Abstract: Disclosed is a battery module including a module housing capable of effectively increasing an energy density while improving the heat dissipation efficiency. The battery module includes a cell assembly having a plurality of secondary batteries; and a module housing having at least one sidewall to accommodate the cell assembly in an inner space defined by the sidewall and having a cooling channel embedded in the sidewall.

Abstract: Provided are a battery module capable of preventing damage of a battery cell in as case when the battery cell is mounted and accommodated in a cell cartridge, and a battery pack including the battery module. The battery module according to the present disclosure includes a plurality of battery cells, at least one cell cartridge configured to guide stacking of the plurality of battery cells and to mount therein at least one battery cell among the plurality of battery cells, and a sheet member provided between the battery cell and the cell cartridge, and the sheet member is adhered to the battery cell on a surface where the sheet member contacts the battery cell and is adhered to the cell cartridge on a surface where the sheet member contacts the cell cartridge, to fix the battery cell and the cell cartridge to each other via the sheet member.

Abstract: A laser welding jig includes a jig body configured to cover the bus bar unit during welding. A plurality of welding slits are formed at the jig body so that electrode leads and at least one lead bus bar are exposed out of the jig body for the welding. A plurality of bolt insert portions are provided between plurality of welding slits. The welding jig also includes at least one bolt insert hole into which at least one pressing bolt is inserted, and a pair of lead adhering blocks provided at a rear surface of each of the bolt insert portions and configured to be spaced from each other as the pressing bolt is inserted so that the electrode leads are adhered to the lead bus bar.

Abstract: The present disclosure relates to a pouch casing material including two cups forming an electrode assembly receiving portion and formed integrally in one pouch film. The pouch casing material includes an upper pouch member and a lower pouch member formed integrally with each other, and the connection between the upper pouch member and the lower pouch member does not protrude toward the outside. Thus, the total length of a battery is reduced.

Abstract: Provided is a cooling plate having excellent cooling performance and a low weight, a battery module including the same, and a method for manufacturing the same. The cooling plate is interposed between a cooling unit that is in thermal contact with battery cells on at least one surface of a stack of battery cells and the battery cells, and includes a metal plating layer on the surface of a substrate made of a synthetic resin.

Abstract: A battery module includes: a battery cell stack in which a plurality of battery cells are stacked; and a bus bar to which electrode leads provided at the respective plurality of battery cells are coupled, wherein the bus bar presses the electrode leads so that the bus bar and the electrode leads are electrically connected.

Abstract: A battery module has a cell stack including a first battery cell and a second battery cell, which respectively have electrode leads and are stacked to face each other. A connector configured to connect the electrode leads of the pair of battery cells. A support frame provided to at least one side of the cell stack and having a pair of lead slits at which the electrode leads are drawn and an injection slit formed at a location corresponding to the connector to give a passage through which a venting gas discharged at venting of the battery cell is injected.

Abstract: A battery pack, which includes a pack case forming an appearance of the battery pack, at least one battery module provided in the pack case and having at least one battery cell therein, and a coolant circulator connected to the at least one battery module to circulate a coolant into the at least one battery module, at least a portion of the coolant circulator pressing the at least one battery module in the pack case, is provided.

Abstract: A battery cell frame according to an embodiment of the present disclosure includes a bus bar for electrically coupling to an electrode lead of a battery cell, a support member coupled to the bus bar and configured to come into contact with the battery cell to support the battery cell, and a variable length part formed in the support member. The variable length part is configured to change in length to fit a size of the battery cell.

Abstract: Disclosed is a battery module, which includes: a cell holder having a plurality of battery cell insertion portions and at least one fire extinguishing cell insertion portion; a plurality of battery cells respectively located in the battery cell insertion portions; and at least one fire extinguishing cell located in the fire extinguishing cell insertion portion.

Abstract: Disclosed is a battery module, which includes: at least one battery cell having electrode leads protruding at first and second opposite sides thereof; and at least one cell case each covering the first and second sides and an upper side of a corresponding one of the at least one battery cell and each including a pair of bus bars each having one end connected to a corresponding one of the electrode leads and another end exposed at an upper side of the cell case.

Abstract: A battery pack includes a plurality of battery modules, each battery module having a plurality of stacked battery cells and a casing member surrounding the plurality of battery cells, and a connection member connecting the plurality of battery modules to each other.

Abstract: Disclosed is a battery module, which includes: a cell assembly composed of pouch cells; a bottom plate configured to support the cell assembly and having slits formed therein at predetermined intervals so that edge portions of the pouch cells are put therein; and a side plate provided perpendicular to a plane of the bottom plate and disposed adjacent to an outermost side of the cell assembly, wherein as the edge portions of the pouch cells are put into the slits of the bottom plate, empty spaces are respectively formed between adjacent edge portions, and wherein the empty spaces are used as a cooling channel.

Abstract: A jig assembly for laser welding includes a jig body having a first penetration portion through which laser light for welding is capable of passing; a contact member connected to the jig body to contact a welding target, the contact member having a second penetration portion through which the laser light passing through the first penetration portion is capable of passing toward the welding target; a tilting unit having a hinge structure to connect the jig body and the contact member to each other; and an elastic member interposed between the jig body and the contact member to apply an elastic force to provide close contact between the contact member and the welding target.

Abstract: Disclosed is a battery pack, which includes a plurality of unit battery modules, each having a plurality of battery cells accommodated in an inner space thereof, the plurality of unit battery modules being structurally connected successively in one direction; and a pack case configured to cover the plurality of unit battery modules, wherein the unit battery module has side plates forming both side surfaces thereof, and wherein the side plates of any one unit battery module and another unit battery module adjacent thereto are engaged with each other to form a single common wall.

Abstract: The present disclosure relates to a pouch casing material including two cups forming an electrode assembly receiving portion and formed integrally in one pouch film. The pouch casing material includes an upper pouch member and a lower pouch member formed integrally with each other, and the connection between the upper pouch member and the lower pouch member does not protrude toward the outside. Thus, the total length of a battery is reduced.

Abstract: Disclosed is a battery module, which includes: a plurality of battery cells stacked on one another; a cell housing configured to accommodate the plurality of battery cells; and a cover bus bar configured to cover an entire upper side of the cell housing and including electrode connection layers. The cover bus bar may be electrically connected to electrodes of the plurality of battery cells through the electrode connection layers. The electrode connection layers may be arranged in a layered structure.

Abstract: A battery module improves electric connection between an electrode lead of a secondary battery and a bus bar. In detail, the battery module includes a plurality of pouch-type secondary batteries; and a bus bar contacted to at least two of first electrode leads and second electrode leads of the secondary batteries, wherein the bus bar includes at least two metal plates contacted and connected to at least two of the first electrode leads and the second electrode leads of at least two secondary batteries; and a main frame coupled to the metal plates, wherein at least one of the metal plates has a different kind of metal material from a material of the main frame.

Abstract: Disclosed is a battery pack. The battery pack includes: a plurality of battery modules each having a plurality of battery cells therein; and a guide member coupled to each of the battery modules, the guide member being configured to guide movement of the battery modules when the plurality of battery modules are assembled adjacent to one another.

Abstract: A battery pack including a plurality of battery modules; a tray including an interior space where the plurality of battery modules are positioned; a plurality of I-type beam frames traversing an upper surface of the tray to partition spaces where the plurality of battery modules are positioned; and a plurality of heatsinks disposed between the battery modules and the I-type beam frames and mounted to recessed portions formed at both side of a column that forms a height of the I-type beam frames to absorb heat from the battery modules.