典型文献
Evaluating the Stability of Active Manganese Sites During Electrochemical Reactions by Cyclic Voltammetry
文献摘要：
Manganese oxides are a promising class of electrocatalysts for renewable energy devices,such as fuel cells.Mn(Ⅲ)ions with eg electron filling of-1 are the active sites for manganese-based electrocatalysts.However,Mn(Ⅲ)sites may be dispro-portionated during electrochemical reactions,thus reducing the number of Mn(Ⅲ)active sites and decreasing the catalytic activity of manganese oxides.In this work,we developed a facile cyclic voltammetry method to monitor the evolution of Mn(Ⅲ)sites on a series of manganese oxides under"working"conditions.We proposed a descriptor SMn(Ⅲ)to describe the stability of Mn(Ⅲ).Our simulated and experimental results show that the higher is SMn(Ⅲ)the higher the active Mn(Ⅲ)density,and the higher the electrocatalytic activity of the manganese oxide electrocatalyst.
文献关键词：
中图分类号：
作者姓名：
Ziang Ma;Jisi Li;Tao Ling
作者机构：
Key Laboratory for Advanced Ceramics and Machining Technology of Ministry of Education,Tianjin,China;Key Laboratory of Composite and Functional Materials,School of Materials Science and Engineering,Tianjin University,Tianjin 300072,China
文献出处：
引用格式：
[1]Ziang Ma;Jisi Li;Tao Ling-.Evaluating the Stability of Active Manganese Sites During Electrochemical Reactions by Cyclic Voltammetry)[J].天津大学学报（英文版）,2022(03):193-198
A类：
Voltammetry,dispro,portionated,SMn
B类：
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AB值：
0.550359
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