WO2015065082A1 - Gabarit d'empilage de cellules de batterie - Google Patents

Gabarit d'empilage de cellules de batterie Download PDF

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Publication number
WO2015065082A1
WO2015065082A1 PCT/KR2014/010337 KR2014010337W WO2015065082A1 WO 2015065082 A1 WO2015065082 A1 WO 2015065082A1 KR 2014010337 W KR2014010337 W KR 2014010337W WO 2015065082 A1 WO2015065082 A1 WO 2015065082A1
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WIPO (PCT)
Prior art keywords
block
battery cell
cell stack
stack jig
battery
Prior art date
Application number
PCT/KR2014/010337
Other languages
English (en)
Korean (ko)
Inventor
김인정
이용태
김석제
조아라
Original Assignee
주식회사 엘지화학
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from KR1020130131746A external-priority patent/KR101888208B1/ko
Priority claimed from KR1020130131745A external-priority patent/KR101888207B1/ko
Priority claimed from KR1020130131747A external-priority patent/KR101888209B1/ko
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to CN201480006775.8A priority Critical patent/CN104969399B/zh
Priority to JP2016525513A priority patent/JP6331201B2/ja
Publication of WO2015065082A1 publication Critical patent/WO2015065082A1/fr

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    • 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
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/42—Grouping of primary cells into batteries
    • H01M6/46—Grouping of primary cells into batteries of flat cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present invention relates to a technique for manufacturing an electrode assembly, and more particularly, to a battery cell stack jig used for manufacturing a stack type electrode assembly.
  • a secondary battery unlike a primary battery that cannot be charged, means a battery that can be charged and discharged, and is widely used in electronic devices such as mobile phones, notebook computers, camcorders, and electric vehicles.
  • lithium secondary batteries have a larger capacity and higher energy density per unit weight than nickel-cadmium batteries or nickel-hydrogen batteries, which are widely used as power sources for electronic equipment, and thus, their utilization rates are rapidly increasing.
  • Such lithium secondary batteries mainly use lithium-based oxides and carbon materials as positive electrode active materials and negative electrode active materials, respectively.
  • the lithium secondary battery includes an electrode assembly in which a positive electrode plate and a negative electrode plate coated with the positive electrode active material and the negative electrode active material are disposed with a separator interposed therebetween, and a battery case sealingly storing the electrode assembly together with the electrolyte solution.
  • the lithium secondary battery may be classified into a can type secondary battery in which an electrode assembly is embedded in a metal can and a pouch type battery in which an electrode assembly is embedded in a pouch of an aluminum laminate sheet according to the shape of a battery case.
  • the can type secondary battery may be further classified into a cylindrical battery and a square battery according to the shape of the metal can.
  • the electrode assembly may be classified into a jelly roll type wound through a separator between a positive electrode plate and a negative electrode plate, and a stack type in which battery cells having a separator interposed between the positive electrode plate and the negative electrode plate are sequentially stacked.
  • Stack type electrode assemblies are mainly used for pouch type batteries, and jelly roll type electrode assemblies are mainly used for can type secondary batteries.
  • the stack type electrode assembly has a structure in which a plurality of anode and cathode unit cells are sequentially stacked to have a high energy density per weight, and it is easy to obtain a rectangular shape.
  • the stack type electrode assembly is manufactured by stacking two or more battery cells including a positive electrode plate, a negative electrode plate, and a separator interposed between the positive electrode plate and the negative electrode plate.
  • battery cells In order for such an electrode assembly to be manufactured to a certain specification, battery cells must be stacked in a side by side alignment. When the electrode assembly is manufactured while the battery cells are not properly aligned, the electrode assembly may not be stored in the battery case. In addition, the electrode assembly manufactured in a state where the battery cells are not properly aligned has a disadvantage of low energy efficiency and low energy efficiency.
  • the present invention has been made in view of the above problems, and an object thereof is to provide a battery cell stacking jig for quickly stacking battery cells and improving the degree of alignment of the stacked battery cells.
  • Battery cell stack jig for achieving the above object is a battery cell stack jig for stacking two or more battery cells, the seating portion for providing a space in which the battery cell is seated; And a first block mounted on the seating portion and a second block mounted on the seating portion and disposed to be spaced apart from the first block by a predetermined distance, wherein at least one of the first block and the second block is disposed on the seating portion. And a battery cell alignment mounted on the seat so as to be movable on the seat.
  • At least one of the first block and the second block may move in the left and right directions.
  • at least one of the first block and the second block may move in the front-rear direction.
  • An electrode tab provided in the battery cell may be inserted and stacked between the first block and the second block.
  • the second block may be spaced apart from the first block by the width of the electrode tab.
  • the battery cell alignment unit may be two.
  • two battery cell alignment units may be disposed, one at each end of the seating unit.
  • two battery cell alignment units may be arranged in one line at one end of the seating unit.
  • the seating part may have an empty space formed in at least a part of the seating part in which the battery cell is seated.
  • an inclined surface may be formed on at least one of the first block and the second block.
  • An inclined surface may be formed on an inner surface of at least one of the first block and the second block.
  • a curved surface may be formed on at least a portion of the inclined surface.
  • the curved surface may be formed at an edge portion at which the inclined surface starts and at an edge portion at which the inclined surface ends.
  • the battery cell stacking jig may further include a vibration generator for generating vibration in the battery cell stacking jig.
  • the vibration generating unit may generate vibrations in at least one of the first block and the second block.
  • the vibration generating unit may generate a vibration in the horizontal direction with respect to the ground.
  • the vibration generating unit may generate a vibration in the vertical direction with respect to the ground.
  • Electrode assembly manufacturing apparatus for achieving the above object may include the above-described battery cell stack jig.
  • the secondary battery manufacturing apparatus for achieving the above object may include the above-described battery cell stack jig.
  • the battery cells used to manufacture the stack type electrode assembly can be stacked in a precisely aligned state.
  • the degree of alignment of the battery cells can be improved, thereby increasing the energy density of the electrode assembly.
  • battery cells can be stacked regardless of the specifications of the battery cells, and there is no need to design or manufacture a battery cell stacking jig according to the size of the battery cells.
  • the battery cells are aligned and stacked according to the specification of the electrode tab, not the outermost specification of the battery cell, there is no need to newly design or manufacture the battery cell stacking jig according to the size of the battery cell.
  • the battery cell can be easily inserted between the first block and the second block along the inclined surface formed in the first block and / or second block of the battery cell alignment. Therefore, even when the battery cells do not fall down correctly between the first block and the second block, the battery cells can be accurately inserted and stacked between the first block and the second block.
  • the vibration generating unit generates a vibration in the battery cell stack jig can be more easily inserted into the first block and the second block.
  • FIG. 1 is a view schematically showing a battery cell stack jig according to an embodiment of the present invention.
  • FIG. 2 is a view schematically showing an example of a state in which battery cells are stacked and stacked in a battery cell stack jig according to an embodiment of the present invention.
  • FIG. 3 is a view schematically showing another example of a state in which battery cells are stacked and stacked in a battery cell stack jig according to an embodiment of the present invention.
  • FIG. 4 is a front view of FIG. 3.
  • FIG. 5 is a schematic view of a battery cell stacking jig according to another embodiment of the present invention and a battery cell stacked on the battery cell stacking jig.
  • FIG. 6 is a schematic view of a battery cell stack jig according to still another embodiment of the present invention.
  • FIG. 7 is a view schematically illustrating an example of a state in which battery cells are taped after being aligned and stacked in a battery cell stack jig according to another exemplary embodiment of the present disclosure.
  • FIG. 8 is a view schematically illustrating a state in which battery cells are stacked and stacked on a battery cell stack jig according to another embodiment of the present disclosure.
  • FIG. 9 is a front view schematically showing an example of a state in which battery cells are stacked and stacked in a battery cell stack jig according to another exemplary embodiment of the present invention.
  • FIG. 10 is a front view schematically showing a battery cell stack jig according to still another embodiment of the present invention.
  • FIG. 11 is a front view schematically illustrating a state in which battery cells are stacked and stacked on a battery cell stack jig according to another exemplary embodiment of the present disclosure.
  • FIG. 12 is a perspective view of the battery cell stack jig of FIG. 11.
  • FIG. 13 is a view schematically illustrating an example of a state in which battery cells are taped after being aligned and stacked on the battery cell stack jig of FIG. 12.
  • FIG. 14 is a view schematically illustrating an example in which battery cells are aligned and stacked on a battery cell stack jig according to another exemplary embodiment of the present disclosure.
  • FIG. 15 is a front view schematically showing another example of a state in which battery cells are stacked and stacked on a battery cell stack jig according to another embodiment of the present disclosure.
  • FIG. 16 is a front view schematically showing still another example of a state in which battery cells are stacked and stacked on a battery cell stack jig according to another embodiment of the present disclosure.
  • 17 is a front view schematically showing still another example of a state in which battery cells are stacked and stacked on a battery cell stack jig according to another embodiment of the present invention.
  • FIG. 18 is a front view schematically illustrating an example in which battery cells are stacked and stacked on a battery cell stack jig according to another exemplary embodiment of the present invention.
  • FIG. 19 is a schematic view of a battery cell stack jig according to still another embodiment of the present invention.
  • 20 is a view schematically illustrating an example of a state in which battery cells are taped after being aligned and stacked in a battery cell stack jig according to another exemplary embodiment of the present invention.
  • 21 is a schematic view of a battery cell stack jig according to still another embodiment of the present invention.
  • FIG. 22 is a view schematically illustrating an example of a state in which battery cells are taped after being aligned and stacked on a battery cell stack jig according to another exemplary embodiment of the present disclosure.
  • FIG. 1 is a view schematically showing a battery cell stack jig according to an embodiment of the present invention.
  • a battery cell stack jig includes a seating part 100 and a battery cell alignment part 200 for stacking two or more battery cells 10.
  • the battery cell 10 is a component constituting the stack type electrode assembly, the positive electrode plate 11, the positive electrode tab (t) provided on the positive electrode plate 11, the negative electrode plate 12, the negative electrode provided on the negative electrode plate 12
  • the tab t and the separator 13 interposed between the positive electrode plate 11 and the negative electrode plate 12 are included. That is, two or more such battery cells 10 may be stacked to form a stack type electrode assembly.
  • the seating part 100 provides a space in which the above-described battery cell 10 is seated. Therefore, the battery cell 10 may be sequentially seated on the seating part 100. In this case, the battery cell 10 may be seated on the seating part 100 in a state regularly aligned by the battery cell alignment unit 200 to be described later.
  • the battery cell alignment unit 200 may include a first block 210 and a second block 220 so that the battery cells 10 may be aligned side by side.
  • the first block 210 and the second block 220 is mounted on the seating portion 100, as shown in FIG.
  • the first block 210 and the second block 220 may be spaced apart by a predetermined distance.
  • At least one of the first block 210 and the second block 220 may be configured to be movable on the seating portion 100.
  • the battery cell stacking jig may move along a guide rail r formed on the left and right sides of the seating part 100 and along the guide rail r in the front and rear directions.
  • Two plates p are provided.
  • the battery cell stack jig according to an embodiment of the present invention includes a first block 210 and a second block 220 coupled to the plate p and moving in the left and right directions along the plate p. Doing. As such, the first block 210 and the second block 220 may be implemented to be movable on the seating part 100.
  • both the first block 210 and the second block 220 are implemented to be movable, but the present invention is not necessarily limited to such an embodiment, and the first block 210 may be used. And it may be implemented that only one of the second block 220 is movable.
  • the battery cell stacking jig according to the exemplary embodiment of the present invention illustrated in FIG. 1 includes a guide rail r and a plate p, and is formed using the guide rail r and the plate p.
  • the first block 210 and the second block 220 are implemented to move on the seating part 100, the present invention is not necessarily limited to this embodiment.
  • At least one of the first block 210 and the second block 220 of the battery cell alignment unit 200 may move in the left and right directions on the seating unit 100, and the other According to an embodiment, at least one of the first block 210 and the second block 220 may move in the front-rear direction on the seating part 100, and according to another embodiment, as in the embodiment of FIG. 1. At least one of the first block 210 and the second block 220 may move in the front-rear direction and the left-right direction on the seating part 100.
  • the first block 210 and the second block 220 may move freely in the left and right directions, but cannot move freely in the front and rear directions, but move together along the plate p.
  • the present invention is not limited to these embodiments. That is, when the first block 210 moves forward, the second block 220 may move backwards, and when the first block 210 moves backward, the second block 220 moves forward. It may be implemented to move in the direction.
  • FIG. 2 is a view schematically showing an example of a state in which battery cells are stacked and stacked in a battery cell stack jig according to an embodiment of the present invention.
  • the battery cell 10 illustrated on the right side of FIG. 2 includes an electrode tab t protruding forward and an electrode tab t protruding backward.
  • These battery cells 10 may be stacked in a state aligned with the battery cell stack jig shown in the left side of FIG. That is, as described above, the first block 210 and the second block 220 are disposed to be moved on the seating portion 100 so that the battery cells 10 can be aligned, and then the battery cells 10 are firstly arranged. Inserted between the block 210 and the second block 220 may be sequentially stacked.
  • the arrangement of the first block and the second block and the stacking process of the battery cells may be performed as follows. That is, at least one battery cell 10 is first seated on the seating part 100, and then in a state in which the first block 210 and the second block 220 are disposed in accordance with the outer standard of the battery cell 10. In addition, the remaining battery cells 10 may be inserted between the first block 210 and the second block 220 disposed according to the outer standard of the battery cell 10 and sequentially stacked.
  • all of the battery cells 10 to be stacked are properly seated on the seating part 100, and then the first block 210 and the second block 220 meet the outer specifications of the battery cell 10. May be arranged so that the battery cells 10 may be aligned.
  • the battery cells 10 having various specifications may be stacked.
  • a battery cell stack jig conforming to the 8 ⁇ 6 standard is required, and In order to stack the battery cells 10 having a size of 12 ⁇ 9, a battery cell stack jig conforming to a standard of 12 ⁇ 9 is required. Therefore, there is a inconvenience in that the battery cell stacking jig must be separately designed and manufactured according to the size of the battery cells 10 to be stacked.
  • the first block 210 and / or the second block 220 aligning the battery cells 10 are movable, it is possible to stack the battery cells 10 having various specifications. That is, in the above example, when stacking the battery cells 10 having an outer size of the battery cell 10 of 8 ⁇ 6, the first block 210 and / or the second to meet the standard of 8 ⁇ 6 The block 220 may be moved, and when stacking the battery cells 10 having an outer size of the battery cell 10 of 12 ⁇ 9, the first block 210 and / or conforms to the standard of 12 ⁇ 9. The second block 220 may move.
  • the battery cell stack jig aligns the battery cells 10 based on the electrode tabs t provided in the battery cells 10, and allows the battery cells 10 to be sequentially stacked. Can be.
  • FIG. 3 is a view schematically showing another example in which battery cells are aligned and stacked on a battery cell stack jig according to an embodiment of the present invention
  • FIG. 4 is a front view of FIG. 3.
  • FIGS. 3 and 4 An example of the stacking method illustrated in FIGS. 3 and 4 is that the electrode tabs provided in the battery cells 10 are not aligned with respect to the periphery of the battery cells 10 as compared to FIG. 2. sorted by (t). That is, the first block 210 and the second block 220 are disposed on the mounting part 100 so that the electrode tab t of the battery cell 10 can be aligned, and provided in the battery cell 10. The electrode tab t may be inserted between the first block 210 and the second block 220 and sequentially stacked. According to one embodiment, at least one battery cell 10 is first seated on the seating portion 100, and then an electrode tab in which the first block 210 and the second block 220 are provided in the battery cell 10.
  • the remaining battery cells 10 are inserted between the first block 210 and the second block 220 disposed according to the outer standard of the electrode tab t and sequentially. Can be stacked. According to another embodiment, all the battery cells 10 to be stacked are properly seated on the seating part 100, and then an electrode tab having the first block 210 and the second block 220 provided in the battery cell 10. The battery cells 10 may be aligned while being disposed to meet the standard of (t).
  • the size of the electrode assembly in which the battery cells 10 are stacked is directly related to the energy density. In other words, if the size of the electrode assembly is large, the energy density is high, and if the size of the electrode assembly is small, the energy density is low. Therefore, the size of the electrode assembly needs to be variously changed to adjust the energy density.
  • the size of the electrode assembly may be adjusted by adjusting the size of the battery cells 10 to be stacked. That is, in the battery cell 10, the size of the battery cell 10 itself, that is, the outer periphery of the battery cell 10 is often changed, rather than the case where the size of the electrode tab t is changed. Therefore, it is preferable to align the battery cells 10 based on the electrode tabs t provided in the battery cells 10 rather than aligning the battery cells 10 with respect to the outside of the battery cells 10.
  • the first block 210 and the second block 220 may be spaced apart by the width of the electrode tab t. That is, as shown in FIGS. 3 and 4, when the width of the electrode tab t is d and the distance between the first block 210 and the second block 220 is l, d and l It may be the same, or d may be smaller than l by a slight difference. As such, when the first block 210 and the second block 220 are spaced apart by the width of the electrode tab t, the alignment degree of the battery cell 10 may be further improved.
  • the battery cell alignment unit 200 may be two.
  • each of the battery cell alignment units 200 may be disposed at one end of each of the seating units 100, that is, one at a rear end of the seating unit 100.
  • this embodiment may be more suitable for aligning the battery cell 10 in which the electrode tab t protrudes in both directions as shown in FIGS. 2 and 3.
  • two battery cell alignment units 200 may be arranged in one line at one end of the seating unit 100.
  • FIG. 5 is a schematic view of a battery cell stacking jig according to another embodiment of the present invention and a battery cell stacked on the battery cell stacking jig.
  • the battery cell 10 illustrated on the right side of FIG. 5 includes a positive electrode tab t and a negative electrode tab t protruding in all directions, and the battery cell stack illustrated in the left side of FIG. 5.
  • the jig includes two battery cell alignment units 200 at the front end of the seating unit 100.
  • the battery cell alignment unit 200 includes a first rail 210, a second block 220, and a guide rail r for allowing the first block 210 and the second block 220 to move in the left and right directions. ).
  • the battery cell stack jig according to this embodiment may be suitable for aligning the battery cells 10 in which the electrode tab t protrudes in one direction.
  • first block 210 and the second block 220 included in the battery cell stack jig according to the embodiment of FIG. 5 are not shown to move in the front-rear direction.
  • the present invention is not limited to this embodiment, when stacking the battery cells 10 in which the electrode tab t protrudes in one direction, the first block 210 and / or the second block 220 are moved back and forth. Since the necessity to move in the direction is not large, a configuration for moving the first block 210 and / or the second block 220 in the front-rear direction may not be included.
  • the seating part 100 may have an empty space formed in at least a portion of the seating part 100 on which the battery cell 10 is seated.
  • FIG. 6 is a view schematically showing a battery cell stack jig according to another embodiment of the present invention
  • Figure 7 is, after the battery cells are aligned and stacked on the battery cell stack jig according to another embodiment of the present invention
  • FIG. I is a view schematically showing an example of a taped appearance.
  • the seating part 100 of the battery cell stacking jig has an empty space e at left and right side portions of the seating part 100 on which the battery cell 10 is seated. Is formed.
  • the stacked battery cells 10 are stacked. It is fixed by the tape f.
  • the battery cells 10 may be aligned and stacked, and then the process of fixing the stacked battery cells 10 with a tape f may be performed. 6 and 7, when an empty space e is formed in a portion of the seating part 100, a subsequent process of fixing the stacked battery cells 10 with a tape f is easy. There is an advantage that can be performed.
  • the empty space e is formed at the left and right side portions of the seating part 100, but the present invention is not limited to this embodiment, but only one side of the seating part 100 is empty.
  • the space e may be formed, or the empty space e may be formed in a portion other than the side portion. That is, such empty spaces e may be formed at various positions of the seating portion 100 to facilitate the subsequent taping process.
  • an inclined surface may be formed on at least one of the first block 210 and the second block 220.
  • an inclined surface may be formed on an inner surface of at least one of the first block 210 and the second block 220.
  • FIG. 8 is a view schematically showing a state in which battery cells are stacked and stacked on a battery cell stack jig according to another embodiment of the present invention
  • FIG. 9 is a battery cell stack jig according to another embodiment of the present invention. Is a front view schematically showing an example of a state in which battery cells are aligned and stacked.
  • a battery cell stack jig includes a seating part 100 and a battery cell alignment part 200 for stacking two or more battery cells 10. do.
  • the battery cell alignment unit includes a first block 210 and a second block 220.
  • inclined surfaces are formed on inner surfaces of the first block 210 and the second block 220. According to this embodiment, the stacking of the battery cells 10 is easy. That is, when the battery cell 10 is inserted into the first block 210 and the second block 220, the battery by the inclined surface formed on the inner surface of the first block 210 and / or the second block 220 The insertion direction of the cell is guided so that the battery cells can be easily inserted and stacked between the first block 210 and the second block 220.
  • the battery cell 10 may be connected to the first block 210. It may be inserted between the first block 210 and the second block 220 along the slope formed on the inner side of the.
  • the present invention is not limited to these embodiments. That is, the inclined surface may be formed only in the first block 210, or the inclined surface may be formed only in the second block 220.
  • a curved surface may be formed on at least a portion of the inclined surface formed in the first block 210 and / or the second block 220. More preferably, the curved surface is formed at the corner portion where the inclined surface begins and the corner portion where the inclined surface ends.
  • FIG. 10 is a front view schematically showing a battery cell stack jig according to still another embodiment of the present invention.
  • a convex curved surface is formed on the inclined surfaces formed on the inner surfaces of the first block 210 and the second block 220.
  • the curved surface is formed in the corner portion where the inclined surface begins and the corner portion where the inclined surface ends and the inclined surface in general. That is, gentle slopes are formed on the inner surfaces of the first block 210 and the second block 220.
  • the battery cells 10 collide with the edges of the inclined surfaces formed in the first block 210 and / or the second block 220 while the battery cells 10 are inserted into the battery cell stacking jig. The damage can be minimized.
  • the battery cells 10 may be inserted into and stacked in a space formed between the first block 210 and the second block 220 smoothly along a curved surface.
  • the curved surface is formed in the first half of the inclined surface, but the present invention is not necessarily limited to this embodiment, and the curved surface may be formed only at a portion of the inclined surface.
  • a convex curved surface is formed in FIG. 10
  • a concave curved surface may be formed.
  • curved surfaces having various shapes may be formed.
  • FIG. 11 is a front view schematically illustrating a state in which battery cells are stacked and stacked on a battery cell stack jig according to still another embodiment of the present disclosure.
  • FIG. 12 is a perspective view of the battery cell stack jig of FIG. 11, and FIG. 13.
  • FIG. 12 is a view schematically showing an example of a state in which battery cells are taped after being aligned and stacked on the battery cell stack jig of FIG. 12.
  • the battery cell stacking jig may be guided along a guide rail r formed on the left and right sides of the seating part 100 and along the guide rail r. Two plates p moving in the direction are provided.
  • the battery cell stack jig includes a first block 210 and a second block 220 which are coupled to the plate p and move in the horizontal direction along the plate p.
  • inclined surfaces are formed on inner surfaces of the first block 210 and the second block 220.
  • the battery cell stack jig illustrated in FIGS. 11 to 13 may be referred to as a modification of the embodiment illustrated in FIG. 7. That is, the embodiment illustrated in FIGS. 11 to 13 may be an embodiment in which an inclined surface is formed on any one of the first block 210 and the second block 220 of the battery cell alignment unit 200 which is configured to be movable. Can be.
  • the battery cells 10 may be easily stacked. That is, when the battery cell 10 is inserted into the first block 210 and the second block 220, the battery cell 10 is inserted by the inclined surface formed on the inner surface of the first block 210 and / or the second block 220. The direction may be guided to facilitate insertion and stacking between the first block 210 and the second block 220. Accordingly, as shown in FIG. 11, even when the battery cell 10 does not fall down correctly between the first block 210 and the second block 220, the battery cell 10 may be connected to the first block 210. It may be inserted between the first block 210 and the second block 220 along the slope formed on the inner side of the.
  • the present invention is not limited thereto. That is, the inclined surface may be formed only in the first block 210, or the inclined surface may be formed only in the second block 220.
  • the battery cell stack jig may further include a vibration generator 300 that generates vibration in the battery cell stack jig.
  • FIG. 14 is a view schematically illustrating an example in which battery cells are aligned and stacked on a battery cell stack jig according to another exemplary embodiment of the present disclosure.
  • a battery cell stack jig includes a mounting part 100 and a battery cell alignment part 200 to stack two or more battery cells 10.
  • the battery cell alignment unit 200 includes a first block 210 and a second block 220.
  • the battery cell stack jig includes a vibration generator 300 for generating vibration in the battery cell stack jig.
  • the vibration generator 300 may generate a vibration in the battery cell stack jig to help the battery cell 10 to be easily inserted into the first block 210 and the second block 220.
  • the vibration generating unit 300 may be a well-known vibration means may be employed, the vibration generating unit 300 is not limited to a specific name or shape, the strength of the vibration, the vibration frequency.
  • FIG. 15 is a front view schematically showing another example of a state in which battery cells are stacked and stacked on a battery cell stack jig according to another embodiment of the present disclosure.
  • the battery cells 10 may be formed of the first block 210 and the second block. It does not pass completely between the 220 and is congested between the first block 210 and the second block 220. In this situation, the distance between the first block 210 and the second block 220 is equal to or finer than the width of the battery cell 10 inserted and stacked between the first block 210 and the second block 220. This can happen if there is a difference. In order to improve the alignment of the battery cells 10, the distance between the first block 210 and the second block 220 and the first block 210 and the second block 220 may be inserted and stacked. It is necessary to maintain the width of the battery cells 10 to be equal or finely different. However, in this case, as described above, the battery cell 10 may be congested between the first block 210 and the second block 220.
  • the battery cell stack jig may provide a vibration generator 300 even when a situation in which the battery cell 10 is stagnated between the first block 210 and the second block 220 occurs.
  • the battery cells 10 can be properly stacked on the battery cell stack jig. That is, as shown in FIG. 15, when the battery cell 10 is stagnated between the first block 210 and the second block 220, the battery cell 10 may be vibrated by generating vibration in the battery cell stack jig. It may be to pass easily between the first block 210 and the second block 220.
  • FIG. 16 is a front view schematically showing still another example of a state in which battery cells are stacked and stacked on a battery cell stack jig according to another embodiment of the present disclosure.
  • the battery cell 10 is stagnant on the first block 210 and the seating part 100. This situation is caused by the friction between the battery cell 10 and the seating portion 100 and / or the friction between the battery cell 10 and the first block 210 may not be properly seated in the seating portion 100. May occur in some cases. In this case, when vibration is applied to the battery cell stack jig, the battery cell 10 may be easily seated between the first block 210 and the second block 220.
  • the vibration generating unit 300 may generate vibration in at least one of the first block 210 and the second block 220.
  • the vibration generating unit 300 may generate vibration in at least one of the first block 210 and the second block 220.
  • the battery cell 10 stagnated between the first block 210 and the second block 220. This may more easily pass between the first block 210 and the second block 220.
  • the battery cell 10 covering the first block 210 naturally sits between the first block 210 and the second block 220. Can be.
  • the vibration generating unit 300 may generate a vibration in the horizontal direction (h) with respect to the ground, according to another embodiment, the vibration in the vertical direction (v) relative to the ground Can also generate According to another embodiment, the vibration generating unit 300 generates the vibration in the horizontal direction (h) and the vertical direction (v) together with respect to the ground, or sequentially in the horizontal direction at regular time intervals The vibration of (h) and the vibration in the vertical direction v may be generated.
  • the battery cell 10 may pass between the first block 210 and the second block 220 in the vertical direction v.
  • the vibration in the horizontal direction h may be more effective than the vibration.
  • 17 is a front view schematically showing still another example of a state in which battery cells are stacked and stacked on a battery cell stack jig according to another embodiment of the present invention.
  • the battery cell stack jig includes a movable battery cell alignment unit 200 and a vibration generator 300.
  • the battery cells 10 are not aligned with respect to the outer periphery of the battery cell 10, but are aligned with respect to the electrode tab t provided in the battery cell 10.
  • FIG. 18 is a front view schematically illustrating an example in which battery cells are stacked and stacked on a battery cell stack jig according to another exemplary embodiment of the present invention.
  • a battery cell stack jig includes a movable first block 210 and a second block 220, and includes an electrode provided in the battery cell 10.
  • the battery cells 10 are aligned with respect to the tab t, and inclined surfaces are formed on inner surfaces of the first block 210 and the second block 220, and the first block 210 and the second block are formed.
  • 220 is provided with a vibration generating unit 300 for generating vibration in itself.
  • the vibration generating unit 300 generates the vibration in the vertical direction v and the vibration in the horizontal direction h with respect to the ground.
  • FIG. 19 is a view schematically showing a battery cell stack jig according to another embodiment of the present invention
  • Figure 20 is, after the battery cells are aligned and stacked on the battery cell stack jig according to another embodiment of the present invention
  • FIG. I is a view schematically showing an example of a taped appearance.
  • the battery cell stacking jig may be guided along a guide rail r formed on the left and right sides of the seating part 100 and along the guide rail r. Two plates p moving in the direction are provided.
  • the battery cell stack jig includes a first block 210 and a second block 220 which are coupled to the plate p and move in the horizontal direction along the plate p.
  • the battery cell stack jig illustrated in FIGS. 19 and 20 includes a vibration generator 300. More specifically, the battery cell stack jig includes a vibration generator 300 for generating vibration in the first block 210 and the second block 220 itself.
  • the battery cell stack jig illustrated in FIGS. 19 and 20 may be regarded as a modification of the embodiment illustrated in FIG. 7. That is, the embodiment illustrated in FIGS. 19 and 20 may be referred to as an embodiment including not only the battery cell alignment unit 200 configured to be movable but also a vibration generating unit 300.
  • FIG. 21 is a view schematically illustrating a battery cell stack jig according to another embodiment of the present invention
  • FIG. 22 is a view illustrating a battery cell stack jig according to another embodiment of the present invention.
  • FIG. I s a view schematically showing an example of a taped appearance.
  • the battery cell stacking jig may be guided along a guide rail r formed on the left and right sides of the seating part 100 and along the guide rail r. Two plates p moving in the direction are provided.
  • the battery cell stack jig includes a first block 210 and a second block 220 which are coupled to the plate p and move in the horizontal direction along the plate p. More specifically, in the battery cell stack jig illustrated in FIGS. 21 and 22, inclined surfaces are formed on inner surfaces of the first block 210 and the second block 220.
  • the battery cell stack jig illustrated in FIGS. 21 and 22 includes a vibration generator 300. More specifically, the battery cell stack jig includes a vibration generator 300 for generating vibration in the first block 210 and the second block 220 itself.
  • the battery cell stack jig illustrated in FIGS. 21 and 22 may be a modified example of the embodiment shown in FIG. 7, the embodiment shown in FIGS. 11 to 13, or the embodiment shown in FIGS. 19 and 20. have. That is, in the embodiment shown in Figure 21 and 22, not only the inclined surface is formed on any one of the first block 210 and the second block 220 of the battery cell alignment unit 200 is configured to be movable, It can be said that the embodiment further comprises a vibration generating unit (300).
  • the electrode assembly manufacturing apparatus which concerns on this invention contains the battery cell lamination jig mentioned above. That is, the electrode assembly manufacturing apparatus includes a battery cell stack jig for stacking the battery cells 10 by moving the first block 210 and the second block 220 and a taping device for taping the stacked battery cells 10. And the like may be further included. Such an electrode assembly manufacturing apparatus may further include additional apparatus for manufacturing the electrode assembly.
  • the secondary battery manufacturing apparatus which concerns on this invention contains the battery cell lamination jig mentioned above. That is, the secondary battery manufacturing apparatus includes not only the battery cell stacking jig but also an apparatus for manufacturing an electrode assembly, an apparatus for inserting the manufactured electrode assembly into a battery case, an apparatus for injecting electrolyte into a battery case, and an apparatus for sealing a battery case. And the like may be further included. Such a secondary battery manufacturing apparatus may further include an additional apparatus for manufacturing a secondary battery.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

La présente invention concerne un gabarit d'empilage de cellules de batterie capable d'empiler rapidement des cellules de batterie et d'améliorer le degré d'alignement des cellules de batterie empilées. Un gabarit d'empilage de cellules de batterie selon la présente invention est conçu pour empiler au moins deux cellules de batterie et comprend : une partie à siège pour fournir un espace dans lequel les cellules de batterie sont assises ; et une partie à alignement de cellules de batterie qui comporte un premier bloc, qui est monté sur la partie à siège, et un second bloc, qui est monté sur la partie à siège et est agencé pour être espacé du premier bloc par une distance prédéterminée, le premier bloc et/ou le second bloc étant montés sur la partie à siège pour pouvoir se déplacer sur la partie à siège.
PCT/KR2014/010337 2013-10-31 2014-10-31 Gabarit d'empilage de cellules de batterie WO2015065082A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201480006775.8A CN104969399B (zh) 2013-10-31 2014-10-31 电池单体堆叠夹具
JP2016525513A JP6331201B2 (ja) 2013-10-31 2014-10-31 電池セル積層ジグ

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR10-2013-0131746 2013-10-31
KR1020130131746A KR101888208B1 (ko) 2013-10-31 2013-10-31 전지 셀 적층 지그
KR10-2013-0131745 2013-10-31
KR1020130131745A KR101888207B1 (ko) 2013-10-31 2013-10-31 전지 셀 적층 지그
KR1020130131747A KR101888209B1 (ko) 2013-10-31 2013-10-31 전지 셀 적층 지그
KR10-2013-0131747 2013-10-31

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WO2020216758A1 (fr) * 2019-04-23 2020-10-29 Grob-Werke Gmbh & Co. Kg Dispositif et procédé de fabrication d'un empilement de cellules
CN113314759A (zh) * 2021-05-22 2021-08-27 东莞市佳兴自动化设备科技有限公司 电芯叠片生产线及叠片方法
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EP4152452A1 (fr) * 2021-09-17 2023-03-22 Grob-Werke GmbH & Co. KG Dispositif de positionnement, dispositif d'empilement et procédé d'empilement pour composants d'un empilement d'éléments de batterie ou de piles à combustible

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EP3249732A4 (fr) * 2015-04-02 2018-11-21 LG Chem, Ltd. Appareil d'étanchéité de batterie rechargeable de type pochette
US10547034B2 (en) 2015-04-02 2020-01-28 Lg Chem, Ltd. Sealing apparatus of pouch-type secondary battery
US11217812B2 (en) * 2018-11-06 2022-01-04 Lg Chem, Ltd. Cell taping apparatus and method
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EP4152452A1 (fr) * 2021-09-17 2023-03-22 Grob-Werke GmbH & Co. KG Dispositif de positionnement, dispositif d'empilement et procédé d'empilement pour composants d'un empilement d'éléments de batterie ou de piles à combustible

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CN104969399B (zh) 2017-05-10
CN104969399A (zh) 2015-10-07
JP6331201B2 (ja) 2018-05-30

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