电子转移反应的标准反应速率常数是电化学反应的"本征"动力学性质,也是电极过程动力学研究的重要内容之一,对于电极反应的机理和路径的理解以及电催化剂和电池材料等的筛选和理性设计均具有重要意义.本文将主要介绍电化学反应速率常数测定的实验方法,包括极化曲线、旋转圆盘、超微电极、扫描电化学显微镜、电化学阻抗谱、电流阶跃、电势阶跃以及循环伏安等方法,以期对开展电极过程动力学研究的相关研究人员和学生有所裨益.
Standard electron-transfer rate constant is one of the intrinsic properties for an electrochemical reaction, which is significant in the study of electrode kinetics. It is a key criterion for one to clarify the mechanism and pathway of a specific electrochemical reaction, and to screening and design the electrocatalysts and battery materials. Herein, we will introduce the measuring methods of rate constant for electrode reactions, including polarization curve, rotating disk electrode, ultramicroelectrode, scanning electrochemical microscopy, electrochemical impedance spectroscopy, current step, potential step and cyclic voltammetry, etc., to provide a guide to investigate electrode kinetics for graduate students and researchers in the related fields.
韩联欢;郭佳瑶;崔苗苗
厦门大学萨本栋微米纳米科学技术研究院,机电工程系,福建 厦门 361005厦门大学化学化工学院,福建 厦门 361005
反应速率常数;传质速率;稳态方法;暂态方法
Rate constant;Mass-transfer coefficient;Stationary techniques;Transient techniques
《电化学（中英文）》 2024 (002)
35-45 / 11
国家自然科学基金(No.22202166,No.21827802,No.22132003和No.22021001)和中央高校基本科研业务费专项资金(No.20720230076)资助
10.13208/j.electrochem.2303241
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