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Summary
The work reported here deals with the adhesion of electrodeposited lead dioxide to nickel substrates and the electrical performance of this material when used as a battery plate. It has been found that when lead dioxide is plated onto electrodeposited nickel prepared from a nickel chloride electrolyte adherent coatings are obtained; non-adherent coatings of lead dioxide are obtained when deposits are made on nickel substrates prepared from all other electrolytes. An explanation has been offered for this phenomenon. It has also been shown that intrinsic stress in electrodeposited lead dioxide plays an important role in its voltage performance when discharged against lead in a fluoroboric acid electrolyte.