水电解制氢三相界面构筑研究进展

Research progress on construction of triphase interface for hydrogen production by water electrolysis

随着全球范围内碳中和目标的提出,水电解制氢已成为能源化学及催化科学领域的重点研究方向之一。气-固-液三相界面模型是物理化学中的基本概念,已被越来越多地应用于水电解制氢研究中,并逐渐成为研究重点。综述了水电解制氢三相界面的研究进展,在三相界面电解水的原理及其电化学反应动力学探究与讨论的基础上,对新型三相界面构筑从组分调控到界面的微观结构设计进行了系统分析,并结合当前水电解制氢领域存在的问题与挑战,展望了水电解三相界面研究的发展方向。

With global goal of the “carbon neutrality”,hydrogen production by water electrolysis has become an important research direction in fields of energy chemistry and catalytic science.The gas-solid-liquid triphase interface model is a basic concept in physical chemistry,which has been increasingly used in the study of hydrogen production by water electrolysis,and gradually becomes a research focus in water electrolysis.This review provides insights into a research progress on the triphase interface for hydrogen production by water electrolysis.The water electrolysis mechanism and electrochemical kinetics at triphase interface are discussed.On this basis,the construction of novel triphase interface is systematically analyzed in aspects of composition regulatory and microstructure design.Moreover,combing with the problems and challenges existing in the field of hydroelectrolysis and hydrogen production,research directions of the triphase interface for water electrolysis is prospected.