WO2023013922A1 - 단위 셀 정렬 장치 및 정렬 방법 - Google Patents
단위 셀 정렬 장치 및 정렬 방법 Download PDFInfo
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- WO2023013922A1 WO2023013922A1 PCT/KR2022/010488 KR2022010488W WO2023013922A1 WO 2023013922 A1 WO2023013922 A1 WO 2023013922A1 KR 2022010488 W KR2022010488 W KR 2022010488W WO 2023013922 A1 WO2023013922 A1 WO 2023013922A1
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- electrode
- angle
- gripper
- unit
- unit cell
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- 238000000034 method Methods 0.000 title claims description 11
- 238000012546 transfer Methods 0.000 claims description 51
- 238000000926 separation method Methods 0.000 claims description 12
- 230000007547 defect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/002—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B11/272—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes using photoelectric detection means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
- G01B7/31—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to a unit cell alignment device and alignment method.
- Electrodes are classified into coin-type batteries, cylindrical batteries, prismatic batteries, and pouch-type batteries according to the shape of a battery case in which an electrode assembly is embedded.
- electrode assemblies built into a battery case are a jelly-roll type in which a separator is interposed between a positive electrode and a negative electrode, a stack type in which a plurality of unit cells are stacked with a separator interposed between a positive electrode and a negative electrode, and a separator between unit cells. It is classified as a stack/folding type wound with a film.
- the stack/folding type may be manufactured by transferring unit cells including an electrode and a separator, placing them on a separator film, and winding the separator film.
- a problem such as a defective overhang may occur due to misalignment between unit cells.
- Patent Document 1 Korean Patent Publication No. 10-2021-0055186
- One of the objects of the present invention is to improve alignment accuracy of unit cells seated on a separation film.
- Another object of the present invention is to improve overhang defects.
- Another object of the present invention is to improve a folding gap defect.
- An embodiment of the present invention is a first transfer unit for transferring a unit cell including an electrode and a separator in a first direction; a first vision unit for measuring a distorted angle of the electrode; a gripper that grips and moves the unit cell; and a control unit controlling the gripper.
- the control unit adjusts an angle of the gripper based on a distorted angle of the electrode measured by the first vision unit before the gripper grips the unit cell, and after the gripper grips the unit cell.
- the gripper is returned so that the angle of the gripper is the angle before adjustment, and the twisted angle of the electrode is an angle formed by a central axis of the electrode and an imaginary line in a second direction perpendicular to the first direction and the plane.
- the angle of the gripper is an angle between an imaginary line in the second direction and a central axis of the gripper.
- One embodiment of the present invention comprises the steps of transferring a unit cell including an electrode and a separator in a first direction; measuring the twisted angle of the electrode; adjusting the angle of the gripper based on the measured twisted angle of the electrode; gripping the unit cell with the gripper having an adjusted angle; and returning the gripper so that an angle of the gripper gripping the unit cell becomes an angle before adjustment.
- the twisted angle of the electrode is an angle formed by a central axis of the electrode and an imaginary line in a second direction perpendicular to the first direction and a plane, and the angle of the gripper is an imaginary line in the second direction.
- a unit cell alignment method which is an angle formed by a central axis of the gripper.
- One of the effects of the present invention is to improve alignment accuracy of unit cells seated on a separation film.
- Another effect of the present invention is to improve overhang defects.
- Another effect of the present invention is to improve a folding gap defect.
- FIG. 1 is a side view of a unit cell alignment device according to an embodiment of the present invention.
- FIG. 2 is a plan view for explaining alignment of unit cells according to an embodiment of the present invention.
- FIG. 3 is a plan view illustrating additional alignment of unit cells according to an embodiment of the present invention.
- FIG. 1 is a side view of a unit cell alignment device according to an embodiment of the present invention.
- An apparatus for arranging unit cells 10 includes a transfer unit 110, a vision unit 120, a gripper 130, and a control unit 140.
- the unit cell 10 includes electrodes 11 and 13 and a separator 12 .
- the unit cell 10 may have a structure in which electrodes 11 and 13 and separator 12 are alternately stacked.
- the unit cell 10 includes a first electrode 11, a separator 12 laminated on both sides of the first electrode 11, and a laminated layer on both sides of the first electrode 11. It may include second electrodes 13 stacked on each of the separated membranes 12, but the structure of the unit cell 10 is not limited thereto.
- first electrode 11 and the second electrode 13 may be an anode, and the other may be a cathode.
- the first electrode 11 may be a cathode and the second electrode 13 may be an anode.
- a cross-sectional area of the first electrode 11 as a cathode may be larger than that of the second electrode 13 as an anode.
- the cross-sectional area means a cross-sectional area in a plane formed by the first direction (x) and the second direction (y).
- Each of the first electrode 11 and the second electrode 13 may have a structure in which a tab is formed at one end, but the tab of the electrode is omitted in the drawing.
- Separator 12 is disposed between electrodes 11 and 13 .
- the cross-sectional area of the separation membrane 12 may be larger than the cross-sectional areas of the electrodes 11 and 13 .
- the cross-sectional area of the first electrode 11, which is a cathode may be larger than the cross-sectional area of the second electrode 13, which is an anode.
- the separator 12, the first electrode 11, and the second electrode 13 the cross-sectional area may decrease in order.
- the transfer unit 110 transfers the unit cell 10 .
- the transfer unit 110 may include a first transfer unit 111 and a second transfer unit 112 .
- the first transfer unit 111 transfers the unit cell 10 including the electrodes 11 and 13 and the separator 12 in a first direction (x).
- the first transfer unit 111 may continuously transfer a plurality of unit cells 10 spaced apart from each other by a predetermined distance.
- the first transfer unit 111 may be a conveyor belt.
- the first transfer unit 111 has a first area A1, which is an area where the electrodes 11 and 13 are measured as the first vision unit 122, and the electrodes 11 and 13 are transferred to the gripper 130. It may have a second area A2, which is an area that is gripped and measured as the second vision unit 122.
- the second transfer unit 112 transfers the separation film 20 and the unit cell 10 disposed on the separation film 20 .
- the unit cell 10 may be supplied to the second transfer unit 112 by a gripper 130 to be described later and seated on the separation film 20 .
- a stack/fold type electrode assembly may be formed by winding the separation film 20 on which the unit cells 10 are seated in a later process.
- the second transfer unit 112 may be a pair of rollers. Accordingly, the unit cell 10 may be inserted between a pair of rollers by the gripper 130 and press-fit together with the separation film 20 .
- the vision unit 120 measures positional information of the electrodes 11 and 13, and may specifically measure twisted angles of the electrodes 11 and 13. However, the vision unit 120 may further measure other positional information such as the position of the electrodes 11 and 13 and the alignment state between the electrodes 11 and 13, and may measure the positional information of the separator 12 according to the design. may be Information measured by the vision unit 120 may be transmitted to the controller 140 .
- the vision unit 120 includes a first vision unit 121 and a second vision unit 122 .
- Each of the first vision unit 121 and the second vision unit 122 may measure the twisted angle ⁇ 1 of the electrodes 11 and 13 in different areas.
- Each of the first vision unit 121 and the second vision unit 122 may include a vision device, and the vision device may be a camera, an X-ray, or the like.
- the gripper 130 may serve to grip and move the unit cell 10 . Specifically, the gripper 130 may grip the unit cell 10 and supply the gripped unit cell 10 to the second transfer unit 112 . The gripper 130 may grip one end or both ends of the unit cell 10 .
- the gripper 130 includes a body and an arm, and the arm may hold the unit cell 10 and move it while fixing it.
- the controller 140 controls the gripper 130 .
- the control unit 140 may control the movement distance, movement speed, angle, etc. of the gripper 130 .
- the controller 140 may control the gripper 130 based on information measured by the vision unit 120 .
- the vision unit 120 the gripper 130 , and the control unit 140 of the unit cell alignment device according to an embodiment of the present invention will be described in more detail.
- FIG. 2 is a plan view for explaining alignment of unit cells according to an embodiment of the present invention.
- the first transfer unit 111 has a first area A1 and a second area A2 adjacent to the first area A1.
- the unit cell 10 is transported along the first direction (x), and thus the unit cell 10 sequentially passes through the first area A1 and the second area A2.
- the first vision unit 121 is disposed on the first area A1 of the transfer unit 111
- the second vision unit 122 is disposed on the second area A2 of the transfer unit 111 .
- the first area A1 is a first measurement area for measuring the unit cell 10 with the first vision unit 121
- the second area A2 is a unit passing through the first area A1. This is the second measurement area for measuring the cell 10 with the second vision unit 122 .
- the unit cell 10 stops for a certain period of time in the first area A1 while being transferred to the first transfer unit 111, is measured by the first vision unit 121, and is transferred again to the second area A2. It may be measured by the second vision unit 122 by stopping for a certain period of time. Also, as will be described later, the second area A2 may be an area where the unit cell 10 is gripped by the gripper 130 . Meanwhile, the first area A1 and the second area A2 are areas introduced for convenience of explanation, and may not have a boundary that can be seen with the naked eye.
- each of the first vision unit 121 and the second vision unit 122 is in the second direction of the first area A1 and the second area A2 of the first transfer unit 110 . It may appear to be disposed on (y), but this is only to help the understanding of the description, and each of the first vision unit 121 and the second vision unit 122 is the first area of the first transfer unit 110 ( It should be noted that A1) and the second area A2 are arranged in the third direction z, respectively.
- the cross-sectional area of the separator 12 may be larger than the cross-sectional area of the electrodes 11 and 13, so in the drawing, the unit cell 10 has the separator 12 protruding outward of the outermost electrode 13. It is shown as having an arranged structure.
- the first vision unit 121 measures the twisted angle ⁇ 1 of the electrodes 11 and 13 in the first area A1 of the first transfer unit 111 .
- the twisted angle ⁇ 1 of the electrodes 11 and 13 is the virtual line V in the first direction (x) and the second direction (y) perpendicular to the plane and the center of the electrodes 11 and 13 It is an angle formed by axis C1.
- the central axis C1 of the electrodes 11 and 13 is the central axis in the second direction y when the electrodes 11 and 13 are ideally aligned without twisting.
- the central axis C1 of the electrodes 11 and 13 that are not aligned may not be directed in the second direction y.
- the first vision unit 121 measures a distorted angle ⁇ 1 of at least one of the first electrode 11 and the second electrode 13 .
- the first vision unit 121 may measure the twisted angle ⁇ 1 of the first electrode 11 .
- the first vision unit 121 may measure the twisted angle ⁇ 1 of the first electrode 11 disposed inside the unit cell 10, not the second electrode 13, which is the outermost electrode, and thus, Unit cells 10 may be aligned based on one electrode 11 .
- the first electrode 11 may be a cathode having a larger cross-sectional area than the second electrode 13, and thus, by aligning the unit cells 10 with respect to the first electrode 11, which is a cathode, overhang defects are prevented. can be improved
- the first vision unit 121 measures the twisted angle of the second electrode 13 or measures the twisted angle of each of the first electrode 11 and the second electrode 13. may be
- the unit cell 10 is transferred to the second area A2 of the first transfer unit 111, and the gripper 130 is also transferred to the second area A2 of the first transfer unit 111. Move to and grip the unit cell 10.
- the controller 140 controls the gripper 130 to grip the unit cell 10 based on the twisted angle ⁇ 1 of the electrodes 11 and 13 measured by the first vision unit 121 ( 130) to adjust the angle ⁇ 2.
- the controller 140 adjusts the angle ⁇ 2 of the gripper 130 by rotating the gripper 130 by the angle ⁇ 1 of the electrodes 11 and 13 . Therefore, after adjustment, the central axis C2 of the gripper 130 is parallel to the central axis C1 of the electrodes 11 and 13 .
- the angle ⁇ 2 of the gripper 130 may be adjusted before, during, or after the movement of the gripper 130 .
- the angle ⁇ 2 of the gripper 130 is a virtual line V in a second direction y perpendicular to the first direction x and a plane and the central axis C2 of the gripper 130 is the angle that The central axis C2 of the gripper 130 is the central axis in the second direction y when the gripper 130 is aligned and not adjusted.
- the central axis C2 of the gripper 130 may not be directed in the second direction y.
- the control unit 140 returns the gripper 130 so that the angle ⁇ 2 of the gripper 130 becomes the angle before adjustment. let it In other words, after the gripper 130 grips the unit cell 10, the control unit 140 returns the gripper 130 by rotating it again by an angle rotated before the gripper 130 grips the unit cell 10. let it Accordingly, the central axis C2 of the gripper 130 again faces the second direction y and is parallel to an arbitrary imaginary line V in the second direction y. The returned gripper 130 is still located in the second area A2 of the transfer unit 111 .
- the unit cell 10 is rotated by the angle ⁇ 1 at which the electrodes 11 and 13 of the unit cell 10 are rotated by the gripper 130. ) and return the gripper 130 holding the unit cell 10 to perform primary alignment on the unit cell 10 .
- alignment errors of the unit cells 10 may still occur even after alignment in this way. Therefore, according to one embodiment of the present invention, additional alignment of the unit cells 10 may be performed as described below.
- FIG. 3 is a plan view illustrating additional alignment of unit cells according to an embodiment of the present invention.
- the second vision unit 122 is an electrode in a state of being gripped by the gripper 130.
- the twisted angle ⁇ 1 of (11, 13) is additionally measured.
- the alignment of the unit cell 10 should be correct by the first correction described in FIG. 2, but an alignment error of the unit cell 10 may still occur due to an error in measurement or adjustment.
- the second vision unit 122 also measures the twisted angle ⁇ 1 of at least one of the first electrode 11 and the second electrode 13 . It may be preferable in terms of additional alignment that the second vision unit 122 measures the distorted angle of the same electrode as the electrode measured by the first vision unit 121 .
- the second vision unit 122 may measure the twisted angle ⁇ 1 of the first electrode 11, which is a negative electrode, similarly to the first vision unit 121.
- the second vision unit 122 measures the twisted angle of the second electrode 13 together with the first vision unit 121, or the first electrode 11 and the second electrode 13 ) may be to measure each twisted angle. If necessary, a distorted angle of an electrode different from the electrode measured by the first vision unit 121 may be measured.
- the control unit 140 calculates the angle ⁇ 2 of the gripper 130 returned based on the twisted angle ⁇ 1 of the electrodes 11 and 13 measured by the second vision unit 122. adjust further. Specifically, the controller 140 further adjusts the angle ⁇ 2 of the gripper 130 by rotating the gripper 130 as much as the distorted angle ⁇ 1 of the electrodes 11 and 13 after the gripper 130 is returned. do. Accordingly, the central axis C2 of the gripper 130 may not face the second direction y again.
- the angle ⁇ 2 of the gripper 130 may be additionally adjusted in the second area A2 of the first transfer unit 111, or may be adjusted while moving to the second transfer unit 112 of the gripper 130, or moved It may be adjusted later.
- control unit 140 may further control the gripper 130 to supply the unit cells 10 to the second transfer unit 112 while maintaining an additionally adjusted angle. That is, the control unit 140 maintains an additionally adjusted angle of the gripper 130 gripping the unit cell 10 and moves the unit cell 10 to the second area A2 of the first transfer unit 111. It can be controlled to move to the transfer unit 112 . Accordingly, the unit cells 10 may be supplied to the second transfer unit 112 with improved alignment.
- alignment of the unit cell 10 may be corrected by controlling the angle ⁇ 2 of the gripper 130 gripping the unit cell 10 .
- alignment of the unit cells 10 may be further improved by performing correction twice before and after the unit cells 10 are gripped by the gripper 130 .
- alignment accuracy of the unit cells 10 seated on the separation film 20 may be improved, and through this, a folding gap defect may also be improved.
- the overhang defect can be further improved by aligning the unit cells 10 with the first electrode 11 serving as a cathode.
- the unit cell alignment method of the present invention includes the steps of transferring the unit cell 10 including the electrodes 11 and 13 and the separator 12 in a first direction (x), the twisted angle of the electrodes 11 and 13 ( Measuring ⁇ 1), adjusting the angle ⁇ 2 of the gripper 130 based on the measured twisted angles ⁇ 1 of the electrodes 11 and 13, the unit cell 10 with the angle-adjusted gripper ( 130) and returning the gripper 130 so that the angle ⁇ 2 of the gripper 130 holding the unit cell 10 becomes the angle before adjustment.
- the unit cell alignment method of the present invention includes the step of additionally measuring the distorted angle ⁇ 1 of the electrodes 11 and 13 after the gripper 130 is returned, and the additionally measured distorted angles of the electrodes 11 and 13.
- An additional step of adjusting the angle ⁇ 2 of the gripper 130 based on the angle may be further included.
- the unit cell transfer step is a first transfer step of transferring the electrodes 11 and 13 to the first area A1 where the twisted angle ⁇ 1 of the electrodes 11 and 13 is measured, and the electrodes 11 and 13 are A second transfer step of transferring to the second area A2 gripped by the gripper 130 may be included.
- the step of additionally measuring the twisted angle ⁇ 2 of the electrodes 11 and 13 may be performed in the second area A2.
- first, second, etc. is for distinguishing elements from each other, and does not mean a priority between elements or an absolute order.
- a first element in some parts of this specification may be referred to as a second element in other parts of this specification.
- control unit 140 control unit
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Abstract
Description
Claims (14)
- 전극 및 분리막을 포함하는 단위 셀을 제1 방향으로 이송하는 제1 이송부;상기 전극의 틀어진 각도를 측정하는 제1 비전부;상기 단위 셀을 파지하여 이동시키는 그리퍼(gripper); 및상기 그리퍼를 제어하는 제어부; 를 포함하고,상기 제어부는 상기 그리퍼가 상기 단위 셀을 파지하기 전 상기 제1 비전부로 측정된 상기 전극의 틀어진 각도에 기초하여 상기 그리퍼의 각도를 조정하고, 상기 그리퍼가 상기 단위 셀을 파지한 후 상기 그리퍼의 각도가 조정 전 각도가 되도록 상기 그리퍼를 복귀시키며,상기 전극의 틀어진 각도는 상기 제1 방향과 평면 상에서 수직한 제2 방향으로의 가상선 및 상기 전극의 중심축이 이루는 각도이고,상기 그리퍼의 각도는 상기 제2 방향으로의 가상선 및 상기 그리퍼의 중심축이 이루는 각도인,단위 셀 정렬 장치.
- 제1항에 있어서,상기 제어부는 상기 그리퍼가 상기 단위 셀을 파지하기 전 상기 그리퍼를 상기 전극의 틀어진 각도만큼 회전시키는,단위 셀 정렬 장치.
- 제1항에 있어서,상기 단위 셀은 제1 전극, 상기 제1 전극의 양면 상에 적층된 분리막 및 상기 제1 전극의 양면 상에 적층된 상기 분리막 각각 상에 적층된 제2 전극을 포함하며,상기 제1 비전부는 상기 제1 전극의 틀어진 각도를 측정하는,단위 셀 정렬 장치.
- 제3항에 있어서,상기 제1 전극은 음극이고, 상기 제2 전극은 양극인,단위 셀 정렬 장치.
- 제1항에 있어서,상기 그리퍼가 복귀된 후 상기 전극의 틀어진 각도를 추가로 측정하는 제2 비전부; 를 더 포함하며,상기 제어부는 상기 제2 비전부로 측정된 상기 전극의 틀어진 각도에 기초하여 복귀된 상기 그리퍼의 각도를 추가로 조정하는,단위 셀 정렬 장치.
- 제5항에 있어서,상기 제어부는 복귀된 상기 그리퍼를 상기 그리퍼가 복귀된 후 상기 전극의 틀어진 각도만큼 회전시키는,단위 셀 정렬 장치.
- 제5항에 있어서,상기 단위 셀은 제1 전극, 상기 제1 전극의 양면 상에 적층된 분리막 및 상기 제1 전극의 양면 상에 적층된 상기 분리막 각각 상에 적층된 제2 전극을 포함하며,상기 제1 비전부 및 상기 제2 비전부 각각은 상기 제1 전극의 틀어진 각도를 측정하는,단위 셀 정렬 장치.
- 제7항에 있어서,상기 제1 전극은 음극이고, 상기 제2 전극은 양극인,단위 셀 정렬 장치.
- 제5항에 있어서,상기 제1 비전부는 상기 제1 이송부의 제1 영역에서 상기 전극의 틀어진 각도를 측정하고,상기 그리퍼는 상기 제1 이송부의 제1 영역과 인접한 제2 영역에서 상기 전극을 파지하며,상기 제2 비전부는 상기 제1 이송부의 제2 영역에서 상기 전극의 틀어진 각도를 추가로 측정하는,단위 셀 정렬 장치.
- 제5항에 있어서,분리 필름 및 상기 분리 필름 상에 배치된 상기 단위 셀을 이송하는 제2 이송부; 를 더 포함하며,상기 그리퍼는 상기 단위 셀을 이동시켜 상기 제2 이송부로 공급하며,상기 제어부는 상기 그리퍼가 추가로 조정된 각도를 유지하며 상기 단위 셀을 상기 제2 이송부로 공급하도록 더 제어하는,단위 셀 정렬 장치.
- 전극 및 분리막을 포함하는 단위 셀을 제1 방향으로 이송하는 단계;상기 전극의 틀어진 각도를 측정하는 단계;측정된 상기 전극의 틀어진 각도에 기초하여 그리퍼의 각도를 조정하는 단계;상기 단위 셀을 각도가 조정된 상기 그리퍼로 파지하는 단계; 및상기 단위 셀을 파지한 상기 그리퍼의 각도가 조정 전 각도가 되도록 상기 그리퍼를 복귀시키는 단계; 를 포함하며,상기 전극의 틀어진 각도는 상기 제1 방향과 평면 상에서 수직한 제2 방향으로의 가상선 및 상기 전극의 중심축이 이루는 각도이고,상기 그리퍼의 각도는 상기 제2 방향으로의 가상선 및 상기 그리퍼의 중심축이 이루는 각도인,단위 셀 정렬 방법.
- 제11항에 있어서,상기 그리퍼가 복귀된 후 상기 전극의 틀어진 각도를 추가로 측정하는 단계; 및추가로 측정된 상기 전극의 틀어진 각도에 기초하여 복귀된 상기 그리퍼의 각도를 추가로 조정하는 단계; 를 더 포함하는,단위 셀 정렬 방법.
- 제12항에 있어서,상기 단위 셀을 제1 방향으로 이송하는 단계는 상기 전극을 상기 전극의 틀어진 각도가 측정되는 제1 영역으로 이송하는 제1 이송 단계 및 상기 전극이 상기 그리퍼로 파지되는 제2 영역으로 이송하는 제2 이송 단계를 포함하는,단위 셀 정렬 방법.
- 제13항에 있어서,상기 전극의 틀어진 각도를 추가로 측정하는 단계는 상기 제2 영역에서 수행되는,단위 셀 정렬 방법.
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20120060705A (ko) * | 2010-12-02 | 2012-06-12 | 주식회사 엘지화학 | 전극조립체의 폴딩 장치 |
KR20160051347A (ko) * | 2014-11-03 | 2016-05-11 | 주식회사 엘지화학 | 스티치 커팅부를 포함하는 전극조립체 제조장치 및 이를 사용하여 제조된 전극조립체 |
KR20190092019A (ko) * | 2018-01-30 | 2019-08-07 | 주식회사 엘지화학 | 단위셀의 이송방법 및 이송장치 |
KR20190091745A (ko) * | 2018-01-29 | 2019-08-07 | 주식회사 엘지화학 | 전극 조립체 제조방법 및 이차전지 제조방법 |
KR20210055186A (ko) | 2019-11-07 | 2021-05-17 | 주식회사 엘지화학 | 폴딩형 전극조립체 및 그 제조 방법 |
KR20210101704A (ko) | 2020-02-10 | 2021-08-19 | 삼성전자주식회사 | 전자 장치 및 전자 장치의 고속 화면 운용 방법 |
-
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20120060705A (ko) * | 2010-12-02 | 2012-06-12 | 주식회사 엘지화학 | 전극조립체의 폴딩 장치 |
KR20160051347A (ko) * | 2014-11-03 | 2016-05-11 | 주식회사 엘지화학 | 스티치 커팅부를 포함하는 전극조립체 제조장치 및 이를 사용하여 제조된 전극조립체 |
KR20190091745A (ko) * | 2018-01-29 | 2019-08-07 | 주식회사 엘지화학 | 전극 조립체 제조방법 및 이차전지 제조방법 |
KR20190092019A (ko) * | 2018-01-30 | 2019-08-07 | 주식회사 엘지화학 | 단위셀의 이송방법 및 이송장치 |
KR20210055186A (ko) | 2019-11-07 | 2021-05-17 | 주식회사 엘지화학 | 폴딩형 전극조립체 및 그 제조 방법 |
KR20210101704A (ko) | 2020-02-10 | 2021-08-19 | 삼성전자주식회사 | 전자 장치 및 전자 장치의 고속 화면 운용 방법 |
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