The present invention relates to an apparatus for evaluating drying quality of an electrode, and the apparatus includes: an oven configured to provide a space in which an electrode is dried; a measuring unit configured to be positioned at an outlet of the oven and measure a color coordinate value of an electrode active material layer with respect to the dried electrode; and an determination unit configured to determine whether the electrode is dry from the color coordinate value, wherein the determination unit sets a reference value, and determines that a dry state of the electrode is defective if the measured color coordinate value is less than the reference value, and a difference between the measured color coordinate value and the reference value is more than a preset value.

A system for drying an electrode includes a drying unit which dries an electrode which is moving on a transfer line; a thermal imaging camera which photographs a surface of the electrode in real time; a calculation unit which stores an image taken by the thermal imaging camera, and generates temperature distribution data in a width direction of the electrode from the image; and an output unit which outputs the image and the temperature distribution data in a width direction of the electrode.

A system for drying an electrode includes: an oven which applies hot air and radiant heat to an electrode sheet; and a controller which receives information on drying standby time, and controls an amount of heat supplied into the oven. Herein, the controller controls to supply a reduced amount of heat to the oven during an initial drying time right after the supply of the electrode sheet after the drying standby time.

A method for manufacturing an electrode for secondary battery, including a pressing process in which a load is applied to an electrode active material slurry when the solid content of the electrode active material slurry is 70 wt % to 98 wt % during the process of drying the electrode active material slurry coated as one or more layers on a current collector. An apparatus for manufacturing the same is also provided.

A feed-through ultrasonic cleaning system for winding of a superconducting coil, including a sealed chamber system, a main ultrasonic cleaning system, a deionized water spraying system, a compressed air blow-drying system, and an automatic control system. During the winding of an armored superconducting coil, a superconducting conductor which is fed at a constant speed successively passes through a sealed chamber, an ultrasonic cleaning chamber, a first compressed air blow-drying chamber, a deionized water spray chamber, and a second compressed air blow-drying chamber in the ultrasonic cleaning system.

The present invention is at least one coating machine (1) having at least one impregnation unit (2) for realizing dyeing during wrapping of the yarn (26) from at least one first bobbin (25) onto at least one second bobbin (41), at least one drying unit (3) for providing drying of the yarn (26) dyed essentially in the vicinity of said impregnation unit (2), at least one first roller (355) and at least one second roller (359) positioned mutually for providing moving of the yarn (26) at a predetermined line in said drying unit (3), at least one wrapping unit (4) for providing wrapping of the yarn (26), dyed in the vicinity of the drying unit (3), onto said second bobbin (41). The improvement of the present invention is that said second roller (359) is configured to displace between an operation position (I) defined at one side of said first roller (355) and a yarn changing position (II) defined at the other side of said first roller (355).

The electrode drying device includes a transfer unit that transfers an electrode sheet having an electrode slurry coated onto the current collector, and a drying chamber including an inflow port where the electrode sheet transferred by the transfer unit enters, wherein an interrupting member for adjusting the flow amount or flow velocity of outside air flowing in a drying chamber is formed at the inflow port, and a height of a central part of the interrupting member is different from a height of a peripheral part of the interrupting member.

Provided are an electrode plate drying device and a coating device, and relates to the technical field of batteries. The electrode plate drying device includes an oven, a first deflector roll, and a second deflector roll. The oven is configured to dry an electrode plate. The first deflector roll and the second deflector roll are disposed in the oven. The electrode plate winds around the first deflector roll and the second deflector roll. Positions of the first deflector roll and/or the second deflector roll in the oven are tunable so as to adjust a movement distance of the electrode plate in the oven.

A drying device for manufacturing an electrode comprises a dryer and a transfer part. The dryer is configured to dry a coated portion of an electrode base material when an electrode slurry is applied to the coated portion on at least one surface and not applied to an uncoated portion. The transfer part includes a floating part and a traveling part coupled to an outlet of the dryer. The floating part includes an air floating plate and is configured to float the electrode base material using air. The traveling part is configured to move the electrode base material in a process direction. A method for manufacturing an electrode includes drying an electrode base material in which electrode slurry is applied on a least one surface of the electrode base material at a high temperature, and floating and transferring the electrode base material using air.

Disclosed herein is a treatment unit for treating a continuously through-flowing elongate windable element, wherein said unit includes a substantially sealed enclosure for containing a gaseous environment, the enclosure having an inlet port for the continuous ingress of an elongate windable element and an outlet port for the continuous egress of treated elongate windable element, treatment apparatus located within the enclosure, for treating the elongate windable element therein, and a spatial loading system located within the enclosure, for continuous collection of the elongate windable element within the enclosure, and for conveying the elongate windable element from the inlet port to the outlet port.