POTENTIOSTATIC PULSE STUDY OF OXYGEN EVOLUTION ON TEFLON-BONDED NICKEL-COBALT OXIDE ELECTRODES

被引：106

作者：

JASEM, SM

TSEUNG, ACC

机构：

[1] Department of Chemistry, City University

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 1979年 / 126卷 / 08期

关键词：

activation energy; mechanistic studies; nickel-cobalt oxide; oxygen evolution; potentiostatic pulse;

D O I：

10.1149/1.2129276

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Steady-state oxygen evolution measurements on a series of NiuCoxO4 Teflon-bonded electrodes at 25°C, 5N KOH showed that NiCo2O4 had the highest activity. Tafel plots on such electrodes are complicated by the formation of higher oxides, gas bubbles, and emptying of the electrocatalyst pores, and it is suggested that potentiostatic pulse techniques can give more reliable results, provided the electrodes are fully preanodized to form the higher metal oxide. © 1979, The Electrochemical Society, Inc. All rights reserved.

引用

页码：1353 / 1360

页数：8

共 20 条

[1]

BOCKRIS JO, 1956, P ROY SOC LOND A MAT, V237, P227

[2] EFFECT OF THICKNESS OF ANODIC OXIDE-FILMS ON RATE OF OXYGEN EVOLUTION REACTION AT PT IN H2SO4 SOLUTION .1. GROWTH AT CONSTANT CURRENT [J].