Abstract: A battery module includes a case which has an opening on a front side and provides an internal space; a battery cell disposed in the internal space; and a gas valve including a seating portion which is installed in the opening and has an outlet and a cover which is movable in a front-rear direction and opens and closes the outlet. The cover includes a first part of which diameter increases in a direction facing away from the outlet.

Abstract: A battery pack according to the present disclosure includes: a plurality of battery modules each having a sensor member configured to detect gas or heat; a pack case including a wall frame that has a gas venting path provided therein to communicate with the battery module and surrounds the battery module; and a venting path cooling unit configured to cool the gas venting path by causing a cooling medium to flow through the wall frame based on a danger signal generated from the sensor member.

Abstract: Disclosed is a battery module having an improved structure for enhanced safety when a thermal event occurs inside the battery module. A battery module according to an aspect of the present disclosure includes: a module case configured to form an inner space; a plurality of battery cells accommodated in the inner space of the module case and arranged in at least one direction; and a guiding plate connected to at least one side surface of the module case and configured to extend in a diagonal direction.

Abstract: A battery pack includes a pack case including a plurality of module mounting areas divided by partition walls, battery modules each including a sensor member for transmitting a danger signal when a thermal event occurs, the battery modules being respectively located in the plurality of module mounting areas, and a fire extinguishing unit configured to receive the danger signal and supply fire extinguishing water to the module mounting area in which a target battery module transmitting the danger signal among the battery modules is located.

Abstract: There are provided a battery module with improved space utilization and a battery pack and a vehicle including the same. The battery module according to an aspect of the present disclosure includes: a plurality of battery cells, each including an electrode assembly and a cell case accommodating the electrode assembly; a plurality of electrode leads, each connected to the electrode assembly of each of the plurality of battery cells and extending to a predetermined length from the cell case, and coupled to each other such that each end portion overlaps an end portion of another electrode lead in a sequential order; and a busbar coupled to any one of the overlapping coupled electrode leads.

Abstract: A battery module includes a module case having an inner space surrounded by a plurality of surfaces to accommodate battery cells in the inner space and at least one vent hole provided on a first surface of the plurality of surfaces so as to lead to the inner space and a vent hole cover attached to the module case and configured to cover the at least one vent hole. The vent hole cover may include an opening portion provided in a portion of the vent hole cover corresponding to the at least one vent hole and configured to be opened by venting gas from the battery cells.

Abstract: Disclosed is a battery module, which includes a plurality of battery cells stacked on each other, a module case configured to accommodate the plurality of battery cells, a thermal resin filled in the module case to cover electrode leads of the plurality of battery cells at least partially, a laser sensor provided to the module case to measure a filling length of the thermal resin, and a control unit configured to control filling of the thermal resin based on the filling length information measured by the laser sensor.

Abstract: A battery pack is configured to discharges a high-temperature gas to the outside of the battery pack without affecting other battery modules. The battery pack according to one aspect of the present disclosure includes a pack housing having a first accommodation space and a second accommodation space spaced apart from the first accommodation space; a plurality of first battery modules disposed within the first accommodation space; a plurality of second battery modules disposed within the second accommodation space; and a pack cover configured to include a plurality of first independent venting channels configured to guide a venting gas generated in each of the plurality of first battery modules to the outside of the pack housing and a plurality of second independent venting channels configured to guide a venting gas generated in each of the plurality of second battery modules to the outside of the pack housing.

Abstract: A battery module includes a cell stack including a plurality of battery cells, a module case in which the cell stack is accommodated, and a heat propagation blocking sheet including a heat-resistant material, which covers at least a portion of the cell stack inside the module case.

Abstract: A battery module includes a module frame having an inner space in which a plurality of battery cells is accommodated and an opening leading to the inner space; an insulating cover including a support on which a terminal electrically connected to the plurality of battery cells is disposed and supported, and configured to primarily cover the opening; an end plate having a window through which the support is exposed to the outside and configured to secondarily cover the opening covered by the insulating cover; and a blocking structure configured to cover the support exposed through the window and block an electrical short circuit between the terminal disposed on the support and the end plate.

Abstract: Disclosed is a battery pack with an improved structure to strengthen safety when a thermal event occurs. The battery pack includes a pack housing having an inner space; a plurality of battery modules provided in the inner space; and an upper frame having a plurality of convex blocks with a downward protruding shape at a lower portion thereof, the upper frame being coupled to an upper portion of the pack housing.

Abstract: A battery module includes a plurality of battery cells stacked in at least one direction; a module case configured to accommodate the plurality of battery cells in an inner space; and a heat dissipation member interposed between at least some of the plurality of battery cells and configured to at least partially contact the module case and transfer heat generated from the plurality of battery cells to the module case.

Abstract: Disclosed is a battery module, which includes a cell stack formed by stacking a plurality of battery cells; a bus bar frame assembly including a bus bar frame configured to cover one longitudinal end and the other longitudinal end of the cell stack and a plurality of bus bars fixed on the bus bar frame and electrically connected to the battery cells; and a FPCB assembly including a first FPCB extending along a longitudinal direction of the cell stack to cover at least a portion of an upper surface of the cell stack, a second FPCB extending from one longitudinal end of the first FPCB and electrically connected to the bus bars, and a connector having a connector pin inserted into a pin insert hole formed in the second FPCB.

Abstract: A battery pack according to an embodiment of the present disclosure includes: a plurality of batteries; a pack tray having an internal space accommodating the plurality of batteries and an opening communicating with the internal space; a pack lid coupled to the pack tray to cover the opening; and a heat dissipation structure disposed between the plurality of batteries and the pack lid, wherein the heat dissipation structure includes a first contact portion in thermal contact with at least one of the plurality of batteries; and a second contact portion that is spaced apart from the first contact portion at a predetermined distance and is in thermal contact with the pack lid.

Abstract: A battery pack is configured to discharge a high-temperature gas to the outside of the battery pack without affecting other adjacent battery modules when the gas is generated inside the battery module. The battery pack includes a pack housing; battery modules; and a pack cover configured to include a side venting channel configured to guide the gas generated in the battery module to the center space at a position corresponding to the battery module, and a center venting channel having a volume equal to or greater than the volume of the side venting channel and configured to guide the gas collected in the center space to the outside of the pack housing at a position corresponding to the center space.

Abstract: A battery pack includes a plurality of battery modules, each of which includes a battery cell stack in which a plurality of battery cells are stacked, and a module case configured to accommodate the battery cell stack and having at least one movement hole through which flame and gas move; a pack case configured to accommodate the plurality of battery modules so that an exhaust hole is formed between the battery modules and the pack case; and a flame/gas propagation preventing member disposed between the battery modules and the pack case and configured to prevent flame or gas generated from the battery cell from propagating.

Abstract: A battery pack is configured to discharge a high-temperature gas to the outside of the battery pack without affecting other adjacent battery modules when the gas is generated inside the battery module. The battery pack includes a pack housing; battery modules; and a first side venting channel and a second side venting channel configured to guide a venting gas generated from the battery modules to a collection space at a position corresponding to the battery module, and the pack cover includes a protrusion on a surface of a region corresponding to the collection space.

Abstract: A battery module according to the present disclosure includes a cell assembly having a cell stack composed of a plurality of battery cells stacked in one direction; a module case accommodating the cell assembly; and a screen unit configured to divide an internal space into left and right parts, the internal space formed between one side portion of the cell assembly in which electrode leads of the battery cells are disposed and one side portion of the module case facing each other.

Abstract: Disclosed is a battery module having an improved structure to secure safety. The battery module includes a cell assembly including at least one battery cell; a module case configured to accommodate the cell assembly in an inner space thereof and having a venting hole formed to discharge a gas in the inner space to the outside; a filtering member provided in the venting hole of the module case and configured to filter foreign matter from flowing into the inner space from the outer space through the venting hole; and a plurality of mesh members respectively configured in a mesh form and provided on both sides of the filtering member.

Abstract: A battery module includes a structure so that gas or flame generated inside the battery module may be discharged stably. The battery module includes a cell assembly having at least one battery cell; a module case configured to accommodate the cell assembly in an inner space thereof and have a venting hole formed therein to discharge a venting gas generated from the cell assembly; and a venting unit provided at an outer side of the module case and configured to include an outer housing and an inner housing made of different materials, the venting unit being configured such that the venting gas discharged from the venting hole is introduced therein to flow along a surface of the inner housing and is discharged to the outside.