Abstract: A method of manufacturing a curved secondary battery having a target radius of curvature includes incorporating an electrode assembly including a cathode, an anode, and a separator interposed between the cathode and the anode into a battery case together with an electrolyte to manufacture a secondary battery, subjecting the secondary battery to a first activation, degassing the secondary battery after the first activation, subjecting the secondary battery to a first hot press after degassing the secondary battery so that the secondary battery has a first radius of curvature, subjecting the secondary battery to a second activation after the first hot press, and subjecting the secondary battery to a second hot press after the second activation so that the secondary battery has a second radius of curvature.

Abstract: A method for controlling an electric heater of a vehicular heating, ventilation, and air conditioning (HVAC) system includes turning on the electric heater; determining whether an ambient air temperature of a vehicle is higher than or equal to a threshold ambient air temperature, and a battery temperature is lower than or equal to a threshold battery temperature; determining whether battery efficiency is lower than or equal to threshold efficiency when the ambient air temperature of the vehicle is higher than or equal to the threshold ambient air temperature, and the battery temperature is lower than or equal to the threshold battery temperature; and turning off the electric heater when the battery efficiency is lower than or equal to the threshold efficiency, wherein the electric heater is configured to receive electric energy from the battery.

Abstract: The present disclosure relates to an apparatus for preparing an oligomer, the apparatus including: a reactor for oligomerizing a feed stream containing a fed monomer; a stirrer inserted into a hole formed in an upper portion of the reactor; and a solvent transfer line extending inward from a side of the reactor, wherein the stirrer includes a rotating shaft vertically extending downward from the upper portion of the reactor, and a blade having a conical shape whose vertex is positioned at a lower end of the rotating shaft and outer diameter increases from a bottom toward a top, and the solvent transfer line has a plurality of spray nozzles formed in a direction toward the blade.

Abstract: A die for coating an insulating liquid may include a die body configured to be positioned on a current collector with a certain space and discharge an insulating liquid; and a discharge portion configured to be formed on one surface where the insulating liquid of the die body is discharged, and form a discharge path and a discharge port where the insulating liquid is discharged, wherein the discharge portion includes a first discharge portion positioned at a front region side of a coating direction of the insulating liquid, and a second discharge portion positioned at a rear region side of the coating direction of the insulating liquid, an insulating liquid discharge path is formed between the first discharge portion and the second discharge portion, and an insulating liquid discharge port is formed between an end of the first discharge portion and an end of the second discharge portion.

Abstract: The present technology relates to an electrode manufacturing system, and an electrode manufacturing method using the same. According to the present technology, it is possible to uniformly second-coating an electrode slurry as an electrode current collector, which has gone through electrode slurry first coating and drying processes, passes through a heat pipe guide roller.

Abstract: An electrode assembly is manufactured by a process. The electrode assembly comprises an anode sheet and an anode having improved stacking characteristics of an electrode based on a shoulder portion. The shoulder portion is solid. The shoulder portion is thicker than a conventional electrode tab and has no light reflection with the application of an active material when the electrode assembly is formed, including during notching, cutting of a single electrode, and stacking.

Abstract: An insulation-coating overlay control system, an electrode plate for a secondary battery, and an insulation-coating overlay control method are provided. I system includes an insulation coater configured to coat an insulating material to allow the insulating material to cover a partial region of a coated part and a non-coated part in an electrode plate along a boundary part. The coated part has an electrode slurry coated thereon and the non-coated part does not have the electrode slurry coated thereon. An insulation-coating width measuring means is configured to measure an overlay width. An insulation coater moving means is configured to move the insulation coater and a controller is configured to control the insulation coater moving means to adjust the overlay width by comparing the measured overlay width with a predetermined overlay width setting range or an overlay width reference value.

Abstract: A method of manufacturing a shim for a die coater is disclosed herein. In some embodiments, a method of manufacturing a shim for a die coater, where the shim is applied to an electrode slurry die of the die coater and used for discharging an electrode slurry from the die coater, comprising milling a surface of a metal plate to prepare the shim. Using the method herein, it is possible to manufacture a shim for a die coater having a low thickness deviation by processing the shim for a die coater through a milling process.

Abstract: An electrode slurry coating system and a method of using the same to coat a current collector layer are disclosed herein. In some embodiments, the electrode slurry coating system includes a supply tank, a supply line having a control valve and branching into at least three sub-supply lines at one end thereof, an electrode slurry slot die having a manifold, a coating roller, and a temperature sensor, wherein the temperature is sensor configured to measure the temperature of the electrode slurry discharged from the electrode slurry slot die, and wherein the control valve is configured to control the flow rate of the electrode slurry in response to a temperature of the electrode slurry measured by the temperature sensor.

Abstract: The present invention relates to a method for manufacturing an electrode assembly.

Abstract: A method for manufacturing an electrode assembly comprises: a primary stack manufacturing step in which a first electrode and a second electrode are alternately stacked with a separator on a top surface of a table; a secondary stack manufacturing step in which the first electrode and the second electrode are alternately stacked with the separator on the primary stack so that the second electrode is stacked to be disposed at the lowermost end; a stack rotating step in which the primary stack and the secondary stack are rotated together at an angle of 180° to change positions of the primary stack and the secondary stack; and an electrode assembly manufacturing step in which the first electrode and the second electrode are alternately stacked with the separator on the primary stack so that the second electrode is stacked to be disposed at the lowermost end to manufacture a tertiary stack.

Abstract: A die for coating an insulating liquid may include a die body configured to be positioned on a current collector with a certain space and discharge an insulating liquid; and a discharge portion configured to be formed on one surface where the insulating liquid of the die body is discharged, and form a discharge path and a discharge port where the insulating liquid is discharged, wherein the discharge portion includes a first discharge portion positioned at a front region side of a coating direction of the insulating liquid, and a second discharge portion positioned at a rear region side of the coating direction of the insulating liquid, an insulating liquid discharge path is formed between the first discharge portion and the second discharge portion, and an insulating liquid discharge port is formed between an end of the first discharge portion and an end of the second discharge portion.

Abstract: An electronic device includes an outer housing including a first surface, a second surface, and a side surface, a printed circuit board seated in the outer housing, and at least one side key coupled to a peripheral area of the outer housing. The side key includes at least one contact part exposed through a through-hole formed in the side surface of the outer housing, a side key circuit board including a switch module that contacts the contact part when the contact part is pressed, the side key circuit board being electrically connected to the printed circuit board, a side key bracket in which at least a portion of the side key circuit board is seated and which fixes and supports the side key circuit board, and one or more molded members that are coupled to opposite ends of the side key bracket and are coupled to the outer housing.

Abstract: An electronic device includes an outer housing including a first surface, a second surface, and a side surface, a printed circuit board seated in the outer housing, and at least one side key coupled to a peripheral area of the outer housing. The side key includes at least one contact part exposed through a through-hole formed in the side surface of the outer housing, a side key circuit board including a switch module that contacts the contact part when the contact part is pressed, the side key circuit board being electrically connected to the printed circuit board, a side key bracket in which at least a portion of the side key circuit board is seated and which fixes and supports the side key circuit board, and one or more molded members that are coupled to opposite ends of the side key bracket and are coupled to the outer housing.