Abstract: The present disclosure discloses a battery pack that realizes miniaturization and weight reduction by minimizing the number of components of the structure, and that is suitable for pursuing dispersion of external force and structural rigidity using the shape of the structure. The battery pack according to the present disclosure is characterized to include a lower case including both inclined side walls and fixating members facing each other at the both side walls, a battery cartridge disposed between the fixating members in the lower case, and an upper case covering the lower case and the battery cartridge, wherein the battery cartridge contacts the both side walls and the fixating members in the lower case.

Abstract: Disclosed herein is a battery module including battery cells, electrode terminals of which are electrically connected to each other via a connecting member, wherein each of the battery cells is configured to have a structure in which an electrode assembly is mounted in a battery case made of a laminate sheet including a metal layer and a resin layer, and plate-shaped electrode terminals protrude from the battery case, the electrode terminals include a first electrode terminal and a second electrode terminal made of dissimilar metals, the connecting member includes a main connecting part, to which the first electrode terminal is welded, the main connecting part including the metal of the first electrode terminal, and a buried connecting part, to which the second electrode terminal is welded, the buried connecting part including the metal of the second electrode terminal, the buried connecting part is buried in the main connecting part in a state in which the buried connecting part is exposed at one surface of

Abstract: Provided is a bus bar structure which may be suitable for reducing an occupied area of a printed circuit board (PCB) by removing a fuse from the PCB in an interconnect board (ICB) assembly of a battery pack. According to the present disclosure, the bus bar structure may include: bus bars which face each other and are arranged below the PCB in the ICB assembly of the battery pack; and a fuse case between the bus bars, wherein the fuse case includes a fuse wire therein and is configured to bring the fuse wire into contact with the bus bars via at least one end thereof.

Abstract: The present disclosure relates to a battery module suitable for minimizing increase in overall volume due to increased capacity and simplifying the connection structure of the battery cells, by surrounding battery cells with a battery receiving unit and a battery cover as substitutes for cartridges.

Abstract: Provided is a battery module having improved sealing properties of a cooling duct. The battery module includes a battery stack, in which an inlet of an air flow path is opened at one side and an outlet of the air flow path is opened at another side, and a plurality of cooling ducts combined to two side portions of the battery stack to respectively communicate with the inlet of the air flow path and the outlet of the air flow path. At least one of the plurality of cooling ducts includes a plug accommodating part defining a through hole, and a harness accommodating plug air-tightly inserted into the through hole and having a plurality of wire accommodating holes. The harness accommodating plug passes a wire of the internal harness or a wire of the external harness through the wire accommodating hole. The internal harness and the external harness are electrically combined around the harness accommodating plug.

Abstract: Provided is a battery module suitable for cooling battery cells between battery cartridges within a short period of time by including cooling ducts at side portions of the battery cartridges to restrict inflow of air from the cooling ducts to air paths of the battery cartridges. The battery module includes: a battery stack including battery cartridges having air induction holes protruding from grooves at side surfaces of the battery cartridges and air paths communicating with the air induction holes, at least one battery cell alternately stacked with the battery cartridges; a sealing member including an outer sealing frame and sealing ribs located in the grooves of the battery stack, and middle sealing frames located between the air induction holes; and a cooling duct including a groove portion covering the grooves and accommodating the outer sealing frame.

Abstract: Disclosed are an electrode lead connecting structure capable of simplifying an assembly process of busbars by integrating sensing and electrode busbars, and of minimizing worker's mistakes during the assembly process by almost horizontally arranging busbars on a printed circuit board for each level, a battery module including the electrode lead connecting structure, and a battery pack including the battery module. An electrode lead connecting structure according to the present disclosure includes a printed circuit board, first and second electrode-integrated sensing busbars provided at a lowest level of one side edge of the printed circuit board and at a highest level of an opposite side edge of the printed circuit board, respectively, a first sensing busbar group located on the first L-shaped end strip busbar at the one side edge, and a second sensing busbar group located under the second L-shaped end strip busbar at the opposite side edge.

Abstract: The present disclosure relates to a battery pack having improved assemblability, processability, and durability, and configured to stably maintain a stack of cartridges. According to an aspect of the present disclosure, the battery pack includes: vertically arranged secondary cells each including an electrode assembly, an electrolyte, and a pouch-type case; vertically stacked cartridges accommodating the secondary cells in inner spaces thereof and including coupling holes; a lower end plate including a plate-shaped metallic material and placed on a lower portion of a stack of the secondary cells and the cartridges; a first fastening member fixed to the lower end plate; and a second fastening member having an elongated shape so as to stand on the lower end plate in a direction perpendicular to the lower end plate, a lower end portion of the second fastening member coupled to the first fastening member, the second fastening member being inserted through coupling holes of the cartridges.

Abstract: The present disclosure discloses a battery pack suitable for improving cooling efficiency of a cooling duct for battery cells in a battery module by reducing a sealing area between a lower case and an upper case configured to fully surround the battery module. The battery pack according to the present disclosure includes a battery module including battery cells sequentially stacked and a cooling duct located on side of the battery cells; a lower case configured to load the battery module and the cooling duct therein; and an upper case coupled to the lower case so as to cover the battery module and the cooling duct, the upper case having a vent structure on the cooling duct. The vent structure has, on the cooling duct, an inner air passage unit opened at a sidewall of the upper case, and an outer air passage unit inserted into the inner air passage unit.

Abstract: The present disclosure relates to a battery pack having improved assemblability, processability, and productivity, and configured to reduce manufacturing costs and enhance the scalability and durability of a pack case. The battery pack includes: a cell assembly including a plurality of secondary cells and a plurality of cartridges, the cartridges being configured to be stacked on one another and to accommodate the secondary cells while surrounding outer circumferential portions of the secondary cells from outsides of the secondary cells; a lower housing having an empty inner space to accommodate the cell assembly in the inner space, the lower housing being opened on an upper side thereof; a lower end plate including a plate-shaped metallic material and placed in surface contact with a lower surface of the lower housing; and a lower cover placed on a lower portion of the lower end plate to cover the lower end plate, the lower cover being fixedly coupled to the lower housing.

Abstract: The present disclosure discloses a battery pack suitable for preventing simultaneous separation of both ends of a handle unit from an upper case during transportation of a lower case and the upper case that are laminated sequentially. The battery pack according to the present disclosure includes the lower case and the upper case stacked sequentially to encase a battery module, wherein the upper case includes a housing and a handle unit relatively rotated with respect to the housing to be seated on the housing, and the handle unit has shaft hooks that are penetrated by the rotation supporting shafts of the housing and that are each rotary-coupled to each of the rotation supporting shafts in different angles.

Abstract: The present disclosure discloses a pack case suitable for preventing vibration or deviation of a battery module on a case during an assembly operation, and a battery pack including the same. The pack case according to the present disclosure includes an align unit and a bus bar disposed at an edge on an inner circumferential surface, and a main case having a connection terminal contacting the bus bar on an outer circumferential surface, and the align unit and the bus bar contact a battery module at a periphery of the battery module seated on the inner circumferential surface of the main case.

Abstract: Provided are a secondary battery, a battery module, and a battery pack, which have improved safety. Particularly, since a bulletproof material is disposed on the inside and/or the outside of an exterior part, even when a conductive needle-shaped member penetrates a secondary battery, heating, burning, discharge of evaporated electrolyte, and electrical contact between the needle-shaped member and an electrode can be prevented, thereby improving safety of the secondary battery, the battery module, and the battery pack.

Abstract: Disclosed are a clamping device and a battery module comprising the same, the clamping device being suitable for reducing the number of screw coupling portions of long bolts at a lower plate, a battery stack, and an upper plate, and for securing, in a balanced manner, the battery stack, the lower plate and the upper plate by means of the long bolts. The clamping device according to the present invention comprises: a support; and pressing parts respectively protruded from one end and the other end of the support, wherein the support and the pressing parts define a bent part along the central portion of the outer circumference while forming a band shape, and the pressing parts include locking holes which intersect with the bent portion.

Abstract: Disclosed herein is a battery module including battery cells, electrode terminals of which are electrically connected to each other via a connecting member, wherein each of the battery cells is configured to have a structure in which an electrode assembly is mounted in a battery case made of a laminate sheet including a metal layer and a resin layer, and plate-shaped electrode terminals protrude from the battery case, the electrode terminals include a first electrode terminal and a second electrode terminal made of dissimilar metals, the connecting member includes a main connecting part, to which the first electrode terminal is welded, the main connecting part including the metal of the first electrode terminal, and a buried connecting part, to which the second electrode terminal is welded, the buried connecting part including the metal of the second electrode terminal, the buried connecting part is buried in the main connecting part in a state in which the buried connecting part is exposed at one surface of

Abstract: Disclosed is a battery pack including a battery module array having battery modules which are arranged in a lateral direction in two or more rows, each of the battery modules configured with battery cells or unit modules, each of which has two or more battery cells mounted therein, are stacked in a state in which the battery cells or the unit modules are erected vertically, a base plate on which the battery modules are stacked in a vertically erected state, a pair of main members provided at the front and rear of the battery module array, opposite ends of each of the main members being fastened to an external device, a pair of end plates disposed in contact with the front and rear of the battery module array such that the lower end of each of the end plates is fixed to the base plate, and supporting bars.

Abstract: Disclosed is a battery pack including a battery module array having battery modules which are arranged in a lateral direction in two or more rows, each of the battery modules configured with battery cells or unit modules, each of which has two or more battery cells mounted therein, are stacked in a state in which the battery cells or the unit modules are erected vertically, a base plate on which the battery modules are stacked in a vertically erected state, a pair of main members provided at the front and rear of the battery module array, opposite ends of each of the main members being fastened to an external device, a pair of end plates disposed in contact with the front and rear of the battery module array such that the lower end of each of the end plates is fixed to the base plate, and supporting bars.

Abstract: Disclosed is a battery pack including a battery module array having battery modules which are arranged in a lateral direction in two or more rows, each of the battery modules configured with battery cells or unit modules, each of which has two or more battery cells mounted therein, are stacked in a state in which the battery cells or the unit modules are erected vertically, a base plate on which the battery modules are stacked in a vertically erected state, a pair of main members provided at the front and rear of the battery module array, opposite ends of each of the main members being fastened to an external device, a pair of end plates disposed in contact with the front and rear of the battery module array such that the lower end of each of the end plates is fixed to the base plate, and supporting bars.

Abstract: Disclosed is a battery pack including a battery module array having battery modules which are arranged in a lateral direction in two or more rows, each of the battery modules configured with battery cells or unit modules, each of which has two or more battery cells mounted therein, are stacked in a state in which the battery cells or the unit modules are erected vertically, a base plate on which the battery modules are stacked in a vertically erected state, a pair of main members provided at the front and rear of the battery module array, opposite ends of each of the main members being fastened to an external device, a pair of end plates disposed in contact with the front and rear of the battery module array such that the lower end of each of the end plates is fixed to the base plate, and supporting bars.

Abstract: Provided are a secondary battery, a battery module, and a battery pack, which have improved safety. Particularly, since a bulletproof material is disposed on the inside and/or the outside of an exterior part, even when a conductive needle-shaped member penetrates a secondary battery, heating, burning, discharge of evaporated electrolyte, and electrical contact between the needle-shaped member and an electrode can be prevented, thereby improving safety of the secondary battery, the battery module, and the battery pack.