Abstract: The present disclosure relates to a battery module. The battery module according to an embodiment of the present disclosure may include a plurality of cell assemblies, each including a plurality of battery cells connected in parallel with each other, and a firewall disposed between two adjacent cell assemblies among the plurality of cell assemblies.

Abstract: A battery module comprises a battery sub-module including one or more battery cells, and a barrier disposed to face one side surface of the battery sub-module, in which the barrier includes a rigid member supporting the battery sub-module, and a heat absorbing member accommodated in the rigid member to absorb heat generated by the one or more battery cells.

Abstract: A battery fire detection device according to an embodiment includes: a first sensor configured to detect whether a gas vent of a battery cell is opened; a second sensor configured to detect a temperature of the battery cell; and a controller configured to determine whether there is a risk of fire or whether a fire occurs in the battery cell based on detection results of the first sensor and the second sensor.

Abstract: The present disclosure provides a thermal barrier and a battery module, wherein the thermal barrier comprises a heat-absorbing layer comprising a hydrogel, wherein the hydrogel comprises an absorbent polymer and water retained in the absorbent polymer, and the hydrogel comprises 3 to 10 parts by weight absorbent polymer based on 100 parts by weight of water.

Abstract: A battery rack includes: a housing; a module unit provided in the housing, including a plurality of battery cells, and having at least one vent hole; and a cooling unit provided to face the vent hole in the housing, and including a cooling line in which a coolant is provided, wherein the cooling line is provided so that at least a portion of an outer periphery thereof is melted by heat generated from the module unit to supply the coolant toward the vent hole.

Abstract: A battery module includes a housing; a first battery cell and a second battery cell accommodated inside the housing; a first conductive member electrically connecting the first battery cell and the second battery cell, partially embedded in the housing to be fixed to the housing, and not exposed to the outside of the housing, and a second conductive member electrically connected to the first conductive member and partially exposed to the outside of the housing.

Abstract: A battery rack includes: a housing; a module unit provided in the housing, including a plurality of battery cells, and having at least one vent hole; and a cooling unit provided to face the vent hole in the housing, and including a cooling line in which a coolant is provided, wherein the cooling line is provided so that at least a portion of an outer periphery thereof is melted by heat generated from the module unit to supply the coolant toward the vent hole.

Abstract: A battery module includes a battery sub-module including a cell support member, at least one battery cell accommodated in the cell support member, and a case provided to partially surround the at least one battery cell, and a first barrier disposed on a first side of the battery sub-module, wherein the at least one battery cell is enclosed and sealed by the cell support member and the case, and the first barrier includes a first protrusion configured to press a part of the case inwardly of the battery sub-module.

Abstract: The present disclosure relates to a press bonding apparatus for an electrode foil of an all-solid-state secondary battery including an asymmetric rolling press element that may precisely adjust the supply speed and rolling speed while preventing damage to metal foils, thereby improving the uniformity and coating flatness of the electrode foil.

Abstract: A battery module includes a cell support unit accommodating at least one or more secondary battery cells, a body frame member on which a plurality of the cell support units are installed, and a cover member disposed between adjacent cell support units. The cover member includes a fixed plate portion fixed between the adjacent cell support units, and a flip portion connected to the fixed plate portion and disposed between electrode tabs of the secondary battery cells adjacent to each other to separate a space between the electrode tabs externally, the flip portion being pushed by internal gas or flame of the secondary battery cells discharged due to rupturing of the secondary battery cells, to be position-moved so that the space between the electrode tabs communicate externally.

Abstract: A battery module is proposed. The battery module includes a plurality of battery sub-modules, and a front cover part configured to cover an outermost stacking surface of the plurality of stacked battery sub-modules. The front cover part includes a front plate including a contact terminal electrically connected to an outside, a bus bar electrically connecting the plurality of battery sub-modules to each other, and a disconnection induction bus bar coupled to an inside end of the contact terminal to press and contact the bus bar, and a switching slider configured to slide between the bus bar and the disconnection induction bus bar.

Abstract: An energy storage system of disclosed technology include: a plurality of battery racks, each of the plurality of battery racks structured to support a plurality of battery cells; a management controller configured to be in communication with and to control the battery cells in the plurality of battery racks; and one or more connection lines configured to connect the management controller to the plurality of battery racks to form a network.

Abstract: A battery sub-packing unit includes a plurality of secondary battery cells, a cell support member including a seating portion for accommodating the plurality of secondary battery cells, and a venting inducing portion connecting the seating portion to an external area, and a case member provided to surround the secondary battery cell accommodated in the seating portion and to seal around the secondary battery cell.

Abstract: A battery sub-packing unit includes a plurality of secondary battery cells, a cell support member including a seating portion for accommodating the plurality of secondary battery cells, and a venting inducing portion connecting the seating portion to an external area, and a case member provided to surround the secondary battery cell accommodated in the seating portion and to seal around the secondary battery cell.

Abstract: An energy storage system includes a battery module including a plurality of secondary battery cells and an electrode tab disposed on one or both sides; and a housing accommodating a module stack in which the plurality of battery modules are stacked, wherein the housing includes a first cover disposed to oppose at least one side surface of the module stack on which the electrode tab is disposed, and a second cover disposed to oppose at least one of the side surfaces of the module stack on which the electrode tab is not disposed, and wherein a flame passage is formed between the first cover and the module stack, and a cooling passage is formed between the second cover and the module stack.

Abstract: An energy storage system includes a battery module including a plurality of secondary battery cells and an electrode tab disposed on one or both sides; and a housing accommodating a module stack in which the plurality of battery modules are stacked, wherein the housing includes a first cover disposed to oppose at least one side surface of the module stack on which the electrode tab is disposed, and a second cover disposed to oppose at least one of the side surfaces of the module stack on which the electrode tab is not disposed, and wherein a flame passage is formed between the first cover and the module stack, and a cooling passage is formed between the second cover and the module stack.

Abstract: A terminal unit and a battery protection unit including the terminal unit are disclosed. In an embodiment of the disclosed technology, a terminal unit may include a terminal housing including an accommodation space, a connection duct connected to a rear face of the terminal housing and structured to communicate with the accommodation space, and a door connected to the terminal housing. The door includes a door body including an end coupled to a hinge of the terminal housing, and a door coupling part positioned at another end of the door body and detachably coupled to the terminal housing. The door body includes a door groove including a concave surface that faces the connection duct in a state in which the door coupling part is coupled to the terminal housing.

Abstract: A battery fire detection device according to an embodiment includes: a first sensor configured to detect whether a gas vent of a battery cell is opened; a second sensor configured to detect a temperature of the battery cell; and a controller configured to determine whether there is a risk of fire or whether a fire occurs in the battery cell based on detection results of the first sensor and the second sensor.

Abstract: A battery sub-packing unit includes a plurality of secondary battery cells, a cell support member including a seating portion for accommodating the plurality of secondary battery cells, and a venting inducing portion connecting the seating portion to an external area, and a case member provided to surround the secondary battery cell accommodated in the seating portion and to seal around the secondary battery cell.

Abstract: A battery fire detection device according to an embodiment includes: a first sensor configured to detect whether a gas vent of a battery cell is opened; a second sensor configured to detect a temperature of the battery cell; and a controller configured to determine whether there is a risk of fire or whether a fire occurs in the battery cell based on detection results of the first sensor and the second sensor.