Abstract: The present invention relates to a method for detecting a void in a concrete composite member covered with a steel plate using a thermal image, and a method for managing the construction of a concrete composite member covered with a steel plate by applying same. According to the present invention, since the presence of the void is determined based on the steel plate surface temperature measured using the thermal image during the construction of the concrete composite member covered with the steel plate, the void generation may be precisely expected.

Abstract: The present disclosure provides a cooling block for an aerosol generating article including a cooling agent A, a cooling agent B, and a cooling agent C in a specific combination, and an aerosol generating article including the same.

Abstract: An opening and closing device, which opens and closes a glove box includes a housing coupled to the glove box, a handle rotatably mounted on the housing, a locking unit mounted so as to be movable in directions of releasing the glove box from the dashboard of a vehicle, a link rod configured to connect the handle and the locking unit to each other and to move in a height direction of the locking unit when a user rotates the handle, and an elastic member configured to apply force to the locking unit so that the locking unit is engaged with engaged parts of the dashboard, and the locking unit is movable in a length direction of the locking unit in a state of being interlocked with the link rod so that the locking unit is released from the engaged parts of the dashboard.

Abstract: Example embodiments include a battery insulation sheet having a structure in which a first substrate, an aerogel layer, and a second substrate are laminated, wherein opposite surfaces of the aerogel layer is in contact with the first substrate or the second substrate adjacent thereto. Example embodiments also include a method of manufacturing a battery insulation sheet, and a battery module including the battery insulation sheet.

Abstract: Examples of the disclosure include a battery module including a plurality of cells, an insulation sheet between the plurality of cells, the insulation sheet having an upper surface and a lower surface disposed so as to face cells adjacent thereto, respectively, and a refractory layer formed on at least one side surface part of a border side surface between the upper surface and the lower surface of the insulation sheet, wherein the refractory layer includes an inorganic binder. Examples of the disclosure also include a method of manufacturing the battery module, and a battery pack including the battery module.

Abstract: Example embodiments include an aerogel composition for battery insulation sheets, the aerogel composition including a reinforcement material including a first fibrous support and a second fibrous support, an aerogel, a functional material including a binder, a dispersant, or a combination thereof, and a solvent, wherein the first fibrous support and the second fibrous support have different ingredients. Example embodiments also include a method of manufacturing the aerogel composition, a battery insulation sheet formed using the aerogel composition, and a method of manufacturing the battery insulation sheet.

Abstract: An aerogel composition for battery insulation sheets includes a reinforcement material including two or more fibrous supports, an aerogel, a functional material including a binder, a dispersant, or a combination thereof, and a solvent, wherein the two or more fibrous supports have different aspect ratios (AR) as represented by Formula 1: AR=L/D,??Formula 1 where in Formula 1, L indicates an average length of a fibrous support of the two or more fibrous supports and D indicates an average diameter of the two or more fibrous supports.

Abstract: Discussed is a notching apparatus and method for a secondary battery. The notching apparatus includes: a notching unit notching a portion of an electrode that is continuously supplied; a drying unit drying the electrode while the electrode discharged from the notching unit passes therethrough; and a collecting unit collecting the electrode discharged from the drying unit, wherein the drying unit includes a heating body provided with a drying space that is a passage through which the electrode passes therein, and lamp parts mounted on the heating body to irradiate infrared rays onto a surface of the electrode while the electrode moves through the drying space.

Abstract: The present invention relates an electrode notching apparatus. The electrode notching apparatus comprises: a notching unit shaping an electrode into a predetermined pattern; a heating unit drying the electrode processed by the notching unit; and a collecting unit collecting the electrode dried by the heating unit, wherein the heating unit comprises: a heating body having a drying space through which the electrode supplied by the notching unit passes; and heating members directly heating a surface of the electrode passing through the drying space to dry moisture remaining on the electrode.

Abstract: A method of manufacturing a cylindrical includes manufacturing an electrode assembly having a jelly roll structure by preparing a positive electrode plate, a negative electrode plate, and a separator, and by interposing the separator between the positive electrode plate and the negative electrode plate, and then spiral-winding the positive electrode plate, the negative electrode plate, and the separator; and drying the electrode assembly after manufacturing the electrode assembly. The drying of the electrode assembly may include a hot air circulating drying step. A drying apparatus is also provided.

Abstract: The present invention relates to an electrode heating device that dries an electrode. The electrode heating device comprises a heating body having a drying space through which the electrode passes, and a heating member that directly heats and dries a surface of the electrode that passes through the drying space to remove moisture from the electrode.

Abstract: The present invention relates to an electrode mounting unit comprising: a mounting member comprising a horizontal plate, a vertical plate disposed on a top surface of the horizontal plate, and a shaft which is fixed to the vertical plate and into which an electrode roll is fitted to be mounted; and an unwinding prevention member disposed between the electrode wound around the electrode roll and the horizontal plate to support the electrode wound around the electrode roll so as to prevent the electrode wound around the electrode roll from being unwound.

Abstract: A battery cell manufacturing apparatus for forming a sealing surplus portion includes a cradle configured to fix and mount a battery cell; one or more induction heating coils formed by winding an electrical wire at least one time at a position corresponding to an outer periphery of a pouch type case to generate an induced current in the outer periphery on which the sealing surplus portion is to be formed; a power supply configured to supply an alternating current to the induction heating coils; and at least two pressing members configured to press both sides of the outer periphery on which the sealing surplus portion is to be formed, wherein the outer periphery is induction-heated by a magnetic field generated in the induction heating coils and up to a temperature at which heat fusion is possible to form the sealing surplus portion.

Abstract: The present invention relates an electrode notching apparatus. The electrode notching apparatus comprises: a notching unit shaping an electrode into a predetermined pattern; a heating unit drying the electrode processed by the notching unit; and a collecting unit collecting the electrode dried by the heating unit, wherein the heating unit comprises: a heating body having a drying space through which the electrode supplied by the notching unit passes; and heating members directly heating a surface of the electrode passing through the drying space to dry moisture remaining on the electrode.

Abstract: Discussed is a notching apparatus and method for a secondary battery. The notching apparatus includes: a notching unit notching a portion of an electrode that is continuously supplied; a drying unit drying the electrode while the electrode discharged from the notching unit passes therethrough; and a collecting unit collecting the electrode discharged from the drying unit, wherein the drying unit includes a heating body provided with a drying space that is a passage through which the electrode passes therein, and lamp parts mounted on the heating body to irradiate infrared rays onto a surface of the electrode while the electrode moves through the drying space.

Abstract: The present invention relates to an electrode mounting unit comprising: a mounting member comprising a horizontal plate, a vertical plate disposed on a top surface of the horizontal plate, and a shaft which is fixed to the vertical plate and into which an electrode roll is fitted to be mounted; and an unwinding prevention member disposed between the electrode wound around the electrode roll and the horizontal plate to support the electrode wound around the electrode roll so as to prevent the electrode wound around the electrode roll from being unwound.

Abstract: The present invention relates to an electrode heating device that dries an electrode. The electrode heating device comprises a heating body having a drying space through which the electrode passes, and a heating member that directly heats and dries a surface of the electrode that passes through the drying space to remove moisture from the electrode.

Abstract: A battery cell manufacturing apparatus for forming a sealing surplus portion includes a cradle configured to fix and mount a battery cell; one or more induction heating coils formed by winding an electrical wire at least one time at a position corresponding to an outer periphery of a pouch type case to generate an induced current in the outer periphery on which the sealing surplus portion is to be formed; a power supply configured to supply an alternating current to the induction heating coils; and at least two pressing members configured to press both sides of the outer periphery on which the sealing surplus portion is to be formed, wherein the outer periphery is induction-heated by a magnetic field generated in the induction heating coils and up to a temperature at which heat fusion is possible to form the sealing surplus portion.

Abstract: The present invention relates to a secondary battery structure. The secondary battery structure includes: a can; an electrode assembly accommodated in the can, the electrode assembly including a cathode tab and an anode tab; a cap plate sealing an opened upper end of the can; and an upper insulator disposed between the can and the cap plate, the upper insulator having a cathode tab hole for the cathode tab, an anode tab hole for the anode tab, and an injection/impregnation hole for injecting and impregnating, wherein each of the cathode tab hole, the anode tab hole, and the injection/impregnation hole extends in a length or width direction of the upper insulator and is symmetrical with respect to at least one of a line (a) that equally divides the upper insulator in a width direction and a line (b) that equally divides the upper insulator in a length direction.

Abstract: Provided are a secondary battery case and a method for manufacturing a secondary battery. The secondary battery case includes a can accommodating an electrode assembly and a top cap sealing an upper opening of the can. The top cap includes a top plate sealing the upper opening of the can, a filling hole passing through the top plate to fill an electrolyte into the can, and a protrusion protruding from the top plate on an upper portion of the filling hole. The protrusion is press-fitted into the filling hole to seal the filling hole. According to the present invention, the protrusion may protrude from the top plate. Thus, the protrusion may be press-fitted into the filling hole and thus broken to seal the filling hole. Therefore, the member for sealing the filling hole may be integrated with the top plate to reduce manufacturing costs and simplify a manufacturing process.