Local visualization of catalytic activity at gas evolving electrodes using frequency-dependent scanning electrochemical microscopy

被引:30
作者
Chen, Xingxing [1 ,2 ]
Maljusch, Artjom [1 ]
Rincon, Rosalba A. [1 ]
Battistel, Alberto [3 ]
Bandarenka, Aliaksandr S. [1 ]
Schuhmann, Wolfgang [1 ]
机构
[1] Ruhr Univ Bochum, CES, D-44780 Bochum, Germany
[2] Univ Sci & Technol Liaoning, Sch Chem Engn, Anshan 114051, Peoples R China
[3] Ruhr Univ Bochum, Semicond & Energy Convers Ctr Electrochem Sci CES, D-44780 Bochum, Germany
关键词
OXYGEN EVOLUTION; ELECTROLYSIS; PERFORMANCE;
D O I
10.1039/c4cc06100d
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A new concept for the localized characterization of gas evolving electrodes based on scanning electrochemical microscopy (SECM) is suggested. It offers information about the spatial distribution of the predominant locations, which represent the most active catalytic sites, and dynamic characteristics of gas-bubble departure. The knowledge about gas-bubble departure is critical for the assessment and development of new electrode materials for energy applications.
引用
收藏
页码:13250 / 13253
页数:4
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