WO2022191591A1 - 포일 탭 포밍 장치 및 포일 탭 포밍 방법 - Google Patents
포일 탭 포밍 장치 및 포일 탭 포밍 방법 Download PDFInfo
- Publication number
- WO2022191591A1 WO2022191591A1 PCT/KR2022/003284 KR2022003284W WO2022191591A1 WO 2022191591 A1 WO2022191591 A1 WO 2022191591A1 KR 2022003284 W KR2022003284 W KR 2022003284W WO 2022191591 A1 WO2022191591 A1 WO 2022191591A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- foil
- forming
- electrode assembly
- pressing block
- pressing
- Prior art date
Links
- 239000011888 foil Substances 0.000 title claims abstract description 257
- 238000000034 method Methods 0.000 title claims description 77
- 238000004804 winding Methods 0.000 claims abstract description 55
- 238000005452 bending Methods 0.000 claims abstract description 23
- 235000015110 jellies Nutrition 0.000 claims description 3
- 239000008274 jelly Substances 0.000 claims description 3
- 230000007423 decrease Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/10—Bending specially adapted to produce specific articles, e.g. leaf springs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D33/00—Special measures in connection with working metal foils, e.g. gold foils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/20—Bending sheet metal, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/22—Auxiliary equipment, e.g. positioning devices
-
- 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
- H01M10/0431—Cells with wound or folded electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
-
- 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
Definitions
- the present invention relates to a foil tap forming apparatus and a foil tap forming method.
- a conventional cylindrical secondary battery has a structure in which a tab connecting an electrode assembly and an external terminal is welded to the uncoated part of the electrode assembly by welding.
- the current path is limited, and the self-resistance of the electrode assembly is applied. There was a problem with this high.
- the present invention was devised in consideration of the above-described problems, and an object of the present invention is to smoothly perform a process of forming a positive electrode foil tab and/or a negative electrode foil tab of an electrode assembly.
- Another object of the present invention is to allow the positive electrode foil tab and/or the negative electrode foil tab of the electrode assembly to be uniformly formed over the entire region from the outer periphery of the electrode assembly to the winding center of the electrode assembly.
- a foil tab forming device for solving the above problems is a foil tab forming device for forming a foil tab of an electrode assembly having an outer periphery and a winding center defining a winding axis, the electrode assembly and a forming jig configured to move along a direction parallel to the winding axis to press the foil tab.
- the foil tab forming apparatus may further include a pre-forming jig configured to press and bend the foil tab while moving from an outer periphery of the electrode assembly toward a winding center of the electrode assembly.
- the forming jig may be configured to press the foil tab on which the primary bending is completed by the pre-forming jig.
- the pre-forming jig may include a plurality of shutter blocks disposed along an outer periphery of the electrode assembly and configured to bend the foil tab by moving in a direction toward a winding center of the jelly roll.
- the shutter block may have a shape in which a surface facing the foil tab is inclined upward from the outer periphery of the electrode assembly toward the winding center.
- the forming jig may have a width equal to or greater than a diameter of the electrode assembly.
- the forming jig may be configured to rotate about the same axis as the winding axis of the electrode assembly.
- the forming jig may be configured to rotate clockwise or counterclockwise.
- the forming jig may be configured to simultaneously perform an operation of pressing the foil tab and an operation of rotating.
- the forming jig may have a shape in which a surface facing the foil tab is inclined upward from an outer periphery of the electrode assembly toward the winding center.
- the forming jig may include: a first pressing block provided at a position corresponding to a first region relatively adjacent to an outer periphery of the electrode assembly among the foil tabs; and a second pressing block provided at a position corresponding to a second region relatively adjacent to a winding center of the electrode assembly among the foil tabs.
- the pressing surface of the first pressing block and the pressing surface of the second pressing block may have the same inclination, and may define a surface of the forming jig facing the foil tab.
- the first pressing block and the second pressing block may be configured to be independently movable along a direction parallel to a winding axis of the electrode assembly.
- the forming jig moves toward the foil tab in a state in which the pressing surface of the first pressing block and the pressing surface of the second pressing block are in the same plane, and after performing the primary pressing, the first pressing block
- the position of the second pressing block may be configured to further move toward the foil tab to perform secondary pressing in a state where it is maintained.
- the forming jig may be configured to be positioned at the same height or higher than the lowest end of the second pressing block after the first pressing and the second pressing are completed, and the lowest end of the first pressing block have.
- the first pressing block and the second pressing block may be configured to rotate together or independently with respect to the same axis as the winding shaft.
- the forming jig may include: a first pressing block provided at a position corresponding to a first region relatively adjacent to an outer periphery of the electrode assembly among the foil tabs; a third pressing block provided at a position corresponding to a third region relatively adjacent to a winding center of the electrode assembly among the foil tabs; and a second pressing block provided at a position corresponding to a second region between the first region and the third region among the foil tabs.
- the forming jig may be provided as a pair of forming jigs disposed at opposite ends of the electrode assembly along a winding axis of the electrode assembly.
- the pair of forming jigs may rotate in opposite directions with respect to the same axis as the winding axis of the electrode assembly.
- the pre-forming jig may be provided as a pair of pre-forming jigs disposed at opposite ends of the electrode assembly along a winding axis of the electrode assembly.
- the foil tab forming method for solving the above-described problems is a foil tab forming method of forming a foil tab of an electrode assembly having an outer periphery and a winding center defining a winding axis, (S1 ) bending the foil tab by pressing the foil tab in a direction parallel to the winding axis of the electrode assembly using a forming jig; includes
- the foil tab forming method includes (S0) bending the foil tab by pressing the foil tab in a direction from the outer periphery of the electrode assembly toward the winding center of the electrode assembly with a pre-forming jig prior to step (S1); may further include.
- the step (S1) may be a step of additionally bending the foil tab by pressing the foil tab that has been pre-formed according to the step (S0).
- the pre-forming jig is provided along the outer periphery of the electrode assembly and is provided with a plurality of shutter blocks for bending the foil tab by moving in a direction toward the winding center of the electrode assembly. can be performed.
- the step (S0) may be performed using a pre-forming jig having a plurality of shutter blocks in which a surface facing the foil tab is inclined upward in a direction from the outer periphery of the electrode assembly toward the winding center.
- the step (S1) may be performed using a forming jig having a width equal to or greater than a diameter of the electrode assembly.
- the step (S1) may be performed using a forming jig configured to rotate about the same axis as the winding axis of the electrode assembly.
- the step (S1) may be performed using a forming jig configured to simultaneously perform the operation of pressing the foil tab and the operation of rotating.
- the forming jig may be rotated clockwise so that the foil tab is oriented in the clockwise direction.
- the forming jig may be rotated counterclockwise so that the foil tab is oriented counterclockwise.
- the step (S1) may be performed by a forming jig in which a surface facing the foil tab is inclined upward in a direction from the outer periphery of the electrode assembly toward the winding center.
- a first pressing block provided at a position corresponding to a first region relatively adjacent to the outer periphery of the electrode assembly among the foil tabs and a second pressing block relatively adjacent to a winding center of the electrode assembly among the foil tabs It may be performed by a forming jig including a second pressing block provided at a position corresponding to the second region.
- the step (S1) may be performed by a forming jig in which the pressing surface of the first pressing block and the pressing surface of the second pressing block have the same inclination.
- the step (S1) may be performed by a forming jig configured such that the first pressing block and the second pressing block are independently movable along a direction parallel to a winding axis of the electrode assembly.
- the step (S1) includes: (S11) moving toward the foil tab with the pressing surface of the first pressing block and the pressing surface of the second pressing block being flush with each other to perform the primary pressing; and (S12) performing secondary pressing by further moving the second pressing block toward the foil tab in a state in which the position of the first pressing block is maintained after the (S11) is performed; may include.
- the lowermost portion of the second pressing block may be located at the same height as the lowermost portion of the first pressing block or located higher.
- the step (S1) may be performed by rotating the first pressing block and the second pressing block together or independently with respect to the same axis as the winding shaft.
- a first pressing block provided at a position corresponding to a first region relatively adjacent to an outer periphery of the electrode assembly among the foil tabs, and a first pressing block relatively adjacent to a winding center of the electrode assembly among the foil tabs A forming jig comprising a third pressing block provided at a position corresponding to the third region, and a second pressing block provided in a region corresponding to the second region between the first region and the third region among the foil tabs can be performed by
- the step (S1) may be performed by a forming jig in which the pressing surface of the first pressing block, the pressing surface of the second pressing block, and the pressing surface of the third pressing block have the same inclination.
- the pressing surface of the first pressing block, the pressing surface of the second pressing block, and the pressing surface of the third pressing block are in the same plane as they move toward the foil tab. performing the first pressurization;
- the second pressing block and the third pressing block are the foils in a state in which each pressing surface is coplanar moving toward the tab to perform secondary pressurization; and
- the third pressing block moves toward the foil tab in a state where the positions of the first pressing block and the second pressing block are maintained after performing the (S12) step to perform a third pressing step; may include.
- the step (S1) may be performed using a pair of the forming jigs disposed at opposite ends of the electrode assembly along a winding axis of the electrode assembly.
- the step (S1) may be performed by rotating the pair of forming jigs in opposite directions with respect to the same axis as the winding axis of the electrode assembly.
- the step (S0) may be performed using a pair of the preforming jigs disposed at opposite ends of the electrode assembly along a winding axis of the electrode assembly.
- the process of forming the positive electrode foil tab and/or the negative electrode foil tab of the electrode assembly may be smoothly performed.
- the positive electrode foil tab and/or the negative electrode foil tab of the electrode assembly may be uniformly formed over the entire area from the outer periphery of the electrode assembly to the winding center of the electrode assembly.
- FIG 1 and 2 are views illustrating an electrode assembly in which the forming of the foil tab is completed by the foil tab forming apparatus according to an embodiment of the present invention and a current collector plate coupled to the foil tab.
- FIG 3 is a view for explaining the operation of the pre-forming jig constituting the foil tap forming apparatus according to an embodiment of the present invention.
- FIG. 4 is a view showing a forming jig constituting a foil tap forming apparatus according to an embodiment of the present invention.
- FIG. 5 is a view for explaining the operation of the second pressing block provided in the forming jig shown in FIG.
- FIG. 6 is a view for explaining the first pressing performed by the forming jig shown in FIG. 4 .
- FIG. 7 is a view for explaining the secondary pressing performed by the forming jig shown in FIG. 4 .
- FIG. 8 is a view for explaining a forming process by a forming jig constituting a foil tap forming apparatus according to another embodiment of the present invention.
- FIG. 9 and 10 are views showing an exemplary form of the forming jig of the present invention.
- FIG. 11 is a view showing the orientation of the foil tab formed by the forming jig rotating counterclockwise of the present invention.
- the foil tab forming apparatus of the present invention is an apparatus configured to smoothly form at least one of a positive electrode foil tab and a negative electrode foil tab respectively provided on the upper and lower portions of a jelly roll type electrode assembly.
- the foil tab T includes a first electrode uncoated region extending upward (in a direction parallel to the Z-axis in FIG. 1 ) and/or downward (the Z-axis in FIG. 1 ) in a direction parallel to the winding axis of the electrode assembly (C). It refers to an uncoated region of the second electrode extending in a direction parallel to).
- the electrode assembly (C) has a structure in which a laminate including a first electrode, a second electrode, and a separator interposed between the first electrode and the second electrode is wound with respect to a winding axis.
- the positive electrode has a positive electrode uncoated portion formed at one end of the laminate in the width direction when viewed based on the state before winding of the laminate, and the negative electrode is at the other end of the laminate in the width direction when viewed based on the state before winding of the laminate.
- a negative electrode uncoated region to be formed is provided.
- the electrode assembly (C) is formed by winding a laminate including such a positive electrode and a negative electrode, a positive electrode uncoated region that is an area on which a positive active material is not applied is provided at an upper end of the electrode assembly (C), and a negative electrode active material is not applied on the lower end of the electrode assembly (C). A negative electrode uncoated region is provided.
- An aluminum foil may be used as an electrode plate constituting the anode, and a copper foil may be used as an electrode plate constituting the cathode. Accordingly, in the present specification, the positive electrode uncoated region and the negative electrode uncoated region will be referred to as a foil tab T. Referring to FIG.
- the positive electrode foil tab and the negative electrode foil tab each have a shape extending upward and downward of the electrode assembly C, that is, extending in opposite directions.
- a current collector plate P is coupled to the foil tab T.
- the bonding interface is formed as flat as possible to increase the bonding area between the foil tab (T) and the current collector plate (P). It needs to be expanded as much as possible.
- the foil tab T may be bent so that an end of the foil tab T extends in a direction parallel to the current collecting plate P. For smooth bending, one foil tab continuously formed from the winding center of the electrode assembly C to the outermost shell is notched as shown in FIG. 2 for a plurality of minutes. It is also possible to band after making a section.
- the foil tab forming apparatus of the present invention is configured to smoothly and uniformly bend the foil tab in the entire area around the outer periphery of the electrode assembly (C) and in the entire area from the outer periphery to the winding center of the electrode assembly (C). characterized in that
- the foil tab forming device is a device for forming at least one foil tab T of a positive electrode foil tab and a negative electrode foil tab respectively provided on the upper and lower portions of the electrode assembly C to be.
- the foil tab forming apparatus may include a forming jig 20 configured to perform the forming of the foil tab T, and prior to the forming of the foil tab T by the forming jig 20 .
- -forming may further include a pre-forming jig 10 configured to perform.
- the foil tap forming apparatus of the present invention is described on the premise that it includes both the pre-forming jig 10 and the forming jig 20, but unlike this, the foil tap forming apparatus of the present invention is a pre-forming jig It may be configured not to include (10). Even in this case, as will be described later, the forming jig 20 of the present invention is configured so that intensive forming can be performed with a time difference for each area of the foil tab T, so that it is uniform over the entire area of the foil tab T and Make sure that accurate forming can be done.
- the pre-forming jig 10 is configured to press and bend the foil tab T while moving from the outer periphery of the electrode assembly C toward the winding center of the electrode assembly C.
- the pre-forming jig 10 may be provided as a pair of pre-forming jigs 10 respectively disposed at opposite ends of the electrode assembly C along the winding axis of the electrode assembly C.
- the pre-forming jig 10 may include a plurality of shutter blocks 11 .
- the plurality of shutter blocks 11 are disposed along the periphery of the outer periphery of the electrode assembly C and are configured to bend the foil tab T by moving in a direction toward the winding center of the electrode assembly C.
- the shutter block 11 may have a shape in which a surface facing the foil tab T is inclined upward in a direction from the outer periphery of the electrode assembly C toward the winding center of the electrode assembly C. That is, each shutter block 11 may have an upwardly inclined surface such that the thickness of the shutter block 11 decreases from the outside to the inside.
- the forming jig 20 moves along a direction parallel to the winding axis of the electrode assembly C and pre-forming is completed by the pre-forming jig 10 is a foil tab. (T) is configured to pressurize.
- the forming jig 20 may have, for example, a substantially cylindrical shape.
- the forming jig 20 may be provided as a pair of forming jigs disposed at opposite ends of the electrode assembly C along the winding axis of the electrode assembly C.
- the forming jig 20 may have a width equal to or greater than a diameter of the electrode assembly (C). This is to enable the entire area of the foil tab T to be formed when pressing using the forming jig 20 .
- the forming jig 20 may be configured to rotate about the same axis as the winding axis of the electrode assembly (C).
- the pair of forming jigs 20 rotate in opposite directions. can be
- the forming jig 20 may be configured to simultaneously perform an operation of pressing the foil tab T and an operation of rotating.
- the foil tab T When pressing and rotating are performed together, more smooth and natural bending is possible.
- the rotation direction of the forming jig 20 is clockwise, the foil tab T may be oriented in the clockwise direction (see FIG. 2 ).
- the rotation direction of the forming jig 20 is counterclockwise, the foil tab T may be oriented counterclockwise (see FIG. 11 ).
- the forming jig 20 may have a shape in which a surface facing the foil tab T is inclined upward in a direction from the outer periphery of the electrode assembly C toward the winding center. That is, the forming jig 20 may have an upwardly inclined surface such that the thickness of the forming jig 20 decreases from the outside toward the center. Due to the structure of the forming jig 20, excessive force is applied to the foil tab T when the foil tab T is pressed, thereby preventing the electrode assembly C from being damaged, and natural bending can be achieved. .
- the forming jig 20 may include a first pressing block 21 and a second pressing block 22 .
- the first pressing block 21 is provided at a position corresponding to the first region relatively adjacent to the outer periphery of the electrode assembly C among the foil tabs T.
- the second pressing block 22 is provided at a position corresponding to a second region of the foil tab T that is relatively adjacent to the winding center of the electrode assembly C.
- the second pressing block 22 has a shape similar to a cylinder having an empty center
- the first pressing block 21 is the second pressing block 22 . It may be disposed in the empty center of the pressing block 22 .
- the pressing surface of the first pressing block 21 and the pressing surface of the second pressing block 22 may have approximately the same inclination.
- the pressing surface of the first pressing block 21 and the pressing surface of the second pressing block 22 may be substantially coplanar with each other. That is, the pressing surface of the first pressing block 21 and the pressing surface of the second pressing block 22 may be connected to each other to define a surface of the forming jig 20 facing the foil tab T.
- the first pressing block 21 and the second pressing block 22 may be configured to be independently movable in a direction parallel to the winding axis of the electrode assembly C (a direction parallel to the Z axis).
- the second pressing block 22 may additionally move in a direction toward the foil tab T while the first pressing block 21 is stopped.
- the forming jig 20 is a foil tab (T) together in a state in which the pressing surface of the first pressing block 21 and the pressing surface of the second pressing block 22 are in the same plane. ) can be configured to move toward and perform the primary pressurization.
- the second pressing block 22 presses the foil tab T in a state in which the position of the first pressing block 21 is maintained after performing the above-described first pressing. It may be configured to move further toward and perform secondary pressurization.
- the forming jig 20 includes a plurality of pressing blocks 21 and 22, and additional pressing is performed using the pressing block 22 located in the more central portion, more sophisticated forming can be achieved.
- the bending point of the foil tab T during pressing is toward the end of the foil tab T from the outer periphery of the electrode assembly C toward the winding center.
- the deviation of such a bending point can be reduced.
- the lowermost end 22a of the second press block 22 is the lowermost end 21a of the first press block 21 and It may be located at the same height or may be configured to be located higher. This is because, when the pressure by the second pressing block 22 is made too deep, the bending position deviation at the boundary point between the first pressing block 21 and the second pressing block 22 may become excessively large.
- the first pressing block 21 and the second pressing block 22 may be configured to rotate together or independently with respect to the same axis as the winding axis of the electrode assembly (C). That is, the first pressing block 21 and the second pressing block 22 may be connected together to one driving means to rotate, or may be manually connected to separate driving means to rotate independently.
- the first pressing block 21 and the second pressing block 22 move toward the foil tab T with their respective pressing surfaces substantially coplanar with each other, and press and rotate the foil tab T.
- Forming of the first area of the foil tab T may be intensively performed by the first forming.
- the forming of the second area may also be performed while the intensive forming of the first area is performed.
- the second region of the foil tab T may be intensively formed by the secondary forming. Even while the intensive forming of the second area is performed, the forming of the second area may also be continuously performed.
- Whether or not the forming of the remaining area is continued while the intensive forming of any one of the first area and the second area is performed is determined in the vertical direction (parallel to the Z axis) position of the forming jig 20 . can be determined accordingly.
- the forming jig 30 having three pressing blocks 31 , 32 , 33 is shown, unlike the forming jig 20 shown in FIGS. 4 to 7 .
- the number of pressing blocks 21, 22, 31, 32, 33 included in the forming jigs 20 and 30 is not limited to two or three, and a larger number of pressing blocks for more sophisticated forming. This may be provided.
- the first pressing block 31 may be provided at a position corresponding to the first region relatively adjacent to the outer periphery of the electrode assembly C among the foil tabs T.
- the third pressing block 33 may be provided at a position corresponding to the third region of the foil tab T on the core side of the electrode assembly C, that is, adjacent to the winding center.
- the second pressing block 32 may be provided at a position corresponding to a second area between the first area and the third area among the foil tabs T.
- Each of the first pressing block 31 , the second pressing block 32 , and the third pressing block 33 may have substantially the same inclination. Accordingly, the first pressing block 31 , the second pressing block 32 , and the third pressing block 33 each have an inclined surface to define a surface of the forming jig 30 facing the foil tab T.
- the forming jig 30 when the forming jig 30 includes a first pressing block 31 , a second pressing block 32 and a third pressing block 33 , three pressing blocks 31 and 32 , 33) may move and rotate toward the foil tab T in a state in which the pressing surfaces are substantially coplanar with each other to form the foil tab T (primary forming).
- Forming of the first area of the foil tab T may be intensively performed by this primary forming.
- the second pressing block 32 and the third pressing block 33 are similarly pressed and rotated by additional movement while maintaining a state in which each pressing surface is approximately flush with each other.
- the foil tab T (secondary forming).
- second forming forming of the second area of the foil tab T may be intensively performed.
- the rotational state of the first pressing block 31 may be continuously maintained, and thus, the forming of the first region and the third region may also be continuously performed while the forming of the second region is intensively performed.
- the third pressing block 33 may perform additional movement after additional pressing by the second pressing block 32 is performed to perform pressing and rotation to form the foil tab T (tertiary forming). have.
- the third region of the foil tab T may be intensively formed by the third forming.
- the rotational state of the first pressing block 31 and the second pressing block 33 may be continuously maintained, whereby the first and second regions are formed in the first region and the second region while the forming of the third region is intensively progressed. Forming for the can also be made continuously.
- the vertical direction of the forming jig 20 (parallel to the Z-axis) is determined whether or not the forming of the remaining areas is continued while the intensive forming of any one of the first area, the second area, and the third area is performed. direction) can be determined depending on the location.
- the pre-forming jig 10 may include, for example, a shutter frame 12 having a plurality of slots 14 .
- Each shutter block 11 may be supported in a corresponding slot 14 by a guide member 16 extending therethrough.
- the guide member 16 is movable in the slot 14 as the shutter frame 12 rotates about an axis parallel to the winding axis of the electrode assembly C.
- the slot 14 may have a curved shape so that the shutter block 11 can easily move toward and away from the winding axis of the electrode assembly C.
- the overall movement of the shutter block 11 may be similar to opening and closing of the iris, for example.
- the shutter block 11 is coupled to the shutter frame 12 and moves in a direction toward the electrode assembly C disposed in the empty space formed in the center of the shutter frame 12 and the electrode assembly C). It may be configured to perform an open operation moving in a direction away from the . Meanwhile, the shutter block 11 may be opened/closed by rotation of the shutter frame 12 , or may be opened/closed by moving the guide member 16 in the extending direction of the slot 14 .
- the foil tab forming method of the present invention is a method of forming the foil tab T of the electrode assembly C by the foil tab forming apparatus of the present invention as described above.
- the foil tab forming method of the present invention is a method of forming.
- the foil tab forming method is a method of forming a foil tab (T) of an electrode assembly (C) having an outer periphery and a winding center defining a winding axis, (S1) an electrode assembly (C) using a forming jig (20) ) by pressing and bending the foil tab (T) in a direction parallel to the winding axis.
- (S0) the foil tab (T) in a direction from the outer periphery of the electrode assembly (C) to the winding center of the electrode assembly (C) by using the pre-forming jig (10) prior to the step (S1). ) by pressing and bending; may further include.
- the step (S1) may be a step of additionally bending the foil tab T by pressing the foil tab T that has been pre-formed according to the step (S0).
- a plurality of shutter blocks 11 arranged along the periphery of the outer periphery of the electrode assembly C and moving along the direction toward the winding center of the electrode assembly C to bend the foil tab T. It can be performed using a pre-forming jig 10 having a.
- the surface facing the foil tab T is preforming having a plurality of shutter blocks 11 having an upwardly inclined shape in a direction from the outer periphery of the electrode assembly C toward the winding center. This may be performed using a jig 10 .
- the step (S0) may be performed using a pair of the preforming jigs 10 disposed at opposite ends of the electrode assembly C along the winding axis of the electrode assembly C.
- It may be a step of performing preforming with respect to .
- the pre-forming of the first foil tab and the pre-forming of the second foil tab may be performed simultaneously or with a time difference.
- the step (S1) may be performed using the forming jig 20 having a width equal to or greater than the diameter of the electrode assembly (C).
- the step (S1) may be performed using the forming jig 20 configured to rotate about the same axis as the winding axis of the electrode assembly (C).
- the step (S1) may be performed using the forming jig 20 configured to simultaneously perform the operation of pressing the foil tab T and the operation of rotating.
- the forming jig 20 may be rotated clockwise so that the foil tab T is oriented in the clockwise direction.
- the forming jig 20 may rotate in a counterclockwise direction so that the foil tab T is oriented in a counterclockwise direction.
- the step (S1) may be performed by the forming jig 20 in which the surface facing the foil tab T is inclined upward from the outer periphery of the electrode assembly C toward the winding center.
- the first pressing block 21 and the foil tab T are provided at a position corresponding to the first region relatively adjacent to the outer periphery of the electrode assembly C among the foil tabs T.
- This may be performed by the forming jig 20 including the second pressing block 22 provided at a position corresponding to the second region adjacent to the winding center of the electrode assembly C.
- the step (S1) may be performed by the forming jig 20 in which the pressing surface of the first pressing block 21 and the pressing surface of the second pressing block 22 have the same inclination.
- the step (S1) is performed by a forming jig 20 configured such that the first pressing block 21 and the second pressing block 22 are independently movable along a direction parallel to the winding axis of the electrode assembly C. can be
- step (S1), (S11) the pressing surface of the first pressing block 21 and the pressing surface of the second pressing block 22 are in the same plane and move together toward the foil tab to perform the primary pressing performing; and (S12) the second pressing block 22 moves further toward the foil tab T in a state in which the position of the first pressing block 21 is maintained after performing the (S21) step to perform the secondary pressing performing; may include.
- the lowest end (22a) of the second pressing block after performing the steps (S11) and (S12) is located at the same height as the lowest end (21a) of the first pressing block 21 or higher can be located
- the step (S1) may be performed by rotating the first pressing block 21 and the second pressing block 22 together or independently with respect to the winding axis and the same axis.
- the first pressing block 31, the foil tab ( A third pressing block 33 provided at a position corresponding to a third region relatively adjacent to the winding center of the electrode assembly C among T), and the first region and the third region of the foil tab T It may be performed by the forming jig 30 including the second pressing block 32 provided in the region corresponding to the second region between the regions.
- the pressing surface of the first pressing block 31, the pressing surface of the second pressing block 32, and the pressing surface of the third pressing block 33 are forming jigs having approximately the same inclination. (20) can be carried out.
- the pressing surface of the first pressing block 31, the pressing surface of the second pressing block 32, and the pressing surface of the third pressing block 33 are the same performing the first pressing by moving toward the foil tab (T) together in a planar state;
- the second pressing block 32 and the third pressing block 33 are each pressing surface performing secondary pressing by moving toward the foil tab (T) in the same plane state;
- the third pressing block 33 is moving toward T) to perform a third pressurization;
- the step (S1) may be performed using a pair of the forming jigs 20 disposed at opposite ends of the electrode assembly C along the winding axis of the electrode assembly C. That is, in the step (S1), a first foil tab (first polarity) and a second foil tab (second polarity) respectively provided at both ends in the height direction (parallel to the Z-axis) of the electrode assembly C, respectively It may be a step of performing forming with respect to . In this case, step (S1) may be performed by rotating the pair of forming jigs 20 in opposite directions with respect to the same axis as the winding axis of the electrode assembly (C). The forming for the first foil tab and the forming for the second foil tab may be performed simultaneously or with a time difference.
- a plurality of foil tabs T of the electrode assembly C are formed along the substantially radial direction of the electrode assembly C. Efficient and accurate forming is possible by dividing into regions and individually intensive forming for each region. Furthermore, according to the foil tab forming apparatus of the present invention and/or the foil tab forming method of the present invention, a method in which rotation and pressing are performed simultaneously may be applied, and thus forming may be performed more smoothly.
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Abstract
Description
Claims (41)
- 외주부 및 권취 축을 정의하는 권취 중심부를 구비하는 전극 조립체의 포일 탭을 포밍하는 포일 탭 포밍 장치로서,상기 전극 조립체의 권취 축과 나란한 방향을 따라 이동하여 상기 포일 탭을 가압하도록 구성되는 포밍 지그를 포함하는 포일 탭 포밍 장치.
- 제1항에 있어서,상기 포일 탭 포밍 장치는,상기 전극 조립체의 외주부로부터 상기 전극 조립체의 권취 중심부를 향하는 방향으로 이동하면서 상기 포일 탭을 가압하여 밴딩시키도록 구성되는 프리 포밍 지그;를 더 포함하고,상기 포밍 지그는, 상기 프리 포밍 지그에 의해 1차 밴딩이 완료된 포일 탭을 가압하도록 구성되는 것을 특징으로 하는 포일 탭 포밍 장치.
- 제2항에 있어서,상기 프리 포밍 지그는,전극 조립체의 외주부 둘레를 따라 배치되며, 상기 젤리롤의 권취 중심부를 향하는 방향을 따라 이동하여 상기 포일 탭을 밴딩시키는 복수의 셔터 블록을 포함하는 것을 특징으로 하는 포일 탭 포밍 장치.
- 제3항에 있어서,상기 셔터 블록은,상기 포일 탭과 마주보는 면이 상기 전극 조립체의 외주부로부터 상기 권취 중심부를 향하는 방향을 따라 상향 경사진 형태를 갖는 것을 특징으로 하는 포일 탭 포밍 장치.
- 제1항에 있어서,상기 포밍 지그는,상기 전극 조립체의 직경과 동일하거나 더 큰 폭을 갖는 것을 특징으로 하는 포일 탭 포밍 장치.
- 제1항에 있어서,상기 포밍 지그는,상기 전극 조립체의 권취 축과 동축을 기준으로 하여 회전하도록 구성되는 것을 특징으로 하는 포일 탭 포밍 장치.
- 제6항에 있어서,상기 포밍 지그는,시계 방향 또는 반시계 방향을 회전하도록 구성되는 것을 특징으로 하는 포일 탭 포밍 장치.
- 제6항에 있어서,상기 포밍 지그는,상기 포일 탭을 가압하는 동작 및 회전하는 동작을 함께 수행하도록 구성되는 것을 특징으로 하는 포일 탭 포밍 장치.
- 제1항에 있어서,상기 포밍 지그는,상기 포일 탭과 마주보는 면이 상기 전극 조립체의 외주부로부터 상기 권취 중심부를 향하는 방향을 따라 상향 경사진 형태를 갖는 것을 특징으로 하는 포일 탭 포밍 장치.
- 제9항에 있어서,상기 포밍 지그는,상기 포일 탭 중 상대적으로 상기 전극 조립체의 외주부에 인접한 제1 영역과 대응되는 위치에 구비되는 제1 가압 블록; 및상기 포일 탭 중 상대적으로 상기 전극 조립체의 권취 중심에 인접한 제2 영역과 대응되는 위치에 구비되는 제2 가압 블록;을 포함하는 것을 특징으로 하는 포일 탭 포밍 장치.
- 제10항에 있어서,상기 제1 가압 블록의 가압 면과 상기 제2 가압 블록의 가압 면은 동일한 경사도를 가지며, 상기 포일 탭과 마주보는 상기 포밍 지그의 면을 정의하는 것을 특징으로 하는 포일 탭 포밍 장치.
- 제10항에 있어서,상기 제1 가압 블록과 상기 제2 가압 블록은,상기 전극 조립체의 권취 축과 나란한 방향을 따라 독립적으로 이동 가능하도록 구성되는 것을 특징으로 하는 포일 탭 포밍 장치.
- 제11항에 있어서,상기 포밍 지그는,상기 제1 가압 블록의 가압 면과 상기 제2 가압 블록의 가압 면이 동일 평면을 이룬 상태로 함께 상기 포일 탭을 향해 이동하여 1차 가압을 수행한 후, 상기 제1 가압 블록의 위치는 그대로 유지되는 상태에서 상기 제2 가압 블록이 상기 포일 탭을 향해 더 이동하여 2차 가압을 수행하도록 구성되는 것을 특징으로 하는 포일 탭 포밍 장치.
- 제13항에 있어서,상기 포밍 지그는,상기 1차 가압 및 제2차 가압이 완료된 이 후, 상기 제2 가압 블록의 최 하단부가 상기 제1 가압 블록의 최 하단부와 동일한 높이에 위치하거나 또는 더 높게 위치하도록 구성되는 것을 특징으로 하는 포일 탭 포밍 장치.
- 제10항에 있어서,상기 제1 가압 블록과 상기 제2 가압 블록은,상기 권취 축과 동축을 기준으로 하여 함께 또는 독립적으로 회전하도록 구성되는 것을 특징으로 하는 포일 탭 포밍 장치.
- 제9항에 있어서,상기 포밍 지그는,상기 포일 탭 중 상대적으로 상기 전극 조립체의 외주부에 인접한 제1 영역과 대응되는 위치에 구비되는 제1 가압 블록;상기 포일 탭 중 상대적으로 상기 전극 조립체의 권취 중심부에 인접한 제3 영역과 대응되는 위치에 구비되는 제3 가압 블록; 및상기 포일 탭 중 상기 제1 영역과 상기 제3 영역의 사이에 있는 제2 영역과 대응되는 위치에 구비되는 제2 가압 블록;을 포함하는 것을 특징으로 하는 포일 탭 포밍 장치.
- 제1항에 있어서,상기 포밍 지그는,상기 전극 조립체의 권취 축을 따라 상기 전극 조립체의 서로 반대측 양 단부에 배치되는 한 쌍의 포밍 지그로서 제공되는 것을 특징으로 하는 포일 탭 포밍 장치.
- 제17항에 있어서,상기 한 쌍의 포밍 지그는,상기 전극 조립체의 권취 축과 동축을 기준으로 하여 서로 반대 방향으로 회전하는 것을 특징으로 하는 포일 탭 포밍 장치.
- 제2항에 있어서,상기 프리 포밍 지그는,상기 전극 조립체의 권취 축을 따라 상기 전극 조립체의 서로 반대측 양 단부에 배치되는 한 쌍의 프리 포밍 지그로서 제공되는 것을 특징으로 하는 포일 탭 포밍 장치.
- 외주부 및 권취 축을 정의하는 권취 중심부를 구비하는 전극 조립체의 포일 탭을 포밍하는 포일 탭 포밍 방법으로서,(S1) 포밍 지그를 이용하여 상기 전극 조립체의 권취 축과 나란한 방향을 따라 상기 포일 탭을 가압하여 상기 포일 탭을 밴딩시키는 단계;를 포함하는 포일 탭 포밍 방법.
- 제20항에 있어서,상기 포일 탭 포밍 방법은,(S0) 상기 (S1) 단계에 앞서 프리 포밍 지그로 상기 전극 조립체의 외주부로부터 상기 전극 조립체의 권취 중심부를 향하는 방향으로 상기 포일 탭을 가압하여 밴딩시키는 단계;를 더 포함하고,상기 (S1) 단계는, 상기 (S0) 단계에 따라 프리 포밍이 완료된 포일 탭을 가압하여 상기 포일 탭을 추가적으로 밴딩시키는 단계인 것을 특징으로 하는 포일 탭 포밍 방법.
- 제21항에 있어서,상기 (S0) 단계는,상기 전극 조립체의 외주부 둘레를 따라 배치되며, 상기 전극 조립체의 권취 중심부를 향하는 방향을 따라 이동하여 상기 포일 탭을 밴딩시키는 복수의 셔터 블록을 구비하는 상기 프리 포밍 지그를 이용하여 수행되는 것을 특징으로 하는 포일 탭 포밍 방법.
- 제22항에 있어서,상기 (S0) 단계는,상기 포일 탭과 마주보는 면이 상기 전극 조립체의 외주부로부터 상기 권취 중심부를 향하는 방향을 따라 상향 경사진 형태를 갖는 복수의 셔터 블록을 구비하는 프리 포밍 지그를 이용하여 수행되는 것을 특징으로 하는 포일 탭 포밍 방법.
- 제20항에 있어서,상기 (S1) 단계는,상기 전극 조립체의 직경과 동일하거나 더 큰 폭을 갖는 포밍 지그를 이용하여 수행되는 것을 특징으로 하는 포일 탭 포밍 방법.
- 제20항에 있어서,상기 (S1) 단계는,상기 전극 조립체의 권취 축과 동축을 기준으로 하여 회전하도록 구성된 포밍 지그를 이용하여 수행되는 것을 특징으로 하는 포일 탭 포밍 방법.
- 제20항에 있어서,상기 (S1) 단계는,상기 포일 탭을 가압하는 동작 및 회전하는 동작을 함께 수행하도록 구성된 포밍 지그를 이용하여 수행되는 것을 특징으로 하는 포일 탭 포밍 방법.
- 제26항에 있어서,상기 (S1) 단계에 있어서,상기 포밍 지그는 시계 방향으로 회전하여 상기 포일 탭이 시계 방향으로 배향도록 하는 것을 특징으로 하는 포일 탭 포밍 방법.
- 제26항에 있어서,상기 (S1) 단계에 있어서,상기 포밍 지그는 반시계 방향으로 회전하여 상기 포일 탭이 반시계 방향으로 배향되도록 하는 것을 특징으로 하는 포일 탭 포밍 방법.
- 제20항에 있어서,상기 (S1) 단계는,상기 포일 탭과 마주보는 면이 상기 전극 조립체의 외주부로부터 상기 권취 중심부를 향하는 방향을 따라 상향 경사진 형태를 갖는 포밍 지그에 의해 수행되는 것을 특징으로 하는 포일 탭 포밍 방법.
- 제29항에 있어서,상기 (S1) 단계는,상기 포일 탭 중 상대적으로 상기 전극 조립체의 외주부에 인접한 제1 영역과 대응되는 위치에 구비되는 제1 가압 블록 및 상기 포일 탭 중 상대적으로 상기 전극 조립체의 권취 중심에 인접한 제2 영역과 대응되는 위치에 구비되는 제2 가압 블록을 포함하는 포밍 지그에 의해 수행되는 것을 특징으로 하는 포일 탭 포밍 방법.
- 제30항에 있어서,상기 (S1) 단계는,상기 제1 가압 블록의 가압 면과 상기 제2 가압 블록의 가압 면이 동일한 경사도를 갖는 포밍 지그에 의해 수행되는 것을 특징으로 하는 포일 탭 포밍 방법.
- 제30항에 있어서,상기 (S1) 단계는,상기 제1 가압 블록과 제2 가압 블록이 상기 전극 조립체의 권취 축과 나란한 방향을 따라 독립적으로 이동 가능하도록 구성된 포밍 지그에 의해 수행되는 것을 특징으로 하는 포일 탭 포밍 방법.
- 제31항에 있어서,상기 (S1) 단계는,(S11) 상기 제1 가압 블록의 가압 면과 상기 제2 가압 블록의 가압 면이 동일 평면을 이룬 상태로 함께 포일 탭을 향해 이동하여 1차 가압을 수행하는 단계; 및(S12) 상기 (S11) 단계의 수행 이 후에 상기 제1 가압 블록의 위치는 그대로 유지되는 상태에서 상기 제2 가압 블록이 상기 포일 탭을 향해 더 이동하여 2차 가압을 수행하는 단계;를 포함하는 것을 특징으로 하는 포일 탭 포밍 방법.
- 제33항에 있어서,상기 (S11) 단계 및 상기 (S12) 단계의 수행 이 후, 상기 제2 가압 블록의 최 하단부는 상기 제1 가압 블록의 최 하단부와 동일한 높이에 위치하거나 또는 더 높게 위치하는 것을 특징으로 하는 포일 탭 포밍 방법.
- 제30항에 있어서,상기 (S1) 단계는,상기 제1 가압 블록과 제2 가압 블록이 상기 권취 축과 동축을 기준으로 하여 함께 또는 독립적으로 회전함으로써 수행되는 것을 특징으로 하는 포일 탭 포밍 방법.
- 제29항에 있어서,상기 (S1) 단계는,상기 포일 탭 중 상대적으로 상기 전극 조립체의 외주부에 인접한 제1 영역과 대응되는 위치에 구비되는 제1 가압 블록, 상기 포일 탭 중 상대적으로 상기 전극 조립체의 권취 중심부에 인접한 제3 영역과 대응되는 위치에 구비되는 제3 가압 블록, 및 상기 포일 탭 중 상기 제1 영역과 상기 제3 영역 사이에 있는 제2 영역과 대응되는 영역에 구비되는 제2 가압 블록을 포함하는 포밍 지그에 의해 수행되는 것을 특징으로 하는 포일 탭 포밍 방법.
- 제36항에 있어서,상기 (S1) 단계는,상기 제1 가압 블록의 가압 면, 상기 제2 가압 블록의 가압 면 및 상기 제3 가압 블록의 가압 면이 동일한 경사도를 갖는 포밍 지그에 의해 수행되는 것을 특징으로 하는 포일 탭 포밍 방법.
- 제37항에 있어서,상기 (S1) 단계는,(S11) 상기 제1 가압 블록의 가압 면, 상기 제2 가압 블록의 가압 면 및 상기 제3 가압 블록의 가압 면이 동일 평면을 이룬 상태로 함께 포일 탭을 향해 이동하여 1차 가압을 수행하는 단계;(S12) 상기 (S11) 단계의 수행 이 후에 상기 제1 가압 블록의 위치는 그대로 유지되는 상태에서 상기 제2 가압 블록 및 상기 제3 가압 블록은 각각의 가압 면이 동일 평면을 이룬 상태에서 상기 포일 탭을 향해 이동하여 2차 가압을 수행하는 단계; 및(S13) 상기 (S12) 단계의 수행 이 후에 상기 제1 가압 블록 및 제2 가압 블록의 위치는 그대로 유지되는 상태에서 상기 제3 가압 블록이 상기 포일 탭을 향해 이동하여 3차 가압을 수행하는 단계;를 포함하는 것을 특징으로 하는 포일 탭 포밍 방법.
- 제20항에 있어서,상기 (S1) 단계는,상기 전극 조립체의 권취 축을 따라 상기 전극 조립체의 서로 반대측 양 단부에 배치되는 한 쌍의 상기 포밍 지그를 이용하여 수행되는 것을 특징으로 하는 포일 탭 포밍 방법.
- 제39항에 있어서,상기 (S1) 단계는,상기 한 쌍의 포밍 지그를 상기 전극 조립체의 권취 축과 동축을 기준으로 하여 서로 반대 방향으로 회전시킴으로써 수행되는 것을 특징으로 하는 포일 탭 포밍 방법.
- 제21항에 있어서,상기 (S0) 단계는,상기 전극 조립체의 권취 축을 따라 상기 전극 조립체의 서로 반대측 양 단부에 배치되는 한 쌍의 상기 프리 포밍 지그를 이용하여 수행되는 것을 특징으로 하는 포일 탭 포밍 방법.
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000040502A (ja) * | 1998-05-04 | 2000-02-08 | Saft America Inc | 電気化学セル及び電気化学セルの製造方法 |
JP2001118562A (ja) * | 1999-10-20 | 2001-04-27 | Sony Corp | リードフォ−ミング方法 |
KR100599710B1 (ko) * | 2004-07-28 | 2006-07-12 | 삼성에스디아이 주식회사 | 이차 전지와 이에 사용되는 전극 조립체 및 이차 전지제조 방법 |
JP2006310254A (ja) * | 2005-03-31 | 2006-11-09 | Sanyo Electric Co Ltd | 電池の製造方法 |
JP2008262898A (ja) * | 2007-04-11 | 2008-10-30 | Saft Groupe Sa | 電気化学的セル及びその製造方法 |
KR20210030278A (ko) | 2018-07-11 | 2021-03-17 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 발광 디바이스, 표시 장치, 전자 기기, 유기 화합물, 및 조명 장치 |
KR20210137853A (ko) | 2020-05-11 | 2021-11-18 | 주식회사 상남 | 탄소 섬유 발열체 및 이를 포함하는 전기 보일러 |
-
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- 2022-03-08 CN CN202220504819.1U patent/CN217570440U/zh active Active
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- 2022-03-08 KR KR1020220029319A patent/KR20220126246A/ko unknown
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000040502A (ja) * | 1998-05-04 | 2000-02-08 | Saft America Inc | 電気化学セル及び電気化学セルの製造方法 |
JP2001118562A (ja) * | 1999-10-20 | 2001-04-27 | Sony Corp | リードフォ−ミング方法 |
KR100599710B1 (ko) * | 2004-07-28 | 2006-07-12 | 삼성에스디아이 주식회사 | 이차 전지와 이에 사용되는 전극 조립체 및 이차 전지제조 방법 |
JP2006310254A (ja) * | 2005-03-31 | 2006-11-09 | Sanyo Electric Co Ltd | 電池の製造方法 |
JP2008262898A (ja) * | 2007-04-11 | 2008-10-30 | Saft Groupe Sa | 電気化学的セル及びその製造方法 |
KR20210030278A (ko) | 2018-07-11 | 2021-03-17 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 발광 디바이스, 표시 장치, 전자 기기, 유기 화합물, 및 조명 장치 |
KR20210137853A (ko) | 2020-05-11 | 2021-11-18 | 주식회사 상남 | 탄소 섬유 발열체 및 이를 포함하는 전기 보일러 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024008349A1 (de) * | 2022-07-08 | 2024-01-11 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren und bearbeitungsvorrichtung zum herstellen einer speicherzelle für einen elektrischen energiespeicher, insbesondere eines kraftfahrzeugs, sowie verwendung einer bearbeitungsvorrichtung |
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