Electrical characteristics of bipolar nickel-cadmium impulse batteries

The construction of bipolar nickel-cadmium batteries eliminates the intercell connectors of commonly used geometrical configurations and also changes the current paths through a cell. This configuration permits current densities of 10 amperes per square inch to be achieved at the maximum power transfer point as opposed to about 3 amperes per square inch available from present cell arrangements. At 10 amperes per square inch the power-to-weight ratio is 1 kilowatt per pound. At lower current densities this value is appropriately decreased.