A battery temperature control apparatus for electric vehicles, the battery temperature control apparatus including a temperature measurement unit configured to measure a temperature of a battery mounted in an electric vehicle, a display unit configured to display state information of the battery based on temperature information of the battery measured by the temperature measurement unit, and a controller configured to perform control such that a preconditioning function to maintain the temperature of the battery at a predetermined optimum temperature is selectively turned ON/OFF by a user based on the state information displayed on the display unit.

A temperature control device for temperature control of a battery system has at least one battery subsystem. The temperature control device has a temperature control line for conducting a temperature control fluid and a pump device for generating a flow of the temperature control fluid in the temperature control line at least in a first flow direction. The temperature control line has at least one temperature control section which can be thermally conductively connected to the at least one battery subsystem for supplying and/or discharging thermal energy to or from the battery subsystem.

A temperature control device for temperature control of a battery system has at least one battery subsystem. The temperature control device has a temperature control line for conducting a temperature control fluid and a pump device for generating a flow of the temperature control fluid in the temperature control line at least in a first flow direction. The temperature control line has at least one temperature control section which can be thermally conductively connected to the at least one battery subsystem for supplying and/or discharging thermal energy to or from the battery subsystem.

An energy storage device and a temperature control method thereof are provided. When a temperature of a battery is lower than a preset temperature and an alternating current-direct current conversion circuit receives an alternating current input voltage, an inductance-capacitance resonance circuit and a direct current-direct current conversion circuit are controlled to use electrical energy provided by the alternating current-direct current conversion circuit to generate a resonant current to heat the battery. When the temperature of the battery is lower than the preset temperature and the alternating current-direct current conversion circuit does not receive the alternating current input voltage, the inductance-capacitance resonance circuit and the direct current-direct current conversion circuit are controlled to use electrical energy provided by the battery to generate a resonant current to heat the battery.

An energy storage device and a temperature control method thereof are provided. When a temperature of a battery is lower than a preset temperature and an alternating current-direct current conversion circuit receives an alternating current input voltage, an inductance-capacitance resonance circuit and a direct current-direct current conversion circuit are controlled to use electrical energy provided by the alternating current-direct current conversion circuit to generate a resonant current to heat the battery. When the temperature of the battery is lower than the preset temperature and the alternating current-direct current conversion circuit does not receive the alternating current input voltage, the inductance-capacitance resonance circuit and the direct current-direct current conversion circuit are controlled to use electrical energy provided by the battery to generate a resonant current to heat the battery.

A method performed by a control unit for controlling flooding of at least part of an energy storage space. The energy storage space comprises at least one Energy Storage System, ESS. The control unit detects that a critical condition associated with the at least one ESS is present. When the critical condition has been detected, the control unit initiates flooding of at least part of the energy storage space with a fluid from a reservoir. The control unit controls the flooding of the energy storage space such that the at least one ESS is submersed to a submersion level where the critical condition is no longer present.

A lithium-ion battery thermal management system and method based on PCM and mutually embedded fins. The thermal management system includes a battery box, a lithium-ion battery pack and a temperature detection unit are arranged in the battery box; the lithium-ion battery pack at least includes two cells, the periphery of each cell is wrapped by a battery inner shell and a battery outer shell, and PCM is filled between the battery inner shell and the battery outer shell; a plurality of fins are arranged on the battery outer shell on the opposite sides of the two adjacent cells, the fins are arranged at intervals, the fins on the opposite sides of the two adjacent cells are arranged in a staggered manner, and heat-conducting plates are connected between each fin and the battery inner shell.

A thermal regulation system for electric vehicle configured to convert an external source of electrical energy to an alternative supply of on board stored energy for use in conditioning a temperature of a battery pack, the thermal regulation system including a fluid circuit configured to circulate a heat conducting fluid medium, the fluid circuit comprising at least one mechanism for affecting at least one of a temperature change, pressure change, or a combination thereof to the heat conducting fluid medium, wherein the at least one mechanism is powered by electrical power from an external charging station, and a heat exchanger configured to enable a transfer of thermal energy between heat conducting fluid medium and a battery pack of an electric vehicle.

A thermal regulation system for electric vehicle configured to convert an external source of electrical energy to an alternative supply of on board stored energy for use in conditioning a temperature of a battery pack, the thermal regulation system including a fluid circuit configured to circulate a heat conducting fluid medium, the fluid circuit comprising at least one mechanism for affecting at least one of a temperature change, pressure change, or a combination thereof to the heat conducting fluid medium, wherein the at least one mechanism is powered by electrical power from an external charging station, and a heat exchanger configured to enable a transfer of thermal energy between heat conducting fluid medium and a battery pack of an electric vehicle.

Provided is a vehicle battery device in which components are reduced, a compact configuration can be achieved, and connection with the outside can be easily performed. A vehicle battery device includes: a battery cell mounting part accommodating a battery cell group constituted by a plurality of laminated battery cells; and an interface box integrating connection functions between the battery cell mounting part and the outside, wherein the battery cell mounting part is connected to at least one of two opposing side surfaces in an outer surface of the interface box, and has an end plate on an end surface opposite an end surface connected to the interface box; and the battery cell group of the battery cell mounting part is compressed and sandwiched between the side surface of the interface box and the end plate in a lamination direction of the battery cells.