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: Discussed is an underbody for electric vehicles having a water tank, and more particularly to an underbody for electric vehicles, the underbody including a receiving portion depressed upwards by a predetermined depth, the receiving portion being configured to receive a battery pack, wherein a first water tank is mounted in an upper part of the receiving portion.

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.

Abstract: A battery pack includes a battery pack case configured to receive one or more battery modules and a heat sink located above 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, 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 pack includes a battery module housing configured to receive a plurality of battery cells, a battery pack case configured to receive one or more battery module housings, a water tank located above the battery module housings, and a heat sink located under the battery module housings. The battery module housing is configured to wrap 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, 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.

Abstract: A battery module includes a plurality of battery cell assemblies, each battery cell assembly including at least one battery cell, and a module frame extending in a longitudinal direction of the plurality of battery cell assemblies, the module frame accommodating therein the plurality of battery cell assemblies in a row in the longitudinal direction.

Abstract: A battery module according to an embodiment of the present disclosure includes a plurality of battery cells and a bus bar assembly configured to electrically connect the electrode leads of the battery cells, and the bus bar assembly includes a bus bar frame configured to cover one side of the battery cells, a plurality of lead slots through which the electrode leads pass, a sensing bus bar connected to the electrode leads, and an elastic guider disposed at both left and right sides of the sensing bus bar in a left and right direction of the bus bar frame.

Abstract: A battery module according to an embodiment of the present disclosure includes a plurality of battery cells and a bus bar assembly configured to electrically connect the electrode leads of the battery cells, and the bus bar assembly includes a bus bar frame configured to cover one side of the battery cells, a plurality of lead slots through which the electrode leads pass, a sensing bus bar connected to the electrode leads, and an elastic guider disposed at both left and right sides and a rear side of the sensing bus bar in a left and right direction and a front and rear direction of the bus bar frame.

Abstract: Discussed is a battery pack provided in a vehicle, the battery pack including a pack tray mounted on the vehicle; and at least one battery module provided on the pack tray, wherein the at least one battery module includes: at least one battery cell assembly mounted on the pack tray, and including at least one battery cell; and a plurality of side plates provided on opposite side surfaces of the at least one battery cell assembly to support the at least one battery cell assembly, the plurality of side plates being fixed to the pack tray, and wherein each of the plurality of side plates includes: a support portion supporting the at least one battery cell assembly; and a fixed portion extending from the support portion, and fixed to the pack tray.

Abstract: A battery module may include a plurality of battery cells that are stacked on each other; and a circuit module which is electrically connected to the plurality of battery cells and includes a plate-shaped circuit part having a width and a length. The circuit part may be disposed between any one pair of battery cells of the plurality of battery cells in a state in which a width direction of the circuit part is parallel to a direction perpendicular to a direction in which the plurality of battery cells are stacked.

Abstract: The present invention relates to a battery cell that can include an electrode assembly configured with two or more unit stacks connected to each other in series or in parallel, a battery case configured to receive the electrode assembly therein, and an insulative protection member configured to protect an electrode tab portion of the unit stacks. The overall length of the battery case can be three or more times the overall width of the battery case. A positive electrode lead and a negative electrode lead can extend outwards from the battery case protruding in opposite directions. A plurality of unit stacks can be used to implement a long battery cell, and a connection portion at which the plurality of unit stacks are connected is reinforced to improve safety of the battery cell.

Abstract: The present invention relates to a battery module and a battery pack, and provides airtightness, particularly, a sealing property for a high voltage (HV) terminal, thereby preventing the penetration of moisture from the outside and increasing the durability of the battery pack.

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 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 module may include a plurality of battery cells that are stacked on each other; and a circuit module which is electrically connected to the plurality of battery cells and includes a plate-shaped circuit part having a width and a length. The circuit part may be disposed between any one pair of battery cells of the plurality of battery cells in a state in which a width direction of the circuit part is parallel to a direction perpendicular to a direction in which the plurality of battery cells are stacked.