Secondary battery system

Abstract

The secondary battery system according to the present disclosure includes a secondary battery, a heating device, and a control device, and the secondary battery includes a positive electrode and a negative electrode, and one or both of the positive electrode and the negative electrode include an active material, a solid electrolyte, and a Li containing salt, and the active material includes a material whose volume changes with charging and discharging of the secondary battery, and a target heated by the heating device includes Li containing salt, and the control device controls the heating by the heating device such that when it is determined that the performance of the secondary battery is equal to or lower than a certain level, the temperature of Li containing salt becomes equal to or higher than the melting point of Li containing salt.

Dependencies are inferred from the claim text.