Abstract: A battery module of the present disclosure includes: a plurality of battery cells each including an openable venting portion on a first surface, a bus bar assembly electrically connecting the plurality of battery cells, a cover portion covering the plurality of battery cells and including a through-hole in an area corresponding to an openable venting portion of a battery cell of the plurality of battery cells, and a cap portion covering the through-hole and detachably coupled to the cover portion.

Abstract: A battery system includes a battery pack including a pack frame, a plurality of battery modules disposed within the pack frame, and a cooling plate covering the plurality of battery modules and including an accommodation space for accommodating a refrigerant, a cooling passage connected to the cooling plate, a circulation pump connected to the cooling passage and configured to circulate the refrigerant within the cooling passage and the cooling plate, a pressure sensor disposed within the cooling passage, a plurality of temperature sensors disposed on the plurality of battery modules, and a processor electrically connected to the plurality of temperature sensors and the pressure sensor. The processor is configured to adjust an output of the circulation pump based on at least one of a temperature detected by one or more of the plurality of temperature sensors and pressure detected by the pressure sensor.

Abstract: A battery pack comprising one or more battery modules and a support frame opposing the one or more battery modules in a first direction, the one or more battery modules including a plurality of battery cells stacked in the first direction to form a cell stack and a side cover opposing the cell stack in the first direction, wherein the side cover comprises a first inclined surface opposing the support frame and inclined with respect to the first direction.

Abstract: A battery pack includes: a plurality of battery assemblies, respectively including a cell stack in which a plurality of battery cells are stacked; a pack housing forming an accommodation space that accommodates the plurality of battery assemblies and including an upper cooling plate, a lower cooling plate, and a side wall extending between the upper cooling plate and the lower cooling plate; a first heat conduction member disposed between the plurality of battery assemblies and the upper cooling plate; and a second heat conduction member disposed between the plurality of battery assemblies and the lower cooling plate, in which each of the first heat conduction member and the second heat conduction member is in contact with the cell stack.

Abstract: A battery device comprises a cell assembly including a plurality of battery cells, and a busbar assembly electrically connecting the plurality of battery cells to each other. Each of the plurality of battery cells includes an electrode assembly, a pouch including a receiving portion accommodating the electrode assembly and a sealing portion sealing at least a portion of the receiving portion, and an electrode lead connected to the electrode assembly. The sealing portion includes a first sealing portion surrounding at least a portion of the electrode lead and a second sealing portion extending from the first sealing portion, at least a portion of which is folded. The busbar assembly includes a busbar including a slit for accommodating the electrode lead, and a frame supporting the busbar and including a guide portion of which an upper region is open to guide the electrode lead to the slit.

Abstract: A secondary battery cell insulation test apparatus In an embodiment of the present disclosure may include: a first probe portion disposed to be in contact with a case of a secondary battery cell; a second probe portion disposed to be contact with an electrode tab of the secondary battery cell; and a tester for measuring insulation resistance of the secondary battery cell in a state in which the first probe portion and the second probe portion are disposed to be in contact with the secondary battery cell, wherein the first probe portion may include a probe assembly to contact the case at a plurality of points.

Abstract: A secondary battery cell insulation test apparatus may include: a first probe portion disposed to be in contact with a case of a secondary battery cell; a second probe portion disposed to be in contact with an electrode tab of the secondary battery cell; and a tester for measuring insulation resistance of the secondary battery cell in a state in which the first probe portion and the second probe portion are disposed to be in contact with the secondary battery cell, wherein the first probe portion is in line contact or surface contact with the case.

Abstract: A battery device including a plurality of cell stacks formed by stacking a plurality of battery cells and including terminal for external connection, a case accommodating the plurality of cell stacks therein, and at least one busbar assembly contacting the terminal of the plurality of cell stacks to electrically connect the plurality of cell stacks to each other, wherein the at least one busbar assembly is disposed in a bottom surface of the case, and wherein the plurality of cell stacks, having a bottom surface on which the terminal is disposed, is coupled to the busbar assembly, is disclosed.

Abstract: Battery modules are disclosed. In an implementation, a battery module comprises a plurality of sub-battery units sequentially disposed in a front-rear direction between forward and rearward sides of the battery module, each of the plurality of sub-battery units including a first end and a second end; a first side cover coupled to the first ends of the plurality of sub-battery units; and a second side cover coupled to the second ends of the plurality of sub-battery units and positioned opposite the first side cover. Each of the plurality of sub-battery units includes a housing open toward the first side cover, the second side cover, and a bottom of the housing, and a plurality of battery cells accommodated in the housing and sequentially disposed in the front-rear direction.

Abstract: A battery pack comprising one or more battery modules and a support frame opposing the one or more battery modules in a first direction, the one or more battery modules including a plurality of battery cells stacked in the first direction to form a cell stack and a side cover opposing the cell stack in the first direction, wherein the side cover comprises a first inclined surface opposing the support frame and inclined with respect to the first direction.

Abstract: A battery device including a plurality of cell stacks formed by stacking a plurality of battery cells and including terminal for external connection, a case accommodating the plurality of cell stacks therein, and at least one busbar assembly contacting the terminal of the plurality of cell stacks to electrically connect the plurality of cell stacks to each other, wherein the at least one busbar assembly is disposed in a bottom surface of the case, and wherein the plurality of cell stacks, having a bottom surface on which the terminal is disposed, is coupled to the busbar assembly, is disclosed.

Abstract: A battery cell stack of the present invention includes a plurality of battery cells and a resin layer wholly or partially in contact with an outer surface of at least one of the plurality of battery cells, wherein the resin layer includes a solvent-free adhesive and a flame retardant, and has a peel strength of 1,000 gf/in to 3,000 gf/in measured according to ASTM D3330, and a shear strength of 20 kgf/sq-in to 100 kgf/sq-in measured according to ASTM D1002, and the flame retardant includes one or more of a phosphorus-based flame retardant and a nitrogen-based flame retardant, such that the operational stability and flame retardancy may be simultaneously improved, while simplifying materials and processes necessary to manufacture the battery cell stack.

Abstract: A pouch-type battery cell includes an electrode assembly formed by stacking a plurality of electrode plates, a pouch having an electrode accommodating portion accommodating the electrode assembly therein and a sealing portion sealing at least a portion of a circumference of the electrode accommodating portion, and electrode leads electrically connected to the electrode assembly and exposed to an outside of the pouch through the sealing portion. The electrode leads are exposed to the outside of the pouch through a first sealing portion formed at a corner of the pouch among the sealing portion.

Abstract: A battery module including a cell stack including a plurality of battery cells that are stacked on top of one another, the plurality of battery cells including electrode leads, at least one bus bar structured to provide a plurality of through-slits into which the electrode leads are inserted, and a bus bar frame coupled to the at least one bus bar, the bus bar frame having a plurality of through-holes in which the electrode leads are disposed. Each of the through-slits may include a first guide portion structured to include a first space wider than a width of a corresponding through-slit for a corresponding electrode lead to be inserted toward the through-slit, and the bus bar frame may include a second guide portion structured to include a second space that extends from the first space and has a width wider than the first space.

Abstract: A battery module includes a cell stack in which a plurality of battery cell assemblies are stacked; a busbar assembly electrically connected to the cell stack; and a cover assembly covering the busbar assembly, wherein at least one of the plurality of battery cell assemblies includes at least two battery cells opposing each other; and a support member supporting the at least two battery cells, and wherein the busbar assembly is coupled to the support member.

Abstract: A battery cell assembly includes a first battery cell, a second battery cell disposed to face the first battery cell, a protective member disposed between the first battery cell and the second battery cell, and a support member coupled to at least one side of the protective member and supporting the protective member. The protective member includes a heat insulating member preventing heat propagation between the first battery cell and the second battery cell.

Abstract: A battery pack includes a pack housing including a lower frame and a side frame; and one or more battery modules accommodated in the pack housing. The battery module includes a plurality of cell stacks in which a plurality of battery cells are stacked in a first direction; and a plurality of end plates fastened to the lower frame. The plurality of end plates and the plurality of cell stacks are alternately disposed in the first direction.

Abstract: A battery pack includes a plurality of battery modules each including a plurality of battery cells; and a pack housing having a plurality of accommodation spaces in which the plurality of battery modules are accommodated, wherein the pack housing includes a plurality of venting holes disposed on an external surface of the pack housing and configured to discharge gas generated from the plurality of battery modules, and wherein each of the plurality of accommodation spaces is configured to communicate with a different venting hole among the plurality of venting holes.

Abstract: A battery pack includes at least one battery module; and a pack housing having an internal space in which the battery module is accommodated, wherein the at least one battery module includes a cell stack including a plurality of battery cells; and an upper cover covering an upper surface of the cell stack and coupled to the pack housing.

Abstract: A battery device includes a plurality of cell assemblies each including a plurality of battery cells; a housing including an accommodation space in which the plurality of cell assemblies are accommodated; and a cooling plate installed in the housing to cool the plurality of cell assemblies, wherein the cooling plate includes a plurality of seating portions on which the cell assemblies are seated, respectively, and a heat transfer delay portion disposed between the plurality of seating portions and preventing or reducing heat transfer between the seating portions adjacent to each other.