MANGANESE DRY CELL.

摘要

A mercury-free manganese dry cell comprising a negative pole can made from a zinc alloy containing predetermined amounts of lead and indium without cadmium, or indium without cadmium and lead, or lead and at least two of indium, bismuth and calcium without cadmium or at least two of indium, bismuth and calcium without cadmium and lead has equivalent processability and mechanical strength to the conventional cadmium-containing negative pole can and equivalent or superior zinc corrosion resistance to the conventional mercury and cadmium-containing negative pole can.