WO2023075328A1 - 전극 조립체 폴딩 장치 및 이에 의한 폴딩 방법 - Google Patents
전극 조립체 폴딩 장치 및 이에 의한 폴딩 방법 Download PDFInfo
- Publication number
- WO2023075328A1 WO2023075328A1 PCT/KR2022/016248 KR2022016248W WO2023075328A1 WO 2023075328 A1 WO2023075328 A1 WO 2023075328A1 KR 2022016248 W KR2022016248 W KR 2022016248W WO 2023075328 A1 WO2023075328 A1 WO 2023075328A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- unit
- electrode assembly
- holding
- stack
- unit body
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 53
- 238000001514 detection method Methods 0.000 claims description 99
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 description 23
- 238000010586 diagram Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000012546 transfer Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/02—Folding limp material without application of pressure to define or form crease lines
- B65H45/06—Folding webs
- B65H45/10—Folding webs transversely
-
- 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
- H01M10/0459—Cells or batteries with folded separator between 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
-
- 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
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0583—Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/72—Fuel cell manufacture
-
- 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
- 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 an electrode assembly folding device and a folding method using the same, and more particularly, to an electrode assembly folding device that simplifies an electrode assembly folding process and a folding method using the same.
- a secondary battery capable of charging and discharging is a method for solving air pollution such as existing gasoline vehicles using fossil fuels, electric vehicles (EVs), hybrid electric vehicles (HEVs), plug-in hybrid electric vehicles ( P-HEV), etc., the need for development of secondary batteries is increasing.
- secondary batteries are classified into cylindrical batteries and prismatic batteries in which the electrode assembly is embedded in a cylindrical or prismatic metal can, and pouch-type batteries in which the electrode assembly is embedded in a pouch-type case made of an aluminum laminate sheet. .
- secondary batteries are also classified according to the structure of the electrode assembly having a laminated structure of a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode.
- a jelly-roll type (wound type) electrode assembly having a structure in which long sheet-type positive and negative electrodes are wound with a separator interposed therebetween, and a plurality of positive and negative electrodes cut in units of a predetermined size with a separator interposed therebetween and stacked (stacked) electrode assemblies sequentially stacked.
- a stack/folding type electrode assembly which is a mixture of the jelly-roll type and stack type, has been developed.
- a plurality of bi-cells formed by sequentially stacking a cathode, a separator, and an anode are manufactured, stacked, or attached to a sheet-type separator, and then formed into a sheet-type separator.
- a method of folding the separator in one direction was used.
- the bi-cell since the bi-cell is pre-manufactured and then attached to the sheet-type separator and stacked, the manufacturing procedure is complicated, and since the sheet-type separator is overlapped in several layers on the side of the final battery cell, an unnecessary gap between the electrode and the separator There was a problem with space.
- the zigzag stacking method is a method of stacking electrode assemblies in which a positive electrode and a negative electrode are alternately inserted while a separator unwound from a rolled roll moves from one side to the other side and from the other side to one side.
- the zigzag stacking method there is a problem of separately storing the cut electrodes, and there is a risk that the inserted electrodes may be moved during the stacking process.
- An object to be solved by the present invention is to provide an electrode assembly folding device and a folding method thereof capable of improving manufacturing efficiency and product quality by simplifying a conventional electrode assembly folding process.
- An apparatus for folding an electrode assembly in a zigzag form includes: two sheet-type separators, a second electrode continuously positioned between the inner surfaces of the separators facing each other, and vertically on the outer surfaces of the two separators.
- a supply unit supplying the electrode assembly including alternately positioned first electrodes, wherein a first unit unit having the first electrode on an upper surface and a second unit unit having the first electrode located on a lower surface are alternately connected; a holding unit that holds and transfers the first unit body supplied from the supply unit; and a stack unit in which the first units transported by the holding unit are stacked.
- the holding unit after seating the transferred first unit body on the stack unit, may ascend and move toward the supply unit and then descend to a position holding the following first unit body.
- the holding unit circularly moves in a path including the first position and the second position, the first position is a position where the first unit body is stacked on the stack unit, and the second position is the position where the holding unit is stacked. It may be a position for holding the first unit body supplied from the supply unit.
- the holding unit may rotate counterclockwise.
- the holding unit may rotate clockwise.
- the holding unit includes a first holding unit for transporting the k-th first unit body and a second holding unit for transporting the k+1-th first unit body,
- the second holding unit holds the k+1-th first unit body, and k may be a natural number.
- the holding unit may be attached to an upper surface of the first electrode of the first unit body.
- the holding unit may be a suction device using a gas suction method.
- the holding unit may include a tubular suction line, and a plurality of suction holes may be provided in the suction line.
- the plurality of suction holes may be disposed in a direction extending in a width direction of the electrode assembly.
- the stack unit descends, so that a gap between the first unit body previously transported and the second unit body adjacent thereto and between the second unit body and the first unit body to be transferred is increased. They may be folded in opposite directions to each other.
- the stack unit may rise again so that the transferred first unit is stacked on the existing stack.
- a detection unit for detecting the position of the first unit body may be included.
- At least one of the stack unit and the first unit moves or rotates in the conveying direction of the electrode assembly or in the width direction of the electrode assembly, so that the stack A unit and the first unit body may be aligned with each other.
- At least one of the holding unit and the first unit moves or rotates in the conveying direction of the electrode assembly or in the width direction of the electrode assembly, so that the holding unit A unit and the first unit body may be aligned with each other.
- the detection unit includes a first detection unit and a second detection unit, the first detection unit is located above the first position, the second detection unit is located above the second position, and the first position is located above
- the first unit body may be a position at which the stack unit is stacked, and the second position may be a position at which the holding unit holds the first unit body.
- a method of folding an electrode assembly according to another embodiment of the present invention in a zigzag form includes: two sheet-type separators, a second electrode continuously positioned between inner surfaces of the separators facing each other, and vertically on the outer surfaces of the two separators.
- the holding unit includes a first holding unit for transporting the k-th first unit body and a second holding unit for transporting the k+1-th first unit unit, and after the k-th first unit unit is stacked on the stack unit, , the second holding unit holds the k+1th first unit body, and k may be a natural number.
- the stack unit descends, so that a gap between the first unit body previously transported and the second unit body adjacent thereto and between the second unit body and the first unit body to be transferred is increased.
- the stack units may rise again so that they are folded in opposite directions and the transported first unit is stacked on the existing stack.
- detecting position information of the first unit units by a detection unit Prior to the stacking of the first unit bodies, detecting position information of the first unit units by a detection unit, and adjusting the position of the stack units based on the position information of the first unit units by the detection unit. Further steps may be included.
- the electrode assembly folding apparatus and folding method according to the present invention apply a horizontal zigzag stacking method to prevent movement of electrodes in the stacking process, reduce the scale of process equipment, and speed up the production of electrode assemblies. can maximize
- FIG. 1 is a conceptual diagram illustrating a zigzag stacking method of electrode assemblies in the present invention.
- FIG. 2 is a side view of an electrode assembly folding device according to an embodiment of the present invention.
- FIG. 3 is a diagram illustrating an operation of the holding unit according to FIG. 2 .
- FIG. 4 is a diagram illustrating operations of a holding unit and a stack unit in an electrode assembly folding apparatus according to an embodiment of the present invention.
- FIG. 5 and 6 are diagrams illustrating operations of a holding unit and a detection unit in an electrode assembly folding device according to an embodiment of the present invention.
- FIG. 7 is a diagram illustrating an example of a holding unit included in FIG. 2 .
- FIG. 8 is a partially enlarged view of the holding unit shown in FIG. 7 .
- FIG. 9 is a cross-sectional view of the suction unit shown in FIG. 8.
- FIG. 10 is a perspective view of the distal end shown in FIG. 7;
- FIG. 11 is a view showing another example of a holding unit included in FIG. 2 .
- planar it means when the corresponding part is viewed from above, and when it is referred to as “cross-section”, it means when the cross section of the corresponding part cut vertically is viewed from the side.
- FIG. 1 is a conceptual diagram illustrating a zigzag stacking method of electrode assemblies in the present invention.
- the electrode assembly 100 used in the zigzag stacking method may be formed by stacking the long sheet-shaped separator 130 and the electrodes 110 and 120.
- the separator 130 may be provided as two long sheet-shaped separators 130 .
- the two separators 130 may be stacked with a plurality of second electrodes 120 interposed between inner surfaces of the two separators 130 facing each other.
- the plurality of second electrodes 120 interposed between the separators 130 may be spaced apart from each other in the longitudinal direction (x-axis direction).
- the first electrode 110 may be an anode and the second electrode 120 may be a cathode, but this is not necessarily the case.
- a first electrode 110 may be positioned on an outer surface of each separator 130 .
- the plurality of first electrodes 110 may be alternately positioned on the upper side (+z axis) or lower side ( ⁇ z axis) on the outer surfaces of the separators 130 .
- the first electrodes 110 may be spaced apart from each other on the outer surface of each separator 130 .
- the electrodes 110 and 120 and the separator 130 may be bonded to each other.
- the electrodes 110 and 120 are attached to the separator 130, not only can a strong electrode assembly 100 be formed, but also the safety of the battery can be further improved by preventing shrinkage of the separator 130.
- an adhesive material may be used to bond the electrodes 110 and 120 and the separator 130, or a bonding method by heat and pressure such as lamination may be used.
- the electrode assembly 100 may also be described in a form in which a plurality of units 101 and 102 are connected to each other. That is, in the electrode assembly 100 used in the zigzag stacking method in the present invention, the first unit body 101 in which the first electrode 110 is located in the upper (+z-axis) direction and the first electrode 110 are in the lower (-) direction. It can be described as a form in which the second unit bodies 102 located in the z-axis direction are alternately connected.
- the electrode assembly 100 of the present embodiment may be manufactured in a stacked form by folding through a zigzag stacking method in a sheet form in which the electrodes 110 and 120 are disposed on a long sheet-shaped separator 130.
- the 'stacked electrode assembly 100' folded through the zigzag stacking method will be referred to as the 'stacked body 190'.
- the electrode assembly 100 in the form of a sheet may be manufactured as a stacked body 190 by folding connecting portions between the first unit body 101 and the second unit body 102 in opposite directions.
- the connection portion may be a portion in the electrode assembly 100 in which the electrodes 110 and 120 are not disposed and only the separator 130 exists.
- connection portion between the first unit body 101 and the second unit body 102 is folded to one side p1, and the second unit body 102 and the first unit body 101 adjacent to them are folded.
- the connection part between the two sides may be folded to the other side (p2).
- the separator 130 on the lower surface of the first unit 101 can contact the first electrode 110 on the lower surface of the second unit 102
- the separator 130 on the upper surface of the second unit 102 Silver may contact the first electrode 110 on the upper surface of the first unit body 101 .
- the stack 190 When the stack 190 is manufactured through such a folding process, the process of separately making individual bi-cells is omitted, so the stack 190 can be manufactured in a simpler and simpler way than in the prior art, and the manufacturing cost and time of the battery are reduced. this can be saved.
- the electrode assembly folding device of the present embodiment may simplify the manufacturing apparatus by implementing a zigzag stacking method in a horizontal direction, and may minimize damage to electrodes by using a holding unit using a suction method.
- FIG. 2 is a side view of an electrode assembly folding device according to an embodiment of the present invention.
- FIG. 3 is a diagram illustrating an operation of the holding unit according to FIG. 2 .
- 4 is a diagram illustrating operations of a holding unit and a stack unit in an electrode assembly folding apparatus according to an embodiment of the present invention.
- 5 and 6 are diagrams illustrating operations of a holding unit and a detection unit in an electrode assembly folding device according to an embodiment of the present invention.
- two separators 130 and two separators 130 are placed between the inner surfaces facing each other.
- the plurality of second electrodes 120 interposed therein are shown simplified.
- the first electrode 110 positioned on the outer surface of the separator 130 is shown as it is.
- the electrode assembly folding device 200 of the present embodiment includes a supply unit 210 for supplying the electrode assembly 100 in the form of a sheet, and a stack unit in which the zigzag folded electrode assembly 100 is seated. 220 and a holding unit 230 that holds a portion of the electrode assembly 100 supplied from the supply unit 210 and moves it to the stack unit 220 . Also, referring to FIGS. 5 and 6 , the electrode assembly folding device 200 of this embodiment may include a detection unit 240 .
- the supply unit 210 may move the electrode assembly 100 in an initial state, that is, the electrode assembly 100 in the form of a sheet in one direction (x-axis direction).
- the supply unit 210 may be in the form of a conveyor.
- the supply unit 210 can continuously move the electrode assembly 100 in the form of a sheet in the direction where the stack unit 220 is located by continuously moving along a predetermined trajectory.
- the stack unit 220 may support the zigzag-folded stack 190 and allow an additional first unit body 101 or second unit body 102 to be stacked on the existing stack 190 through movement. there is.
- the stack unit 220 may be in the form of a table or plate.
- the stack unit 220 may further include a gripper (not shown) for fixing the laminate 190 .
- the gripper may have a mandrel structure, and may be provided on both sides of the stack unit 220 in the longitudinal direction (y-axis) of the laminate 190, for example, by two to four grippers.
- the stack unit 220 can mainly move up and down, and the first unit body 101 or the second unit body 102 transported by the holding unit 230 and the existing stacked body 190 placed on the stack unit 220 It may be moved up and down or left and right more precisely so that the upper surface corresponds. In some cases, the stack unit 220 may circularly move in a direction opposite to that of the holding unit 230 . At this time, the movement of the stack unit 220, that is, the position adjustment may be based on the position information transmitted from the detection unit 240.
- the holding unit 230 may move the first unit body 101 or the second unit body 102 to the stack unit 220 .
- the holding unit 230 may move the first unit body 101 on which the first electrode 110 is placed to the stack unit 220 so that the electrode assembly 100 in the form of a sheet may be folded in a zigzag pattern.
- the holding unit 230 may move the second unit body 102 as well as the first unit body 101, but hereinafter, the holding unit 230 moves the first unit body 101.
- the holding unit 230 may move between a first position where the stack unit 220 is located, a second position spaced apart from the first position, and a second position where the first unit body 101 is located closest to the first position.
- the first position is a position where the first unit body 101 is stacked on an existing laminate (ie, the previously stacked electrode assembly) in the stack unit 220
- the second position is a position where the holding unit 230 is stacked on the supply unit 210.
- the first position and the second position may be fixed positions, and specifically, before the first unit body 101 is held by the holding unit 230 and moved toward the stack unit 220. It can be a location defined based on the state.
- the first position may be located distal from the second position in the transfer direction (x-axis direction) of the electrode assembly 100 .
- the holding unit 230 descends to the second position (-z-axis direction) to hold the first unit body 101 and moves the electrode assembly 100 in the transfer direction (x-axis direction). direction) to move the first unit body 101 to the first position, and when the stacking of the first unit body 101 is completed, it rises from the first position (+z-axis direction) and moves in the opposite direction to the transfer direction (- x-axis direction) and may return to the second position after descending.
- the holding unit 230 may cycle on a path including the first position and the second position.
- the supply unit 210 is located on the left side and the stack unit 230 is located on the right side, and the holding unit 230 moves along a counterclockwise path.
- the present invention is not limited to what is shown, and when the supply unit 210 and the stack unit 220 are provided symmetrically as shown in FIG. 2, they can move along a clockwise path. It can be modified and changed to suit various environments.
- the first unit body 101 or the second unit body 102 transported by the holding unit 230 may be moved up and down or left and right so that the top surface of the existing stack 190 placed on the stack unit 220 corresponds to each other. .
- the stack unit 220 moves as follows.
- the stack unit 220 moves downward (in the -z-axis direction) together with the previously transferred first unit body 101 . Accordingly, the first unit body 101 previously transferred and the second unit body 102 adjacent thereto are folded.
- the stack unit 220 may also move in the x-axis direction in synchronization with the holding unit 230 .
- the stack unit 220 is configured to stack the holding unit 230 faster than the speed at which the holding unit 230 returns in the x-axis direction so that the subsequent second unit body 102 can be stacked. You can move in the x-axis direction.
- the second unit body 102 is stacked on the pre-transferred first unit body 101 so that the electrode assembly 100 is folded in a zigzag shape, that is, in a Z shape, so that the stack unit 220 is moved to the upper side (+z axis) again. direction) to move.
- the stack unit 220 is located below the position at which the previously transferred first unit pieces 101 are stacked by the height of the first unit pieces 101 and the second unit pieces 102 .
- the stack unit 220 gradually increases the height of the first unit body 101 and the second unit body 102 higher than before, as described above.
- the first unit body 101 is stacked at the position below. Accordingly, the electrode assembly 100 is folded and stacked in a zigzag shape on the stack unit 220 .
- the number of holding units 230 may be two or more.
- the holding unit 230 may include a first holding unit 230a and a second holding unit 230b.
- the first holding unit 230a may transport the k-th first unit body
- the second holding unit 230b may transport the k+1-th first unit body, where k is a natural number. 2 to 4, while the first holding unit 230a is moving from the first position to the second position after completing the movement of the first unit body 101 to the stack unit 220 ( For example, immediately after rising from the first position and just before moving in the opposite direction to the transport direction of the first unit body 101), the second holding unit 230b located at the second position holds the first unit body 101 to It can be moved to 1 position.
- the movement of the first unit body 101 to the stack unit 220 may be continuously performed.
- the other holding unit unit body 230 holds the first unit body 101 so that a collision does not occur between the holding units 230. may be desirable.
- the holding unit 230 may use a suction function.
- a specific example of the holding unit 230 and its structure will be described later in detail with reference to FIGS. 7 to 11 .
- the detection unit 240 may be used to align the first unit body 101 or the second unit body 102 to the position of the existing stack body 190 during the stacking process of the electrode assembly 100 .
- the detection unit 240 may be used to align the first unit body 101 and the holding unit 230 or the stack unit 220 .
- At least one of the stack unit 220 and the first unit body 101 determines the transport direction of the electrode assembly or the width of the electrode assembly. By moving or rotating in the direction, the stack unit 220 and the first unit body 101 may be aligned with each other.
- the detection unit 240 is the holding unit 230 or the object of the holding unit 230. It may be for detecting the position of the first unit body 101 .
- the detection unit 240 detects the position of the holding unit 230 or the first unit body 101 before or after the holding unit 230 holds the first unit body 101 . can be detected.
- the detection unit 240 may detect the position of the stack unit 220, the holding unit 230, or the first unit body 101 before the first unit body 101 is stacked on the stack unit 220. .
- the detection unit 240 may be for detecting a position of a target based on an acquired image.
- the detection unit 240 may include a camera capable of obtaining an image.
- the detection unit 240 may also be referred to as 'vision'.
- the detection unit 240 of this embodiment or the folding device 200 of this embodiment may include a control unit capable of processing data, and the control unit controls the first unit unit 101 in the image acquired by the detection unit 240.
- the position value of the stack unit 220 or the holding unit 230 may be detected.
- the folding device 200 may include a storage unit for storing the detected position value.
- each position may be calculated as (x, y, ⁇ ) values.
- the ⁇ value may indicate an angle at which the first unit body 101 is inclined with respect to the xy plane.
- the x-axis may be a transport direction of the electrode assembly 100
- the y-axis may be a width direction of the electrode assembly 100.
- 'detection' of a position value or position information of a specific configuration by the detection unit 240 will be described as including detecting the position value or position information through an operation processing process of a control unit. do it with That is, the detection unit 240 will be described as an example of a configuration including obtaining an image and calculating location information of each configuration as (x, y, ⁇ ) values based on the image.
- the position value and position information of the first unit unit 101 identified by the detection unit 240 may be used to correct the position of the stack unit 220 .
- the stack unit 220 and the detection unit 240 may be connected through wired/wireless network communication, or through input/output terminals and cables.
- the stack unit 220 may include a control unit, and the position of the stack unit 220 may be adjusted by processing location information through the control unit.
- the location information of the first unit body 101 detected by the detection unit 240 may be transmitted to the stack unit 220.
- the detection unit 240 may detect location information of the stack unit 220 , and the transferred location information of the first unit body 101 may be compared with location information of the current stack unit 220 .
- the stack unit 220 may be moved or rotated based on location information of the first unit body 101 , the stack unit 220 , or the holding unit 230 by the detection unit 240 .
- the stack unit 220 is moved or tilted in the x-axis or y-axis direction by the difference between the current position and the position of the first unit body 101 so that the transferred first unit body 101 and the existing laminate 190 correspond. It can be adjusted in such a way as to rotate by an angle of ⁇ . Here, rotation may mean rotation based on the xy plane. Through this, the displaced or tilted first unit body 101 is transferred to the adjusted stack unit 190, so that the first unit body 101 can be stacked on the existing stack body 190 in alignment.
- the location information of the first unit unit 101 confirmed by the detection unit 240 may be used to correct the location of the holding unit 230 .
- position information of the first unit body 101 detected by the detection unit 240 may be transferred to the holding unit 230 .
- the transferred location information of the first unit body 101 may be compared with location information of the holding unit 230 .
- the holding unit 230 may be moved in the x-axis or y-axis direction based on the compared value, or rotated by an inclined angle ⁇ .
- the first unit body 101 can be accurately held by the holding unit 230 in the second position.
- the holding unit 230 may adjust the position based on the position information transmitted from the detection unit 240 .
- the holding unit 230 may be connected to the detection unit 240 through wired/wireless network communication, or through input/output terminals and cables. Also, the holding unit 230 may include a control unit, and the position of the holding unit 230 may be adjusted by processing location information through the control unit.
- calculating the difference between the location information of the two configurations and adjusting the position of the stack unit 220 or the holding unit 230 based on the difference value may be performed by a separate controller.
- the control unit may be included in the folding device 200 of the electrode assembly or included in a higher-level system of the folding device 200, and in order to receive or transmit the processing result of the control unit, the folding device 200 or the higher-level system It may include a communication unit.
- the number of detection units 240 may be two or more.
- the detection unit 240 may include a first detection unit 240a and a second detection unit 240b.
- the detection unit 240 may obtain an image within a predetermined range at a fixed location.
- the first detection unit 240a may be located on the first location, and the second detection unit 240b may be located on the second location.
- the first detection unit 240a is used to detect positional information of the first unit body 101 and the stack unit 220 that are first stacked (1 st stack), and then, in FIG. 6 It can be used to detect position information of the second stacked first unit body 101 and the stack unit 220 .
- the first detection unit 240a is the first unit body 101 moved by the holding unit 230 in the first position, the stack unit 220, or the first unit body 101 stacked on the stack unit 220.
- the position value of can be obtained.
- the first detection unit 240a detects the position value of the first unit body 101 stacked on the stack unit 220 to determine whether the stacked first unit body 101 is stacked side by side with the existing stack body 190. can be used to do
- the first detection unit 240a can detect the position values of the first unit body 101 and the stack unit 220 before the moved first unit body 101 is stacked, and these position values are (101) can be used to be stacked side-by-side with an existing laminate (190).
- the second detection unit 240b is used to detect position information of the second stacked first unit body 101 and the holding unit 230, and then, in FIG. 6, the third stack It can be used to detect positional information of the ( 3rd stack) first unit body 101 and the holding unit 230 .
- the second detection unit 240b may obtain a position value of the holding unit 230 and the first unit body 101 to be held or already held by the holding unit 230 at the first position.
- the second detection unit 240b may determine the position value of the held first unit body 101 , and this position value may be used to adjust the position of the stack unit 220 .
- the position value of the held first unit body 101 may be calculated based on the position value obtained by picking the first unit body 101 by the holding unit 230 .
- the position value of the first unit body 101 held in this way may be calculated as a relative value between the holding unit 230 and the first unit body 101 .
- the second detection unit 240b can grasp the position values of the holding unit 230 and the first unit body 101 before the holding unit 230 holds the first unit body 101, and these position values are can be used to match them.
- FIG. 7 is a diagram illustrating an example of a holding unit included in FIG. 2 .
- FIG. 8 is a partially enlarged view of the holding unit shown in FIG. 7 .
- 9 is a cross-sectional view of the suction unit shown in FIG. 8;
- 10 is a perspective view of the distal end shown in FIG. 7;
- the holding unit 230 of this embodiment may be provided as a suction device to which a gas suction method is applied.
- the holding unit 230 is connected to a moving part 232 that moves the holding unit 230, a suction part 234 that is temporarily attached to a target by inhaling gas, and an adsorption part 234 that lifts the target and an end of the adsorption part 234. may include an end block (237).
- the adsorption unit 234 may include at least one adsorption line 235 therein.
- the suction line 235 may be provided in the form of a tube having a circular, rectangular or other cross-sectional shape.
- a plurality of adsorption lines 235 may be provided to cover a wider surface.
- three adsorption lines 235 may be provided.
- a plurality of suction holes 236 may be formed in the suction line 235 as shown in FIG. 9 .
- the suction hole 236 may be disposed in a direction extending in the width direction (y-axis direction) of the first unit body 101 or the electrode assembly 100 .
- the adsorption unit 234 When the adsorption unit 234 starts the suction function, external air flows into the adsorption unit 234 through the adsorption hole 236, specifically into the adsorption line 235, and through this, the adsorption unit 234 ), that is, the first unit 101 may be attached to the adsorption unit 234 .
- the number of suction holes 236 increases, the performance of the suction unit 234 can be maximized. However, when there is a limit to the suction flow rate, the larger the number of suction holes 236 may rather degrade the suction performance.
- the block 237 is a portion connected to the end of the suction unit 234 and may be located at the end of the holding unit 230 .
- the block 237 may include a block connection hole 238 connected to the adsorption line 235 and a block adsorption hole 239 for sucking gas like the adsorption hole 236 of the adsorption line 235 .
- the block adsorption hole 239 is formed in the block 237, the end of the first unit 101 and the adsorption unit 234 can be well attached, so that the holding and moving performance of the first unit 101 can be further improved. can
- FIGS. 7 to 10 show an example of the holding unit 230, and the holding unit 230 of this embodiment may be provided in a different form.
- FIG. 11 is a view showing another example of a holding unit included in FIG. 2 .
- the holding unit 230 of this embodiment is a suction device to which a gas suction method is applied, and may be provided as a bellow type suction cup.
- the bellow-type holding unit 230 may suck gas through a suction hole opened downward.
- the bellow type suction cup may be provided so that its cross section has a reverse tapered shape as shown in FIG. 11 (a), and by forming wrinkles on the circumferential surface as shown in FIG. 11 (b), it responds to external force and minimizes damage to the target It may also be provided to have a buffering effect that does.
- One of the above-described bellow-type suction cups may be provided in the holding unit 230 as needed, or multiple may be provided to cover a larger area.
- the holding unit 230 having a gas intake function has been mainly described.
- the holding unit 230 may be provided without a gas intake function, and for example, the holding unit 230 may be provided in the form of a clamp or gripper that grips, fixes, and moves a target. there is.
- the electrode assembly 100 of the present embodiment is in the form of connecting a plurality of units 101 and 102, unnecessary tension may be generated in the electrode assembly 100 when the holding unit 230 is used.
- the holding unit 230 in the form of a clamp or gripper grips the unit bodies 101 and 102 and stacks them on the existing stack body 190, the holding unit 230 is placed between the existing stack body 190 and the unit bodies 101 and 102.
- the electrodes 110 and 120 or the separator 130 may be damaged in the process of removing the holding unit 230 .
- the holding unit 230 of this embodiment is attached to and released from the unit bodies 101 and 102 by rising or descending in the z-axis direction, but in the case of the holding unit 230 in the form of a clamp or gripper, the unit body 101 and 102 moves along the y-axis Since the units 101 and 102 are gripped and put down by moving forward or backward in the direction, there is a problem in that the operation is somewhat complicated and the operation time increases.
- the folding method described below is a method of folding an electrode assembly using the electrode assembly folding device 200 described above. Therefore, since the folding method of the electrode assembly includes all of the above-described folding device 200, a detailed description of the overlapping contents will be omitted.
- the electrode assembly manufacturing method (S1000) according to an embodiment of the present invention
- a step (S1400) of stacking one unit body 101 may be included.
- the holding of the first unit body 101 may be performed through gas intake of the holding unit 230.
- the holding unit 230 descends toward the first unit body 101 (S1110), the suction function of the holding unit 230 is started (S1120), the holding unit ( It may include a step of introducing gas into the adsorption line 235 through the adsorption hole 236 of step 230 (S1130), and a step of attaching the holding unit 230 and the first unit body 101 (S1140).
- the holding unit 230 may be located in the second position.
- the first unit body 101 held by the holding unit 230 is formed into a stacked body 190 thereafter.
- the holding unit 101 is held in step S1100. It may be desirable that the unit 230 always hold a specific position of the first unit body 101 . Therefore, in the present embodiment, a step of acquiring location information by the detection unit 240 may be further included in order to match the locations of the first unit body 101 and the holding unit 230 .
- the detection unit 240 located above the second position used herein may be the second detection unit 240b.
- the detection unit 240 detects the first unit body 101 so that the positions of the first unit body 101 and the holding unit 230 correspond to each other before the holding unit 230 holds the first unit body 101 . And the position of the holding unit 230 can be detected.
- the step (S1100) is the step in which the detection unit 240 detects the location information of the first unit body 101 or the holding unit 230, and based on the location information by the detection unit 240, A step of adjusting the position of the holding unit 230 so that the positions of the first unit body 101 and the holding unit 230 correspond to each other may be included. In addition, before the step of adjusting the position of the holding unit 230, a step of comparing position information between the first unit body 101 and the holding unit 230 may be further included.
- the above-described steps may be performed before the step of descending the holding unit 230 toward the first unit body 101 (S1110) or the step of starting the suction function of the holding unit 230 (S1120).
- the holding unit 230 may always hold a specific position of the first unit body 101 . Therefore, after the holding unit 230 holds the first unit body 101, relative positional information between the held first unit body 101 and the holding unit 230 is grasped, and based on this, the stack unit 220 It may be desirable to form side-by-side stacks 190.
- the detection unit 240 may detect the position of the first unit body 101 or the holding unit 230 after the holding unit 230 holds the first unit body 101 .
- the detection unit 240 may detect a relative position between the first unit body 101 and the holding unit 230 .
- the detection unit 240 may determine the position of the first unit body 101 through the position of the holding unit 230 .
- the detection unit 240 may calculate a position value obtained by picking the first unit body 101 by the holding unit 230 and detect the position value of the first unit body 101 based on the calculated position value. For example, the detection unit 240 may determine the location information of the first unit body 101 by checking whether the holding unit 230 is coupled to the center or the edge of the first unit body 101. there is.
- the electrode assembly folding method (S1000) of the present embodiment is, after the step (S1100), the detection unit 240 detecting the position information of the holding unit 230 or the held first unit body 101 may further include.
- a step of transmitting the location information detected by the detection unit 240 to the stack unit 220 may be further included.
- the above step does not necessarily have to be performed immediately after the step (S1100), but should be performed within a range in which the location information can be detected by the detection unit 240.
- the electrode assembly folding method (S1000) of the present embodiment includes steps using the detection unit 240 to correspond the first unit body 101 and the holding unit 230 before the holding unit 230 is held or the holding unit After the holding in step 230, the steps of using the detection unit 240 to acquire the position information of the held first unit body 101 may be included, or only one of them may be included.
- the holding unit 230 may move from the second position to the first position.
- the holding unit 230 may transfer the first unit body 101 from the second position to the first position toward the stack unit 220 .
- the suction function of the holding unit 230 may be in an initiated state, and the lower surface of the holding unit 230 and the upper surface of the first unit body 101 may be in a mutually attached state.
- the stack unit 220 may move downward.
- the lower side may mean a lower side based on one side of the electrode assembly 100 delivered from the supply unit 210 .
- an existing laminate 190 that has already been formed may be positioned.
- the second unit body 102 When the upper surface of the existing laminate 190 moves downward, as the first unit body 101 is transported, the second unit body 102 in the transport direction (x-axis direction) of the first unit body 101 and the transported The first unit body 101 is folded on one side (p1), and the second unit body 102 and the existing laminate 190 are folded on the other side (p2), so that the electrode assembly 100 can be folded in a zigzag shape. there is.
- the positional information obtained by the detection unit 240 may be used.
- the stack unit 220 may adjust the location based on the location information obtained by the detection unit 240 and may allow the first unit body 101 to be stacked side by side on the existing stack body 190 .
- the step (S1300) may include a step (S1310) of adjusting the position of the stack unit 220 using the location information received from the detection unit 240. Also, before the step of adjusting the position of the stack unit 220, a step of comparing position information between the first unit body 101 and the stack unit 220 may be included.
- step (S1310) may be performed before the stack unit 220 moves downward, or may be performed while the stack unit 220 moves downward, or after that. That is, step (S1310) may be performed before step (S1400).
- the location information received from the detection unit 240 may include location information detected by the second detection unit 240b.
- the second detection unit 240b may detect positional information of the held first unit body 101 after holding the holding unit 230 in the second position, and may transmit the information to the stack unit 220. there is.
- the stack unit 220 may adjust the position of the stack unit 220 based on location information of the first unit body 101 .
- the step of detecting the positional information of the holding unit 230 or the held first unit body 101 by the second detection unit 240b before step S1310 and the second detection unit 240 A step of transferring the detected location information to the stack unit 220 may be performed.
- the positional information received from the detection unit 240 may include positional information detected by the first detection unit 240a.
- the first detection unit 240a may detect the current position of the stack unit 220 or the position of the first unit body 101 before the first unit body 101 moved from the first position is stacked, This may be delivered to the stack unit 220 .
- the stack unit 220 may adjust the position of the stack unit 220 based on this location information.
- the first detection unit 240a detects the location information of the first unit body 101 or the stack unit 220, and the location where the first detection unit 240a is detected. A step of passing the information to the stack unit 220 may be performed.
- the transferred first unit body 101 may be placed on the stack unit 220.
- the first unit body 101 may be stacked on the existing stack 190 of the stack unit 220 . Accordingly, on the upper surface of the existing stacked body 190, the second unit body 102 and the transferred first unit body 101 may be stacked in the distal direction (x-axis direction) of the first unit body 101. there is.
- the detection unit 240 specifically, the first detection unit 240a may be used to determine whether the stacked first unit body 101 is stacked side by side with the existing stack 190 . If the first unit bodies 101 are not stacked side by side, the corresponding stack 190 may be determined to be defective and discharged to the outside of the process.
- the detection unit 240 checks whether the first unit body 101 and the existing laminate 190 correspond (S1500). can include more.
- the above step may be performed by the first detection unit 240a.
- the holding unit 230 may rise and wait for the next operation or may move in the opposite direction to the transfer direction to transfer the first unit body 101 . Also, when the above steps are performed by the first holding unit 230a, the step (S1100) by the second holding unit 230b may be performed again after the above steps.
- the first unit body 101 and the second unit body 102 can be continuously stacked on the stack unit 220, and the stacking height of the stacked body 190 can be increased.
- the stack 190 formed through the above steps can be stacked quickly and accurately by stacking in a zigzag stacking method in a horizontal direction.
- the laminate 190 formed through the above steps may be one in which the movement of the electrode is performed by a suction device using a suction method, so that damage thereof is minimized.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (20)
- 전극 조립체를 지그재그 형태로 폴딩하는 장치에 있어서,두 개의 시트형 분리막, 서로 마주보는 상기 분리막들의 내측면 사이에 연속적으로 위치한 제2 전극 및 상기 두 분리막의 외측면에 상하로 교대로 위치한 제1 전극을 포함함으로써, 제1 전극이 상면에 위치한 제1 단위체 및 제1 전극이 하면에 위치한 제2 단위체가 교대로 연결된 상기 전극 조립체를 공급하는 공급 유닛,상기 공급 유닛으로부터 공급되는 제1 단위체를 홀딩하여 이송하는 홀딩 유닛, 및상기 홀딩 유닛에 의해 이송되는 제1 단위체가 적층되는 스택 유닛을 포함하는 전극 조립체 폴딩 장치.
- 제1항에서,상기 홀딩 유닛은, 상기 이송되는 제1 단위체를 상기 스택 유닛에 안착시킨 후에, 상승하여 상기 공급 유닛 쪽으로 이동한 후 후속하는 제1 단위체를 홀딩하는 위치로 하강하는, 전극 조립체 폴딩 장치.
- 제1항에서,상기 홀딩 유닛은 제1 위치와 제2 위치를 포함하는 경로에서 순환 이동하고,상기 제1 위치는 상기 제1 단위체가 상기 스택 유닛에 적층되는 위치이고,상기 제2 위치는 상기 홀딩 유닛이 상기 공급 유닛으로부터 공급되는 상기 제1 단위체를 홀딩하는 위치인, 전극 조립체 폴딩 장치.
- 제3항에서,상기 공급 유닛이 좌측에 위치하고 상기 스택 유닛이 우측에 위치하는 경우에, 상기 홀딩 유닛은 반시계 방향으로 순환하는, 전극 조립체 폴딩 장치.
- 제3항에서,상기 공급 유닛이 우측에 위치하고 상기 스택 유닛이 좌측에 위치하는 경우에, 상기 홀딩 유닛은 시계 방향으로 순환하는, 전극 조립체 폴딩 장치.
- 제1항에서,상기 홀딩 유닛은 k 번째 제1 단위체를 이송하는 제1 홀딩 유닛 및 k+1 번째 제1 단위체를 이송하는 제2 홀딩 유닛을 포함하고,상기 k 번째 제1 단위체가 상기 스택 유닛 상에 적층된 후, 상기 제2 홀딩 유닛이 상기 k+1 번째 제1 단위체를 홀딩하고,k는 자연수인, 전극 조립체 폴딩 장치.
- 제1항에서,상기 홀딩 유닛은 상기 제1 단위체의 제1 전극의 상면에 부착되는, 전극 조립체 폴딩 장치.
- 제1항에서,상기 홀딩 유닛은 기체 흡입 방식을 이용한 석션 기기인, 전극 조립체 폴딩 장치.
- 제8항에서,상기 홀딩 유닛은 관 형상의 흡착 라인을 포함하고, 흡착 라인에는 복수의 흡착홀이 구비된, 전극 조립체 폴딩 장치.
- 제9항에서,상기 복수의 흡착홀은 상기 전극 조립체의 폭 방향상 연장되는 방향으로 배치되는, 전극 조립체 폴딩 장치.
- 제1항에서,상기 제1 단위체가 상기 홀딩 유닛에 의하여 이송될 때 상기 스택 유닛은 하강함으로써, 기 이송된 제1 단위체와 그에 인접한 상기 제2 단위체의 사이 및 상기 제2 단위체 및 상기 이송되는 제1 단위체의 사이가 서로 반대 방향으로 폴딩되는, 전극 조립체 폴딩 장치.
- 제11항에서,상기 이송되는 제1 단위체가 기존 적층체 상에 적층되도록 상기 스택 유닛은 다시 상승하는, 전극 조립체 폴딩 장치.
- 제1항에서,상기 제1 단위체의 위치를 검출하기 위한 검출 유닛을 포함하는, 전극 조립체 폴딩 장치.
- 제13항에서,상기 검출 유닛에 의해 검출된 제1 단위체의 위치 정보에 기초하여, 상기 스택 유닛과 상기 제1 단위체 중 적어도 하나가 상기 전극 조립체의 이송 방향 또는 상기 전극 조립체의 폭 방향으로 이동하거나 회전함으로써, 상기 스택 유닛과 상기 제1 단위체가 서로 정렬되는, 전극 조립체 폴딩 장치.
- 제13항에서,상기 검출 유닛에 의해 검출된 제1 단위체의 위치 정보에 기초하여, 상기 홀딩 유닛과 상기 제1 단위체 중 적어도 하나가 상기 전극 조립체의 이송 방향 또는 상기 전극 조립체의 폭 방향으로 이동하거나 회전함으로써, 상기 홀딩 유닛과 상기 제1 단위체가 서로 정렬되는, 전극 조립체 폴딩 장치.
- 제13항에서,상기 검출 유닛은 제1 검출 유닛 및 제2 검출 유닛을 포함하고,상기 제1 검출 유닛은 상기 제1 위치 위에 위치하고,상기 제2 검출 유닛은 상기 제2 위치 위에 위치하며,상기 제1 위치는 상기 제1 단위체가 상기 스택 유닛에서 적층되는 위치이고,상기 제2 위치는 상기 홀딩 유닛이 상기 제1 단위체를 홀딩하는 위치인, 전극 조립체 폴딩 장치.
- 전극 조립체를 지그재그 형태로 폴딩하는 방법에 있어서,두 개의 시트형 분리막, 서로 마주보는 상기 분리막들의 내측면 사이에 연속적으로 위치한 제2 전극 및 상기 두 분리막의 외측면에 상하로 교대로 위치한 제1 전극을 포함함으로써, 제1 전극이 상면에 위치한 제1 단위체 및 제1 전극이 하면에 위치한 제2 단위체가 연속적으로 연결된 전극 조립체를 공급 유닛이 공급하는 단계,홀딩 유닛이 상기 공급 유닛으로부터 공급되는 제1 단위체를 홀딩하여 이송하는 단계, 및상기 스택 유닛 상에 상기 홀딩 유닛에 의해 이송된 제1 단위체가 적층되는 단계를 포함하고,상기 홀딩 유닛은, 상기 이송된 제1 단위체를 상기 스택 유닛에 안착시킨 후에, 상승하여 상기 공급 유닛 쪽으로 이동한 후 후속하는 제1 단위체를 홀딩하는 위치로 하강하는, 전극 조립체 폴딩 방법.
- 제17항에서,상기 홀딩 유닛은 k 번째 제1 단위체를 이송하는 제1 홀딩 유닛 및 k+1 번째 제1 단위체를 이송하는 제2 홀딩 유닛을 포함하고,상기 k 번째 제1 단위체가 상기 스택 유닛 상에 적층된 후, 상기 제2 홀딩 유닛이 상기 k+1 번째 제1 단위체를 홀딩하고,k는 자연수인, 전극 조립체의 폴딩 방법.
- 제17항에서,상기 제1 단위체가 상기 홀딩 유닛에 의하여 이송될 때 상기 스택 유닛은 하강함으로써, 기 이송된 제1 단위체와 그에 인접한 상기 제2 단위체의 사이 및 상기 제2 단위체 및 상기 이송되는 제1 단위체의 사이가 서로 반대 방향으로 폴딩되고,상기 이송되는 제1 단위체가 기존 적층체 상에 적층되도록 상기 스택 유닛은 다시 상승하는, 전극 조립체 폴딩 방법.
- 제17항에서,상기 제1 단위체가 적층되는 단계 이전에:검출 유닛이 상기 제1 단위체의 위치 정보를 검출하는 단계; 및상기 검출 유닛에 의한 상기 제1 단위체의 위치 정보에 기초하여 상기 스택 유닛 또는 상기 홀딩 유닛의 위치가 조정되는 단계를 더 포함하는, 전극 조립체의 폴딩 방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22887524.1A EP4340084A1 (en) | 2021-10-26 | 2022-10-24 | Electrode assembly folding device and folding method using same |
CN202280042732.XA CN117529837A (zh) | 2021-10-26 | 2022-10-24 | 电极组件折叠设备和使用该电极组件折叠设备的折叠方法 |
JP2023573456A JP2024520549A (ja) | 2021-10-26 | 2022-10-24 | 電極組立体フォールディング装置およびこれによるフォールディング方法 |
US18/565,875 US20240258558A1 (en) | 2021-10-26 | 2022-10-24 | Electrode Assembly Folding Apparatus and Method Using the Same |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20210143662 | 2021-10-26 | ||
KR10-2021-0143662 | 2021-10-26 | ||
KR1020220135649A KR20230059736A (ko) | 2021-10-26 | 2022-10-20 | 전극 조립체 폴딩 장치 및 이에 의한 폴딩 방법 |
KR10-2022-0135649 | 2022-10-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023075328A1 true WO2023075328A1 (ko) | 2023-05-04 |
Family
ID=86159560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2022/016248 WO2023075328A1 (ko) | 2021-10-26 | 2022-10-24 | 전극 조립체 폴딩 장치 및 이에 의한 폴딩 방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20240258558A1 (ko) |
EP (1) | EP4340084A1 (ko) |
JP (1) | JP2024520549A (ko) |
WO (1) | WO2023075328A1 (ko) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170032042A (ko) * | 2015-09-14 | 2017-03-22 | 주식회사 엘지화학 | 전극 조립체 폴딩 장치 및 이를 이용한 전극 조립체 폴딩 방법 |
KR20170044972A (ko) * | 2015-10-16 | 2017-04-26 | 주식회사 엘지화학 | 전극 조립체 폴딩 장치 및 이를 이용한 전극 조립체 폴딩 방법 |
KR20170059740A (ko) * | 2015-11-23 | 2017-05-31 | 주식회사 엘지화학 | 전극 조립체 폴딩 장치 및 이를 이용한 전극 조립체 폴딩 방법 |
KR20170059739A (ko) * | 2015-11-23 | 2017-05-31 | 주식회사 엘지화학 | 전극 조립체 폴딩 장치 및 이를 이용한 전극 조립체 폴딩 방법 |
CN112117495A (zh) * | 2020-10-20 | 2020-12-22 | 深圳吉阳智能科技有限公司 | 叠片设备、方法及叠片结构 |
-
2022
- 2022-10-24 WO PCT/KR2022/016248 patent/WO2023075328A1/ko active Application Filing
- 2022-10-24 EP EP22887524.1A patent/EP4340084A1/en active Pending
- 2022-10-24 US US18/565,875 patent/US20240258558A1/en active Pending
- 2022-10-24 JP JP2023573456A patent/JP2024520549A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170032042A (ko) * | 2015-09-14 | 2017-03-22 | 주식회사 엘지화학 | 전극 조립체 폴딩 장치 및 이를 이용한 전극 조립체 폴딩 방법 |
KR20170044972A (ko) * | 2015-10-16 | 2017-04-26 | 주식회사 엘지화학 | 전극 조립체 폴딩 장치 및 이를 이용한 전극 조립체 폴딩 방법 |
KR20170059740A (ko) * | 2015-11-23 | 2017-05-31 | 주식회사 엘지화학 | 전극 조립체 폴딩 장치 및 이를 이용한 전극 조립체 폴딩 방법 |
KR20170059739A (ko) * | 2015-11-23 | 2017-05-31 | 주식회사 엘지화학 | 전극 조립체 폴딩 장치 및 이를 이용한 전극 조립체 폴딩 방법 |
CN112117495A (zh) * | 2020-10-20 | 2020-12-22 | 深圳吉阳智能科技有限公司 | 叠片设备、方法及叠片结构 |
Also Published As
Publication number | Publication date |
---|---|
JP2024520549A (ja) | 2024-05-24 |
US20240258558A1 (en) | 2024-08-01 |
EP4340084A1 (en) | 2024-03-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2020045772A1 (ko) | 2차 전지용 전극 생산 시스템 | |
WO2020130184A1 (ko) | 이차전지의 셀 스택 제조장치 | |
WO2020159293A1 (ko) | 전극 적층 로더장치 및 이를 구비한 전극 적층 시스템 | |
WO2019172567A1 (ko) | 단위셀 정렬장치 및 이를 이용한 전극조립체 제조 방법 | |
WO2018021590A1 (ko) | 셀적층 및 열압착 장치, 및 셀적층 및 열압착 방법 | |
WO2020085835A1 (ko) | 버큠 벨트 컨베이어를 이용한 각형 이차전지의 극판 적층 장치 및 자체 정렬 기능을 구비한 버큠 벨트 컨베이어 | |
WO2020159295A1 (ko) | 전극 적층 장치 및 이를 구비한 전극 적층 시스템 | |
WO2022019599A1 (ko) | 단위 셀 제조 장치 및 방법 | |
WO2022014753A1 (ko) | 이차전지 스텍킹 장비 | |
WO2020105834A1 (ko) | 전극조립체 | |
WO2021112481A1 (ko) | 전극조립체 제조방법 및 제조장치, 그를 포함한 이차전지 제조방법 | |
WO2018021589A1 (ko) | 2차 전지 제조 방법 | |
WO2023075328A1 (ko) | 전극 조립체 폴딩 장치 및 이에 의한 폴딩 방법 | |
WO2023075330A1 (ko) | 전극 조립체 폴딩 장치 및 이에 의한 폴딩 방법 | |
WO2023101279A1 (ko) | 지그재그 스태킹 장치 | |
WO2022149952A1 (ko) | 커팅장치, 그를 포함하는 이차전지용 라미네이션 설비 및 방법 | |
WO2020231186A1 (ko) | 전극 조립체 제조방법과, 이를 통해 제조된 전극 조립체 및 이차전지 | |
WO2018004185A1 (ko) | 이차 전지용 스택 장치, 이를 이용한 스택 방법 및 이에 따른 이차 전지 | |
WO2022014933A1 (ko) | 테이프 제거 장치 | |
WO2021112551A1 (ko) | 전극 조립체 제조장치와, 이를 통해 제조된 전극 조립체 및 이차전지 | |
WO2024172546A1 (ko) | 전극판 공급 장치 및 전극판 공급 방법 | |
WO2023282716A1 (en) | Electrode assembly | |
WO2023033472A1 (ko) | 리드 공급 시스템 및 그 제어 방법 | |
WO2023068775A1 (ko) | 전극 조립체 제조 장치 및 이에 의한 제조 방법 | |
WO2023195680A1 (ko) | 배터리 셀의 필름 부착 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22887524 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2023573456 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18565875 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202280042732.X Country of ref document: CN Ref document number: 2022887524 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2022887524 Country of ref document: EP Effective date: 20231214 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |