Patent ID: 8935023
Filing Date: 2015-01-13
Classification: B60L,B60W,H01M,Y02E,Y02T

Abstract:
1. A secondary battery system comprising: a secondary battery configured to receive regenerative electric power from a motor; a heat storage unit configured to convert a part of electric power stored in the secondary battery and the regenerative electric power from the motor into heat and store the heat in the heat storage unit, and which, when the electric power is extracted from the secondary battery, supply the stored heat to the secondary battery if a temperature of the secondary battery is less than a low-temperature-side threshold value which is set in advance; and an electric power distribution controller which, when the secondary battery receives the regenerative electric power from the motor, is configured to distribute the regenerative electric power from the motor to the secondary battery and the heat storage unit if the temperature of the secondary battery is less than the low-temperature-side threshold value and if electric power in the secondary battery is not at full capacity.