Abstract: A battery pack includes: a lower pack housing having a plurality of module regions; a plurality of thermally conductive resin layers disposed in respective ones of the plurality of module regions; and a plurality of cell blocks mounted on respective ones of the plurality of module regions at an upper side of the respective thermally conductive resin layer, wherein each of the plurality of cell blocks includes: a battery cell stack in which a plurality of battery cells are stacked; and an insulator that surrounds the battery cell stack.

Abstract: A battery pack according to an embodiment of the present invention may include a plurality of battery modules including a battery cell stack where a plurality of battery cells are stacked, a module frame accommodating the battery cell stack, and a heat sink disposed below a bottom portion of the module frame. A pack frame may accommodate the plurality of battery modules. A refrigerant transmission bolt may couple the bottom portion of the module frame, the heat sink, and the pack frame. The pack frame may include a pack refrigerant pipe for supply and discharge of a refrigerant. A connection conduit in the refrigerant transmission bolt may connect the pack refrigerant pipe and the heat sink.

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 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: The present disclosure discloses a battery pack 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 according to one aspect of the present disclosure includes a pack housing; a battery module; and a pack cover having a first side venting channel, a second side venting channel and a center venting channel configured to guide a venting gas generated from the battery module at a position corresponding to the battery module, the pack cover being configured to cover the battery modules by being coupled to the pack housing.

Abstract: A battery module includes a battery cell stack in which a plurality of battery cells are stacked; a module frame for housing the battery cell stack; and a heat sink which is formed under the bottom portion of the module frame and cools the plurality of battery cells. The heat sink includes a lower plate and a partition wall portion forming a flowing path of a refrigerant, and the partition wall portion is formed of a shape memory alloy, and the shape of the partition wall portion is deformed according to temperature, thereby changing the flow of the refrigerant.

Abstract: A battery pack discharges 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; a battery module; and a pack cover having a first center venting channel, a first side venting channel, a second center venting channel and a second side venting channel configured to guide a venting gas generated from the battery module at a position corresponding to the battery module, the pack cover being configured to cover the battery modules by being coupled to the pack housing.

Abstract: A battery pack includes: a lower pack housing having a plurality of module regions; a plurality of thermally conductive resin layers disposed in respective ones of the plurality of module regions; and a plurality of cell blocks mounted on respective ones of the plurality of module regions at an upper side of the respective thermally conductive resin layer, wherein each of the plurality of cell blocks includes: a battery cell stack in which a plurality of battery cells are stacked; and an insulator that surrounds the battery cell stack.

Abstract: A battery module including a cell stack structure in which a plurality of battery cells including a first battery cell and a second battery cell neighboring each other are stacked. A bus bar frame assembly includes a plurality of lead drawing holes from which electrode leads included in the plurality of battery cells are drawn out. An electrode lead of a first polarity included in the first battery cell and an electrode lead of the first polarity included in the second battery cell are externally drawn out through a same lead drawing hole. The electrode lead of the first battery cell and the electrode lead of the second battery cell are bent in a same direction at a same location and each includes a first bent portion formed on a terrace portion and a second bent portion formed in a region where a lead film is formed.

Abstract: A battery pack according to an embodiment of the present invention may include a plurality of battery modules including a battery cell stack where a plurality of battery cells are stacked, a module frame accommodating the battery cell stack, and a heat sink disposed below a bottom portion of the module frame. A pack frame may accommodates the plurality of battery modules. A refrigerant transmission bolt may couple the bottom portion of the module frame, the heat sink, and the pack frame. The pack frame may includes a pack refrigerant pipe for supply and discharge of a refrigerant. A connection conduit in the refrigerant transmission bolt may connects the pack refrigerant pipe and the heat sink.

Abstract: A battery module including an upper battery cell stack and a lower battery, each of the upper and lower battery cell stacks including a plurality of battery cells; a cooling flow path located between the upper battery cell stack and the lower battery cell stack; a housing for the upper battery cell stack and the lower battery cell stack; an inlet port for supplying a refrigerant to the cooling flow path; and an outlet port for discharging the refrigerant from the cooling flow path, where the inlet and outlet ports are located opposite to each other, so that the refrigerant flows in one direction in the cooling flow path. A longitudinal direction of each of the plurality of battery cells is parallel to the one direction of flow of the refrigerant.

Abstract: The battery pack according to one embodiment of the present disclosure includes: a lower pack housing including a plurality of module regions; a thermally conductive resin layer located in the module region; a battery module mounted on the module region and located on the thermally conductive resin layer; and an upper pack housing for covering the battery module, wherein the battery module comprises a battery cell stack in which a plurality of battery cells are stacked, and the battery cell stack directly faces the thermally conductive resin layer, wherein the battery cell stack includes cooling fins located between battery cells adjacent to each other among the plurality of battery cells, and wherein the end portion of the cooling fin comes into contact with the thermally conductive resin layer.

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 pack discharges 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; a battery module; and a pack cover having a first center venting channel, a first side venting channel, a second center venting channel and a second side venting channel configured to guide a venting gas generated from the battery module at a position corresponding to the battery module, the pack cover being configured to cover the battery modules by being coupled to the pack housing.

Abstract: A battery module includes a battery cell stack in which a plurality of battery cells are stacked; a module frame that houses the battery cell stack; and a flame exhaust frame arranged so as to cover one surface of the module frame, wherein the flame exhaust frame is formed in a recessed shape in a direction opposite to the direction in which the one surface of the module frame is located. A passage part is formed between the flame exhaust frame and the one surface of the module frame, and the passage part extends to a flame exhaust port formed in the flame exhaust frame.

Abstract: A battery module includes: a plurality of battery cell stacking bodies including a plurality of battery cells; a frame member for receiving the battery cell stacking bodies; and at least one cell barrier structure body disposed between the battery cell stacking bodies. The cell barrier structure body includes two planar members in parallel to the battery cells, and a venting passage formed by the two planar members, and one of the two planar members includes a first opening formed to be opened toward the battery cell stacking body.

Abstract: The battery module includes a battery cell stack including a plurality of stacked battery cells; a case in which the battery cell stack is received; and a connector coupled to the case and including a flame propagation prevention member. The battery module may be used in a battery pack or a vehicle.

Abstract: A battery pack having a first battery module including a first battery cell stack in which a plurality of first battery cells are stacked, a first module frame for accommodating the first battery cell stack, and a first cooling plate located below a bottom portion of the first module frame, a second battery module including a second battery cell stack in which a plurality of second battery cells are stacked, a second module frame for accommodating the second battery cell stack, and a second cooling plate located below a bottom portion of the second module frame, a pack frame for accommodating the first and second battery modules, and a cooling pipe connecting the first cooling plate and the second cooling plate, the cooling pipe formed along one side part of the first battery module is provided. The first cooling plate and the second cooling plate are vertically stacked.

Abstract: A battery module includes battery cell stacking bodies including battery cells; a frame member for receiving the battery cell stacking bodies; and at least one cell barrier structure body disposed between the battery cell stacking bodies. The cell barrier structure body includes two planar members in parallel to the battery cell, and a venting passage formed by the two planar members, and the respective planar members include an inflow portion that is opened and closed.

Abstract: A battery module according to one embodiment of the present disclosure includes at least one battery cell, and a module unit containing a unit module frame surrounding the at least one battery cell, wherein a side surface part of the unit module frame includes a recessed part.