Abstract: Provided is a battery pack and a vehicle including the same. The battery pack includes a plurality of pouch-type battery cells, a pack case having an inner space in which the plurality of pouch-type battery cells are accommodated, and a cell cover at least partially surrounding and supporting at least some of the plurality of pouch-type battery cells. The cell cover includes a first cover portion covering one side surface of at least one of the plurality of battery cells, a second cover portion covering the other side surface of at least one of the plurality of battery cells, and a third cover portion connecting the first cover portion to the second cover portion and covering an upper end portion of the at least one battery cell. A first venting hole through which gas or flame is discharged is formed in at least one portion of the third cover portion.

Abstract: A battery cell has asymmetrically formed electrode leads, and a battery module including the same. The spatial efficiency and the mechanical strength of the battery module are improved.

Abstract: A battery cell has asymmetrically formed electrode leads, and a battery module includes the same. The spatial efficiency and the mechanical strength of the battery module are improved.

Abstract: A battery pack includes a plurality of pouch-type battery cells; a pack case accommodating the pouch-type battery cells in the internal space; and a cell cover. The cell cover includes two unit covers at least partially spaced apart, provided to at least partially surround at least some of the pouch-type battery cells among the plurality of pouch-type battery cells in the internal space of the pack case. The cell cover is configured to allow venting gas to be discharged into the separation space between the two unit covers, thereby ensuring excellent safety when a thermal event occurs. Moreover, the present application discloses a battery module and a vehicle including the same.

Abstract: A cell assembly according to the present disclosure includes a cell stack including one pouch-type battery cell or two or more pouch-type battery cells stacked; and a cell cover covering two side portions of the cell stack along a widthwise direction of the cell stack and a top portion of the cell stack, wherein the cell cover is configured to adjust a width of the cell cover according to a width of the cell stack.

Abstract: A battery pack according to an embodiment of the present disclosure includes a pack case including a coolant feed port and a coolant exit port through which a dielectric coolant enters and exits; a cross beam positioned in the pack case to form a space through which the dielectric coolant passes; and a plurality of battery modules, each including a plurality of battery cells, each battery module positioned in each space divided by the cross beam.

Abstract: A battery pack of the present disclosure includes a plurality of pouch-type battery cells; a pack case accommodating the plurality of pouch-type battery cells in an inner space; and a cell cover configured to partially surround the outer side of at least one pouch-type battery cell among the plurality of pouch-type battery cells to form an opening, wherein the pack case includes a flame-retardant portion on the side where the opening is located.

Abstract: A battery module includes a cell stack in which a plurality of battery cells are stacked; a pair of bus bar frames configured to cover one side and another side, respectively, of the cell stack in a longitudinal direction; a housing configured to accommodate a combined body of the cell stack and the pair of bus bar frames so that the pair of bus bar frames is exposed to an outside of the housing; and an insulation pad interposed between a side surface of the cell stack and an inner surface of the housing and between a side surface of one of the pair of bus bar frames and the inner surface of the housing.

Abstract: Disclosed is a battery pack including a battery module having a plurality of battery cells, and a heat dissipation member provided in contact with a bus bar at a side surface of the battery module where electrode leads of the battery cells and the bus bar coupled to the electrode leads are disposed.

Abstract: A battery pack includes a battery assembly including a plurality of cell units, and a pack case that houses the battery assembly in an inner space, wherein each cell unit includes at least one battery cell and a cell cover that partially covers the at least one battery cell, and wherein the cell cover comprises a first cover part that covers one side surface of the at least one battery cell, a second cover part that covers the other side surface of the at least one battery cell, a third cover part that connects one end of the first cover part and one end of the second cover part, and blocking parts that are respectively formed at the other end of the first cover part and the other end of the second cover part, and block removal of the at least one battery cell.

Abstract: A battery pack according to an embodiment of the present invention includes a plurality of battery cells in which battery cells each including a sealing portion are stacked in one direction, a cell cover that covers at least a part of the plurality of battery cells, a venting passage formed between the sealing portion of the plurality of battery cells and the cell cover, and an adhesive layer disposed in an inner surface of the venting passage.

Abstract: A battery pack according to an embodiment of the present disclosure can includes a battery cell assembly of stacked battery cell units. The battery cell assembly can be mounted on a pack tray. A pack cross beam can be located on a side surface of the battery cell assembly on the pack tray and provided with an internal gas passage. A venting unit can be located on an upper part of the battery cell assembly. The battery cell unit can include at least one battery cell and a cell cover to partially surround the battery cell. The cell cover can include at least one venting part. The venting unit can include a plurality of venting channels to guide a gas from the venting unit to the gas passage. Each venting channel can be aligned to a corresponding battery cell unit.

Abstract: A battery pack according to an embodiment of the present disclosure includes a plurality of battery cells stacked in one direction; a pack case that houses the battery cells in an inner space; a cell cover that at least partially surrounds at least a part of the plurality of battery cells in the inner space of the pack case; and a rupturable sheet formed between an upper portion of the cell cover and the battery cell.

Abstract: Provided are an interconnect board (ICB) assembly suitable for a battery module of horizontal stack structure including unidirectional battery cells stacked with cell leads facing each other, a battery module comprising the same and a method for fabricating the battery module. The ICB assembly according to the present disclosure includes an ICB frame configured to receive leads of unidirectional battery cells such that the unidirectional battery cells having the cell leads at one end are placed facing each other with the cell leads facing each other, and busbars assembled in the ICB frame, size and configured to be electrically connected to the cell leads.

Abstract: Provided is a battery pack configured to ensure structural stability even when a thermal event occurs and a vehicle including the battery pack. A battery pack according to an aspect of the present disclosure includes battery cells stacked along a left-right direction including electrode leads extending along a front-back direction, a pack case in which the battery cells are accommodated, and a partition wall extending along the left-right direction between the pack case and the battery cells The partition wall is closed in the front-back direction and being open in the left-right direction.

Abstract: A battery cell block includes a plurality of cell units including one or more pouch-type battery cells and a cell cover configured to surround the one or more pouch-type battery cells, the plurality of cell units being stacked in at least one direction, and a fixing member configured to fix a stacked state of the plurality of cell units by surrounding a stack of the plurality of cell units. A battery pack including the battery cell block, and a vehicle including the same, are also provided.

Abstract: A battery cell assembly is provided. The battery cell assembly includes at least one pouch-type battery cell including an electrode lead, a cell cover surrounding the at least one pouch-type battery cell and having a front open end or a rear open end, a bus bar connected to the electrode lead of the at least one pouch-type battery cell, a bus bar frame supporting the bus bar and covering the front open end or the rear open end of the cell cover where the electrode lead is located, and a flame blocking member including a mesh net formed of a material with high rigidity and high heat resistance coupled to a body of the bus bar.

Abstract: A battery pack including a plurality of cell units stacked in a first direction, each cell unit including a cell stack including one battery cell or a plurality of battery cells stacked and a cell cover accommodating the cell stack; and a pack case comprising a pack tray on which the plurality of cell units are seated and a pack cover covering the plurality of cell units and coupled to the pack tray, wherein the cell cover has a top open portion and the pack cover has a fire extinguishing material input zone to feed a fire extinguishing material into the cell cover through the top open portion of the cell cover, and wherein at least a portion of the fire extinguishing material input zone is configured to be heat-melted so that the fire extinguishing material is fed into the cell cover.

Abstract: The present application relates to an optical film and a method for producing a polarizing plate. The present application can provide an optical film satisfying optical and mechanical durability required in a polarizing plate effectively and capable of forming a polarizing plate without causing bending when applied to a display device, and a method for producing a polarizing plate to which the optical film is applied. The present application can provide an optical film capable of realizing the required optical and mechanical durability without causing bending even in a polarizing plate applied to a thin display device and/or a thin polarizing plate, and a method for producing a polarizing plate to which the optical film is applied.

Abstract: Discussed is an electrode lead tack welding jig for a battery cell, and the jig including a jig body configured to support at least two battery cells, and a close contact guide unit provided to both ends of the jig body and configured to guide electrode leads of the at least two battery cells to come into close contact when tack welding is performed to the electrode leads by a laser.