Abstract: Aspects of the present disclosure relate to a battery pack for accommodating battery modules, including a pack case including a module area having a battery module seated therein. The pack case includes a base plate having a hollow structure with a hollow interior, and a side wall coupled along an edge of the base plate, wherein the base plate has a high-pressure liquefied gas filled inside the hollow structure.

Abstract: The present disclosure relates to a battery pack configured to accommodate a battery module including a cell stack in which a plurality of cells are stacked, including: a pack case including a base plate configured to support a lower portion of the battery module, a main partition wall coupled to a center portion of the base plate and formed to extend across the base plate, a side wall coupled along an edge of the base plate, and an auxiliary partition wall having both ends coupled to the main partition wall and the side wall, respectively; and a long bolt member coupled to the pack case by passing through the auxiliary partition wall such that the auxiliary partition wall is coupled to the main partition wall and the side wall.

Abstract: A battery pack includes a lower pack housing including a bottom plate and a side wall frame surrounding edges of the bottom plate; an upper lid coupled to an upper surface of the side wall frame while covering the lower pack housing; and a pack gasket installed between the upper surface of the side wall frame and the upper lid, in which a first protruding part blocking the inside of the battery pack and the pack gasket is provided along the upper surface of the side wall frame.

Abstract: Discussed is a battery pack including a housing having a plate part, a plurality of battery devices on a first side of the plate part of the housing, a cover plate on a second side of the plate part of the housing, and a plurality of fastening members configured to fix the cover plate and the housing, in which each of the plurality of fastening members includes a head part and a shank, in which a diameter of the shank is less than a diameter of the head part, and the head part of each of the plurality of fastening members is in contact with the cover plate.

Abstract: A battery pack includes a cell stack including one or more battery cells, including a pack case. The pack case includes a base plate supporting a lower portion of the cell stack; a main wall extending across the base plate and coupled to a center portion of the base plate; a side wall having a hollow shape and including a gas venting path therein, and coupled along an edge of the base plate; and a plurality of supplementary wall having a front end coupled to the main wall, and a rear end coupled to the side walls. The supplementary wall includes a first partition member including a pair of ribs along a longitudinal direction of the supplementary wall, and a second partition member coupled to the first partition member. At least one of the first partition member and the second partition member includes a first hole between the ribs.

Abstract: A pack case includes a base plate supporting a lower part of the battery modules, and side walls coupled to along the edge of the base plate and side walls coupled to the base plate to separate a space in which the battery modules are accommodated; top cover coupled the pack case to cover a battery module accommodated in the pack case; and a reinforcement beam inserted into at least one of the side walls and separation walls. The reinforcement beam includes at least two side-by-side reinforcement members in the form of columns having a plurality of ribs protruding and formed, and provides a battery pack.

Abstract: A battery pack includes a pack case in which a cell stack assembly is mounted; and a supplementary partition wall coupled to the pack case to compartmentalize a space inside the pack case; wherein the pack case includes: a base plate supporting a lower part of the mounted cell stack assembly; and a side wall of hollow structure coupled to the base plate to support a side part of the cell stack assembly, and including a gas venting path internally; and wherein the supplementary partition wall is coupled to the base plate and side wall of the pack case, and includes a gas flow path internally in connection with the gas venting path of the side wall.

Abstract: A pack case includes a base plate, a side plate coupled along a perimeter of the base plate to define an accommodation space therein; a lower cross beam coupled to the base plate to transversely divide the accommodation space; and an upper cross beam coupled to the lower cross beam.

Abstract: A battery pack includes a pack case that includes external terminals formed on one side and contains a plurality of battery modules inside; a protective frame that extends across the pack case and defines the module area; a busbar that electrically connects the battery modules and the external terminals of the pack case; and a battery management unit located on the other side opposite to the pack case from where the external terminals are formed. The protective frame includes slots extending along the length direction of the protective frame, the module area is compartmentalized by the protective frame and includes a first battery part formed on one side of the protective frame and a second battery part formed on the opposite side of the protective frame, the busbar is inserted and secured within the slots of the protective frame, and the protective frame surrounds its sides.

Abstract: The disclosed technology relates to a battery pack. In an example, the battery pack includes: a pair of base plates, a center frame between the pair of base plates and connected to each of the base plates at both sides in a longitudinal direction, a pair of side frames each connected to an outer side surface of each of the base plates in the longitudinal direction, and a plurality of battery modules on the pair of base plates in a pack space between the center frame and the side frame, wherein each of the plurality of battery modules includes a pair of module frames and accommodates a plurality of battery cells, and wherein the plurality of battery modules are accommodated in the pack space such that the module frames are disposed in a direction crossing the center frame and the side frame.

Abstract: The present invention relates to a battery pack having a refrigerant circulation channel, and more particularly to a battery pack having a refrigerant circulation channel provided in a pack case, the battery pack including at least one battery module; a pack case configured to receive the battery module therein; and a cooling unit located between an inside upper surface of the pack case and the battery module, the cooling unit being configured to discharge heat generated from the battery module, wherein the pack case is provided with a refrigerant circulation channel configured to supply and collect a refrigerant to and from the cooling unit.

Abstract: A battery pack includes a battery module including a plurality of battery cells; a pack housing configured to accommodate the battery module therein, and including a first case configured to cover one side of the battery module and having an open other side, and a second case configured such that it covers the other side of the battery module, one side thereof is open, and one side end thereof is coupled to the other side end of the first case; and a sealing member configured to be melted at a predetermined temperature or higher to flow into a gap between one end of the first case and the other end of the second case.

Abstract: The battery pack includes at least one battery module having a plurality of battery cells; a pack tray having a module mounting portion configured to mount one or more of the battery modules and extending in a horizontal direction, and a side cover portion extending upwardly from an outer periphery of the module mounting portion to cover a side of the battery module; and at least one side plate coupled to any one or more of the module mounting portion and the side cover portion, provided on one or both sides of the battery module, having a plurality of through-holes, and configured to block at least one surface of the battery module when the battery module is expanded.

Abstract: Discussed is a battery pack, which may include a battery module including a battery cell and having a cooling pipe unit including a coolant flow path for cooling the battery cell, a pack case configured to accommodate the battery module, a coolant inflow and outflow pipe configured to supply a coolant to the coolant flow path and to discharge the coolant from the coolant flow path to an outside of the pack case, a first sealing unit between the coolant inflow and outflow pipe and the pack case, and a second sealing unit between the coolant inflow and outflow pipe and the cooling pipe unit.