Abstract: A device for cooling a slurry manufacturing mixer-comprises: a rotation container that comprises a mixing part, which mixes slurry and has a temperature detection part, and a slurry discharge part, which is formed under the mixing part and has a discharge hole for discharging the slurry; a body that is positioned under the rotation container and has a through-hole formed therethrough, through which the rotation container is inserted; and a sealing member interposed between the rotation container and the body, wherein the mixing part comprises an inner container and an outer container, and a cooling water passage is formed between the inner container and the outer container.

Abstract: The present invention relates to a device for cooling a slurry manufacturing mixer, wherein a cooling water passage is formed between an inner container and an outer container and cooling water is supplied to the cooling water passage so as to quickly cool a rotation container for manufacturing slurry and slurry therein.

Abstract: An apparatus and method for coating a functional layer on a current collector with an active material layer thereon, the apparatus including a first roll and a second roll, the first roll and second roll being for advancing the current collector; a gravure roll, the gravure roll being configured to coat the functional layer on the active material layer; a thickness measurer, the thickness measurer being configured to measure at least one of a thickness of the active material layer and a sum thickness of the active material layer and the functional layer; and a controller, the controller being in communication with the thickness measurer and being configured to control a rotation speed of the gravure roll.

Abstract: A coating apparatus to apply a coating solution onto a base material, including a first body portion, a second body portion spaced-apart by a gap from the first body portion, a coating solution inlet arranged in one region of the second body portion, a coating solution passage connecting the coating solution inlet to said gap, a coating solution outlet arranged at one end of the gap to discharge the coating solution supplied to the coating solution inlet and a gap adjusting arrangement including a plurality of gap adjusting portions arranged on the first body portion to adjust a size of the coating solution outlet, the plurality of gap adjusting portions being arranged in a width direction of the base material.

Abstract: The present invention provides an active material coating apparatus to form an active material layer having a uniform thickness in a width direction of a substrate when forming the active material layer on a substrate.

Abstract: Provided is an active material-coating apparatus for a secondary battery and methods of operating the same. The active material-coating apparatus includes a tank having an active material, a pump coupled to the tank such that the active material is routed through the pump, a temperature control unit coupled to the pump and configured to control heating or cooling of a temperature of the active material routed through the pump. The temperature control unit may include a control unit configured to control a temperature of the temperature control unit. The active material-coating apparatus may further include a coating unit coupled to the temperature control unit, and a reel including a current collector, the reel being configured to route the current collector through the coating unit such that the current collector is coated with the active material routed through the temperature control unit and ejected from the coating unit.

Abstract: An apparatus and method for coating a functional layer on a current collector with an active material layer thereon, the apparatus including a first roll and a second roll, the first roll and second roll being for advancing the current collector; a gravure roll, the gravure roll being configured to coat the functional layer on the active material layer; a thickness measurer, the thickness measurer being configured to measure at least one of a thickness of the active material layer and a sum thickness of the active material layer and the functional layer; and a controller, the controller being in communication with the thickness measurer and being configured to control a rotation speed of the gravure roll.

Abstract: An apparatus detecting the position of the functional layer of the electrode plate includes a first electrode plate sensor disposed at a side of a material to sense start points of electrode plates continuously formed on the material at uniform intervals, a second electrode plate sensor disposed at an other side of the material to sense a length of the electrode plate, a functional layer sensor provided behind the first electrode plate sensor and the second electrode plate sensor above a material traveling direction to sense position and length of the functional layer formed on the electrode by sensing a difference in color, and a controller feeding back a feedback result indicating whether the functional layer is correctly coated through values sensed by the first electrode plate sensor, the second electrode plate sensor, and the functional layer sensor.

Abstract: A coating apparatus to apply a coating solution onto a base material, including a first body portion, a second body portion spaced-apart by a gap from the first body portion, a coating solution inlet arranged in one region of the second body portion, a coating solution passage connecting the coating solution inlet to said gap, a coating solution outlet arranged at one end of the gap to discharge the coating solution supplied to the coating solution inlet and a gap adjusting arrangement including a plurality of gap adjusting portions arranged on the first body portion to adjust a size of the coating solution outlet, the plurality of gap adjusting portions being arranged in a width direction of the base material.

Abstract: The present invention provides an active material coating apparatus to form an active material layer having a uniform thickness in a width direction of a substrate when forming the active material layer on a substrate.

Abstract: An apparatus and method for coating a functional layer on a current collector with an active material layer thereon, the apparatus including a first roll and a second roll, the first roll and second roll being for advancing the current collector; a gravure roll, the gravure roll being configured to coat the functional layer on the active material layer; a thickness measurer, the thickness measurer being configured to measure at least one of a thickness of the active material layer and a sum thickness of the active material layer and the functional layer; and a controller, the controller being in communication with the thickness measurer and being configured to control a rotation speed of the gravure roll.

Abstract: A coating liquid storage tank and a micro gravure coating device having the same, the coating liquid storage tank including: a supply port to supply a coating liquid; a discharge port provided at a bottom of the storage tank to discharge the coating liquid; and a buffer plate provided above the discharge port to allow foreign substance in the supplied coating liquid to pass to the discharge port and to block waves in the supplied coating liquid from the bottom of the storage tank. In addition, the micro gravure coating device includes the coating liquid storage tank, and a micro gravure roll provided at an upper portion of the coating liquid storage tank and at least partially submerged in the coating liquid. Therefore, it is possible to effectively prevent floating matters from being coated on a substrate.