High Temperature Material Processes (An International Quarterly of High-Technology Plasma Processes) An International Journal

ISSN for PRINT: 1093-3611

For Online Access

Best Paper Award Selection - Editorial Board Site

2002, Volume6

Issue 1

130 pages

Issue price - $144.00

V. Khokhlov
Molten Salts Laboratory Institute of High-Temperature Electrochemistry, 20 S.Kovalevskaya Str., 620219 Ekatherinburg, Russia

E. Nikolaeva
Molten Salts Laboratory Institute of High-Temperature Electrochemistry Ekatherinburg, Russia

M. Smirnov
Molten Salts Laboratory Institute of High-Temperature Electrochemistry Ekatherinburg, Russia

Oxygen electroreduction at the Pt(O₂) electrode in molten sodium, potassium and cesium chlorides was studied using the stationary voltammetry method. The cathodic process was found to be controlled by the diffusion of both oxide, peroxide, superoxide ions and molecular oxygen. An analysis of the experimental current-potential curves shows that the O^2- ion is the basic product of the cathodic reaction, regardless of the alkali oxide concentration, oxygen partial pressure, or temperature.

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