ANOMALOUS LOW-TEMPERATURE KINETIC EFFECTS FOR OXYGEN EVOLUTION ON RUO2 AND PT ELECTRODES

被引:27
作者
ALONSOVANTE, N
COLELL, H
STIMMING, U
TRIBUTSCH, H
机构
[1] Hahn-Meitner-Institut, Abt. Solare Energetik, D-14109 Berlin
[2] Institut für Energieverfahrenstechnik, Forschungszentrum Jülich, D-52425 Jülich
关键词
D O I
10.1021/j100131a001
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The evolution of oxygen on RuO2 and Pt was investigated in a temperature range of 298-180 K. The results indicate that the mechanism proceeds in a different way for RuO2 as compared with Pt electrodes. The evaluation of activation energy and frequency factors indicates that the entropy turnover of the reaction plays a significant role.
引用
收藏
页码:7381 / 7384
页数:4
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