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Accession Number:
AD0753096
Title:
Battery Zinc Electrode Kinetics Investigation.
Corporate Author:
CALVIN COLL GRAND RAPIDS MICH DEPT OF CHEMISTRY
Report Date:
1972-12-15
Abstract:
Time-to passivation studies have been made on the zinc electrode in a range of KOH solutions. Attempts to interpret results in terms of rate at which charge transfer product dissolves encountered theoretical difficulties. Limiting diffusion currents have been measured in 1 to 13.4 M KOH over a temperature range of -33 to 44C. The diffusion coefficients of the zincate ion have been measured polarographically. The exhange current densities of the zinc electrode in KOH solutions were measured over a temperature range of -33 to 55C in 1 to 14 molar KOH. Galvanostatic, double impulse, and potentiostatic methods were used. Double layer capacitance of the zinc electrode was also measured at room temperature in a variety of solutions. An NMR study of Zincate Solutions shows only evidence for ZnOH4-2. Author
Descriptive Note:
Final rept. 15 Dec 72,
Pages:
0081
File Size:
0.00MB
