WO2024008349A1 - Verfahren und bearbeitungsvorrichtung zum herstellen einer speicherzelle für einen elektrischen energiespeicher, insbesondere eines kraftfahrzeugs, sowie verwendung einer bearbeitungsvorrichtung - Google Patents
Verfahren und bearbeitungsvorrichtung zum herstellen einer speicherzelle für einen elektrischen energiespeicher, insbesondere eines kraftfahrzeugs, sowie verwendung einer bearbeitungsvorrichtung Download PDFInfo
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- WO2024008349A1 WO2024008349A1 PCT/EP2023/062085 EP2023062085W WO2024008349A1 WO 2024008349 A1 WO2024008349 A1 WO 2024008349A1 EP 2023062085 W EP2023062085 W EP 2023062085W WO 2024008349 A1 WO2024008349 A1 WO 2024008349A1
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- Prior art keywords
- base
- rotation axis
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- electrode
- axis
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Classifications
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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
- H01M10/0409—Machines for assembling batteries for cells with wound electrodes
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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
- H01M10/0431—Cells with wound or folded electrodes
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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- 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
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- 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 invention relates to a method and a processing device for producing a storage cell for an electrical energy storage device, in particular a motor vehicle.
- the invention also relates to the use of such a processing device.
- DE 102012 208 726 B4 discloses a method for producing a separator for use in an electrochemical battery cell of a lithium-ion battery.
- EP 2 684235 B1 discloses an energy storage device with a plurality of memory cells.
- a film structure for a battery for dispensing on a round body is known from WO 2017/129323 A1.
- DE 10 2021 001 982 A1 discloses a cell connector for connecting at least two arresters and/or strands to one another.
- the object of the present invention is to create a method, a processing device and a use of such a processing device so that storage cells for electrical energy storage, in particular for motor vehicles, can be produced in a particularly time- and cost-effective and particularly process-reliable manner.
- a first aspect of the invention relates to a method for producing a storage cell, also simply referred to as a cell, for an electrical energy storage device, in particular a motor vehicle.
- a storage cell also simply referred to as a cell
- electrical energy in particular, can be generated, in particular when the memory cell is fully manufactured stored electrochemically.
- the electrical energy storage device In its fully manufactured state, the electrical energy storage device has the storage cell and several additional storage cells, whereby the previous and following statements regarding the storage cell can easily be transferred to the other, additional storage cells and vice versa.
- the storage cells of the electrical energy storage are, for example, electrically connected to one another, so that electrical energy can be stored, in particular electrochemically, by means of the electrical energy storage.
- the electrical energy storage is a high-voltage component whose electrical voltage, in particular electrical operating voltage or nominal voltage, is preferably greater than 50 volts, in particular greater than 60 volts, and most preferably is several hundred volts.
- the electrical energy storage is used, for example, as a so-called traction storage. This means that in the fully manufactured state of the motor vehicle equipped with the electrical energy storage, the motor vehicle has at least one electrical machine by means of which the motor vehicle can be driven, in particular purely electrically. In order to drive the motor vehicle using the electric machine, the electric machine is supplied with the electrical energy stored in the electrical energy storage.
- the electrical machine is preferably a high-voltage component whose electrical voltage, in particular electrical operating or nominal voltage, is preferably greater than 50 volts, particularly preferably greater than 60 volts, and most preferably is several hundred volts.
- an electrode coil is provided.
- the electrode wrap has at least one electrode foil, which is also referred to as the first electrode foil.
- the electrode film is wound, for example around an imaginary winding axis, to form the electrode winding.
- the electrode winding has a further, second electrode film, which is wound, in particular around the imaginary winding axis, to form the electrode winding, so that the electrode films, in particular around the imaginary winding axis, for example, are wound to form the electrode winding.
- the electrode winding has, for example, a separator arranged between the electrode foils, which, in particular with the electrode foils, is wound up to form the electrode winding, in particular around the imaginary winding axis, for example.
- the electrode wrap is also known as a jelly roll.
- the first electrode foil is or forms a first electrical pole of the memory cell, wherein the first electrical pole has a first electrical polarity.
- the second electrode film forms a second electrical pole of the memory cell, the second electrical pole having a second electrical polarity that is different from the first electrical polarity.
- the electrode film is or forms an electrode of the memory cell, so that, for example, in the completely manufactured state of the memory cell, the electrode film is, forms or is a component of the electrode mentioned.
- the said electrode of the memory cell is produced from the electrode film.
- the electrode film is an anode film, so that said electrode is an anode of the memory cell, and so that, for example, the electrical pole of the memory cell formed by the electrode film is an electrical negative pole of the memory cell.
- the electrode film is a cathode film, so that the electrode is a cathode of the memory cell.
- the electrical pole of the memory cell formed by the electrode film is therefore an electrical positive pole of the memory cell.
- the electrical energy in particular electrochemically, can be stored in the storage cell by means of the electrode and thus by means of the electrode film.
- the electrical energy stored in the memory cell can be provided by the memory cell by means of the electrode and thus, for example, transferred to a component provided in addition to the memory cell, whereby the component can be supplied with the electrical energy stored in the memory cell.
- the component is the electrical machine mentioned.
- a cell housing also simply referred to as a housing, is provided for the memory cell, wherein the electrode winding can be arranged in the housing.
- the processing device also simply referred to as a device, has a base which can be rotated about a base rotation axis, which is also referred to as a base element.
- a base is designed as a disk, so that the Base is also known as base disc.
- the processing device also has several processing elements, which are also referred to as segments or processing segments.
- the processing elements are each rotatable relative to the base about a respective element rotation axis that runs parallel to the base axis of rotation and is spaced from the base axis of rotation.
- the respective processing element can be rotated or pivoted relative to the base about its respective element rotation axis, which runs parallel to the base rotation axis and is spaced from the base rotation axis.
- the element axes of rotation are arranged at a distance from one another, in particular in the circumferential direction of the base extending around the base axis of rotation.
- the element axes of rotation are arranged on a common circle, the center of which preferably lies on the base axis of rotation.
- the processing elements are held on the basic device so that they can rotate, in particular pivot, about the element rotation axes relative to a basic device, in particular a processing device.
- the base is rotatable about the base rotation axis relative to the basic device and in particular also relative to the element rotation axes.
- a respective, arcuate guide of the base is assigned to the respective processing element.
- the base is rotatable about the base rotation axis relative to the element rotation axes and thus preferably also relative to the base device.
- the guide is a guide link designed, for example, as a groove or through-slot, with the respective processing element engaging in the respective guide assigned to the respective processing element.
- the base is rotated about the base rotation axis relative to the electrode winding and relative to the element rotation axes and thus, for example, also relative to the basic device, whereby, by means of the guides, a respective, relative to the electrode winding, relative to the base and, for example, also relative to the Basic device and pivoting movement of the processing elements about the element rotation axes in the direction of the base axis of rotation is effected.
- the guides cause the in the guide engaging processing elements carry out the respective pivoting movement described, in the context of which the respective processing element rotates about its respective element axis of rotation is pivoted in the direction of the base rotation axis.
- the guides and the fact that the processing elements engage in the guides create a positive guidance through which the processing elements are pivoted about the element rotation axes relative to the base and also relative to the electrode winding towards the base rotation axis when the base is about the base rotation axis is rotated relative to the element rotation axes.
- the processing elements By means of the processing elements, at least a portion of the electrode film arranged on an end face of the electrode film is folded over, in particular bent, in particular about a folding axis, in particular a bending axis, as a result of the pivoting movements of the processing elements.
- the partial area is folded over in the direction of the base axis of rotation by means of the processing elements as a result of the pivoting movements of the processing elements.
- the electrode foil of the electrode coil wound into the electrode coil has contacting tabs on its end face, which are also simply referred to as tabs or tabs and protrude from a base body of the electrode foil, in particular in the axial direction of the electrode coil.
- the axial direction of the electrode winding runs along the winding axis, with the axial direction of the electrode winding in particular coinciding with the winding axis.
- the partial area has the contacting lugs.
- the contacting lugs are components, in particular the previously mentioned parts, of the partial area of the electrode foil.
- the contacting lugs are areas of the electrode film, with the areas following one another in the circumferential direction running around the axial direction of the electrode winding and being separated from one another, but with the areas, therefore the contacting lugs, being connected to the base body or held on the base body and are thus connected or held together via the base body.
- the electrode foil is wound spirally to form the electrode coil, so that the electrode foil runs along a spiral-shaped line on its end face, on which the contacting lugs are arranged.
- the contacting lugs are separated from one another and at least partially in the circumferential direction of the electrode winding running around the axial direction of the electrode winding and thus around the winding axis follow one another, it is to be understood in particular that the contacting lugs, viewed along the spiral line, follow one another and are separated from one another, the contacting lugs being held on the base body and held together via the base body. This makes it possible to fold, in particular bend, the respective contacting lug, in particular about a respective folding or bending axis, relative to the base body and in particular in the direction of the base body.
- the contacting lugs are separated from one another in the circumferential direction of the electrode winding or along the spiral line, it is fundamentally possible, for example, for example, one of the contacting lugs, in particular around the folding or bending axis of one contacting lug relative to the base body and relative to the other contacting lugs, in particular in the direction of the base body to fold over, in particular to bend.
- the contacting lugs are folded over, in particular bent, by means of the processing elements as a result of the pivoting movements of the processing elements in the direction of the base body, in particular about a respective folding axis, in particular bending axis, of the respective contacting lugs.
- the or all contacting lugs can be folded over, in particular bent, relative to the base body and in particular in the direction of the base body in a timely and cost-effective and process-reliable manner, in particular at the same time.
- the electrode winding is moved relative to the processing device in such a way that at least the partial area, in particular respective tab partial areas of the contacting lugs, are moved into an effective area of the processing elements, after which the partial area, in particular at least the respective tab partial areas of the contacting lugs, is arranged in the effective area or are.
- the processing elements are initially outside the effective range.
- the processing elements are pivoted in the direction of the base axis of rotation, as described above, the processing elements are moved into the effective area, whereby, for example, the processing elements come into at least indirect, in particular direct, support contact with the partial area of the electrode foil, in particular with the respective contacting lugs, come and, in particular when the processing elements are further pivoted in the direction of the base axis of rotation, the partial area, in particular the contacting lugs, fold over, in particular bend.
- the invention is based in particular on the following findings and considerations:
- the contacting tabs were precisely, but very laboriously, painted inwards by hand and thereby folded in the direction of the base body. This is not an option for the production of larger quantities with sufficient series quality, as undesirable contamination can occur due to hand sweat, hand particles, etc.
- folding the contacting flags by hand is very time-consuming and therefore expensive.
- the invention now enables a time-efficient, cost-effective and process-reliable folding, in particular bending, of the contacting lugs in the direction of the base body. For this purpose, the base is rotated, which thus carries out a particularly space-saving rotational movement.
- the processing elements are pivoted in the direction of the base rotation axis, i.e. inwards, so that the respective processing element carries out its respective, previously described pivoting movement.
- the contacting lugs are folded over, in particular bent, in the direction of the base body, in particular in the direction of the winding axis.
- the invention makes it possible to fold down the contacting lugs at the same time and in a space-saving manner, thus being time-efficient, cost-effective and process-safe, whereby excessive contamination and other impairments can be avoided.
- the contacting lugs can, for example, be rectangular or have a shape different from a rectangle.
- the contacting lugs can be trapezoidal.
- the respective guide is elliptical, that is to say in the form of an elliptical arc segment , is trained.
- the base has a first toothing, in particular a first external toothing, into which a second toothing, in particular a second external toothing, of a gear, also referred to as a pinion, engages.
- the gear is rotated about a gear rotation axis parallel to the base rotation axis and parallel to the respective element rotation axis and spaced from the base rotation axis and from the respective element rotation axis, whereby the base is driven and thereby rotated about the base rotation axis.
- This allows the base to be rotated particularly precisely and in a time- and cost-effective manner, so that the contacting lugs can be folded over precisely and in a time- and cost-effective manner.
- the contact element formed mechanically and electrically in the partial area, in particular separately from the contacting lugs.
- the contact element is, for example, a contact plate.
- the storage cell can advantageously provide the electrical energy via the contact element.
- Folding over the partial area, in particular the contacting lugs, enables a particularly large, mechanical and electrical connection of the partial area, in particular the contacting lugs, to the contact element, so that the storage cell can provide and store the electrical energy particularly advantageously, in particular particularly effectively and efficiently .
- the sub-area, in particular the contacting lugs are welded to the contact element and thereby mechanically and electrically connected is or will be connected to the contact element.
- the contacting lugs are formed in one piece with the base body and therefore in one piece with one another.
- the contacting lugs and the base body are formed from a single piece, so that the contacting lugs and the base body are formed by a monoblock or are designed as a monoblock.
- the contacting lugs and the base body are not composed of several elements that are formed separately and connected to one another, but rather the contacting lugs and the base body are formed by an integral body which is formed in one piece and therefore integrally, which is formed from a single piece and, for example, as the previously mentioned monoblock is formed.
- the partial area, in particular the contacting lugs are formed from a metallic material. This allows particularly time- and cost-effective production to be achieved.
- the partial area, in particular the contacting lugs, and the contact element are formed from the same, in particular metallic, material.
- the base is rotated about the base rotation axis using an electric motor. This allows the base to be rotated particularly precisely and in a timely and cost-effective manner, so that the memory cell can be produced in a timely and cost-effective manner.
- a second aspect of the invention relates to a processing device for producing a storage cell for an electrical energy storage device.
- the processing apparatus according to the second aspect of the invention is used as the processing apparatus of the first aspect of the invention.
- the processing device according to the second aspect of the invention has a base which can be rotated about a base rotation axis and a plurality of processing elements, which are each rotatable relative to the base about a respective element rotation axis which runs parallel to the base rotation axis and is spaced apart from the base rotation axis and which has a respective element rotation axis
- the arcuate guide associated with the processing element engages the base which is rotatable about the base rotation axis relative to the element rotation axes, so that by rotating the base relative to the element rotation axes about the base rotation axis by means of the guides, a respective pivoting movement of the processing elements can be effected relative to the base and in the direction of the base rotation axis is.
- the processing device is, so to speak, constructed in the manner of an iris diaphragm, since the processing elements, like segments of such an iris diaphragm, can be pivoted inwards relative to the base, i.e. in the direction of the base rotation axis, or are pivoted when the base is rotated about the base rotation axis relative to the element rotation axes. This means that the or all contacting lugs can be bent at the same time and thus in a timely, cost-effective and process-reliable manner.
- a third aspect of the invention relates to a use of a processing device according to the second aspect of the invention, wherein the processing device is used to produce a storage cell for an electrical energy storage device, in particular of the motor vehicle.
- Advantages and advantageous embodiments of the first aspect and the second aspect of the invention are to be viewed as advantages and advantageous embodiments of the third aspect of the invention and vice versa.
- FIG. 1 shows a schematic perspective view of an electrode winding for a storage cell of an electrical energy storage device, the electrode winding being processed in a method for producing the memory cell by means of a processing device;
- Fig. 2 is a schematic and perspective front view of the processing device
- FIG. 3 shows a schematic front view of the processing device, with processing elements of the processing device in a starting position
- Fig. 4 is a schematic rear view of the processing device according to Fig. 3;
- FIG. 5 shows a schematic front view of the processing device, with the processing elements being in a respective, first intermediate position
- FIG. 6 is a schematic rear view of the processing device according to FIG. 5; 7 shows a schematic front view of the processing device, with the processing elements being in a respective, second intermediate position;
- FIG. 8 is a schematic rear view of the processing device according to FIG. 7;
- FIG. 9 shows a schematic front view of the processing device, with the processing elements being in a respective folded position
- FIG. 10 is a schematic rear view of the processing device according to FIG. 9.
- Fig. 11 is a schematic, developed view of an electrode film of the electrode wrap.
- a method for producing a storage cell for an electrical energy storage device of a motor vehicle is explained below with reference to the figure.
- an electrode winding 1 of the memory cell shown in a schematic perspective view in FIG. 1 is produced.
- the electrode coil 1 is processed by means of a processing device 2.
- the electrode coil 1 is provided.
- the electrode coil 1 has a first electrode foil, a second electrode foil and a separator, the electrode foils and the separator being wound in particular around an imaginary winding axis to form the electrode coil 1.
- the electrode foils and the separator are first stacked on one another, in particular along a stacking direction, in particular in such a way that the separator is arranged between the electrode foils.
- the electrode foils and the separator form a stack in which the separator is arranged between the electrode foils, particularly when viewed along the stacking direction.
- the stack is wound up to form the electrode winding 1, in particular around the imaginary winding axis.
- the electrode foil 3 can be the first electrode foil or the second electrode foil, so that the previous and following statements regarding the electrode foil 3 are applied both to the first electrode foil and to the second electrode foil can be and vice versa.
- the electrode film 3 can, for example, be a cathode film and thus be or form an electrode of the memory cell designed as a cathode.
- the electrode foil 3 is an anode foil and thus is or forms an electrode of the memory cell designed as an anode.
- the electrode foil 3 is preferably formed from a metallic material, in particular copper or aluminum. In particular, FIG.
- the electrode film 3 in a state in which the electrode film 3 has not yet been wound up into the electrode coil 1. It can be seen that the electrode film 3 has a base body 4 and contacting lugs 5 projecting from the base body 4.
- the contacting lugs 5 are preferably formed in one piece with the base body 4 and thus in one piece with one another.
- the particular imaginary winding axis around which the electrode foils and the separator are wound to form the electrode winding 1 is designated 6 in FIG. 1.
- the electrode film 3 When the electrode film 3 is wound up to form the electrode coil 1, it has the contacting tabs 5 on its axial end face S1. From Fig. 1 it can be seen that the axial end face S1 of the electrode film 3 wound into the electrode winding 1 coincides overall with a first axial end face of the electrode winding 1.
- the electrode film 3 In its wound state to form the electrode winding 1, the electrode film 3 also has a second axial end face S2, which, viewed in the axial direction of the electrode winding 1 and thus along the winding axis 6, lies opposite the first axial end face S1 or faces away from the first axial end face S1.
- the second axial end face S2 of the electrode film 3 wound into the electrode winding 1 coincides with a second axial end face of the electrode winding 1 as a whole, so that the axial end faces of the electrode winding 1 and thus the electrode film 3 in the axial direction of the electrode winding 1, its axial direction along the winding axis 6 runs, facing away from each other.
- the contacting lugs 5 protrude from the base body 4 in the axial direction of the electrode winding 1.
- the first axial end face S1, on which the contacting lugs 5 are arranged faces away from the viewer of Fig. 1. It can be seen that the contacting lugs 5 are arranged in a partial area of the electrode foil 3 arranged on the end face S1, and are therefore components of the partial area of the electrode foil 3.
- the processing device 2 has a base 7, which is designed as a disk and is also referred to as a base disk, and which is rotatable about a base rotation axis 8.
- the base axis of rotation 8 coincides with the winding axis 6.
- the processing device 2 has a plurality of processing elements 9.
- the respective processing element 9 is rotatable about a respective element rotation axis 10 relative to the base 7 and also relative to the electrode winding 1.
- the respective element axis of rotation 10 runs parallel to the base axis of rotation 8 and is spaced from the base axis of rotation 8.
- the element rotation axes 10, which run parallel to one another are spaced apart from one another.
- the respective processing element 9 is assigned a respective guide 11 of the base 7, also referred to as the base element, the respective processing element 9 engaging in the respective guide 11 of the base 7 assigned to the respective processing element 9 .
- the respective processing element 9 has a respective projection 12, which protrudes from a respective base body 13 of the respective processing element 9, in particular along an extension direction.
- the direction of extension runs, for example, parallel or obliquely to the respective element rotation axis 10.
- the respective guide 11 is designed as a through slot in the exemplary embodiment shown in the figures.
- the respective guide 11 is arcuate, in particular elliptical.
- the base 7 is rotatable about the base rotation axis 8 relative to the element rotation axes 10.
- the base 7 is rotated about the base rotation axis 8 relative to the electrode coil 1 and relative to the element rotation axes 10, whereby a respective, relative to the electrode coil 1, relative to the base 7 and in the direction of the base rotation axis 8 takes place by means of the guides 11 Pivoting movement of the processing elements 9 engaging in the guides 11 is effected about the element rotation axes 10.
- the contacting lugs 5 are folded over, in particular bent, in particular about a respective folding axis, in particular bending axis, of the respective contacting lug 5 by means of the processing elements 9 as a result of the pivoting movements of the processing elements 9 in the direction of the base body 4 and in particular in the direction of the winding axis 6.
- FIGS. 1 and 2 Different positions of the respective processing element 9 are shown in FIGS. 1 and 2.
- a first of the positions of the respective processing element 9 is a starting position A.
- a second of the positions of the respective processing element 9 is a first intermediate position Z1, and a third of the respective positions of the respective processing element 9 is a second intermediate position Z2.
- a fourth of the respective Positions of the respective processing element 9 is a respective folding position U of the respective processing element 9.
- Fig. 3 and 4 the base 7 is in an initial rotational position AD.
- the processing elements 9 are in the starting positions A. If the base 7 is rotated from the starting rotational position AD by, for example, 20 degrees, the processing elements 9 are pivoted from the respective starting position A into the respective, first intermediate position Z1, which is shown in FIG. 5 and 6 is shown. If the base 7 is rotated by 45 degrees from the initial rotational position AD, for example, the processing elements 9 are pivoted, for example, into the respective, second intermediate position Z2, which can be seen in FIGS. 7 and 8. If the base 7 is rotated from the initial rotational position AD by, for example, 45 degrees, the processing elements 9 are pivoted into the respective folding position U, which is shown in FIGS. 9 and 10. In order to fold over the contacting lugs 5, the processing elements 9 are pivoted and therefore moved from the respective starting position A into the respective folding position U by rotating the base 7 as described.
- the base 7 has a first toothing 14, into which a second toothing 15 of a gear 16, also referred to as a pinion, engages.
- the gear 16 is rotated, in particular by means of an electric motor, about a gear rotation axis, in particular relative to the electrode winding 1, the gear rotation axis running parallel to the base rotation axis 8 and parallel to the element rotation axes 10 and from the base rotation axis 8 and from the respective element rotation axes 10 is spaced apart.
- the base 7 is rotated about the base rotation axis 8 relative to the electrode coil 1, whereby the processing elements 9 are pivoted from the respective starting position A into the respective folding position U.
- the contacting lugs 5 are, in particular at the same time, folded over, in particular bent, in particular in the direction of the winding axis 6 and thus in the direction of the base rotation axis 8.
- the folded contacting lugs can have a particularly large area with a contact element formed separately from the electrode film 3, mechanically and electrically connected, in particular welded, whereby a particularly advantageous and firm connection of the contacting lugs 5 to the contact element can be achieved.
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Abstract
Description
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Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202380036843.4A CN119137776A (zh) | 2022-07-08 | 2023-05-08 | 用于制造用于尤其是机动车的电能量蓄存器的蓄存单体的方法和加工装置以及加工装置的用途 |
| US18/864,928 US20250316743A1 (en) | 2022-07-08 | 2023-05-08 | Method and Processing Device for Producing a Storage Cell for an Electrical Energy Storage Device, in Particular of a Motor Vehicle, and Use of a Processing Device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022117045.4A DE102022117045A1 (de) | 2022-07-08 | 2022-07-08 | Verfahren und Bearbeitungsvorrichtung zum Herstellen einer Speicherzelle für einen elektrischen Energiespeicher, insbesondere eines Kraftfahrzeugs, sowie Verwendung einer Bearbeitungsvorrichtung |
| DE102022117045.4 | 2022-07-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024008349A1 true WO2024008349A1 (de) | 2024-01-11 |
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ID=86330180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2023/062085 Ceased WO2024008349A1 (de) | 2022-07-08 | 2023-05-08 | Verfahren und bearbeitungsvorrichtung zum herstellen einer speicherzelle für einen elektrischen energiespeicher, insbesondere eines kraftfahrzeugs, sowie verwendung einer bearbeitungsvorrichtung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20250316743A1 (de) |
| CN (1) | CN119137776A (de) |
| DE (1) | DE102022117045A1 (de) |
| WO (1) | WO2024008349A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025163548A1 (en) * | 2024-02-02 | 2025-08-07 | G.D S.P.A. | Apparatus for packaging electrochemical cells for the production of batteries |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001118562A (ja) * | 1999-10-20 | 2001-04-27 | Sony Corp | リードフォ−ミング方法 |
| US20060024572A1 (en) * | 2004-07-28 | 2006-02-02 | Lee Sang-Won | Secondary battery and method of manufacturing the same |
| EP2684235B1 (de) | 2011-03-11 | 2017-07-12 | Li-Tec Battery GmbH | Energiespeichervorrichtung |
| WO2017129323A1 (de) | 2016-01-26 | 2017-08-03 | Schreiner Group Gmbh & Co. Kg | Folienaufbau für eine batterie zum verspenden auf einem rundkörper |
| DE102021001982A1 (de) | 2021-04-15 | 2021-12-02 | Daimler Ag | Zellverbinder und Verfahren zum Kontaktieren wenigstens zweier galvanischer Zellen |
| DE102012208726B4 (de) | 2011-05-31 | 2022-03-31 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Verfahren zur Herstellung eines Separators für eine Lithium-Ionen-Batterie |
| WO2022191591A1 (ko) * | 2021-03-08 | 2022-09-15 | 주식회사 엘지에너지솔루션 | 포일 탭 포밍 장치 및 포일 탭 포밍 방법 |
| CN115425270A (zh) * | 2022-08-18 | 2022-12-02 | 东莞市赢合技术有限公司 | 一种相机快门式电芯极耳收合成型机构、设备 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022220402A1 (ko) * | 2021-04-16 | 2022-10-20 | 주식회사 디에이테크놀로지 | 원통형 이차전지의 리드탭 성형장치 |
-
2022
- 2022-07-08 DE DE102022117045.4A patent/DE102022117045A1/de active Pending
-
2023
- 2023-05-08 CN CN202380036843.4A patent/CN119137776A/zh active Pending
- 2023-05-08 WO PCT/EP2023/062085 patent/WO2024008349A1/de not_active Ceased
- 2023-05-08 US US18/864,928 patent/US20250316743A1/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001118562A (ja) * | 1999-10-20 | 2001-04-27 | Sony Corp | リードフォ−ミング方法 |
| US20060024572A1 (en) * | 2004-07-28 | 2006-02-02 | Lee Sang-Won | Secondary battery and method of manufacturing the same |
| EP2684235B1 (de) | 2011-03-11 | 2017-07-12 | Li-Tec Battery GmbH | Energiespeichervorrichtung |
| DE102012208726B4 (de) | 2011-05-31 | 2022-03-31 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Verfahren zur Herstellung eines Separators für eine Lithium-Ionen-Batterie |
| WO2017129323A1 (de) | 2016-01-26 | 2017-08-03 | Schreiner Group Gmbh & Co. Kg | Folienaufbau für eine batterie zum verspenden auf einem rundkörper |
| WO2022191591A1 (ko) * | 2021-03-08 | 2022-09-15 | 주식회사 엘지에너지솔루션 | 포일 탭 포밍 장치 및 포일 탭 포밍 방법 |
| DE102021001982A1 (de) | 2021-04-15 | 2021-12-02 | Daimler Ag | Zellverbinder und Verfahren zum Kontaktieren wenigstens zweier galvanischer Zellen |
| CN115425270A (zh) * | 2022-08-18 | 2022-12-02 | 东莞市赢合技术有限公司 | 一种相机快门式电芯极耳收合成型机构、设备 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102022117045A1 (de) | 2024-01-25 |
| CN119137776A (zh) | 2024-12-13 |
| US20250316743A1 (en) | 2025-10-09 |
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