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ABSTRACT The direct ethanol fuel cells are considered as a kind of green portable power sources with high energy density and stable convert efficiency. Alloyed PdM performs highly efficient electrocatalyst… Click to show full abstract
ABSTRACT The direct ethanol fuel cells are considered as a kind of green portable power sources with high energy density and stable convert efficiency. Alloyed PdM performs highly efficient electrocatalyst for ethanol oxidation reaction. In this study, a facile one-step oil bath method was conducted to synthesize alloyed PdSn nanoparticle (NP) assembly in ethylene glycol solution with the help of cetyltrimethyl-ammonium bromide and L-ascorbic acid. Among various alloyed PdSn NPs, alloyed PdSn-15 NP showed much enhanced current density (2230 mA mg-1) in cyclic voltammetric measurements for ethanol electrooxidation, compared to pure Pd NP (1120 mA mg-1). The former has a lower electron transfer barrier, anti-poisoning performance and better catalytic stability than that of latter, closely relative to its optimized coordination environment and change of d-band center of palladium.
Journal Title: Colloids and Surfaces A: Physicochemical and Engineering Aspects
Year Published: 2021
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