Dissolution of Platinum: Limits for the Deployment of Electrochemical Energy Conversion?

被引：350
|
作者：
Topalov, Angel A. [1 ,2 ]
Katsounaros, Ioannis [1 ]
Auinger, Michael [1 ]
Cherevko, Serhiy [1 ]
Meier, Josef C. [1 ]
Klemm, Sebastian O. [1 ]
Mayrhofer, Karl J. J. [1 ]
机构：
[1] Max Planck Inst Eisenforsch GmbH, Dept Interface Chem & Surface Engn, D-40237 Dusseldorf, Germany
[2] Ruhr Univ Bochum, Ctr Electrochem Sci, D-44780 Bochum, Germany
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2012年 / 51卷 / 50期
关键词：
catalyst stability; dissolution processes; electrochemistry; fuel cells; platinum; ELECTROLYTE FUEL-CELLS; OXYGEN REDUCTION; ICP-MS; CATALYSTS; ELECTROCATALYSTS; DEGRADATION; IRON;
D O I：
10.1002/anie.201207256
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Platinum stability: Dissolution of Pt, which is one major degradation mechanism in, for example, hydrogen/air fuel cells, was monitored under potentiodynamic and potentiostatic conditions. The highly sensitive and time-resolving dissolution monitoring enables the distinction between anodic and cathodic dissolution processes during potential transient and chronoamperometric experiments, and the precise quantification of the amount of dissolved Pt. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：12613 / 12615
页数：3
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