Abstract: A battery pack including, in one example, a battery block including a cell array including a plurality of prismatic cells arranged in a row, a pair of side plates disposed on each of both sides of the cell array, and a pair of end plates disposed on each of front and rear surfaces of the cell array, wherein both ends of the end plates in the width direction are fixed to side brackets provided at both ends of the side plates in the longitudinal direction of the side plates, so that the cell array is constrained as a single block; and a pack case in which a plurality of the battery blocks are mounted, wherein the end plate includes an end bracket that is fixed to a mounting part provided in the pack case.

Abstract: An endothermic pouch assembly includes an endothermic pouch with liquid-impregnated absorbent material sealed inside, and a pouch cartridge including a pair of rim frames that bind a heat-fusion sealing portion formed along the rim of the endothermic pouch at both sides.

Abstract: A battery pack includes a plurality of battery modules, each having a plurality of battery cells and a module housing for accommodating the plurality of battery cells; an insulator interposed between two battery modules facing each other among the plurality of battery modules; and an anti-compression member made of a rigid material and disposed such that both ends thereof are in contact with outer surfaces of the two battery modules facing each other through the insulator.

Abstract: A battery pack includes a pack case, a plurality of batteries accommodated in the pack case, a first heat absorber disposed between the plurality of batteries, and a second heat absorber disposed on each of two side surfaces of each of the plurality of batteries. The first heat absorber and the second heat absorber each include an absorbent material impregnated with a liquid vaporized by heat generated from the battery, and an exterior material in which the absorbent material in a liquid-absorbed state is accommodated.

Abstract: A prismatic secondary battery includes a case; at least one or more battery cells accommodated within the case; and at least one or more heat-absorbing pouches in contact with the battery cells. Here, the heat-absorbing pouches include: an absorbent material impregnated with a liquid that vaporizes by absorbing the heat generated by the battery cells; and a pouch that seals and accommodates the absorbent material impregnated with the liquid.

Abstract: A venting device includes a fixed member provided with a through-hollow body, and provided with a first stepped part on an inner circumferential surface of an upper portion of the body; and a movable member inserted into and coupled to the inside of the fixed member, and provided with a plurality of venting holes; and a second stepped part on a lower outer circumferential surface facing the first stepped part; and a gap-maintaining member exerting a repulsive force between the fixed member and the movable member. The movable member is movable relative to the fixed member between a first position maintained by the repulsive force exerted by the gap-maintaining member, and a second position when an external force exceeding the repulsive force is applied. The number of venting holes in the movable member connecting with the outside in the first and second positions is different.

Abstract: A prismatic secondary battery includes a case made of a metal, at least one electrode assembly accommodated in the case, at least one heat absorbing pouch in contact with the electrode assembly, and an electrolyte filling the case, wherein the heat absorbing pouch includes an absorbent material impregnated with a liquid vaporized by absorbing heat generated from the electrode assembly, and a pouch configured to seal and accommodate the absorbent material impregnated with the liquid.

Abstract: A battery pack includes, a module stack in which a plurality of battery modules are stacked; a pack housing having a lower housing for supporting the module stack at a lower side thereof and an upper housing coupled to the lower housing from an upper side of the module stack; a plurality of weld nuts fixed to a lower surface of the lower housing; and a plurality of fastening bolts fastened to the weld nuts through the pack housing and the module stack.

Abstract: A battery module may effectively cool the plurality of battery cells by using the heat sink. The battery module includes an outer case having an accommodation space therein; an inner case having a storage space therein, the inner case being in the accommodation space; a plurality of battery cells in the storage space; a heat sink in the accommodation space with the heat sink being between the inner case and one side wall of the outer case and configured to cool the battery cells; and a pressing part in the accommodation space and having at least a portion between the other side wall of the outer case, which is opposite to the one side wall, and the inner case. The pressing part is configured to press the inner case toward the heat sink.

Abstract: A battery pack includes at least one battery module; a pack case accommodating the battery module; and an anti-fire venting unit positioned on a gas venting path configured to guide gas generated from the battery module to flow out of the pack case, wherein the anti-fire venting unit includes a temperature reducing tunnel made of metal having pores; and a mesh configured to cover at least one of an entrance or an exit of the temperature reducing tunnel.

Abstract: There are provided a battery module configured to delay the occurrence of a fire in the event of thermal runaway of a battery cell in the battery module and a battery pack comprising the battery module. The battery module according to the present disclosure includes a module case, at least one battery cell disposed in the module case, at least two coolant jet spray nozzles to spray a jet of coolant into the module case, and coolant tanks connected to the coolant jet spray nozzles, wherein low melting point metal valves are mounted in inlets of the coolant jet spray nozzles respectively, and have different melting points for each nozzle.

Abstract: A bus bar assembly includes a frame, a plurality of sensing bus bars integrally provided on the frame, an inter bus bar configured to connect any one pair of sensing bus bars, among the plurality of sensing bus bars, to each other, and a terminal bus bar configured to connect any one of the plurality of sensing bus bars to an external terminal.

Abstract: Disclosed is a battery pack, which includes a module stack in which a plurality of battery modules are stacked; a pack housing having a lower housing configured to support the module stack at a lower side thereof and an upper housing coupled to the lower housing from an upper side of the module stack; and a plurality of displacement plates respectively coupled to inner sides of the lower housing and the upper housing to elastically press the module stack.

Abstract: A battery module including: a plurality of battery cell assemblies, where each battery cell assembly includes at least one battery cell; a heat sink located under the plurality of battery cell assemblies; and a coil resistor unit connected to at least one of the plurality of battery cell assemblies.

Abstract: A battery pack includes: a plurality of battery modules including a plurality of battery cells and a housing accommodating the plurality of battery cells; a case accommodating the plurality of battery modules; a plurality of insulating materials arranged between two battery modules facing each other among the plurality of battery modules; and a thermally conductive sheet having one side positioned between the insulating materials and the other side in contact with the case.

Abstract: A battery module includes a cell stack including a plurality of battery cells that are electrically connected to one another; a module housing accommodating the cell stack therein and including a pair of module holes formed in one surface; and a pair of venting hole terminals each including terminal hole communicating with the module hole, and electrically connected to the cell stack.

Abstract: Disclosed is a sub pack, which includes a battery module assembly having a plurality of unit modules; and a BMS assembly coupled to one longitudinal side of the battery module assembly, the battery module assembly includes a first sub module having a plurality of unit modules connected along a longitudinal direction of the first sub module; and a second sub module having a plurality of unit modules and connected to the first sub module along a width direction of the unit module, and the BMS assembly includes a first BMS for controlling charging and discharging of the first sub module; a second BMS for controlling charging and discharging of the second sub module; and a BMS frame fastened to one longitudinal side of the battery module assembly and surrounding peripheries of the first BMS and the second BMS.

Abstract: Disclosed herein is a sub pack. The sub pack may include a battery module assembly having a plurality of unit modules and a BMS assembly. The battery module assembly may include a side beam. The BMS assembly may be electrically connected to the battery module assembly by wire bonding and include a plurality of sensing terminals at an upper portion thereof. The plurality of sensing terminals may be wire-bonded to the battery module assembly through a connecting wire.

Abstract: A bus bar assembly includes a frame, a plurality of sensing bus bars integrally provided on the frame, an inter bus bar configured to connect any one pair of sensing bus bars, among the plurality of sensing bus bars, to each other and a terminal bus bar configured to connect any one of the plurality of sensing bus bars to an external terminal.

Abstract: A secondary battery cartridge includes: a battery storing box including a battery accommodation space in which a secondary battery is stored, and a flow channel partitioned from the battery accommodation space and having a hollow structure, and including, at opposite side parts thereof, respectively, a slot communicating with the battery accommodation space, and a venting hole communicating with the flow channel; a sensing unit including an electrically conductive material, mounted on at least one side part of the battery storing box, and electrically connected to an electrode lead of the secondary battery, the electrode lead extending to an inside and an outside of the battery storing box through the slot; and a cover unit provided in a box form having one open side, and mounted on the opposite side parts of the battery storing box in order to shield the slot, the venting hole, and the sensing unit of the battery storing box, wherein a gas outlet is provided to the cover unit mounted on at least one of the o