Abstract: A slot die coating device according to one embodiment of the present disclosure includes a slot die coater forming an internal space for housing an electrode slurry and a discharge passage in communication with the internal space to discharge the electrode slurry; and a block positioned in the internal space, wherein a first distance defined between a first inside portion and a second inside portion forming the internal space is greater than a second distance defined between a first discharge inside portion and a second discharge inside portion forming the discharge passage, and wherein the block comprises a first block facing the first inside portion and a second block facing the second inside portion.

Abstract: The present disclosure relates to an electrode rolling apparatus including a non-coating portion pressing unit that rolls a non-coating portion of an electrode substrate and an electrode rolling method using the same, and can prevent a swell from occurring in the non-coating portion region during the process of rolling the electrode substrate and increase the efficiency of the manufacturing process.

Abstract: An electrode rolling apparatus includes a rolling roll that rolls an electrode substrate, and a rolling roll cooling unit that supplies a cooling medium to the inside of a rolling roll to cool the rolling roll, wherein the cooling medium transferred through the rolling roll cooling unit flows through the outer portion of the rolling roll.

Abstract: A slot die coating device according to one embodiment of the present disclosure includes a slot die coater forming an internal space for housing an electrode slurry and a discharge passage in communication with the internal space to discharge the electrode slurry; and a block positioned in the internal space, wherein a first distance defined between a first inside portion and a second inside portion forming the internal space is greater than a second distance defined between a first discharge inside portion and a second discharge inside portion forming the discharge passage, and wherein the block comprises a first block facing the first inside portion and a second block facing the second inside portion.

Abstract: An electrode manufacturing device is provided. The electrode manufacturing device includes a pressing roll configured to apply pressure to an uncoated part of the electrode, wherein the pressing roll comprises a central part, a first end part and a second end part, wherein the uncoated part comprises an insulating coated part and a non-insulating coated part, wherein the first end part is adjacent to a boundary between the insulating coated part and the non-insulating coated part, wherein the second end part is located at a portion far away from the insulating coated part, and wherein a first outer diameter of the central part connected to the first end part is greater than a second outer diameter of the central part connected to the second end part.

Abstract: Provided is an electrode rolling apparatus and method for performing a multi-stage induction heating. By use of the apparatus and method, it is possible to prevent camber generation on the non-coated part region during the process of rolling an electrode substrate, and it is possible to increase the efficiency of the manufacturing process.

Abstract: An electrode supporting roll according to an embodiment of the present invention supports an electrode sheet, and includes: a main roll that includes a plurality of sub-rolls rotatably coupled to a single first shaft, while being in contact with the electrode sheet; and a press portion that is positioned at the opposite side of the electrode, while disposing the main roll therebetween, and reciprocally moves to push at least one of the plurality of sub-rolls toward the electrode sheet.

Abstract: An electrode rolling apparatus for rolling an electrode substrate having a coated portion and an uncoated portion includes: a coil section having an effective region where a uniform magnetic field is generated; and an electrode rolling portion for rolling the electrode substrate, wherein the coil section comprises a coil unit disposed on at least one side of opposing sides of the electrode substrate in reference to a traveling direction of the electrode substrate, wherein the coil unit comprises a first coil unit and a second coil unit that are disposed on first and second opposing part of the electrode substrate, respectively and wherein the coil unit is configured to inductively heats an entire region of the uncoated portion and a partial region of the coated portion that are located on the opposing sides centering on a boundary line between the coated portion and the uncoated portion.

Abstract: An electrode rolling apparatus a for rolling an electrode substrate having a coated portion and an uncoated portion includes a coil section having an effective region where a uniform magnetic field is generated; and an electrode rolling section for rolling the electrode substrate, wherein the coated portion and the uncoated portion each comprise a plurality of pattern portions, the uncoated portion comprising a first uncoated pattern portion located on at least one end of opposing ends of the electrode substrate and a second uncoated pattern portion located between coated pattern portions, wherein the coil section comprises a first coil section for heating the first uncoated pattern portion, and a second coil section for heating the second uncoated pattern portion, and wherein a heating temperature of the second coil section is lower than a heating temperature of the first coil section.

Abstract: An electrode rolling apparatus including a non-coating portion pressing part for rolling a non-coating portion of an electrode substrate and an electrode rolling method using the same, making it is possible to prevent a swell from occurring in the non-coating portion region in the process of rolling the electrode substrate and enhance the manufacturing process efficiency.