| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery having excellent battery characteristics and reliability by causing a generating element sealed in a bag to be preserved in a particular environment for the required time while held charged, so that gas generated from the generating element through some decomposition reaction after a charging process is acceleratedly generated and exhausted and so that an inactive protective film is acceleratedly formed on the surface of negative electrode material. SOLUTION: Initial gas generation is achieved by performing the charging process required for forming an inactive protective film on the surface of negative electrode material. Next, the process of charging a generating element with a predetermined amount of electricity is performed, and the generating element held in that charged condition is preserved in an environment of about 60 deg.C to about 70 deg.C for the required time so that gas is generated from the generating element. A bag is opened at similar temperatures to discharge gas collected therein. The bag is re-sealed thereafter.
|
