| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a long-life secondary battery system capable of suppressing an increase in internal resistance of a lithium ion secondary battery. <P>SOLUTION: A secondary battery system includes a secondary battery module having a plurality of lithium ion secondary batteries and charge and discharge control means for controlling a battery pack configured by connecting the secondary battery modules in parallel. When discharging a lithium ion secondary battery, the charge and discharge control means adopts a secondary battery system which discharges the lithium ion secondary battery for each of the lithium ion secondary battery modules connected in parallel. <P>COPYRIGHT: (C)2012,JPO&INPIT |
