Abstract: A battery module includes a cell assembly including a plurality of secondary batteries stacked on each other; and a module case including a lower plate, a side plate and an upper plate to form an inner space so that the cell assembly is accommodated therein, the module case including a trap unit formed in at least a part of an inner surface of the side plate to be concave outward.

Abstract: Discussed is a battery pack that can effectively suppress a fire even when high-temperature gas or sparks are generated in some battery modules. The battery pack may include at least one battery module having at least one secondary battery and configured to store and release energy, a duct provided to at least one side of the at least one battery module and configured discharge hole configured to discharge a gas generated from the at least one battery module, when the generated gas flows toward the discharge hole, and an opening/closing member located at the discharge hole of the duct and configured to open the discharge hole when an internal pressure of the duct is at or above a predetermined level and to close the discharge hole when the internal pressure of the duct is at or below the predetermined level.

Abstract: A battery module effectively suppresses a fire even when high-temperature gas or sparks are generated therein due to thermal propagation. The battery module includes a cell assembly configured such that secondary batteries having electrode leads are stacked in at least one direction; a module case configured to accommodate the cell assembly in an inner space thereof; a bus bar assembly located on at least one side of the module case and including a module bus bar made of an electrically conductive material and electrically connected to the electrode leads of the cell assembly and a bus bar housing configured so that the module bus bar is placed thereon and having a slot through which the electrode lead passes; and a blocking member located at the slot of the bus bar housing to close at least a portion of the slot by transforming a shape thereof when heat is applied thereto.

Abstract: Discussed is a battery module that may include a cell stack in which a plurality of battery cells are vertically stacked, a module housing in which the cell stack is accommodated, a bus bar frame assembly covering an opening portion on a side of the module housing in a longitudinal direction of the module housing, and a fire-proof sheet assembly between the bus bar frame assembly and the cell stack and coupled to the bus bar frame assembly.

Abstract: A battery module prevents heat transfer to an adjacent battery cell when thermal runaway occurs. The battery module includes a plurality of battery cells, each battery cell having electrode leads, a case configured to receive the plurality of battery cells, and a thermal insulation member located between the plurality of battery cells, the thermal insulation member being configured to interrupt heat transfer between adjacent ones of the battery cells. The thermal insulation member is configured to have a composite structure including an outer portion made of plastic having a lower melting point than temperature when thermal runaway occurs and a support member provided in an inner portion of the thermal insulation member, the support member being made of a heat-resistant material having a higher melting point than the temperature when the thermal runaway occurs.

Abstract: A battery module includes a pocket capable of capturing flare and spark ejected at the time of swelling, a cell stack including a plurality of battery cells stacked in a vertical direction and a protective case configured to receive the cell stack. The protective case includes a lower cover located under the cell stack, an upper cover located above the cell stack, and a pair of side covers located at sides of the cell stack. Each of the side covers is provided at the inside thereof with a structure configured to interrupt movement of flare and spark ejected at the time of swelling.

Abstract: A battery module includes a partition wall and a thermal insulation layer for thermal runaway prevention, and more particularly a battery module is configured such that a cell module assembly includes two or more cell stacks, in each of which a plurality of battery cells is stacked in a vertical direction, is received in a space portion defined in a protective case and such that one more partition walls are provided in at least one of between neighboring ones of the cell stacks and between the cell stacks and the protective case.

Abstract: A battery module includes a plurality of battery cells; a module housing configured to accommodate a cell stack including the plurality of battery cells; and a sprinkler provided through the module housing at one side of the cell stack in a stacking direction, and the sprinkler includes a coupler positioned at an outer side of the module housing and connected to a supply tube that supplies a cooling fluid; a sprinkler head positioned at an inner side of the module housing and connected to the coupler; and an insulation cover assembly having an insulation cover configured to cover the sprinkler head and an impeller assembly configured to cover an opening formed at one side end of the insulation cover in a longitudinal direction.

Abstract: A battery module includes a cell stack including a plurality of battery cells stacked in a direction, a module housing having an internal space in which the cell stack is received and an air inlet and an air outlet through which air enters and exits, a valve installation hole formed through a side wall of the module housing, a feed valve nozzle installed at the valve installation hole facing the internal space of the module housing, and a water expandable member provided in the module housing. The water expandable member expands in volume when it absorbs water during operation of the feed valve nozzle to close at least one of the air inlet, the air outlet or the valve installation hole.

Abstract: A battery module includes a battery cell, a module case configured to accommodate the battery cell and a fire extinguishing unit mounted to penetrate into the module case and connected to a fire extinguishing tank unit containing a fire extinguishing agent to directly inject the fire extinguishing agent into the module case when a thermal runaway or fire occurs at the at least one battery cell.

Abstract: A battery module includes at least one battery cell; and a module case configured to accommodate the at least one battery cell, wherein a fire extinguishing agent supply channel connected to a fire extinguishing tank containing a fire extinguishing agent to directly inject the fire extinguishing agent into the module case when a thermal runaway or fire occurs at the at least one battery cell is provided to an inside of at least one side of the module case.

Abstract: A battery module includes at least one battery cell, a module case configured to accommodate the at least one battery cell, a fire extinguisher disposed at least partially inside the module case and connected to a fire extinguishing tank containing a fire extinguishing agent to inject the fire extinguishing agent directly into the module case when a thermal runaway or fire occurs in the at least one battery cell and an insulation cover configured to cover the fire extinguisher at least partially and disposed at least partially inside the module case.

Abstract: A battery module includes battery cells; a module case configured to accommodate the battery cells and having an internal cooling channel provided at both sides of the plurality of battery cells; a venting opening provided at both side surfaces of the module case; a sheet member mounted to both side surfaces of the module case to cover the venting opening and melted over a predetermined temperature to open the venting opening; and a blocking bracket spaced apart from the sheet member by a predetermined distance and mounted to inner walls at both sides of the module case.

Abstract: A battery module includes a cell assembly having a plurality of secondary batteries and a plurality of heat dissipation plates interposed between the plurality of secondary batteries. At least a portion of a front end and a rear end of the heat dissipation plates is recessed to form an inlet portion and an outlet portion so that a coolant is introduced from the outside or discharged to the outside, and the heat dissipation plates have a coolant moving portion so that the coolant moves to a front end, an upper end, a lower end and a rear end of the secondary batteries. A bus bar assembly has a plurality of bus bars and a bus bar frame having insert holes into which the electrode leads of the secondary batteries are inserted; an end cover having a vent hole communicating with the coolant moving portion and a plurality of side plates.

Abstract: A jig set for mounting an ESS pack, which is used to mount an ESS pack to a wall or a structure corresponding to the wall, includes: a mounting unit having a partially protruding portion capable of being coupled to one surface of an ESS pack case; and a handle unit including a handlebar to be grasped by an operator, and a locking bar, which is integrally connected to the handlebar and is attachable to and detachable from the protruding portion of the mounting unit.

Abstract: A battery module includes a cell assembly having a plurality of secondary batteries and a plurality of heat dissipation plates interposed between the plurality of secondary batteries. At least a portion of a front end and a rear end of the heat dissipation plates is recessed to form an inlet portion and an outlet portion so that a coolant is introduced from the outside or discharged to the outside, and the heat dissipation plates have a coolant moving portion so that the coolant moves to a front end, an upper end, a lower end and a rear end of the secondary batteries. A bus bar assembly has a plurality of bus bars and a bus bar frame having insert holes into which the electrode leads of the secondary batteries are inserted; an end cover having a vent hole communicating with the coolant moving portion and a plurality of side plates.

Abstract: Disclosed is an energy storage system (ESS) battery pack case, which includes a case body having at least two plates assembled to each other by fitting so as to be connected to each other along a circumferential direction thereof to form a hollow therein, the case body having an open top end and an open bottom end; and an upper cover assembly configured to cover the top end of the case body and a lower cover assembly configured to cover the bottom end of the case body.

Abstract: Disclosed is a battery pack, which includes a battery module having a plurality of battery cells, a case configured to accommodate a plurality of the battery modules, and a protection cover coupled to the case to be capable of opening or closing, the protection cover being configured to protect an installation member installed at the case, wherein the protection cover is pivotally coupled to the case and is separable from the case depending on a pivoting angle of the protection cover.

Abstract: A jig set for mounting an ESS pack, which is used to mount an ESS pack to a wall or a structure corresponding to the wall, includes: a mounting unit having a partially protruding portion capable of being coupled to one surface of an ESS pack case; and a handle unit including a handlebar to be grasped by an operator, and a locking bar, which is integrally connected to the handlebar and is attachable to and detachable from the protruding portion of the mounting unit.

Abstract: Disclosed is an energy storage system (ESS) battery pack case, which includes a case body having at least two plates assembled to each other by fitting so as to be connected to each other along a circumferential direction thereof to form a hollow therein, the case body having an open top end and an open bottom end; and an upper cover assembly configured to cover the top end of the case body and a lower cover assembly configured to cover the bottom end of the case body.