MANUFACTURING METHOD OF SQUARE-SHAPED ALKALINE BATTERY

摘要

PROBLEM TO BE SOLVED: To provide a manufacturing method of a square-shaped alkaline battery with high yield rate and productivity. SOLUTION: A first process of welding a lead part 11a of a plurality of positive electrodes to a collector 13 with a plurality of welding parts 13a to 13f and welding a plurality of negative electrodes to a collector 15 with a plurality of welding parts, and a second process of determining welding quality by measuring resistance between a plurality of welded parts with at least one of the collectors 13, 15 are included.