| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid-injection method which enables the increase in the injection speed of a liquid electrolyte; method for manufacturing a storage battery; and a liquid-injection device.SOLUTION: A liquid-injection device 20 for injecting a liquid electrolyte 22 into a battery case 11 of a lithium ion secondary battery comprises: a nozzle 23 for injecting the liquid electrolyte 22; and a vibration source 24 for directly vibrating a part of the nozzle 23 around a tip opening thereof. |
