Abstract:
A charging system for a plug-in hybrid vehicle equipped with a waste heat utilization device that utilizes the waste heat of an engine to heat the vehicle interior or warm up a catalyst. The charging system charges a battery that supplies electric power to a motor-generator and regenerating an electric power from the motor-generator by means of a charging device when the vehicle is stopped. In the charging system, if it is determined that the waste heat utilization device needs to be operated by starting the engine when the vehicle starts running next time, the charge amount of the battery when the vehicle starts running next time is set by reducing a full-charge charge amount Qfull by a predetermined amount A.
Abstract:
A battery control system controls an external charging unit in a vehicle including a vehicle body, engine, motors, secondary battery, and the external charging unit, and includes a degradation detecting unit that detects degradation of the secondary battery, during charging of the second battery by the external charging unit.
Abstract:
A control method for a lithium ion secondary battery includes performing a charging step (S5 to S7) of charging the lithium ion secondary battery (100) with a predetermined quantity of electricity when the battery voltage of the lithium ion secondary battery (100) has decreased to a lower limit battery voltage that is set at a value that falls within a range higher than (B - C) V and lower than or equal to (B - C + 0.2) V where a maximum value of a positive electrode potential of a flat portion (F1) in a discharge positive electrode potential curve (K1) is B (V) and a negative electrode dissolution potential is C (V). It is possible to suppress a dissolution of a negative electrode current collector (158) of the lithium ion secondary battery (100) to prevent the service life of the lithium ion secondary battery (100) from shortening because of an internal short circuit.
Abstract:
A charging system for a plug-in hybrid vehicle equipped with a waste heat utilization device that utilizes the waste heat of an engine to heat the vehicle interior or warm up a catalyst. The charging system charges a battery that supplies electric power to a motor-generator and regenerating an electric power from the motor-generator by means of a charging device when the vehicle is stopped. In the charging system, if it is determined that the waste heat utilization device needs to be operated by starting the engine when the vehicle starts running next time, the charge amount of the battery when the vehicle starts running next time is set by reducing a full-charge charge amount Qfull by a predetermined amount A.
Abstract:
The invention provides a method of diagnosing a malfunction in an abnormal voltage detecting apparatus, which includes breaking an electrical connection between a secondary battery (100) and an abnormal voltage detecting apparatus (40, 31) and connecting the abnormal voltage detecting apparatus to a direct current voltage generating portion (20) that is different from the secondary battery (100), applying direct current voltage that has a predetermined voltage value that is outside of a normal voltage range to the abnormal voltage detecting apparatus (40) using the direct current voltage generating portion, and determining that there is a malfunction in the abnormal voltage detecting apparatus if the abnormal voltage detecting apparatus does not determine that the voltage is abnormal.