CN218414946U

CN218414946U - Nickel strap for lithium ion battery cathode material

Info

Publication number: CN218414946U
Application number: CN202221918532.XU
Authority: CN
Inventors: 董健锋
Original assignee: Hunan Ranxu Energy Technology Co ltd
Current assignee: Hunan Ranxu Energy Technology Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2023-01-31
Anticipated expiration: 2032-07-25

Abstract

The utility model discloses a nickel strap for lithium ion battery cathode material, which comprises a substrate, the nickel strap, the nickel piece of circular structure, the roof, the screw thread section of thick bamboo, solid fixed cylinder and threaded rod, one side of base plate is provided with the nickel strap, the outside of nickel strap evenly is fixed with a plurality of nickel pieces, the opposite side of base plate is provided with the roof, the below of base plate avris all is fixed with the screw thread section of thick bamboo, the last fixed threaded rod that is fixed with of screw thread section of thick bamboo, and the other end of threaded rod is fixed in on the solid fixed cylinder that corresponds, this kind of a nickel strap for lithium ion battery cathode material, through be provided with a plurality of nickel pieces on the nickel strap, form bellied laminating point, be convenient for closely laminate with the negative pole of battery, the fastness of multiplicable laminating, avoid the nickel strap to drop easily, improve compactness, can be fixed in the circuit board on the roof simultaneously, leave the heat dissipation space between circuit board and battery, be favorable to battery and circuit board heat dissipation, improve the stability and the life of lithium cell, the risk of explosion is reduced.

Description

Nickel strap for lithium ion battery cathode material

Technical Field

The utility model relates to a lithium cell field specifically is a nickel strap for lithium ion battery cathode material.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a positive/negative electrode material and uses a non-aqueous electrolyte solution, and the lithium metal has very high requirements on the environment due to the very active chemical characteristics of the lithium metal, so that the lithium metal is processed, stored and used. With the development of science and technology, lithium batteries have become mainstream, and the junctions of the positive and negative electrodes of the battery core, the battery protection board and the like all need to be connected by a nickel strap, in particular to the assembly and installation of the lithium battery pack.

At present, a nickel strap for lithium ion battery cathode material is not convenient for and closely laminates with the negative pole end of battery, when jolting, and the nickel strap drops very easily, and the compactness is relatively poor, and does not have the installation clearance between nickel strap and the battery protection shield, causes the heat on circuit board and the battery to be difficult to distribute away fast, influences the life of lithium cell, increases the risk of explosion simultaneously.

To solve the above problems, we therefore propose a nickel tape for a negative electrode material of a lithium ion battery.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a nickel strap for lithium ion battery cathode material, in order to solve above-mentioned technical problem, the utility model provides a following technical scheme:

the utility model relates to a nickel strap for lithium ion battery cathode material, nickel piece, roof, screw thread section of thick bamboo, solid fixed cylinder and threaded rod including base plate, nickel strap, circular structure, one side of base plate is provided with the nickel strap for couple together the negative pole end of lithium cell, help the equipment electrically conductive, the outside of nickel strap evenly is fixed with a plurality of nickel pieces, is used for hugging closely at the negative pole end of lithium cell, increases the compactness of laminating, the opposite side of base plate is provided with the roof for the top is in the battery jar, the top and bottom of base plate avris all is fixed with screw thread section of thick bamboo, the top and bottom of roof avris all is fixed with solid fixed cylinder, be fixed with the threaded rod on the screw thread section of thick bamboo, just on the other end of threaded rod is fixed in corresponding solid fixed cylinder, be convenient for extrude the nickel piece on the negative pole of lithium cell.

Preferably, the bottom of the base plate is provided with a line pressing groove, a bolt is fixed on the line pressing groove, and the inner end of the bolt extends into the line pressing groove.

Preferably, a first limit disc and a second limit disc are fixed in the fixed cylinder, a movable disc is arranged between the first limit disc and the second limit disc, and the end face of the threaded rod is fixed on the movable disc.

Preferably, the center of the first limiting disc is provided with an insertion hole, and the threaded rod penetrates through the insertion hole.

Preferably, an insulating pad is arranged between the substrate and the nickel strap.

Preferably, the insulating pad is adhered to the substrate, and the nickel tape is adhered to the insulating pad.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: a plurality of nickel sheets are arranged on the nickel belt to form a convex joint point, so that the nickel belt is conveniently and tightly jointed with the cathode of the battery; be provided with the roof through one side at the base plate to be provided with the screw thread section of thick bamboo between base plate and roof, fixed section of thick bamboo and threaded rod combination for extrude the firm subsides of nickel piece on the negative pole of battery, increase the fastness of laminating, avoid the nickel strap to drop easily, improve the compactness, can be fixed in the circuit board on the roof simultaneously, leave the heat dissipation space between circuit board and battery, be favorable to battery and circuit board heat dissipation, improve the stability and the life of lithium cell, reduce the risk of explosion.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic diagram of the overall structure of a nickel strip for a negative electrode material of a lithium ion battery according to the present invention;

FIG. 2 is a schematic structural view of the interior of the fixing head of the present invention;

fig. 3 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

In the figure: 1. a substrate; 2. a nickel strap; 3. nickel flakes; 4. a top plate; 5. a threaded barrel; 6. a fixed cylinder; 7. a threaded rod; 8. pressing a wire groove; 9. a bolt; 10. a first limiting disc; 11. a second limiting disc; 12. a movable tray; 13. a jack; 14. an insulating pad.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-3, a nickel strap for a negative electrode material of a lithium ion battery, which comprises a substrate 1, a nickel strap 2, nickel sheets 3 with a circular structure, a top plate 4, a threaded cylinder 5, a fixed cylinder 6 and a threaded rod 7, wherein the nickel strap 2 is arranged on one side of the substrate 1 and used for connecting and conducting electricity, a plurality of nickel sheets 3 are uniformly fixed on the outer side of the nickel strap 2 and used for extrusion and fixation, the other side of the substrate 1 is provided with the top plate 4 and used for fixing a circuit protection board and supporting the substrate 1, the threaded cylinder 5 is fixed on the upper side and the lower side of the substrate 1, the fixed cylinder 6 is fixed on the upper side and the lower side of the top plate 4, the threaded rod 7 is fixed on the threaded cylinder 5, and the other end of the threaded rod 7 is fixed on the corresponding fixed cylinder 6 and used for adjusting the extrusion pressure degree of the substrate 1.

In this embodiment, wire pressing groove 8 has been seted up to the bottom of base plate 1, and wire pressing groove 8 is fixed with bolt 9, and the inner of bolt 9 extends in wire pressing groove 8 for extrude fixed connection.

In this embodiment, a first limiting disc 10 and a second limiting disc 11 are fixed in the fixing cylinder 6, a movable disc 12 is arranged between the first limiting disc 10 and the second limiting disc 11, and the end face of the threaded rod 7 is fixed on the movable disc 12, so that the fixing and the rotation are facilitated.

In this embodiment, jack 13 has been seted up to the center department of first spacing dish 10, and threaded rod 7 passes jack 13, is convenient for rotate.

In this embodiment, an insulating pad 14 is disposed between the substrate 1 and the nickel strap 2 for insulation protection.

In this embodiment, the insulating pad 14 is adhered to the substrate 1, and the nickel strap 2 is adhered to the insulating pad 14 for tight fixation.

The utility model discloses a principle and advantage: when the nickel strap made of the lithium ion battery negative electrode material is used, the lithium batteries are fixed together side by side and are placed in the battery jar, the circuit protection board is fixed on the inner side of the top plate 4, the nickel strap is placed on the inner side of one end of the battery jar, the negative electrodes of the lithium batteries are respectively aligned to the nickel sheets 3, the two threaded rods 7 are rotated simultaneously and are extended out of the threaded barrel 5, the distance between the base plate 1 and the top plate 4 is increased, the top plate 4 is tightly attached to the inner wall of the battery jar, the threaded rods 7 can be used for abutting against the top plate 4 to the negative electrodes of the lithium batteries, the nickel sheets 3 are tightly attached to the negative electrodes of the lithium batteries in a pressing mode, the attaching firmness is increased, the nickel strap is prevented from falling off easily, the tightness is improved, the wiring is inserted into the wiring groove 8, the bolt 9 is rotated, the wiring is firmly pressed on the nickel strap 2, the other ends of the wiring protection board are connected to the circuit protection board, the stable wiring is facilitated, the overall structure is simple, the operation is easy, the heat dissipation of the battery and the heat dissipation of the circuit and the lithium batteries and the service life of the lithium batteries are facilitated, and the risk of explosion is reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a nickel strap for lithium ion battery cathode material, includes base plate (1), nickel strap (2), nickel piece (3), roof (4), screw thread section of thick bamboo (5), fixed section of thick bamboo (6) and threaded rod (7) of circular structure, its characterized in that: one side of base plate (1) is provided with nickel strap (2), the outside of nickel strap (2) evenly is fixed with a plurality of nickel pieces (3), the opposite side of base plate (1) is provided with roof (4), the below of base plate (1) avris all is fixed with screw cylinder (5), the below of roof (4) avris all is fixed with solid fixed cylinder (6), be fixed with threaded rod (7) on screw cylinder (5), just the other end of threaded rod (7) is fixed in on corresponding solid fixed cylinder (6).

2. The nickel strap for a negative electrode material of a lithium ion battery according to claim 1, characterized in that: the wire pressing groove (8) is formed in the bottom of the base plate (1), a bolt (9) is fixed on the wire pressing groove (8), and the inner end of the bolt (9) extends into the wire pressing groove (8).

3. The nickel strip for a negative electrode material of a lithium ion battery according to claim 1, wherein: fixed cylinder (6) internal fixation has first spacing dish (10) and second spacing dish (11), be provided with activity dish (12) between first spacing dish (10) and second spacing dish (11), just the terminal surface of threaded rod (7) is fixed in on the activity dish (12).

4. The nickel strip for a negative electrode material of a lithium ion battery according to claim 3, wherein: the center of the first limiting disc (10) is provided with a jack (13), and the threaded rod (7) penetrates through the jack (13).

5. The nickel strip for a negative electrode material of a lithium ion battery according to claim 1, wherein: an insulating pad (14) is arranged between the substrate (1) and the nickel strap (2).

6. The nickel strap for a negative electrode material of a lithium ion battery according to claim 5, wherein: the insulating pad (14) is adhered to the substrate (1), and the nickel strap (2) is adhered to the insulating pad (14).