| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a lithium ion secondary battery which is excellent in charge and discharge cycle lifetime. <P>SOLUTION: In the method for manufacturing the lithium ion secondary battery having an assembly process of assembling the lithium ion secondary battery 100 having a nonaqueous electrolyte 140 including an organic solvent, and an initial-charge process of performing initial charge of the lithium ion secondary battery 100 until the lithium ion secondary battery 100 is fully charged, the manufacturing method also has, before the initial-charge process and after the assembling process, an application process of applying a DC charge pulse of a fixed current value at the designated number of times while interposing a pause period tb of the current value 0 between each DC charge pulses, to the lithium ion secondary battery 100. <P>COPYRIGHT: (C)2011,JPO&INPIT |
