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Patent Searching and Data


Title:
ELECTRIC POWER STORAGE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2015/181614
Kind Code:
A8
Abstract:
An electric power storage system for a vehicle is provided. The electric power storage system includes a temperature sensor, a battery heater, a charger, and a controller. The temperature sensor is configured to detect a temperature of the battery. The charger is connectable with the external power supply, and is configured to deliver the external power to the battery and the battery heater. The controller is configured to perform charge control and temperature regulation control when the temperature of the battery is equal to or lower than a predetermined temperature. The charge control is control for charging the battery with the external power. The temperature regulation control is control for supplying a part of the external power to the battery heater and raising the temperature of the battery when the temperature of the battery is equal to or lower than the predetermined temperature. In the system, a first electric power is supplied to the battery heater when the state of charge of the battery is larger than a predetermined value and the temperature of the battery is equal to or lower than the predetermined temperature, and a second electric power is supplied to the battery heater when the state of charge of the battery is equal to or smaller than the predetermined value and the temperature of the battery is equal to or lower than the predetermined temperature. The first electric power is smaller than the second electric power.

Inventors:
MURATA TAKASHI (JP)
MASUDA TOMOKAZU (JP)
Application Number:
PCT/IB2015/000756
Publication Date:
November 24, 2016
Filing Date:
May 26, 2015
Export Citation:
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Assignee:
TOYOTA MOTOR CO LTD (JP)
International Classes:
H02J7/00; B60K6/48; B60L7/16; B60L11/00; B60L11/18; H01M10/61; H02J7/08
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