| abstract |
According to one embodiment, a method for producing a battery, includes an injecting, a first sealing, a subjecting to processing including a charge, a releasing gas and a second sealing. In the injecting, an electrolytic solution is injected into a package member including an electrode through an injection port opened in the package member. In the first sealing, the injection port is sealed. In the releasing gas, a vent hole in the package member is opened to release gas contained in the package member from the vent hole. In the second sealing, the vent hole is sealed. |