The present disclosure provides a method for controlling the coolant flow of a liquid-cooled power battery, a system, and a vehicle. The method obtains a relationship between a temperature difference within a battery pack and a temperature difference within the coolant, and deduces a target temperature difference within the coolant according to a target temperature difference within the battery pack and the relationship between the temperature difference within the battery pack and the temperature difference within the coolant. The method determines a required flow capacity of the coolant according to the target temperature difference within the coolant, and controls a battery cooling pump to operate according to the required flow capacity of the coolant. The problem of higher energy consumption existing in existing liquid-cooled battery packs for controlling the temperature difference within the battery pack is resolved by the disclosure.

A thermal management system for an electric component has a housing for the electric component and a heat exchange plate extending over the surface of the lateral face of the housing. The plate has a fluid channel between a fluid inlet and a fluid outlet, a supply duct to supply the plate with fluid and a discharge duct, a casing defining the housing(s) and receiving the heat exchange plate and the supply and discharge ducts. The system includes a fluid collecting box arranged to collect fluid from a possible fluid leakage at the junction between the fluid inlet and the fluid outlet of the plate and the associated supply and discharge ducts, so as to prevent said leaked fluid from dripping into a bottom of the casing.

The invention relates to a compartment for an apparatus likely to emit heat during its operation, in particular for an electrical energy storage device for a motor vehicle, this compartment having at least one cooling plate arranged to have a cooling fluid flowing through it and arranged to cool said apparatus, this compartment also including an upper housing arranged to receive said electrical equipment, and a lower housing in which at least one fluid connection element for supplying fluid to the cooling plate is placed, the lower and upper housings being insulated from one another in a fluid-tight manner.

A battery pack of an electric or hybrid motor vehicle, which is constituted by an upper casing and a lower casing, is provided with a cooling circuit which enables circulation in the pack of a cooling fluid which is intended to be sprayed onto battery modules by spray nozzles. The cooling circuit is suitable for ensuring circulation of the cooling fluid in a closed circuit inside the pack, with a pump which is arranged in the internal vessel of the pack being capable of recirculating, back to the spray nozzles, the cooling fluid which is sprayed onto the modules and collected in a double base arranged under a base wall of the lower casing by discharge openings which are formed in the base wall of the lower casing.

A battery module includes a plurality of battery cells; an accommodation part to surround circumferences of the battery cells and having an accommodation space therein in which the battery cells are accommodated, the accommodation part having opened upper and lower portions; a cooling fluid supply part connected to one side of the accommodation part to supply a cooling fluid into the accommodation part; a cooling fluid discharge part connected to the other side of the accommodation part to discharge the cooling fluid within the accommodation part; a first blocking part above the accommodation part to block the opened upper portion of the accommodation part; and a second blocking part below the accommodation part to block the opened lower portion of the accommodation part and support the battery cells. A path through which the cooling fluid supplied into the accommodation space flows is defined between the battery cells.

A battery pack includes a battery module housing configured to receive a plurality of battery cells, a battery pack case configured to receive one or more of battery module housings, a water tank located above the battery module housings, and a heat sink located under the battery module housings. At least a portion of the surface of the battery module housing that faces the water tank is open, whereby, when fire breaks out in the battery cell, it is possible to rapidly and accurately prevent spread of flames of the ignited battery cell.

A battery pack includes a battery module housing configured to receive a plurality of battery cells, a battery pack case configured to receive one or more of battery module housings, a water tank located above the battery module housings, and a heat sink located under the battery module housings. At least a portion of the surface of the battery module housing that faces the water tank is open, whereby, when fire breaks out in the battery cell, it is possible to rapidly and accurately prevent spread of flames of the ignited battery cell.

Electrochemical device for storing electrical energy in rectangular geometric cells, narrow stack geometry, according to the above claims wherein for being built from a sturdy housing (4) in the form of a straight rectangular parallelepiped and where hollow metal rods (5) run on the metal substrate (14) of the base (1) and through the through holes (16) of the base (16) and through the through holes (16) of it run hollow metal rods (5) and on each one of them, the positive electrode is inserted followed by a separating element and so on, while the other hollow metal bar (5) is inserted the negative electrode, followed by a separating element and so on forming a “stack” of electrodes (6) which would fit into the base (1) forming the central structure of the device, with the hollow metal rods (5) serving as current collectors. The rectangular narrow stack geometry electrode (6) allows to carry out the pre-metallisation stage necessary to create the SEI, and the subsequent cycle stage in the same device, without reopening it.

A fluid drainage arrangement for a battery arrangement, the fluid drainage arrangement having a fluid inlet, a collecting chamber, a membrane, a labyrinth chamber and a fluid outlet. The membrane is provided between the collecting chamber and the labyrinth chamber and has a closed state (Z1) and an open state (Z2). The membrane is designed, in the closed state (Z1), to collect a coolant, which passes into the collecting chamber via the fluid inlet, in the collecting chamber until the membrane, at a predetermined first differential pressure between a side of the membrane that is assigned to the collecting chamber and a side of the membrane that is assigned to the labyrinth chamber, transitions from the closed state (Z1) into the open state (Z2) and allows drainage of the coolant via the labyrinth chamber to the fluid outlet.

A fluid drainage arrangement for a battery arrangement, the fluid drainage arrangement having a fluid inlet, a collecting chamber, a membrane, a labyrinth chamber and a fluid outlet. The membrane is provided between the collecting chamber and the labyrinth chamber and has a closed state (Z1) and an open state (Z2). The membrane is designed, in the closed state (Z1), to collect a coolant, which passes into the collecting chamber via the fluid inlet, in the collecting chamber until the membrane, at a predetermined first differential pressure between a side of the membrane that is assigned to the collecting chamber and a side of the membrane that is assigned to the labyrinth chamber, transitions from the closed state (Z1) into the open state (Z2) and allows drainage of the coolant via the labyrinth chamber to the fluid outlet.