Electrochemical oxidation of small molecules(e.g.,water,urea,methanol,hydrazine,and glycerol)has gained growing scientific interest in the fields of electrochemical energy conversion/storage and environmental remediat...Electrochemical oxidation of small molecules(e.g.,water,urea,methanol,hydrazine,and glycerol)has gained growing scientific interest in the fields of electrochemical energy conversion/storage and environmental remediation.Designing cost-effective catalysts for the electrooxidation of small molecules(ESM)is thus crucial for improving reaction efficiency.Recently,earth-abundant amorphous transition metal(TM)-based nanomaterials have aroused souring interest owing to their earth-abundance,flexible structures,and excellent electrochemical activities.Hundreds of amorphous TM-based nanomaterials have been designed and used as promising ESM catalysts.Herein,recent advances in the design of amorphous TM-based ESM catalysts are comprehensively reviewed.The features(e.g.,large specific surface area,flexible electronic structure,and facile structure reconstruction)of amorphous TM-based ESM catalysts are first analyzed.Afterward,the design of various TM-based catalysts with advanced strategies(e.g.,nanostructure design,component regulation,heteroatom doping,and heterostructure construction)is fully scrutinized,and the catalysts’structure-performance correlation is emphasized.Future perspectives in the development of cost-effective amorphous TM-based catalysts are then outlined.This review is expected to provide practical strategies for the design of next-generation amorphous electrocatalysts.展开更多
基金Australian Research Council,Grant/Award Number:DP220101139。
文摘Electrochemical oxidation of small molecules(e.g.,water,urea,methanol,hydrazine,and glycerol)has gained growing scientific interest in the fields of electrochemical energy conversion/storage and environmental remediation.Designing cost-effective catalysts for the electrooxidation of small molecules(ESM)is thus crucial for improving reaction efficiency.Recently,earth-abundant amorphous transition metal(TM)-based nanomaterials have aroused souring interest owing to their earth-abundance,flexible structures,and excellent electrochemical activities.Hundreds of amorphous TM-based nanomaterials have been designed and used as promising ESM catalysts.Herein,recent advances in the design of amorphous TM-based ESM catalysts are comprehensively reviewed.The features(e.g.,large specific surface area,flexible electronic structure,and facile structure reconstruction)of amorphous TM-based ESM catalysts are first analyzed.Afterward,the design of various TM-based catalysts with advanced strategies(e.g.,nanostructure design,component regulation,heteroatom doping,and heterostructure construction)is fully scrutinized,and the catalysts’structure-performance correlation is emphasized.Future perspectives in the development of cost-effective amorphous TM-based catalysts are then outlined.This review is expected to provide practical strategies for the design of next-generation amorphous electrocatalysts.
