Patent ID: 9647297
Date: 2017-05-09
CPC Classifications: H01M,Y02E,Y02P,Y10T

Claim:
1. A manufacturing method of a non-aqueous electrolyte secondary battery, comprising: a seal step of storing an electrode laminate, in which a separator is disposed between a positive electrode and a negative electrode, and an electrolyte within an exterior body comprising a laminate film and sealing the exterior body; a pressure application step of applying pressure on the exterior body in which the electrode laminate is stored; a charge step of charging up to a full charge; a gas removal step of removing gas generated within the exterior body at the charge step with the exterior body unsealed; and a re-seal step of sealing the exterior body after the gas removal step, wherein the pressure application step is performed after the seal step and before the re-seal step, and the charge step is performed after the seal step and before the re-seal step.