Solid-state battery pole piece preparation device and lamination equipment

Abstract

The utility model discloses a solid-state battery pole piece preparation device and lamination equipment, the solid-state battery pole piece preparation device comprises a material belt film conveying unit, an electrode film transfer unit, a pressing device and a stripping mechanism, the material belt film conveying unit is used for conveying a material belt film along a set direction; a plurality of rubber frames which are sequentially distributed at intervals in the extending direction of the material belt film are formed on the material belt film; the electrode film transfer unit is used for transferring the sheet-shaped electrode film to the inner periphery of the rubber frame; the pressing device is used for pressing the sheet-shaped electrode film and the material belt film and enabling the rubber frame to be attached to the outer edge of the sheet-shaped electrode film; the stripping mechanism is used for stripping the material belt film from the sheet-shaped electrode film attached with the rubber frame, and the inner side surface of the rubber frame is attached with the outer side surface of the sheet-shaped electrode film, so that the solid electrolyte film and the sheet-shaped electrode film are not easy to deviate in the stress process in the pressure maintaining and pressurizing process of the battery cell; and the rubber frame does not shield the upper surface and / or the lower surface of the sheet-shaped electrode film, so that the prepared battery pole piece keeps relatively good electrochemical performance.

Description

Technical Field

[0001] The utility model relates to the technical field of solid-state battery manufacturing, in particular to a device for preparing a solid-state battery electrode sheet and a laminating device. Background Art

[0002] A solid-state lithium metal battery is a battery that uses a solid electrolyte to replace the separator and liquid electrolyte used in traditional lithium-ion batteries, enabling the graphite or silicon anode in traditional lithium-ion batteries to be replaced by a lithium metal anode. The lithium metal anode has a higher energy density than traditional anodes, allowing the battery to store more energy in the same volume.

[0003] However, the existing production process of solid-state batteries is still not mature. In the current process, to ensure that the solid electrolyte membrane and the sheet electrode membrane do not shift during the pressure-holding and pressurizing processes of the battery cell, a glue layer is usually coated on the edge of the sheet electrode membrane to form a glue frame at the edge of the sheet electrode membrane. The glue frame at the edge of the sheet electrode membrane can improve the connection effect (not easily shift) between the solid electrolyte membrane and the sheet electrode membrane in subsequent processes. However, the glue layer directly coated on the edge of the sheet electrode membrane will cover part of the upper / lower surfaces of the edge of the sheet electrode membrane, thereby affecting the electrochemical performance of the finally formed electrode. Summary of the Utility Model

[0004] The utility model aims to at least solve one of the technical problems existing in the prior art. For this purpose, the utility model provides a device for preparing a solid-state battery electrode sheet, which can fix a glue frame to the outer periphery of a sheet electrode membrane and has less influence on the electrochemical performance of the battery electrode sheet.

[0005] The utility model also provides a laminating device.

[0006] According to the solid-state battery electrode sheet preparation device of the first aspect embodiment of the utility model, it includes a tape film conveying unit, an electrode film transferring unit, a pressing device, and a peeling mechanism. The tape film conveying unit is used to convey a tape film along a set direction, and a plurality of glue frames are formed on the tape film at intervals in the extending direction of the tape film; the electrode film transferring unit is used to transfer a sheet electrode membrane to the inner periphery of the glue frame; the pressing device is used to press the sheet electrode membrane and the tape film and make the glue frame fit to the outer edge of the sheet electrode membrane; the peeling mechanism is used to peel the tape film from the sheet electrode membrane with the glue frame attached.

[0007] According to the solid-state battery electrode sheet preparation device of the embodiments of the present invention, it has at least the following beneficial effects: By pressing the sheet electrode film and the tape film with a pressing device, the inner edge part of the pressed glue frame extends inwards to adhere to the outer edge part of the sheet electrode film, and / or, the outer edge part of the pressed sheet electrode film extends outwards to adhere to the inner edge part of the glue frame, that is, the inner side surface of the glue frame is attached to the outer side surface of the sheet electrode film, so that during the pressure maintaining and pressurizing process of the battery cell, the solid electrolyte film and the sheet electrode film are not easily displaced during the force application process, improving the connection effect between the solid electrolyte film and the sheet electrode film in subsequent processes, and since only the inner side surface of the glue frame is attached to the outer side surface of the sheet electrode film and the glue frame does not block the upper surface and / or the lower surface of the sheet electrode film, the prepared battery electrode sheet maintains good electrochemical performance.

[0008] According to the solid-state battery electrode sheet preparation device of the embodiments of the present invention, it has at least the following beneficial effects:

[0009] According to some embodiments of the present invention, the tape film conveying unit is an unwinding mechanism capable of unwinding the tape film, and the peeling mechanism is a winding mechanism capable of winding the tape film.

[0010] According to some embodiments of the present invention, the tape film conveying unit can convey two tape films along a set direction, the two tape films are a first tape film and a second tape film respectively, and the glue frame is formed on the lower end surface of the first tape film and the upper end surface of the second tape film.

[0011] According to some embodiments of the present invention, the tape film conveying unit includes a first unwinding device capable of unwinding the first tape film and a second unwinding device capable of unwinding the second tape film, and the peeling mechanism includes a first winding device capable of winding the first tape film and a second winding device capable of winding the second tape film.

[0012] According to some embodiments of the present invention, the pressing device is a hot pressing unit.

[0013] According to some embodiments of the present invention, the pressing device is a roll pressing mechanism.

[0014] According to some embodiments of the present invention, the solid-state battery electrode sheet preparation device further includes a glue frame printing mechanism for printing the glue frame on the end surface of the tape film.

[0015] According to some embodiments of the present invention, the glue frame printing mechanism is a screen printing device or a transfer roller printing device.

[0016] According to some embodiments of the present utility model, the solid-state battery electrode sheet preparation device further includes an electrode film unwinding mechanism and a cutting mechanism. The electrode film unwinding mechanism is used for unwinding a strip-shaped electrode film, and the cutting mechanism is used for cutting the strip-shaped electrode film to obtain the sheet-shaped electrode film.

[0017] According to some embodiments of the present utility model, the electrode film transfer unit is a manipulator device provided with a suction cup or a clamping mechanism.

[0018] According to some embodiments of the present utility model, the solid-state battery electrode sheet preparation device further includes a vision recognition unit. The vision recognition unit can recognize the position of the glue frame, and the electrode film transfer unit can transfer the sheet-shaped electrode film to the inner circumference of the glue frame according to the position of the glue frame recognized by the vision recognition unit.

[0019] According to the lamination device of the second aspect embodiment of the present utility model, it includes the solid-state battery electrode sheet preparation device as described in any of the above embodiments.

[0020] The lamination device according to the embodiment of the present utility model has at least the following beneficial effects: laminating the positive electrode sheet and the negative electrode sheet to form a solid-state battery cell. Description of the Drawings

[0021] The following further describes the present utility model in conjunction with the drawings and embodiments, where:

[0022] Figure 1 is a schematic structural principle diagram of the solid-state battery electrode sheet preparation device according to the embodiment of the present utility model;

[0023] Figure 2 is a schematic diagram when the lamination device of the present utility model slices the negative sheet-shaped electrode film and the solid-state electrolyte;

[0024] Figure 3 is a schematic diagram after the lamination device of the present utility model completes lamination;

[0025] Figure 4 is a schematic structural diagram of the solid-state battery electrode sheet prepared by the solid-state battery electrode sheet preparation device according to the embodiment of the present utility model.

[0026] Reference Numerals in the Drawings:

[0027] Sheet-shaped electrode film 101, strip-shaped electrode film 102;

[0028] First strip film 201, second strip film 202, glue frame 203, first unwinding device 210, second unwinding device 220;

[0029] Pressing device 300, pressing roller group 310;

[0030] The first winding device 410 and the second winding device 420;

[0031] The electrode film unwinding mechanism 500;

[0032] The cutting mechanism 600;

[0033] The positive electrode plate 910, the negative electrode plate 920, the solid electrolyte membrane 930, and the negative electrode plate assembly 940. Detailed implementation manners

[0034] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation to the present invention.

[0035] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as left and right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0036] In the description of the present invention, if the first and second are described only for the purpose of distinguishing technical features, they should not be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence of the indicated technical features.

[0037] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installation, and connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific content of the technical solution.

[0038] In the related art, when preparing a solid-state battery, in order to ensure that the solid electrolyte membrane and the sheet-shaped electrode membrane do not shift during the pressure maintaining and pressurizing processes of the battery cell, a glue layer is usually coated on the edge of the sheet-shaped electrode membrane to form a glue frame at the edge of the sheet-shaped electrode membrane. The glue frame at the edge of the sheet-shaped electrode membrane can improve the connection effect (not easily shift) between the solid electrolyte membrane and the sheet-shaped electrode membrane in subsequent processes. However, the glue layer directly coated on the edge of the sheet-shaped electrode membrane will cover part of the upper / lower surfaces of the edge of the sheet-shaped electrode membrane, thereby affecting the final electrode electrochemical performance.

[0039] The following refers to Figures 1 to 4 Describe the solid-state battery electrode plate preparation device and lamination equipment according to the embodiments of the present invention.

[0040] As shown Figure 1 in FIG. 1, the solid-state battery electrode sheet preparation device according to the specific embodiment of the first aspect of the present invention includes a tape film conveying unit, an electrode film transferring unit, a pressing device 300, and a peeling mechanism. Among them, the tape film conveying unit is used to convey the tape film along a set direction, and a plurality of glue frames 203 are formed on the tape film at intervals along the extending direction of the tape film; the electrode film transferring unit is used to transfer the sheet-shaped electrode film 101 to the inner circumference of the glue frame 203; the pressing device 300 is used to press the sheet-shaped electrode film 101 and the tape film, and make the glue frame 203 fit to the outer edge of the sheet-shaped electrode film 101; the peeling mechanism is used to peel the tape film from the sheet-shaped electrode film 101 with the glue frame 203 attached thereto.

[0041] By pressing the sheet-shaped electrode film 101 and the tape film with the pressing device 300, the inner edge portion of the squeezed glue frame 203 extends inward to adhere to the outer edge portion of the sheet-shaped electrode film 101, and / or the outer edge portion of the squeezed sheet-shaped electrode film 101 extends outward to adhere to the inner edge portion of the glue frame 203, that is, the inner side surface of the glue frame 203 is attached to the outer side surface of the sheet-shaped electrode film 101, so that during the pressure maintaining and pressurizing process of the battery cell, the solid electrolyte film and the sheet-shaped electrode film 101 are not easily displaced during the force application process, improving the connection effect between the solid electrolyte film and the sheet-shaped electrode film 101 in the subsequent process, and since the inner side surface of the glue frame 203 is only attached to the outer side surface of the sheet-shaped electrode film 101, the glue frame 203 does not block the upper surface and / or the lower surface of the sheet-shaped electrode film 101, making the prepared battery electrode sheet maintain good electrochemical performance.

[0042] Specifically, as shown Figure 1 in FIGS. 2 Figure 2 - Figure 3 4 Figure 4 in some embodiments of the present invention, the solid-state battery electrode sheet preparation device is used to prepare the positive electrode sheet 910. The negative electrode sheet assembly 940 is unrolled by a unrolling mechanism and cut to a set length. The negative electrode sheet assembly 940 includes a negative electrode sheet 920 and solid electrolyte films 930 respectively covering the upper and lower end surfaces of the negative electrode sheet 920. The laminating device alternately laminates the positive electrode sheet 910 and the negative electrode sheet assembly 940 to form a battery cell. Solid electrolyte films 930 are provided above and below the positive electrode sheet 910. During the pressure maintaining and pressurizing process of the battery cell by the isostatic pressing device, the glue frame 203 located between the solid electrolyte film 930 and the positive electrode sheet 910 ensures that the solid electrolyte film 930 and the positive electrode sheet 910 are not easily displaced during the force application process, so that the solid electrolyte film 930 and the positive electrode sheet 910 have a good connection effect.

[0043] It can be understood that in some embodiments of the present invention, the solid-state battery electrode sheet preparation device can also be used to prepare other electrode sheets, which will not be elaborated here.

[0044] In some embodiments of the present utility model, when the pressing device 300 presses the sheet-shaped electrode film 101 and the tape film, the inner side surface of the rubber frame 203 is made to fit with the outer side surface of the sheet-shaped electrode film 101. At the same time, the gap between the outer edge of the sheet-shaped electrode film 101 and the inner edge of the rubber frame 203 can also be eliminated, reducing the occurrence of short circuits due to direct contact between adjacent electrode films.

[0045] As Figure 1 shown, in some embodiments of the present utility model, the tape film conveying unit is an unwinding mechanism capable of unwinding the tape film, and the peeling mechanism is a winding mechanism capable of winding the tape film. The continuous conveyance of the tape film is achieved through the unwinding and winding mechanisms. At the same time, when the tape film is wound, the tape film can be peeled off from the sheet-shaped electrode film 101 with which the rubber frame 203 is attached.

[0046] Specifically, the tape film is a coil. After the pressing device 300 presses the sheet-shaped electrode film 101 and the tape film, the inner side surface of the rubber frame 203 is fixedly attached to the outer side surface of the sheet-shaped electrode film 101. The winding mechanism is provided above or below the sheet-shaped electrode film 101. When the winding mechanism winds the tape film, the tape film can be pulled to be peeled off from the sheet-shaped electrode film 101, and the rubber frame 203 remains on the outer edge of the sheet-shaped electrode film 101.

[0047] It can be understood that, in some embodiments of the present utility model, the tape film can be a long film material and is not wound. The tape film conveying unit can be at least one set of feeding roller groups, and the tape film is pulled or pushed out through the feeding roller groups.

[0048] It can be understood that, in some embodiments of the present utility model, the tape film can be a long film material, and the peeling mechanism can be at least one set of feeding roller groups. The tape film is pulled by the feeding roller groups to be peeled off from the sheet-shaped electrode film 101.

[0049] As Figure 1 shown, in some embodiments of the present utility model, the tape film conveying unit can convey two tape films along a set direction. The two tape films are respectively the first tape film 201 and the second tape film 202. The lower end surface of the first tape film 201 and the upper end surface of the second tape film 202 form a rubber frame 203. When the pressing device 300 presses the sheet-shaped electrode film 101 and the tape film, the rubber frames 203 of the first tape film 201 and the second tape film 202 can be respectively connected to the outer edge of the sheet-shaped electrode film 101.

[0050] Specifically, by providing two tape films and placing the sheet-shaped electrode film 101 between the two tape films, the pressing device 300 respectively pushes the first tape film 201 and the second tape film 202, which can make the pressing effect better and also avoid the pressing device directly contacting the sheet-shaped electrode film 101.

[0051] In some embodiments of the present utility model, a glue frame printing mechanism is used to print a glue frame 203 on the end face of a tape film. By providing a first tape film 201 and a second tape film 202 to carry the glue frame 203, the thickness during the printing of the glue frame 203 can be reduced, facilitating the transfer of the glue frame 203.

[0052] As Figure 1 shown, in some embodiments of the present utility model, the tape film conveying unit includes a first unwinding device 210 capable of unwinding the first tape film 201 and a second unwinding device 220 capable of unwinding the second tape film 202. The peeling mechanism includes a first winding device 410 capable of winding the first tape film 201 and a second winding device 420 capable of winding the second tape film 202. The continuous conveyance of the tape film is achieved through the winding and unwinding mechanism. At the same time, when the tape film is wound, the tape film can be peeled off from the sheet-like electrode film 101 with the glue frame 203 attached.

[0053] In some embodiments of the present utility model, the first winding device 410 and the second winding device 420 peel the first tape film 201 and the second tape film 202 from above and below the sheet-like electrode film 101 respectively, which can maintain the balance of the peeling tension and result in a better peeling effect.

[0054] It should be noted that from the above discussion, in some embodiments of the present utility model, the winding mechanism and the unwinding mechanism can be replaced by a feeding roller group. Therefore, the first unwinding device 210, the second unwinding device 220, the first winding device 410, and the second winding device 420 can also be replaced by a feeding roller group, which can also meet the requirements of feeding the tape film and peeling the tape film.

[0055] It can be understood that in some embodiments of the present utility model, the glue frame 203 can also be provided on only one of the film materials. For example, the glue frame 203 is provided only on the second tape film 202, and the first tape film 201 is replaced with a common film material without a glue frame. After pressing by the pressing device 300, the inner side surface of the glue frame 203 can also be attached to the outer side surface of the sheet-like electrode film 101.

[0056] It can be envisioned that in some embodiments of the present utility model, only one tape film can also be configured. After the sheet-like electrode film 101 is placed inside the perimeter of the glue frame 203 of the tape film, the pressing device 300 directly presses the tape film and the sheet-like electrode film 101, and the inner side surface of the glue frame 203 can also be attached to the outer side surface of the sheet-like electrode film 101.

[0057] In some embodiments of the present utility model, the pressing device 300 is a hot pressing unit. By heating the glue frame 203 to a set temperature and then performing pressing, the attachment effect between the inner side surface of the glue frame 203 and the outer side surface of the sheet-like electrode film 101 can be improved.

[0058] Specifically, the hot pressing unit hot presses the glue frame 203 formed on the surface of the tape film and the sheet-shaped electrode film 201, so as to extrude the glue frame 203 to extend it in the transverse direction to adhere to the outer edge of the sheet-shaped electrode film 201. Based on the hot pressing effect, the colloid can be extended outward to ensure adhesion to the electrode film, avoiding the formation of a gap between the inner edge of the colloid and the outer edge of the electrode film, and further preventing the direct contact and short circuit problem between adjacent electrode films.

[0059] It can be understood that in some embodiments of the present invention, the pressing device 300 can also be a room-temperature pressing mechanism, which can also meet the pressing requirements of the sheet-shaped electrode film 101 and the tape film.

[0060] In some embodiments of the present invention, the pressing device 300 is a roller pressing mechanism, which can realize the continuous pressing of the sheet-shaped electrode film 101 and the tape film.

[0061] Specifically, as Figure 1 shown, the roller pressing mechanism rolls the sheet-shaped electrode film 101 and the tape film through the roller group 310, and can continuously press the sheet-shaped electrode film 101 and the tape film without stopping, improving the working efficiency.

[0062] In some embodiments of the present invention, the roller group 310 of the roller pressing mechanism is a heatable roller group, which heats the glue frame 203 to a set temperature and then presses it, which can improve the adhesion effect between the inner side of the glue frame 203 and the outer side of the sheet-shaped electrode film 101.

[0063] It can be understood that in some embodiments of the present invention, the pressing device 300 can also be other pressing mechanisms, such as pressing the sheet-shaped electrode film 101 and the tape film by the relative movement of two groups of plate members.

[0064] In some embodiments of the present invention, the tape film is a PET film to meet the bearing requirements of the glue frame 203. Of course, in the specific implementation process, the tape film can also be a PC film, a PEF film or an OPP film, etc., which will not be elaborated here.

[0065] In some embodiments of the present invention, the solid-state battery electrode sheet preparation device further includes a glue frame printing mechanism, which is used to print the glue frame 203 on the end face of the tape film to form the glue frame 203 on the end face of the tape film.

[0066] Specifically, the glue frame printing mechanism is arranged after the unwinding station of the tape film and before the placement station of the sheet-shaped electrode film 101, so that the tape film moves to complete the preparation of the glue frame 203 before reaching the placement station of the sheet-shaped electrode film 101.

[0067] In some embodiments of the present invention, the glue frame printing mechanism is a screen printing device.

[0068] Specifically, a buffer mechanism is provided between the screen printing station and the unwinding station of the tape film, and between the screen printing station and the placement station of the sheet electrode film 101 to ensure that the tape film can be continuously unwound and the electrode film can be continuously placed during the printing process.

[0069] In some embodiments of the present invention, the glue frame printing mechanism is a transfer roller printing device.

[0070] Specifically, a frame-shaped convex pattern is formed on the surface of the transfer roller. The transfer roller rotates as the sheet electrode film 101 is conveyed, and at the same time, the transfer roller continuously transfers the glue frame 203 to the tape film, enabling continuous production without the need to set up a buffer mechanism.

[0071] It can be understood that in some embodiments of the present invention, the tape film conveying unit can also directly convey the finished tape film, that is, directly convey the tape film already formed with the glue frame 203. The glue frame 203 on the surface of the tape film is formed in another device unit independent of the solid-state battery electrode sheet preparation device.

[0072] In some embodiments of the present invention, one glue frame 203 can be provided on the surface of the tape film to meet the requirement of preparing a single electrode sheet.

[0073] In some embodiments of the present invention, multiple glue frames 203 can be provided on the surface of the tape film to meet the requirement of continuously preparing multiple electrode sheets.

[0074] It should be noted that in some embodiments of the present invention, the glue frame 203 on the end face of the tape film is printed and formed by the glue frame printing mechanism. The glue frame printing mechanism is arranged after the unwinding station of the tape film and before the placement station of the sheet electrode film 101. One or more glue frames 203 can be reserved (printed) on the end face of the tape film according to the time allocation or time interval of the subsequent processes to meet different preparation efficiency requirements.

[0075] As Figure 1 shown, the solid-state battery electrode sheet preparation device further includes an electrode film unwinding mechanism 500 and a cutting mechanism 600. The electrode film unwinding mechanism 500 is used to unwind the strip-shaped electrode film 102, and the cutting mechanism 600 is used to cut the strip-shaped electrode film 102 to obtain the sheet electrode film 101 to meet the production needs of the electrode sheet.

[0076] In some embodiments of the present invention, the cutting mechanism 600 is a conventional film cutting mechanism, such as a cutter.

[0077] It can be understood that in some embodiments of the present invention, the sheet electrode film 101 can be formed in another device unit independent of the solid-state battery electrode sheet preparation device.

[0078] In some embodiments of the present utility model, the electrode film transfer unit is a manipulator device provided with a suction cup or a clamping mechanism to meet the transfer requirements of the sheet electrode film 101.

[0079] In some embodiments of the present utility model, the solid-state battery electrode sheet preparation device further includes a vision recognition unit. The vision recognition unit can recognize the position of the glue frame 203, and the electrode film transfer unit can transfer the sheet electrode film 101 to the inner circumference of the glue frame 203 according to the position of the glue frame 203 recognized by the vision recognition unit.

[0080] Specifically, the vision recognition unit can recognize the inner edge position of the glue frame 203 of the tape film. Based on the inner edge position of the glue frame 203, it is predicted that the gap between the outer edge position of the sheet electrode film 101 placed on the tape film and the inner edge position of the glue frame 203 is within the allowable range, so as to ensure that after the glue frame 203 is pressed, it can extend and contact the outer edge of the sheet electrode film 101, thereby ensuring the bonding effect.

[0081] As Figure 1 shown, in some embodiments of the present utility model, the vision recognition unit recognizes the position of the glue frame 203 on the second tape film 202. The electrode film transfer unit first places the sheet electrode film 101 on the inner circumference of the glue frame 203 on the second tape film 202, and then the first tape film 201 is sent above the sheet electrode film 101. By correspondingly setting the positions of the glue frames 203 of the first tape film 201 and the second tape film 202, the glue frame 203 of the first tape film 201 can be sleeved from above the sheet electrode film 101 to the outer circumference of the sheet electrode film 101, so that the sheet electrode film 101 is placed on the inner circumference of the glue frames 203 of the first tape film 201 and the second tape film 202, ensuring the pressing effect.

[0082] It can be understood that in some embodiments of the present utility model, the position of the glue frame 203 can also be recognized by other means. For example, when the glue frame 203 is printed, recognition marks are printed at the same time, and the electrode film transfer unit locates the position of the glue frame 203 through the mark recognition unit, so as to accurately place the sheet electrode film 101 into the inner circumference of the glue frame 203.

[0083] The lamination device according to the second aspect embodiment of the present utility model includes the solid-state battery electrode sheet preparation device of any of the above embodiments. The lamination device is used to laminate the positive electrode sheet and the negative electrode sheet to form a solid-state battery cell core.

[0084] In some embodiments of the present utility model, the solid-state battery electrode sheet preparation device is used to prepare the positive electrode sheet. The lamination device stacks the positive electrode sheet formed with a glue frame and the sheet negative electrode sheet with an electrolyte layer attached to the surface to form a cell core.

[0085] The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0086] Certainly, the present utility model is not limited to the above embodiments. Those skilled in the art can also make equivalent deformations or substitutions without departing from the spirit of the present utility model, and these equivalent deformations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A solid-state battery pole piece preparation device, characterized in that: include: A material strip film conveying unit, used for conveying the material strip film along a set direction, wherein the material strip film is formed with a plurality of rubber frames which are sequentially spaced and distributed along the extension direction of the material strip film; An electrode film transfer unit, used for transferring the sheet-shaped electrode film to the inner periphery of the glue frame; A pressing device, used for pressing the sheet-like electrode film and the strip film; The peeling mechanism is used to peel the material strip film from the sheet-like electrode film attached to the glue frame.

2. The solid-state battery pole piece preparation device according to claim 1, characterized in that: The material strip film conveying unit is an unwinding mechanism capable of unwinding the material strip film, and the peeling mechanism is a winding mechanism capable of winding the material strip film.

3. The solid-state battery pole piece preparation device according to claim 1 or 2, characterized in that: The material strip film conveying unit can convey two material strip films along a set direction, wherein the two material strip films are respectively a first material strip film and a second material strip film, and the rubber frame is formed on the lower end surface of the first material strip film and the upper end surface of the second material strip film.

4. The solid-state battery pole piece preparation device according to claim 3, characterized in that: The material strip film conveying unit includes a first unwinding device capable of unwinding the first material strip film and a second unwinding device capable of unwinding the second material strip film, and the peeling mechanism includes a first winding device capable of winding the first material strip film and a second winding device capable of winding the second material strip film.

5. The solid-state battery pole piece preparation device according to claim 1, characterized in that: The pressing device is a hot pressing unit.

6. The solid-state battery pole piece preparation device according to claim 1, characterized in that: The solid-state battery pole piece preparation device further comprises a rubber frame printing mechanism, and the rubber frame printing mechanism is used to print the rubber frame on the end surface of the material strip film.

7. The solid-state battery pole piece preparation device according to claim 1, characterized in that: The solid-state battery electrode sheet preparation device also includes an electrode film unwinding mechanism and a cutting mechanism. The electrode film unwinding mechanism is used to unwind a strip electrode film, and the cutting mechanism is used to cut the strip electrode film to obtain the sheet electrode film.

8. The solid-state battery pole piece preparation device according to claim 1, characterized in that: The electrode film transfer unit is a manipulator device provided with a suction cup or a clamping mechanism.

9. The solid-state battery pole piece preparation device according to claim 1, characterized in that: The solid-state battery electrode sheet preparation device also includes a visual recognition unit, which can identify the position of the glue frame, and the electrode film transfer unit can transfer the sheet electrode film to the inner periphery of the glue frame according to the position of the glue frame identified by the visual recognition unit.

10. A lamination device, characterized in that: include: A solid-state battery electrode preparation device as described in any one of claims 1 to 9.

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