Open circuit voltage recovery of discharged and shorted nickel-cadmium cells

Abstract

The open circuit voltage recovery transient of a positive-limited nickel-cadmium cell has been theoretically analysed taking into account the double-layer charging process, polarization due to charge transfer, mass transfer and ohmic resistance in the cell, and self-discharge due to any internal electronic short. Expressions have been obtained for charge transfer and mass transfer polarization. Experimental data on open circuit voltage recovery transients obtained for nickel-cadmium cells indicate that the rate of the electrode reaction at the positive electrode of the cells is controlled by mass transfer process.