Abstract: A battery pack includes a battery module including a water injection hole through which a fire extinguishing liquid can be supplied at an upper end portion and at least one drain hole through which the fire extinguishing liquid can be discharged at a lower end portion, a fire extinguishing tank unit containing the fire extinguishing liquid, located over the battery module, and configured to supply the fire extinguishing liquid to the battery module through the water injection hole, and a module supporter unit located under the battery module and supporting the battery module so that the battery module is located at a certain height from a ground. The module supporter unit includes a contaminated water storage container in which the fire extinguishing liquid dropping from the battery module through the drain hole is accommodated.

Abstract: A battery module housing includes a receiving portion configured to allow a battery cell stack to be mounted therein. The receiving portion comprises a first side surface and a second side surface, a bolting portion configured to couple a plurality of battery module housings disposed adjacent to each other, and a buffer portion configured to absorb volume expansion of the battery cell stack, whereby a battery pack capable of accommodating an increase in volume of the battery cell stack while having reduced weight and minimized construction is provided.

Abstract: A battery module includes a battery cell assembly having a plurality of battery cells, a sensing assembly which covers a front and rear of the battery cell assembly when mounted thereto, a module case which receives the battery cell assembly and the mounted sensing assembly, and a thermally conductive adhesive interposed between an upper inner surface of the module case and an upper side of the battery cell assembly. The sensing assembly includes a first busbar frame assembly positioned at the front of the battery cell assembly, a second busbar frame assembly positioned at the rear of the battery cell assembly, and a sensing wire which connects the first and second busbar frame assemblies and runs across the upper side of the battery cell assembly in a diagonal direction. The thermally conductive adhesive is disposed on two sides of the sensing wire.

Abstract: The present invention relates to a battery module including a battery cell stack comprising a plurality of battery cells, a module housing configured to receive at least one battery cell stack disposed in an overall length direction, a high voltage (HV) connector configured to electrically connect battery modules to each other, a low voltage (LV) assembly configured to sense the voltage and temperature of the plurality of battery cells, an insulating oil configured to cool the plurality of battery cells, and a cooling port configured to allow the insulating oil to be introduced and discharged therethrough, wherein the insulating oil directly cools the plurality of battery cells while flowing in the module housing, whereby cooling efficiency and energy density are improved, and a battery pack including the same.

Abstract: A battery pack includes a pack tray; and at least one battery module provided on the pack tray. The at least one battery module includes a battery cell assembly mounted on the pack tray and including at least one battery cell; a pair of side plates provided on both side surfaces of the battery cell assembly to support the battery cell assembly and fixed to the pack tray; and a band unit connected to the pair of side plates and configured to at least partially cover an upper side and a lower side of the battery cell assembly.

Abstract: A battery pack includes a battery cell stack formed by a plurality of stacked battery cells, a battery module housing configured to wrap the other outer surfaces of the battery cell stack excluding a first surface and a second surface, from which electrode leads protrude, a water tank configured to supply a coolant to the battery cell or the battery module housing, and a battery pack case configured to receive a plurality of battery module housings. The battery pack case includes a pack case space portion located adjacent to the first surface and a crossbeam located adjacent to the second surface, 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.

Abstract: A battery module includes a battery cell assembly having a plurality of battery cells, a sensing assembly which covers a front and rear of the battery cell assembly when mounted thereto, a module case which receives the battery cell assembly and the mounted sensing assembly, and a thermally conductive adhesive interposed between an upper inner surface of the module case and an upper side of the battery cell assembly. The sensing assembly includes a first busbar frame assembly positioned at the front of the battery cell assembly, a second busbar frame assembly positioned at the rear of the battery cell assembly, and a sensing wire which connects the first and second busbar frame assemblies and runs across the upper side of the battery cell assembly in a diagonal direction. The thermally conductive adhesive is disposed on two sides of the sensing wire.

Abstract: A battery pack includes a plurality of battery cell stacks, each battery cell stack including a plurality of battery cells; a battery pack case configured to receive the plurality of battery cell stacks, wherein the battery pack case includes a pack case space portion located adjacent to a first side of a first battery cell stack; and a beam located adjacent to a second side of the first battery cell stack; the battery pack case being hollow and configured to store a coolant; and an outlet in the battery pack case.

Abstract: A battery module includes a sub module including a cell stack assembly having a plurality of battery cells; a module housing configured to accommodate the sub module; a front sealing plate configured to cover an opening at one longitudinal side of the module housing and having an inlet for introducing an insulating cooling liquid; a rear sealing plate configured to cover an opening at the other longitudinal side of the module housing and having an outlet for discharging the insulating cooling liquid; and a sensing assembly configured to sense voltage of the battery cell.

Abstract: A battery module includes a sub module including a cell stack assembly having a plurality of battery cells and a flow path spacer interposed between adjacent battery cells and having a cooling liquid flow path for allowing an insulating cooling liquid to flow in direct contact with the battery cells; a module housing configured to accommodate the sub module; a front sealing plate configured to cover an opening at one longitudinal side of the module housing and having an inlet for introducing the insulating cooling liquid; and a rear sealing plate configured to cover an opening at the other longitudinal side of the module housing and having an outlet for discharging the insulating cooling liquid.

Abstract: A battery module includes a sub module including a cell stack assembly having a plurality of battery cells; a module housing configured to accommodate the sub module; a front sealing plate configured to cover an opening at one longitudinal side of the module housing and having an inlet through which a cooling liquid is introduced; a rear sealing plate configured to cover an opening at the other longitudinal side of the module housing and having an outlet through which the cooling liquid is discharged; and a pair of terminal assemblies. The pair of terminal assemblies include an outer terminal located at an outer side of the front sealing plate, a stud inserted into a terminal hole formed in the front sealing plate, and a terminal spacer interposed between an inner surface of the terminal hole and the stud.

Abstract: A battery module includes a sub module including a cell stack assembly having a plurality of battery cells and a cooling fin interposed between adjacent battery cells; a module housing configured to accommodate the sub module; a front sealing plate configured to cover an opening at one longitudinal side of the module housing and having a cooling liquid inlet; a rear sealing plate configured to cover an opening at the other longitudinal side of the module housing and having a cooling liquid outlet; and a sensing assembly configured to sense voltage of the battery cell.

Abstract: A battery module including: a sub-module, the sub-module including a cell stack including a plurality of battery cells and a plurality of cooling fins located between adjacent battery cells, a front bus bar frame assembly coupled to a first side of the cell stack in a longitudinal direction of the cell stack, and a rear bus bar frame assembly coupled to a second side of the cell stack in the longitudinal direction of the cell stack; a housing accommodating the sub-module; a front sealing plate covering an opening on a first side of the housing in a longitudinal direction of the housing and including an insulating oil inlet; and a rear sealing plate covering an opening on a second side of the housing in the longitudinal direction of the housing and including an insulating oil outlet.

Abstract: A battery pack includes a battery module configured to receive a plurality of battery cells, a battery pack case configured to receive two or more battery modules, and a heat sink located under the battery modules, wherein each of the battery modules includes a plurality of battery cells, a water tank located above the plurality of battery cells, and a module case configured to receive the plurality of battery cells and the water tank. When fire breaks out in the battery cell, it is possible to rapidly and accurately prevent spread of flames of the ignited battery cell.

Abstract: A battery module including: a sub-module including a cell stack including a plurality of battery cells and cooling fins located between adjacent battery cells, front and rear bus bar frames coupled to first and second sides of the cell stack in a longitudinal direction of the cell stack, respectively; a housing including a main housing accommodating the sub-module, lower and upper covers covering a lower opening and an upper opening, respectively, of the main housing; an insulating oil inlet passing through a first side of the main housing in a longitudinal direction of the main housing and configured to supply insulating oil into a receiving space of the sub-module; and an insulating oil outlet passing through a second side of the main housing in the longitudinal direction of the main housing and configured to discharge the insulating oil from the receiving space of the sub-module.

Abstract: A battery module comprises a sub module; a module housing configured to accommodate the sub module; a front sealing plate configured to cover a front opening of the module housing; and a rear sealing plate configured to cover a rear opening of the module housing. The sub module includes a cell stack assembly, a front bus bar frame assembly coupled to a front end of the cell stack assembly adjacent to the front opening of the module housing, and a rear bus bar frame assembly coupled to a rear end of the cell stack assembly adjacent to the rear opening of the module housing. The sub module includes a plurality of battery cells and a channel spacer interposed between adjacent battery cells. The front sealing plate has an inlet for introducing an insulation cooling liquid, and the rear sealing plate has an outlet for discharging the insulation cooling liquid.

Abstract: Discussed is a battery pack that can include a plurality of battery modules each including at least one battery cell, a pack housing supporting the plurality of battery modules, and a plurality of mounting units coupled to the pack housing, located between the plurality of battery modules, and configured to press the plurality of battery modules toward the pack housing.

Abstract: A battery module comprises a cell stack assembly, a front bus bar frame, and a rear bus bar frame. The cell stack assembly includes a plurality of battery cells and a plurality of fluid passage spacers located between adjacent battery cells. The front bus bar frame assembly is coupled to a side of the cell stack assembly along a longitudinal direction and includes a module inlet through which insulating oil for cooling of the plurality of battery cells is supplied to the plurality of fluid passage spacers. The rear bus bar frame assembly is coupled to the opposite side of the cell stack assembly along the longitudinal direction and includes a module outlet through which insulating oil passing through the module inlet and the plurality of fluid passage spacers is discharged.

Abstract: 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, and a water tank located on one surface of each of the battery module housings, the water tank being configured to receive a coolant, wherein the battery module housing is configured to wrap outer surfaces of the plurality of battery cells. In a battery pack including a plurality of battery modules, it is possible to prevent thermal spread between adjacent battery modules when fire breaks out in a battery cell.

Abstract: 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, and a water tank located on one surface of each of the battery module housings, the water tank being configured to receive a coolant, wherein 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.