RECHARGEABLE ELECTROCHEMICAL CELL Russian patent published in 1999 - IPC

FIELD: rechargeable cells with manganese dioxide base positive plate. SUBSTANCE: cell has container accommodating negative zinc plate, rechargeable positive plate based on manganese dioxide, alkali or salt base aqueous electrolyte, and separator. Positive plate has, in addition, 5 to 15 mass percent of dope, 0.1 to 15 mass percent of soot, or 3 to 25 mass percent of barium compounds chosen from group containing barium oxide, barium hydroxide, and barium sulfate. EFFECT: improved discharge current and increased number of discharge cycles. 13 cl, 9 dwg, 3 ex