NICKEL-CADMIUM CELL Russian patent published in 1997 - IPC

FIELD: alkaline cells. SUBSTANCE: nickel-cadmium cell has shell, alkaline electrolyte, positive and negative electrodes separated by separator and additional porous active layer arranged on surface of at least one of electrodes - positive, negative or both electrodes. Relation of capacitances of additional layer and central part of electrode amounts to 0.01-0.25, relation of porosities is 1.2-3.5 and relation of thicknesses is 0.02-0.3. Additional layer can be made from porous activated nickel foil. Proposed cell is capable of functioning under starter mode. EFFECT: improved operational characteristics. 7 cl, 1 dwg