
- W2174908081 title "Mono and bi-metallic electrocatalysts of Pt and Ag for oxygen reduction reaction synthesized by sonication" @default.
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- W2174908081 doi "https://doi.org/10.1016/j.elecom.2015.09.023" @default.
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