Abstract
Electrochemical methods were applied to investigate the performance of zinc reference electrode in Zinc-Silver oxide primary battery at 10 ℃, which was constructed for trial of materi- als. After 10 minutes immersion in KOH solution, Zn electrode displayed a steady potential around (-1555±5) mV, corrosion current varied little which maintained at 2×10 -5 A/cm 2 order, and resistances ZRe and ZIm in the capacitive arc of the AC impedance altered little. The results indicated that zinc electrode sustained small corrosion rate for long time immersion in 7 mol/L KOH solu- tion, which provided a stable electrode potential and could be used as reference electrode in mea- surements such as trial of materials in Zinc-Silver oxide battery and other electrochemical tests in alkaline electrolytes.
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