CN210015922U

CN210015922U - Lithium ion battery cell

Info

Publication number: CN210015922U
Application number: CN201920281534.4U
Authority: CN
Inventors: 奉平
Original assignee: Hunan Max New Energy Co Ltd
Current assignee: Hunan Max New Energy Co Ltd
Priority date: 2019-03-05
Filing date: 2019-03-05
Publication date: 2020-02-04
Anticipated expiration: 2029-03-05

Abstract

The utility model discloses a lithium ion battery cell, including core and pole piece, core one end can be dismantled and be connected with the pole piece, core other end fixedly connected with base, the base both ends are all pegged graft and are had branch, branch one end can be dismantled and be connected with L type support, L type support below fixedly connected with fixing base, the core both sides spraying has heat conduction silicone grease, the adhesion of heat conduction silicone grease surface has the fin, the inboard adhesion of branch has the guard plate, the inside fixedly connected with ya keli board of guard plate, the equal adhesion in ya keli board both sides surface has the polypropylene film. The utility model discloses a branch and horizontal pole are stainless steel, can effectually improve the structural strength of core, prevent to cause the deformation of core because of external force, can absorb the impact force that produces when electric core explodes through the inferior gram force board to the piece that produces when can preventing the inferior gram force board breakage through polypropylene film causes secondary damage to the human body, improves the safety in utilization of core.

Description

Lithium ion battery cell

Technical Field

The utility model relates to an electric power storage device, in particular to lithium ion battery electricity core.

Background

A lithium ion battery is a type of secondary battery that mainly operates by movement of lithium ions between a positive electrode and a negative electrode. During charging and discharging, Li + is inserted and extracted back and forth between two electrodes: during charging, Li + is extracted from the positive electrode and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge.

Most of existing mobile phone batteries adopt lithium ion batteries, so that the mobile phone can keep longer cruising ability, but the electric cores of the existing lithium ion batteries are not provided with protective devices, so that the electric cores are easy to deform under pressure, explosion is easy to occur, and the use safety is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a lithium ion battery electricity core is stainless steel through branch and horizontal pole, can effectual improvement core structural strength, prevents to cause the deformation of core because of external force, can absorb the impact force that produces when electric core explodes through the inferior gram force board to can prevent through the polypropylene film that the piece that produces when the inferior gram force board is broken from causing secondary damage to the human body, improve the safety in utilization of core, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a lithium ion battery cell, includes core and pole piece, core one end can be dismantled and be connected with the pole piece, core other end fixedly connected with base, the base both ends are all pegged graft and are had branch, branch one end can be dismantled and be connected with L type support, L type support below fixedly connected with fixing base, the spraying of core both sides has heat conduction silicone grease, the adhesion of heat conduction silicone grease surface has the fin, the inboard adhesion of branch has the guard plate, the inside fixedly connected with ya keli board of guard plate, the equal adhesion in ya keli board both sides surface has the polypropylene film.

Furthermore, one end of the L-shaped support is rotatably connected with a screw, the screw penetrates through the L-shaped support, and the screw is connected with the fixing seat.

Further, branch one side welding has the horizontal pole, branch and horizontal pole are stainless steel and branch and horizontal pole all set up to a plurality of.

Furthermore, the clamping grooves are formed in two ends of the acrylic plate and are connected with the supporting rods.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. link to each other with L type support through the branch other end to there is the screw through L type support one end swivelling joint, and the screw runs through L type support and screw and links up with the fixed bolster mutually, is convenient for to the branch installation fixed, makes branch tiling on the surface of core, welds the horizontal pole simultaneously between branch, is stainless steel through branch and horizontal pole, can effectually improve the structural strength of core, prevents to cause the deformation of core because of external force.

2. Through the adhesion guard plate between branch and horizontal pole, and the guard plate comprises ya keli board and polypropylene film, pastes multilayer polypropylene film respectively through upper surface and the lower surface at ya keli board, can absorb the impact force that produces when electric core explodes through the ya keli board to piece that produces when the ya keli board can be prevented through polypropylene film from causing secondary damage to the human body, improves the safety in utilization of core.

3. Have heat conduction silicone grease through the spraying of core both sides, and heat conduction silicone grease surface adhesion has the fin, and the heat that the fin can effectual absorption core during operation produced links up mutually through the fin on fin and the shell body, can effectually go around air with heat transfer, prevents that the core is overheated.

Drawings

Fig. 1 is the utility model relates to an overall structure schematic diagram of lithium ion battery cell.

Fig. 2 is the utility model relates to a base section structure schematic diagram of lithium ion battery electricity core.

Fig. 3 is the utility model relates to a rifle section structure schematic diagram is glued to point of lithium ion battery electricity core.

In the figure: 1. a core body; 2. pole pieces; 3. a base; 4. a strut; 5. an L-shaped bracket; 6. a screw; 7. a fixed seat; 8. heat-conducting silicone grease; 9. a heat sink; 10. A cross bar; 11. a protection plate; 12. acrylic plates; 13. a polypropylene film; 14. A clamping groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a lithium ion battery electric core, includes core 1 and pole piece 2, 1 one end of core can be dismantled and be connected with pole piece 2, 1 other end fixedly connected with base 3 of core, 3 both ends of base have all been pegged graft and have branch 4, 4 one ends of branch can be dismantled and be connected with L type support 5, L type support 5 below fixedly connected with fixing base 7, 1 both sides spraying of core has heat conduction silicone grease 8, the adhesion of 8 surfaces of heat conduction silicone grease has fin 9, 4 inboard adhesion of branch has guard plate 11, the inside fixedly connected with inferior gram force board 12 of guard plate 11, the equal adhesion of 12 both sides surfaces of inferior gram force board has polypropylene film 13.

In this embodiment (as shown in fig. 1, 2 and 3), be stainless steel through branch and horizontal pole, can effectually improve the structural strength of core, prevent to cause the deformation of core because of external force, the impact force that produces when can absorbing the electric core explosion through the inferior gram force board to can prevent through the polypropylene film that the piece that produces when the inferior gram force board is broken from causing secondary damage to the human body, improve the safety in utilization of core.

Wherein, 5 one end swivelling joint of L type support has screw 6, screw 6 runs through L type support 5 and screw 6 links up with fixing base 7 mutually.

In this embodiment (as shown in fig. 1), the support rod is convenient to install and fix.

Wherein, 4 one side welding of branch has horizontal pole 10, branch 4 and horizontal pole 10 are stainless steel material and branch 4 and horizontal pole 10 all set up to a plurality of.

In this embodiment (as shown in fig. 1 and 2), the structural strength of the core is improved.

The two ends of the acrylic plate 12 are both provided with a clamping groove 14, and the clamping grooves 14 are connected with the supporting rods 4.

In this embodiment (as shown in fig. 3), it is convenient to fix and install the protection plate.

It should be noted that the utility model relates to a lithium ion battery cell, which comprises a core body 1, a pole piece 2, a base 3, a support rod 4, an L-shaped bracket 5, a screw 6, a fixing seat 7, heat-conducting silicone grease 8, a radiating fin 9, a cross bar 10, a protective plate 11, an acrylic plate 12, a polypropylene film 13 and a clamping groove 14, wherein the components are all universal standard components or components known by technicians in the field, the structure and the principle of the components can be known by technical manuals or conventional experimental methods, the base 3 is fixedly connected with the other end of the core body 1 during the work, the support rods 4 are inserted into the two ends of the base 3, the support rods 4 are provided with a plurality of support rods, the other end of each support rod 4 is connected with the L-shaped bracket 5, the screw 6 is rotatably connected with one end of the L-shaped bracket 5, the screw 6 penetrates through the L-shaped bracket 5 and the screw 6 is connected, the support rods 4 are flatly laid on the surface of the core body 1, the cross rods 10 are welded between the support rods 4, the support rods 4 and the cross rods 10 are made of stainless steel materials, the structural strength of the core body 1 can be effectively improved, deformation of the core body 1 caused by external force is prevented, the protection plate 11 is adhered between the support rods 4 and the cross rods 10 and consists of acrylic plates 12 and polypropylene films 13, the upper surface and the lower surface of each acrylic plate 12 are respectively adhered with the multi-layer polypropylene films 13, impact force generated when a battery cell explodes can be absorbed through the acrylic plates 12, secondary damage to a human body caused by scraps generated when the acrylic plates 12 are broken can be prevented through the polypropylene films 13, the use safety of the core body 1 is improved, the heat-conducting silicone grease 8 is sprayed on the two sides of the core body 1, the heat-conducting silicone grease 8 is adhered to the surface of the heat-radiating fins 9, and the heat-radiating fins 9 can effectively, through the fin 9 and the sheetmetal on the shell body link up mutually, can go in the effectual heat transfer to the ambient air, prevent that core 1 from overheated.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lithium ion battery electricity core, includes core (1) and pole piece (2), core (1) one end can be dismantled and be connected with pole piece (2), its characterized in that: core (1) other end fixedly connected with base (3), base (3) both ends are all pegged graft and are had branch (4), branch (4) one end can be dismantled and be connected with L type support (5), L type support (5) below fixedly connected with fixing base (7), core (1) both sides spraying has heat conduction silicone grease (8), heat conduction silicone grease (8) surface adhesion has fin (9), branch (4) inboard adhesion has guard plate (11), guard plate (11) inside fixedly connected with ya keli board (12), the equal adhesion in ya keli board (12) both sides surface has polypropylene film (13).

2. The lithium ion battery cell of claim 1, wherein: l type support (5) one end swivelling joint has screw (6), screw (6) run through L type support (5) and screw (6) link up with fixing base (7) mutually.

3. The lithium ion battery cell of claim 1, wherein: the welding of branch (4) one side has horizontal pole (10), branch (4) and horizontal pole (10) are stainless steel and branch (4) and horizontal pole (10) all set up to a plurality of.

4. The lithium ion battery cell of claim 1, wherein: clamping grooves (14) are formed in the two ends of the acrylic plate (12), and the clamping grooves (14) are connected with the supporting rods (4).