METHOD FOR MANUFACTURING POWER STORAGE DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a method for manufacturing a power storage device, capable of improving workability in manufacture.SOLUTION: Ultrapure water 25 with an aging temperature or higher is reserved in a constant temperature water tank 21. An aging step of immersing a secondary battery 10 into the ultrapure water 25 to heat the secondary battery 10 up to the aging temperature and a cleaning step of cleaning the secondary battery 10 are performed simultaneously.