CN213124521U

CN213124521U - Composite polymer solid-state battery cell coiling device

Info

Publication number: CN213124521U
Application number: CN202120581920.2U
Authority: CN
Inventors: 杨书廷; 高志文; 王秋娴; 刘显卿
Original assignee: Battery Research Institute Of Henan Co ltd
Current assignee: Battery Research Institute Of Henan Co ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-05-04
Anticipated expiration: 2031-03-23

Abstract

The utility model discloses a composite polymer solid state battery cell winding device, which comprises a composite roller component, a height adjusting part, a mounting bottom plate and an adjustable support, wherein four corners of the mounting bottom plate are provided with four mounting through holes, inner sides of the mounting through holes are provided with internal threads, the upper surface of the mounting bottom plate is connected with the adjustable support through bolts, the composite roller component is arranged on the adjustable support, the upper surface of the mounting bottom plate is provided with the height adjusting part for adjusting the adjustable support, the connecting seat can be moved to drive a rotating connecting plate to rotate, the connecting plate can be rotated to drive a U-shaped seat to move up and down, so as to adjust the upper and lower positions of the U-shaped seat, so as to adjust the upper and lower positions of the composite roller component, the composite polymer solid state battery cell winding device has simple structure and convenient operation, and can press a negative plate, the coiling effect is better, and convenience is provided for people.

Description

Composite polymer solid-state battery cell coiling device

Technical Field

The utility model relates to a solid state battery electricity core goes into to roll up technical field, specifically is a solid state battery electricity core of composite polymer goes into to roll up device.

Background

Nowadays, electronic products are diversified in forms, such as novel wireless Bluetooth headset products, and therefore the market demand for miniaturized batteries adapted in such products is increased explosively. At present, all liquid small batteries are on the market, and manufacturers can wind the battery core tightly to improve the capacity of the battery in a limited space in order to meet the requirement of electronic products on energy. However, this also has adverse consequences: electrolyte is difficult to wet the inside of the battery core, so that the yield of the liquid Bluetooth headset battery is low, and the consistency is poor.

In order to improve the battery performance better, people aim at a solid-state battery system. Firstly, the energy density of a solid battery is not weaker than that of a liquid battery on the premise of a small button battery structure; the compact winding of the battery core is not only a disadvantage but also an advantage, because the solid-state battery does not need to be injected with electrolyte, and the impedance of the battery can be reduced due to the close contact of a solid-state electrolyte membrane and the anode and the cathode; and finally, the yield of the solid-state Bluetooth headset battery is relatively high, so that the raw material cost and the time cost are saved.

However, the mechanical strength of the polymer solid electrolyte membrane is obviously lower than that of the conventional PP and PE separators. If the polymer electrolyte membrane is cut into strips with the width of several millimeters, the tension resisting capability of the polymer electrolyte membrane is very weak, and the polymer electrolyte membrane is very easy to deform, so that the anode, the cathode and the solid electrolyte membrane are difficult to roll, the thickness of the electrolyte membrane in the battery cell is not uniform, the battery cell is not rolled uniformly, and even the membrane body is broken.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a composite polymer solid state battery electricity core and go into rolling up device, simple structure, it is easy and simple to handle, can be in the same place negative pole piece and solid electrolyte membrane pressfitting for it is better to go into to roll up the effect, provides convenience for people, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compound polymer solid state battery electricity core goes into package and puts, includes compound roller assembly, altitude mixture control spare, mounting plate and adjustable support, four corners of mounting plate is equipped with four mounting through holes, and the inboard of mounting through hole is equipped with the internal thread, and there is adjustable support mounting plate's upper surface through bolted connection, is equipped with compound roller assembly on the adjustable support, mounting plate's upper surface is equipped with the altitude mixture control spare to adjustable support regulation.

Furthermore, adjustable support includes U type seat, and the lower surface four corners of U type seat is equipped with four flexible posts, and it is more convenient to make U type seat adjust from top to bottom through flexible post.

Furthermore, the composite roller assembly comprises an upper composite roller and a lower composite roller which are connected with a U-shaped seat through bearings, two gears which are meshed with each other are arranged at one ends of the upper composite roller and the lower composite roller, a motor which drives the upper composite roller to rotate is arranged on one side of the U-shaped seat, the input end of the motor is electrically connected with the output end of an external switch, the upper composite roller can be driven to rotate through the motor, the lower composite roller is driven to rotate through gear transmission, a negative plate and two solid electrolyte membranes can be pressed together through the upper composite roller and the lower composite roller, the negative plate and the two solid electrolyte membranes are tightly attached to each other, contact between an active material and an electrolyte can be improved, interface impedance is reduced, and energy efficiency and battery performance are improved.

Further, altitude mixture control spare includes the screw post, be equipped with two connecting seats through threaded connection on the screw post, the upper surface and the lower surface of connecting seat all are connected with a rotation connecting plate through the free bearing, the rotation connecting plate upper end of top is connected with the lower surface of U type seat through the free bearing, the rotation connecting plate lower extreme of below passes through the upper surface connection of free bearing and mounting plate, rotate through the screw post and can make two connecting seats open and shut, it rotates the connecting plate rotation to move through the connecting seat and can drive, can drive U type seat through rotating the connecting plate and reciprocate, with this upper and lower position control to U type seat, with this upper and lower position control to composite roller subassembly.

Furthermore, there is manual carousel one end of screw thread post through bolted connection, can drive the screw thread post through manual carousel and rotate for it is more convenient to adjust.

Compared with the prior art, the beneficial effects of the utility model are that: this solid-state battery electricity core of composite polymer is gone into package and is put, has following benefit:

1. the utility model discloses on set up flexible post, it is more convenient to adjust from top to bottom through flexible post messenger U type seat, can drive through the motor and go up compound roller and rotate, and compound roller rotates under driving by gear drive again, can be in the same place negative pole piece and two solid state electrolyte membrane pressfittings through last compound roller and lower compound roller, makes it closely laminate, can improve the contact of active material and electrolyte, reduces interfacial impedance, improves energy efficiency and battery performance.

2. The utility model discloses on set up the screw post, can make two connecting seats open and shut through the screw post rotation, remove through the connecting seat and can drive the rotation connecting plate and rotate, can drive U type seat through rotating the connecting plate and reciprocate to this upper and lower position control to U type seat, with this upper and lower position control to compound roller subassembly.

3. The utility model discloses on set up manual carousel, can drive the screw thread post through manual carousel and rotate for it is more convenient to adjust, and this combined polymer solid state battery electricity core goes into the package and puts, simple structure, and is easy and simple to handle, can go into negative pole piece and two-layer solid state electrolyte membrane pressfitting together, makes to go into to roll up the effect better, provides convenience for people.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic side view of the present invention.

In the figure: the device comprises a composite roller assembly 1, a motor 11, an upper composite roller 12, a gear 13, a lower composite roller 14, a height adjusting piece 2, a manual rotating disc 21, a threaded column 22, a connecting seat 23, a rotating connecting plate 24, a mounting bottom plate 3, an adjustable support 4, a telescopic column 41 and a U-shaped seat 42.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a composite polymer solid battery cell coiling device comprises a composite roller assembly 1, a height adjusting piece 2, a mounting base plate 3 and an adjustable support 4, four corners of the mounting base plate 3 are provided with four mounting through holes, inner sides of the mounting through holes are provided with internal threads, the upper surface of the mounting base plate 3 is connected with the adjustable support 4 through bolts, the composite roller assembly 1 is arranged on the adjustable support 4, the upper surface of the mounting base plate 3 is provided with the height adjusting piece 2 for adjusting the adjustable support 4, the adjustable support 4 comprises a U-shaped seat 42, four telescopic columns 41 are arranged at four corners of the lower surface of the U-shaped seat 42, the U-shaped seat 42 is more convenient to adjust up and down through the telescopic columns 41, the composite roller assembly 1 comprises an upper composite roller 12 and a lower composite roller 14 which are connected with the U-shaped seat 42 through bearings, one end of the upper composite roller 12 and one end of the lower composite roller 14 are provided with two gears 13 which are mutually meshed, and one side of, the input end of the motor 11 is electrically connected with the output end of an external switch, the motor 11 can drive the upper composite roller 12 to rotate, the lower composite roller 14 is driven by the transmission of the gear 13 to rotate, the negative plate and the two solid electrolyte membranes can be pressed together by the upper composite roller 12 and the lower composite roller 14 to be tightly attached, the contact between an active material and the electrolyte can be improved, the interface impedance is reduced, the energy efficiency and the battery performance are improved, the height adjusting piece 2 comprises a threaded column 22, two connecting seats 23 which are connected through threads are arranged on the threaded column 22, the upper surface and the lower surface of each connecting seat 23 are connected with a rotating connecting plate 24 through hinged seats, the upper end of the rotating connecting plate 24 above is connected with the lower surface of the U-shaped seat 42 through the hinged seats, the lower end of the rotating connecting plate 24 below is connected with the upper surface of the mounting base plate 3 through the hinged seats, and the two connecting seats 23 can, move through connecting seat 23 and can drive rotation connecting plate 24 and rotate, can drive U type seat 42 through rotating connecting plate 24 and reciprocate, with this upper and lower position control to U type seat 42, with this upper and lower position control to composite roller subassembly 1, there is manual carousel 21 one end of screw post 22 through bolted connection, can drive screw post 22 through manual carousel 21 and rotate, it is more convenient to make the regulation, this composite polymer solid state battery electricity core goes into the book device, moreover, the steam generator is simple in structure, and is simple and convenient to operate, can be in the same place negative pole piece and two-layer solid state electrolyte membrane pressfitting, it is better to make to go into a roll effect, provide convenience for people.

When in use: make U type seat 42 adjust from top to bottom more convenient through flexible post 41, can drive screw thread post 22 through manual carousel 21 and rotate, it can make two connecting seats 23 open and shut to rotate through screw thread post 22, it can drive through connecting seat 23 removal and rotate connecting plate 24 and rotate, can drive U type seat 42 and reciprocate through rotating connecting plate 24, with this upper and lower position control to U type seat 42, with this upper and lower position control to composite roller subassembly 1, can drive composite roller 12 through motor 11 and rotate, compound roller 14 rotates under the gear 13 transmission drive again, can be in the same place negative pole piece and two-layer solid state electrolyte membrane pressfitting through last composite roller 12 and lower composite roller 14, make its inseparable laminating, can improve the contact of active material and electrolyte, reduce interface impedance, energy efficiency and battery performance are improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compound polymer solid state battery electricity core is gone into package and is put, includes compound roller assembly (1), height-adjusting part (2), mounting plate (3) and adjustable support (4), its characterized in that: four corners of the mounting base plate (3) are provided with four mounting through holes, inner threads are arranged on the inner sides of the mounting through holes, the upper surface of the mounting base plate (3) is connected with an adjustable support (4) through bolts, a composite roller assembly (1) is arranged on the adjustable support (4), and a height adjusting piece (2) for adjusting the adjustable support (4) is arranged on the upper surface of the mounting base plate (3).

2. The composite polymer solid state battery cell reel-in device of claim 1, wherein: the adjustable support (4) comprises a U-shaped seat (42), and four telescopic columns (41) are arranged at four corners of the lower surface of the U-shaped seat (42).

3. The composite polymer solid state battery cell reel-in device of claim 1, wherein: the composite roller assembly (1) comprises an upper composite roller (12) and a lower composite roller (14) which are connected with a U-shaped seat (42) through bearings, two gears (13) which are meshed with each other are arranged at one ends of the upper composite roller (12) and the lower composite roller (14), a motor (11) which drives the upper composite roller (12) to rotate is arranged on one side of the U-shaped seat (42), and the input end of the motor (11) is electrically connected with the output end of an external switch.

4. The composite polymer solid state battery cell reel-in device of claim 1, wherein: the height adjusting piece (2) comprises a threaded column (22), two connecting seats (23) which are connected through threads are arranged on the threaded column (22), the upper surface and the lower surface of each connecting seat (23) are connected with a rotating connecting plate (24) through hinged supports, the upper end of each rotating connecting plate (24) above the connecting seats is connected with the lower surface of a U-shaped seat (42) through hinged supports, and the lower end of each rotating connecting plate (24) below the connecting seats is connected with the upper surface of the mounting bottom plate (3) through hinged supports.

5. The composite polymer solid state battery cell reel-in device of claim 4, wherein: one end of the threaded column (22) is connected with a manual rotating disc (21) through a bolt.