Abstract: A battery module includes a plurality of battery sub-packing units including at least one battery cell and a case in which the at least one battery cell is accommodated, and a body frame unit surrounding upper portions and outermost side portions of the plurality of battery sub-packing units, where lower portions of the plurality of battery sub-packing units are directly exposed to the outside.

Abstract: A pouch-type battery cell includes an electrode assembly, a pouch having at least one electrode accommodation portion accommodating the electrode assembly therein and a sealing portion for sealing the electrode assembly, and electrode leads electrically connected to the electrode assembly and exposed externally of the pouch through the sealing portion, wherein the electrode accommodation portion includes a body portion of which a width is greater than a height thereof, and an extension portion extending from a central portion of the body portion in a width direction to one side and having a width narrower than the width of the body portion, the electrode leads are disposed outside the extension portion in the width direction, and an end of the electrode leads has a height lower than an outer portion of the pouch.

Abstract: The present disclosure relates to a high voltage battery module and a pack, in which a thermal barrier is mounted, and, more particularly, relates to a battery module comprising a cell assembly stacked with a plurality of secondary battery cell; a housing accommodating the cell assembly, a thermal barrier is placed in the housing, wherein the thermal barrier comprises a heat resistant layer to prevent propagation of heat or flame from a secondary battery cell to an neighboring secondary battery cell.

Abstract: A battery module includes: a plurality of secondary battery cells; and a housing unit having an internal space in which the plurality of secondary battery cells are accommodated and including a plate member extending a flame or gas path.

Abstract: Provided is a battery assembly including: a battery housing; a battery cell assembly including a plurality of battery cells which are stacked and placed in the housing and are electrically connected; and a heat dissipation resin layer, and the battery assembly has minimized cell damage due to a swelling phenomenon occurring in a battery cell and an improved module life by controlling the physical properties of the low-hardness heat dissipation resin layer.

Abstract: A battery pack, may include: a plurality of cell stacks including a plurality of battery cells; a pack housing accommodating the plurality of cell stacks; a fixing bracket disposed between the plurality of cell stacks and the pack housing and between the plurality of cell stacks; and a fastening member fastening the fixing bracket to the pack housing, wherein the fixing bracket may be disposed to contact the plurality of battery cells on an upper side of the plurality of cell stacks.

Abstract: A battery pack, may include: a plurality of cell stacks including a plurality of battery cells; a pack housing accommodating the plurality of cell stacks; a fixing bracket disposed between the plurality of cell stacks and the pack housing and between the plurality of cell stacks; and a fastening member fastening the fixing bracket to the pack housing, wherein the fixing bracket may be disposed to contact the plurality of battery cells on an upper side of the plurality of cell stacks.

Abstract: A battery module includes: a plurality of secondary battery cells, each including an electrode lead connected to an electrode assembly, a terrace portion forming a periphery of a cell body member in which the electrode assembly is accommodated, and a sealing portion formed to be connected to the terrace portion; a housing in which the plurality of secondary battery cells are accommodated; and a guard unit installed to face at least a portion of the terrace portion and at least a portion of the sealing portion to delay bursting of the sealing portion of at least one of the secondary battery cells. In the guard unit, a gap between internal surfaces facing the terrace portion is formed to be smaller than a thickness of the cell body member to limit expansion thickness of the terrace portion.

Abstract: The present disclosure relates to a battery module including: a battery cell stack in which a plurality of battery cells are stacked; and a pressure drop sheet on one side of the battery cell stack, in which the pressure drop sheet includes: a ventilation layer including ceramic fiber; and a sacrificial layer on at least one surface of the ventilation layer, the sacrificial layer is disposed in a direction facing the battery cell stack, and the pressure drop sheet exhibits gas permeability at a critical temperature.

Abstract: A battery pack, may include: a plurality of cell stacks including a plurality of battery cells; a pack housing accommodating the plurality of cell stacks; a fixing bracket disposed between the plurality of cell stacks and the pack housing and between the plurality of cell stacks; and a fastening member fastening the fixing bracket to the pack housing, wherein the fixing bracket may be disposed to contact the plurality of battery cells on an upper side of the plurality of cell stacks.

Abstract: A battery module includes: a plurality of second battery cells, each including an electrode lead connected to an electrode assembly, a terrace portion of a cell body member in which the electrode assembly is accommodated, and a sealing portion connected to the terrace portion; a housing unit in which the plurality of secondary battery cells are accommodated; and a guard unit including a first area, facing at least a portion of the terrace portion, to delay swelling or bursting of the sealing portion of at least one of the plurality of secondary battery cells. The guard unit has a shape in which a first gap is smaller than a thickness of the cell body member to limit expansion of a thickness of the terrace portion, the first gap being a distance between internal surfaces of the first area.

Abstract: A battery module includes: a plurality of secondary battery cells; and a housing unit having an internal space in which the plurality of secondary battery cells are accommodated and including a plate member extending a flame or gas path.

Abstract: A battery module includes: a plurality of secondary battery cells, each including an electrode lead connected to an electrode assembly, a terrace portion forming a periphery of a cell body member in which the electrode assembly is accommodated, and a sealing portion formed to be connected to the terrace portion; a housing in which the plurality of secondary battery cells are accommodated; and a guard unit installed to face at least a portion of the terrace portion and at least a portion of the sealing portion to delay bursting of the sealing portion of at least one of the secondary battery cells. In the guard unit, a gap between internal surfaces facing the terrace portion is formed to be smaller than a thickness of the cell body member to limit expansion thickness of the terrace portion.

Abstract: The present disclosure relates to a battery module including: a battery cell stack in which a plurality of battery cells are stacked; and a pressure drop sheet on one side of the battery cell stack, in which the pressure drop sheet includes: a ventilation layer including ceramic fiber; and a sacrificial layer on at least one face of the ventilation layer, the sacrificial layer is disposed in a direction facing the battery cell stack, and the pressure drop sheet exhibits gas permeability at a critical temperature.

Abstract: A battery pack, may include: a plurality of cell stacks including a plurality of battery cells; a pack housing accommodating the plurality of cell stacks; a fixing bracket disposed between the plurality of cell stacks and the pack housing and between the plurality of cell stacks; and a fastening member fastening the fixing bracket to the pack housing, wherein the fixing bracket may be disposed to contact the plurality of battery cells on an upper side of the plurality of cell stacks.

Abstract: A battery module includes at least one cell group, and a heat dissipating member coupled to one side of the at least one cell group to externally dissipate heat generated in the at least one cell group, wherein the at least one cell group includes at least one battery cell stack, a flame retardant cover coupled to the battery cell stack to encase both side surfaces and an upper portion of the battery cell stack, and a flame retardant member disposed between an upper surface of the battery cell stack and the flame retardant cover and formed of a porous material.

Abstract: A battery module includes a plurality of secondary battery cells, a housing member accommodating a plurality of the secondary battery cells therein, and an insulating member disposed on an inner surface of the housing member, preventing flow of electrical current to the housing member, having a heat transfer function to discharge heat of the secondary battery cell externally, and formed to have a predetermined thickness.

Abstract: A battery module is provided comprising a plurality of battery cells and a housing having an internal space in which the plurality of battery cells are accommodated. The housing is at least partially formed of a plate member which is connected with the internal space. The plate member forms a flame or gas path which in an event of a battery cell malfunction generating a flame or gas is configured to discharge the generated flame or gas externally of the housing.

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 battery module includes at least one cell group, and a heat dissipating member coupled to one side of the at least one cell group to externally dissipate heat generated in the at least one cell group, wherein the at least one cell group includes at least one battery cell stack, a flame retardant cover coupled to the battery cell stack to encase both side surfaces and an upper portion of the battery cell stack, and a flame retardant member disposed between an upper surface of the battery cell stack and the flame retardant cover and formed of a porous material.