Abstract
Abstract Trimetallic PdAgCu hollow nanospheres (HNSs) electrocatalysts have been synthesized by a mediated and galvanic replacement method. Owing to the introduction of transition metals like Ag and Cu, the unique hollow sphere-like structure, electronic effects among the ternary metals and so on, the electrocatalytic activity and durability have been tremendously enhanced. In detail, PdAgCu HNSs show superior electrocatalytic performances for ethylene glycol oxidation reaction (EGOR) with the mass activity of 3230.4 mA/mgPd and retained mass activity of 211 mA/mgPd after the durability measurement towards ethylene glycol oxidation, which are 3.39 and 3.05 times higher than those of commercial Pd/C, respectively, indicating that the PdAgCu HNSs possess the most powerful functionality in both electrocatalytic activity and stability. Remarkably, based on the present method, large-scale commercialization of PdAgCu HNSs electrocatalysts with low-priced, easy-to-use, and eco-friendly properties will in part assist in sustainable development.
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