Abstract
We studied reproducibility of discharge capacity, dischargeability, activation behavior, activity and porosity for charge–discharge reaction of a pellet-type electrode consisting of one part by weight of Ti 0.5Zr 0.5Ni 1.3V 0.7Mn 0.1Cr 0.1 and three parts of the copper powder. We examined electrodes immediately after preparation and electrodes stored for 1 month under the following conditions: vacuum, dry air and humid air. Electrolyte impregnation in vacuo was found to be very effective in improving the reproducibility of electrochemical measurements, reducing measuring effects due to the storage conditions of the electrodes.
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