CATHODIC POLARIZATION OF MANGANESE DIOXIDE ELECTRODE IN ALKALINE ELECTROLYTES

被引：61

作者：

KOZAWA, A

POWERS, RA

机构：

[1] Consumer Products Division, Research Laboratory, Union Carbide Corporation, Cleveland, Ohio

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 1968年 / 115卷 / 02期

关键词：

D O I：

10.1149/1.2411042

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Polarization of β- and γ-MnO2 is measured at various constant currents in 9M KOH and KOD electrolytes in reduction from MnO2 to Mn(OH)2. Two limiting currents are observed in high-current discharges of γ-MnO2, one around MnO1.75 and the other after MnO1.5. The former is attributed to formation of a lower oxide structure on the surface of γ-MnO2 structure. Around MnO1.9, a Tafel relation is observed for γ-MnO2 and i0 values are obtained. The polarization is always greater in 9M KOD than in 9M KOH under the same discharge conditions. © 1968, The Electrochemical Society, Inc. All rights reserved.

引用

页码：122 / &

共 9 条

[1]

ERA A, 1966, J ELECTROCHEM SOC JA, V34, P483

[2] A PROPOSED MECHANISM FOR THE DISCHARGE OF THE MANGANESE DIOXIDE ELECTRODE [J].