| abstract |
(57) [Problem] To provide a storage method of a lithium secondary battery capable of suppressing deterioration of battery characteristics for a long period of time and storing the battery safely. SOLUTION: The method includes a step of leaving a lithium secondary battery in an open circuit or applying a minute current to discharge the battery, and a step of charging the lithium secondary battery after the discharge to a predetermined set voltage. A method for repeatedly storing lithium secondary batteries. |