Abstract: A battery module may include battery cells; a module case accommodating the battery cells and having a connector mounting hole on one side; a flame retardant cover made of fire-resistant and insulating material, provided to shield the connector mounting hole; and a connector having a connector housing exposed to the outside through the connector mounting hole and isolated from the inside of the module case by the flame retardant cover, and connector pins extending into the module case through the flame retardant cover.

Abstract: A battery module includes a plurality of battery cells, a module case in which the plurality of battery cells are accommodated, the module case including a gas venting hole on at least one side, and a gas venting panel including a gas discharge path communicating with the gas venting hole and configured to guide a flow of gas to an outside along a pre-determined path, the gas venting panel being coupled to an outer side of the module case. The gas venting panel includes a passage width adjusting unit configured to variably adjust a width of the gas discharge path according to pressure of gas.

Abstract: A lithium secondary battery includes a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material and a nonaqueous electrolyte solution, wherein the positive electrode active material has a lithium composite transition metal oxide having a nickel content of 60 mol % or more in a total transition metal in a form of secondary particles formed by agglomeration of primary particles; and a boron containing coating layer on a surface of all or some of the primary particles, the nonaqueous electrolyte solution comprises a boron dissolved in the nonaqueous electrolyte solution, and a ratio B/A of a boron content (B) in the nonaqueous electrolyte solution to a boron content (A) in the positive electrode active material is 0.001 to 5. The lithium secondary battery according to the present disclosure has improved life characteristics.

Abstract: The battery module includes a battery cell stack including a plurality of stacked battery cells; a case in which the battery cell stack is received; and a connector coupled to the case and including a flame propagation prevention member. The battery module may be used in a battery pack or a vehicle.

Abstract: A sidestream smoke removing device includes a housing having a smoking space defined therein, an article inserting part positioned on one end of the housing and having an open area through which a smoking article is inserted into the smoking space, and a sidestream smoke processing part positioned at a distance from an upstream end of the smoking article inserted into the smoking space and configured to process sidestream smoke produced from the smoking article. The sidestream smoke processing part includes a filter including a filter included of pressed activated carbon having a plurality of holes allowing the sidestream smoke to pass therethrough and a ventilation fan configured to allow the sidestream smoke to be discharged through the filter. The sidestream smoke removing device obtains superior functionality in terms of a sidestream smoke removal rate and deodorizing performance while maintaining a suitable flow rate therein.

Abstract: A sidestream smoke removing device includes a housing having a smoking space defined therein, an article inserting part positioned on one end of the housing and having an open area through which a smoking article is inserted into the smoking space, and a sidestream smoke processing part positioned at a distance from an upstream end of the smoking article inserted into the smoking space and configured to process sidestream smoke produced from the smoking article. The sidestream smoke processing part includes a filter including a pleated HEPA filter capable of filtering the sidestream smoke and a ventilation fan configured to allow the sidestream smoke to be discharged through the filter. The sidestream smoke removing device using a pleated HEPA filter obtains superior functionality in terms of the removal rate of sidestream smoke and durability while obtaining a suitable flow rate for smoking in the sidestream smoke removing device.

Abstract: The present disclosure provides a compound of Chemical Formula (1) or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising the same: wherein X, Z, R1 and R2 are as defined in the specification. The compound of Chemical Formula (1) or pharmaceutically acceptable salt thereof acts as a positive allosteric modulator of metabotropic glutamate receptor subtype 5 (mGluR5), thereby being useful in the prevention or treatment of disorder mediated by glutamate dysfunction and mGluR5.

Abstract: A battery module has improved assemblability and safety. A battery module includes at least one battery cell, and a module frame including a plurality of unit frames that are inserted and coupled to each other, an inner space in which the cell assembly is accommodated, and a venting channel provided in an overlapping portion formed through the insertion.

Abstract: A battery module has an improved structure to appropriately control the discharge of gas or flame generated inside the battery module and effectively block the introduction of external foreign substances. The battery module includes a cell assembly having at least one battery cell; a module case configured to accommodate the cell assembly in an inner space thereof and having a venting hole formed therein to discharge a venting gas generated from the cell assembly; a venting unit located at an outer side of the module case and configured so that the venting gas discharged from the venting hole is introduced therein and discharged to the outside; and a filter unit at least partially located inside the venting unit and configured to filter substances introduced into the venting unit.

Abstract: A battery module has an improved structure to appropriately manage heat or gas discharged from the battery module. A battery module includes a cell assembly including one or more battery cells, a module case having an inner space in which the cell assembly is accommodated, the module case including a venting hole through which venting gas generated from the cell assembly is discharged, a vent provided outside the module case, and configured to allow venting gas discharged from the venting hole to be introduced and discharged to an outside, and a cooler including at least a portion provided in a path through which the venting gas flows, the cooler being configured to absorb heat and release the heat to an outside.

Abstract: A battery module has improved assemblability and safety. A battery module includes at least one battery cell, and a module frame including a plurality of unit frames that are inserted and coupled to each other, an inner space in which the cell assembly is accommodated, and a venting channel provided in an overlapping portion formed through the insertion.

Abstract: A battery module includes a plurality of pouch-type battery cells respectively having an accommodation portion and a sealing portion and configured to be stacked on each other; a module case configured to accommodate the plurality of pouch-type battery cells in an inner space thereof; and a barrier member interposed between the accommodation portions of neighboring pouch-type battery cells and configured to have at least one side protrusively extending from a portion between the accommodation portions of the neighboring pouch-type battery cells to a portion between the sealing portions of the neighboring pouch-type battery cells.

Abstract: A battery module improves safety by appropriately controlling venting when a thermal event occurs inside the battery module. The battery module includes a cell assembly having at least one battery cell; a module case configured to accommodate the cell assembly in an inner space thereof and having a venting hole formed therein to discharge a venting gas generated from the cell assembly; and a venting unit provided at an outer side of the module case and having a venting channel so that the venting gas discharged from the venting hole is introduced therein and discharged to the outside, the venting unit having a protrusion configured to protrude toward an outer surface of the module case from the inside of the venting channel.

Abstract: A battery module improves safety by suitably controlling venting of a gas generated inside the battery module. The battery module includes a cell assembly having at least one battery cell; a module case configured to accommodate the cell assembly in an inner space thereof and having a venting hole formed to discharge a venting gas generated from the cell assembly; and a venting unit provided to an outer side of the module case and configured to have a venting channel formed in at least one layer so that the venting gas discharged from the venting hole is introduced into the venting channel and is movable in the inner space.

Abstract: Fuel cell stacks may include a plurality of fuel cells including a membrane-electrode assembly that includes an anode electrode and a cathode electrode, gas diffusion layers respectively on opposing sides of the membrane-electrode assembly, a first separating plate having a first surface facing the anode electrode so as to be in contact with the gas diffusion layer and a second surface opposite to the first surface, and a second separating plate having a first surface facing the cathode electrode so as to be in contact with the gas diffusion layer and a second surface opposite to the first surface. At least one of the second surface of the first separating plate and the second surface of the second separating plate may include one or more protrusions protruding therefrom outwardly.

Abstract: A battery module includes a structure so that gas or flame generated inside the battery module may be discharged stably. The battery module includes a cell assembly having at least one battery cell; a module case configured to accommodate the cell assembly in an inner space thereof and have a venting hole formed therein to discharge a venting gas generated from the cell assembly; and a venting unit provided at an outer side of the module case and configured to include an outer housing and an inner housing made of different materials, the venting unit being configured such that the venting gas discharged from the venting hole is introduced therein to flow along a surface of the inner housing and is discharged to the outside.

Abstract: A battery module ensures safety when a thermal event occurs in the battery module. A battery module includes a cell assembly including one or more battery cells, a module case having an inner space in which the cell assembly is accommodated, the module case including a venting hole through which venting gas generated from the cell assembly is discharged, and a venting unit attached to an outer side of the module case, and configured to allow venting gas discharged from the venting hole to be introduced and discharged to an outside and configured to switch a flow direction of the venting gas to an opposite direction.

Abstract: The present application relates to a porous body quality inspection apparatus and a method for inspecting quality of a porous body, and according to one aspect of the present application, there is provided a porous body quality inspection apparatus comprising a contact resistance measuring part of a porous body with a gas diffusion layer, a pressurizing part for pressurizing a pressure-sensitive discoloration base material on the porous body, an image mapping part for calculating a contact area between the pressure-sensitive discoloration base material and the porous body, a transporting part for transporting the porous body and the pressure-sensitive discoloration base material, and an operation part for performing an operation of an interfacial contact resistance between the porous body and the gas diffusion layer.

Abstract: The present invention relates to a separator, and a fuel cell stack comprising the same, and according to one aspect of the present invention, there is provided a separator formed of a metallic material and having a plurality of pores, wherein some regions have a hydrophilic surface and some other regions have a hydrophobic surface.

Abstract: The present invention relates to a separator and a fuel cell stack comprising the same, and according to one aspect of the present invention, there is provided a separator comprising a plurality of channels including a bottom forming a flow space for a reaction gas to flow and a pair of sidewalls connected to the bottom, and a plurality of ribs provided so as to connect the sidewalls of two adjacent channels, wherein the sidewall of the channel is provided with a water storage part which is recessed inward and has a first inclined surface and a second inclined surface connected by a first angle.