It is an object to provide a battery system whose life can be extended. A cell pack 2 having at least one lithium secondary battery that uses a manganese-based cathode material and a control unit 3 that controls charging and discharging of the cell pack 2 are provided, and the control unit 3 controls charging and discharging within a low-degradation voltage range that is set on the basis of a target cell degradation rate.
申请公布号
EP2192649(A1)
申请公布日期
2010.06.02
申请号
EP20080739482
申请日期
2008.03.31
申请人
MITSUBISHI HEAVY INDUSTRIES, LTD.;KYUSHU ELECTRIC POWER CO., INC.
