High-entropy PtCuSnWNb nanoalloys as efficient and stable catalysts for ethanol oxidation electrocatalysis
Yongying Wang, Zhengwei Zhang, Tieyu Hu, Juan Yang, Yi Li
Abstract
Ternary nanoalloys used as electrochemical ethanol oxidation catalysts for direct ethanol fuel cells are confronted with poor stability issues under harsh acidic operating conditions. To address this issue, a carbon-supported quinary PtCuSnWNb high-entropy nanoalloy (denoted as PtCuSnWNb/C) was synthesized by using a polyol reduction method. Due to the unique high-entropy mixing states and strong catalyst-support interactions, PtCuSnWNb/C shows robust structural and compositional stability.
Topics & Concepts
CatalysisTernary operationElectrocatalystChemistryEthanolEntropy (arrow of time)Chemical engineeringInorganic chemistryThermodynamicsPhysical chemistryElectrochemistryOrganic chemistryComputer scienceElectrodePhysicsProgramming languageEngineeringElectrocatalysts for Energy ConversionHigh Entropy Alloys StudiesCatalytic Processes in Materials Science