酸性介质中Mn(Ⅲ)/Mn(Ⅱ)在铂电极上的氧化还原特性  

Redox Characteristics of Mn(Ⅲ)/Mn(Ⅱ) on Pt Electrode in Acid Solution

作　　者：米常焕[1] 夏熙[1] 张校刚[1] 

机构地区：[1]新疆大学应用化学研究所,乌鲁木齐830046

出　　处：《应用化学》2003年第2期183-185,共3页Chinese Journal of Applied Chemistry

基　　金：国家自然科学基金 ( 2 99630 0 2 )资助项目

摘　　要：The electrochemical behavior of Mn (Ⅲ)/Mn(Ⅱ)ion-pair on platinum electrode in acid media were studied by cyclic voltammetry.It was demonstrated that the redox process of Mn(Ⅲ)/Mn(Ⅱ) pair was a simple pseudo-reversible one-electron reaction between Mn(Ⅲ) and Mn(Ⅱ).The electrochemical kinetics of the redox reaction on static Pt electrode was a mass transfer controlled one.The calculated diffusion coefficient of Mn(Ⅱ) was 1.48×10 -6cm 2/s.The electrochemical behavior of Mn (Ⅲ)/Mn(Ⅱ)ion-pair on platinum electrode in acid media were studied by cyclic voltammetry.It was demonstrated that the redox process of Mn(Ⅲ)/Mn(Ⅱ) pair was a simple pseudo-reversible one-electron reaction between Mn(Ⅲ) and Mn(Ⅱ).The electrochemical kinetics of the redox reaction on static Pt electrode was a mass transfer controlled one.The calculated diffusion coefficient of Mn(Ⅱ) was 1.48×10 -6cm 2/s.

关 键 词：酸性介质 铂电极 氧化还原特性 Mn(Ⅲ)/Mn(Ⅱ)电对 氧化还原液流电池 扩散系数 循环伏安法 电位阶跃法 锰(Ⅲ) 锰(Ⅱ) 

分 类 号：O646.5[理学—物理化学]