CN209472029U

CN209472029U - A kind of new type lithium ion battery

Info

Publication number: CN209472029U
Application number: CN201920536018.1U
Authority: CN
Inventors: 蔡大为; 何虹; 范东平
Original assignee: DONGGUAN TAIYOUYUAN BATTERY SCIENCE & TECHNOLOGY Co Ltd
Current assignee: DONGGUAN TAIYOUYUAN BATTERY SCIENCE & TECHNOLOGY Co Ltd
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2019-10-08
Anticipated expiration: 2029-04-19

Abstract

The utility model relates to a kind of new type lithium ion batteries, including first shell and lithium ion battery, second shell in the first shell equipped with top opening and for storing lithium ion battery, the bottom end of second shell is connected by support column with first shell, the two sides of the second shell, which are symmetrically arranged with, tightens bolt, the end for tightening bolt is connected with heat sink for the lithium ion battery that is fixedly clamped, the lithium ion battery includes battery cover, Upper gasket and battery body, the battery cover is distributed in battery body with Upper gasket and is connected, the battery cover includes the sealing ring of circular ring shape, the inside of the sealing ring has the top cover embedded groove of indent and annular spread, the top cover embedded groove has been embedded in a top cover, the left side of the top cover is provided with an exhaust outlet, different in width is suitable for by adjusting symmetrically arranged bolt of tightening Lithium ion battery, the lithium ion battery suitable for plurality of specifications.

Description

A kind of new type lithium ion battery

Technical field

The utility model relates to battery technology fields, more particularly to a kind of new type lithium ion battery.

Background technique

Lithium ion battery is a kind of secondary cell (rechargeable battery), it relies primarily on lithium ion and moves between a positive electrode and a negative electrode It moves and carrys out work.In charge and discharge process, Li⁺Insertion and deintercalation back and forth between two electrodes: when charging, Li⁺From positive deintercalation, It is embedded in cathode by electrolyte, cathode is in lithium-rich state；It is then opposite when electric discharge.

Existing casing of lithium ion battery and lithium ion battery are all mating settings, can not make the same shell and different size Lithium ion battery be used together, to will cause the waste of resource, lithium ion battery is sealed during the preparation process Formation process, in sealing formation process, since inside battery can chemically react, inside battery has titanium dioxide The multiple gases such as carbon, oxygen generate, so that air pressure from inside to outside is formed, if the air pressure of inside battery is excessive, so that battery Expand problem, seriously affect the working performance of battery, in addition, with the presence of some gaskets burn and fusing deformation wind Danger, the serious general safety service performance for reducing battery, in addition, the outer surface of lithium ion battery is due to too soft, fragile, it is easy to It is influenced in by the external world, the utility model proposes a kind of new solution in view of the above problems.

Utility model content

Technical problem to be solved by the utility model is: for overcome the deficiencies in the prior art, provide a kind of novel lithium from Sub- battery.

The technical solution adopted by the utility model to solve its technical problems is that: a kind of new type lithium ion battery, including the One shell and lithium ion battery, the interior second shell equipped with top opening and for storing lithium ion battery of the first shell, The bottom end of second shell is connected by support column with first shell, and the two sides of the second shell, which are symmetrically arranged with, tightens bolt, is twisted The end of tight bolt is connected with the heat sink for the lithium ion battery that is fixedly clamped, the lithium ion battery include battery cover, on Gasket and battery body, the battery cover are distributed in battery body with Upper gasket and are connected, and the battery cover includes the close of circular ring shape Seal, the inside of the sealing ring have the top cover embedded groove of indent and annular spread, and the top cover embedded groove has been embedded in One top cover, the left side of the top cover are provided with an exhaust outlet, and the Upper gasket includes shim body, the shim body appearance Face is coated with coating made of the material of default flame resistant material grade, and the battery body includes shell, is provided with electricity in shell Core, the shell include insulating layer, buffer layer and metal layer, the insulating layer, buffer layer and metal layer successively cover be overlying on it is described Battery core, insulating layer ambroin preparation again.

Preferably, the heat sink is uniformly connected with radiating fin close to the side of second shell, set in second shell There is the through-hole with radiating fin cooperation.

Preferably, the utility model improvement has, the radiating fin is provided with multiple and cooperates company with heat sink respectively It connects.

Preferably, the utility model improvement has, the buffer layer is layer of silica gel.

Preferably, the utility model improvement has, the material of the default flame resistant material grade is that flame resistant material grade is FR4 grades of material.

Preferably, the utility model improvement have, the insulating layer with a thickness of 0.005mm-2mm.

Preferably, the utility model improvement have, the buffer layer with a thickness of 0.01mm-2mm.

Preferably, the utility model improvement have, the metal layer with a thickness of 0.005mm-0.1mm.

Based on the above-mentioned technical proposal, the utility model is suitable for different in width by adjusting symmetrically arranged bolt of tightening Lithium ion battery, applied widely so as to be suitable for the lithium ion battery of plurality of specifications, recovery utilization rate is high, can be significant Production cost is reduced, the design of battery cover and exhaust outlet is effectively discharged out the gas that lithium ion battery generates after sealing chemical conversion Body avoids the air pressure of inside battery excessive, guarantees the security performance of lithium ion battery, and Upper gasket outer surface is coated with and presets resistance to combustion Coating made of the material of material rate, thus make Upper gasket have characteristic resistant to high temperature, can effectively solve the problem that Upper gasket by Generated safety problem is influenced to high temperature, promotes the general safety performance of lithium ion battery, is conducive to improve battery production factory The market application prospect of family's product, shell include insulating layer, buffer layer and metal layer, are capable of providing certain resist by metal layer Compressive Strength makes battery core from extraneous injury, also reaches certain buffering effect using buffer layer, reduces external force to the damage of battery core Evil.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, is also possible to obtain other drawings based on these drawings.

Fig. 1 is one preferred overall structure diagram of the utility model；

Fig. 2 is the structural schematic diagram of the utility model battery body.

It is attached marked in the figure: 1, first shell；2, second shell；3, bolt is tightened；4, heat sink；5, battery cover；6, upper pad Piece；7, battery body；8, sealing ring；9, top cover；10, exhaust outlet；11, shell；12, battery core；13, insulating layer；14, buffer layer； 15, metal layer；16, radiating fin；17, support column.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment does not limit the scope of the utility model for illustrating the utility model.

It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more The presence or addition of a other elements or combinations thereof.

As shown in Figure 1 to Figure 2, a kind of new type lithium ion battery of the utility model, including first shell 1 and lithium-ion electric Pond, the interior second shell 2 equipped with top opening and for storing lithium ion battery of the first shell 1, the bottom end of second shell 2 It is connected by support column 17 with first shell 1, the two sides of the second shell 2, which are symmetrically arranged with, tightens bolt 3, tightens bolt 3 End is connected with the heat sink 4 for the lithium ion battery that is fixedly clamped, and the lithium ion battery includes battery cover 5,6 and of Upper gasket Battery body 7, the battery cover 5 are distributed in battery body 7 with Upper gasket 6 and are connected, and the battery cover 5 includes the sealing of circular ring shape Circle 8, the inside of the sealing ring 8 have the top cover embedded groove of indent and annular spread, and the top cover embedded groove has been embedded in One top cover 9, the left side of the top cover 9 are provided with an exhaust outlet 10, and the Upper gasket 6 includes shim body, the gasket sheet External surface is coated with coating made of the material of default flame resistant material grade, and the battery body includes shell 11, shell 11 It is inside provided with battery core 12, the shell 11 includes insulating layer 13, buffer layer 14 and metal layer 15, the insulating layer 13, buffer layer 14 and metal layer 15 successively cover and be overlying on the battery core 12, insulating layer 13 again ambroin preparation.

In the present embodiment, in order to preferably use first shell, 1 upper end of first shell is equipped with and lithium ion battery The corresponding aperture of pole.

In the present embodiment, in order to preferably radiate to battery, the heat sink 4 is close to the side of second shell 2 It is uniformly connected with radiating fin 16, second shell 2 is equipped with the through-hole cooperated with radiating fin 16.

In the present embodiment, in order to further increase heat dissipation effect, the radiating fin 16 be provided with it is multiple and respectively with Heat sink 4 is cooperatively connected.

In the present embodiment, in order to preferably use buffer layer, the buffer layer 14 is layer of silica gel.

In the present embodiment, the material of the default flame resistant material grade is the material that flame resistant material grade is FR4 grades, institute Stating the material that flame resistant material grade is FR4 grades is epoxide resin material.

In the present embodiment, in order to preferably use insulating layer, the insulating layer 13 with a thickness of 0.005mm-2mm.

In the present embodiment, in order to preferably use buffer layer, the buffer layer 14 with a thickness of 0.01mm-2mm.

In the present embodiment, in order to preferably use metal layer, the metal layer 15 with a thickness of 0.005mm-0.1mm.

In the present embodiment, in order to preferably use battery core, the upper end of the battery core 12 is provided with anode ear and negative electrode lug, The battery cover 5 is provided with positive terminal and negative terminal, the positive terminal and negative terminal be connected respectively it is described just Tab and negative electrode lug.

After the chemical conversion operation of complete battery pair, a sealing bolt is also sealedly connected in the exhaust outlet 10.Wherein, institute Exhaust outlet 10 is stated to be laser welded with the sealing bolt.

Working principle: first shell 1 and second shell 2 described in the utility model can hold the lithium ion of different size Lithium ion battery is placed in second shell 2 by battery, and then bolt 3 is tightened in rotation, until two heat sinks 4 are to lithium ion Battery clamps, in addition, lithium ion battery pass through heat sink 4 in use and radiating fin 16 can be very good to carry out it is scattered Heat, improves its service life, and lithium ion battery realizes open formation, the gas generated in formation process is discharged in time, and doing After complete chemical conversion exhaust, then bolt will be sealed together with 10 sealing welding of exhaust outlet, and realize lithium ion battery sealing operation.

In addition, term " installation ", " being provided with ", " connection ", " connection ", " suit " shall be understood in a broad sense, for example, it may be It is fixedly connected, is detachably connected or monolithic construction；It can be mechanical connection, or electrical connection；It can be directly connected, or Being or is two connections internal between device, element or component indirectly connected through an intermediary, for ability For the those of ordinary skill of domain, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change It also should be regarded as the protection scope of the utility model into modification.

Claims

1. a kind of new type lithium ion battery, including first shell (1) and lithium ion battery, which is characterized in that the first shell (1) second shell (2) in equipped with top opening and for storing lithium ion battery, the bottom end of second shell (2) passes through support Column (17) is connected with first shell (1), and the two sides of the second shell (2), which are symmetrically arranged with, tightens bolt (3), tightens bolt (3) End be connected with the heat sink (4) for the lithium ion battery that is fixedly clamped, the lithium ion battery include battery cover (5), on Gasket (6) and battery body (7), the battery cover (5) are distributed in battery body (7) with Upper gasket (6) and are connected, the battery cover (5) include circular ring shape sealing ring (8), the inside of the sealing ring (8) has the top cover embedded groove of indent and annular spread, The top cover embedded groove has been embedded in a top cover (9), and the left side of the top cover (9) is provided with an exhaust outlet (10), it is described on Gasket (6) includes shim body, and the shim body outer surface is coated with coating made of the material of default flame resistant material grade, The battery body includes shell (11), is provided with battery core (12) in shell (11), the shell (11) include insulating layer (13), Buffer layer (14) and metal layer (15), the insulating layer (13), buffer layer (14) and metal layer (15), which successively cover, is overlying on the electricity Core (12).

2. a kind of new type lithium ion battery as described in claim 1, which is characterized in that first shell (1) upper end is equipped with Aperture corresponding with lithium ion battery pole.

3. a kind of new type lithium ion battery as described in claim 1, which is characterized in that the heat sink (4) is close to second shell The side of body (2) is uniformly connected with radiating fin (16), and second shell (2) is equipped with the through-hole cooperated with radiating fin (16).

4. a kind of new type lithium ion battery as claimed in claim 3, which is characterized in that the radiating fin (16) is provided with more It is a and respectively with heat sink (4) be cooperatively connected.

5. a kind of new type lithium ion battery as described in claim 1, which is characterized in that the buffer layer (14) is layer of silica gel.

6. a kind of new type lithium ion battery as described in claim 1, which is characterized in that the insulating layer (13) with a thickness of 0.005mm-2mm。

7. a kind of new type lithium ion battery as described in claim 1, which is characterized in that the buffer layer (14) with a thickness of 0.01mm-2mm。

8. such as a kind of new type lithium ion battery of any of claims 1-7, which is characterized in that the metal layer (15) With a thickness of 0.005mm-0.1mm.