SILVER-ALLOYED OR SILVER-TITANIUM-ALLOYED ZINC ANODE CAN FOR MANGANESE DRY BATTERY

摘要

A MANGANESE DRY BATTERY INCLUDES A CATHODE MANGANESE DIOXIDE, AN ANODE ZINC CAN AND A SEPARATOR, WHEREIN THE ANODE ZINC CAN IS MADE OF A ZINC ALLOY FREE FROM LEAD AND CONTAINING 0.003 -0.5 WT% OF SILVER. EVEN WITHOUT HEAVY METALS SUCH AS HG, CD AND PARTICULARLY PB, THE ZINC ALLOY ANODE CAN HAS A CORROSION-RESISTANT PROPERTY AND MECHANICAL STRENGTH EQUIVALENT TO OR GREATER THAN THOSE OF THE CONVENTIONAL ZINC ANODE CAN, THEREBY GIVING A LOW POLLUTION ZINC-CARBON BATTERY HAVING A STORAGE CHARACTERISTIC EQUIVALENT OR SUPERIOR TO THAT OF THE CONVENTIONAL ZINC ANODE CAN.