| 摘要 |
PROBLEM TO BE SOLVED: To provide a zinc-alkali battery with no environmental pollution and high safety by retarding gas evolution without adding mercury and lead. SOLUTION: In a zinc-alkali battery, zinc alloy powder containing 0.01-0.1wt.% indium, 0.001-0.01wt.% aluminum, 0.001-0.01wt.% bismuth, 0.001-0.05wt.% magnesium, and a total of 0.001-0.05wt.% at least one element selected from the group comprising lithium, sodium, and potassium is used as a negative active material. In addition, 0.05-0.5wt.% indium compound in indium equivalent is added to the zinc alloy powder as the inhibitor of the zinc alloy powder. Thereby, the internal gas evolution of the battery is retarded without adding mercury and lead. |
