CN210723133U

CN210723133U - Lithium battery module plastic casing

Info

Publication number: CN210723133U
Application number: CN201921545836.4U
Authority: CN
Inventors: 向吉燕
Original assignee: Kunshan Jizhe'an Mould Technology Co Ltd
Current assignee: Kunshan Jizhe'an Mould Technology Co Ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-09
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses a lithium battery module plastic casing, including ageing-resistant layer, ageing-resistant layer includes polyvinyl fluoride, polyvinyl fluoride's inboard complex has nitrile silicon rubber, nitrile silicon rubber's inboard complex has aramid fiber, ageing-resistant layer's inboard complex has the waterproof layer, the inboard complex of waterproof layer has high temperature resistant layer, high temperature resistant layer is including thermal-insulated cotton, thermal-insulated cotton inboard complex has fluororubber, high temperature resistant layer's inboard complex has corrosion-resistant, it is corrosion-resistant including the carbon fiber, the inboard complex of carbon fiber has teflon. This lithium battery module plastic casing has improved the device's high temperature resistance performance through thermal-insulated cotton and fluororubber, has improved the device's corrosion resisting property through carbon fibre and teflon, avoids lithium cell lithium metal and acid-base reaction, leads to the shell to appear corroding, prolongs its life, more accords with actual user demand.

Description

Lithium battery module plastic casing

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium cell module plastic casing.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, the lithium metal battery is firstly proposed and researched by Gilbert N and Lewis in 1912, and the lithium battery is proposed and researched in the 20 th 70 th M.S. Whittingham, because the chemical properties of the lithium metal are very active, the lithium metal has very high requirements on the environment for processing, storage and use, and the lithium battery becomes a mainstream at present along with the development of scientific technology;

lithium battery case plays the key effect of protection lithium cell, the short circuit condition can appear in lithium cell contact water, long time will cause the lithium cell to damage, lithium battery case will play waterproof effect, the lithium cell can take place chemical reaction in during operation battery inside, produce a large amount of heat energy, lead to the battery temperature rise, the shell of lithium cell will bear certain temperature, because lithium battery lithium metal is amphoteric metal, it can react with acid-base, lead to the shell to appear corroding, lithium battery case need have corrosion resisting property, consequently, need improve current lithium battery case.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell module plastic casing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium battery module plastic casing, includes ageing-resistant layer, ageing-resistant layer includes polyvinyl fluoride, polyvinyl fluoride's inboard complex has nitrile silicon rubber, nitrile silicon rubber's inboard complex has aramid fiber, ageing-resistant layer's inboard complex has the waterproof layer, the inboard complex of waterproof layer has high temperature resistant layer, high temperature resistant layer is including thermal-insulated cotton, thermal-insulated cotton inboard complex has fluorine rubber, the inboard complex on high temperature resistant layer has corrosion-resistant, it is corrosion-resistant including the carbon fiber, the inboard complex of carbon fiber has teflon.

Preferably, an anti-aging oxidant is compounded between the polyvinyl fluoride and the nitrile silicone rubber.

Preferably, the waterproof layer is made of glass fiber mesh cloth.

Preferably, the thickness of the fluororubber is 4.0 to 8.0. mu.m.

Preferably, the teflon is a polytetrafluoroethylene material.

Compared with the prior art, the beneficial effects of the utility model are that: this lithium battery module plastic casing, through polyvinyl fluoride, nitrile silicone rubber and aramid fiber have improved the device's ageing resistance, prolong its life, have good alkali resistance through the waterproof layer, pliability and the high stretching resistance of longitude and latitude, can improve the device's waterproof performance, the high temperature resistance of the device has been improved through thermal-insulated cotton and fluororubber, the corrosion resisting property of the device has been improved through carbon fibre and teflon, avoid lithium battery lithium metal and acid-base reaction, lead to the shell to corrode, prolong its life, more accord with actual user demand.

Drawings

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

FIG. 2 is a schematic diagram of a waterproof layer structure of the present invention;

FIG. 3 is a schematic structural view of the aging-resistant layer of the present invention;

FIG. 4 is a schematic structural view of the refractory layer of the present invention;

FIG. 5 is a schematic view of the corrosion resistant structure of the present invention;

in the figure: 1. ageing-resistant layer, 101, polyvinyl fluoride, 102, nitrile silicon rubber, 103, aramid fiber, 2, waterproof layer, 3, high temperature resistant layer, 301, heat insulation cotton, 302, fluorine rubber, 4, corrosion resistance, 401, carbon fiber, 402 and teflon.

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. 1-5, the present invention provides a technical solution: a plastic shell of a lithium battery module comprises an aging-resistant layer 1, wherein the aging-resistant layer 1 comprises polyvinyl fluoride 101, the polyvinyl fluoride 101 has aging resistance, heat resistance and puncture resistance, the service life of the device is further prolonged, nitrile silicon rubber 102 is compounded on the inner side of the polyvinyl fluoride 101, the nitrile silicon rubber 102 has excellent thermal oxygen resistance and ozone aging resistance, an anti-aging agent is compounded between the polyvinyl fluoride 101 and the nitrile silicon rubber 102, the anti-aging agent has good weather resistance, aging resistance and corrosion resistance, aramid fibers 103 are compounded on the inner side of the nitrile silicon rubber 102, the aramid fibers 103 are compounded on the inner side of the nitrile silicon rubber 102, and due to the advantages of low density, high strength, good toughness, high temperature resistance, easy processing and forming of the novel material, a waterproof layer 2 is compounded on the inner side of the aging-resistant layer 1, the waterproof layer 2 is made of a glass fiber mesh fabric material, and the waterproof layer 2 has good alkali resistance, Flexibility and warp-weft high tensile resistance, the waterproof performance of the device can be improved, a high-temperature resistant layer 3 is compounded on the inner side of a waterproof layer 2, the high-temperature resistant layer 3 comprises heat insulation cotton 301, the heat insulation cotton 301 has the advantages of environmental protection, no toxicity, low specific heat, heat insulation, prominent light weight, good elasticity and thermal shock resistance, fluororubber 302 is compounded on the inner side of the heat insulation cotton 301, the thickness of the fluororubber 302 is 4.0-8.0 mu m, the fluororubber 302 has the performances of drug resistance, high-temperature resistance, strong corrosion resistance, ozone resistance, light resistance, weather resistance, radiation resistance, oil resistance and the like, corrosion resistance 4 is compounded on the inner side of the high-temperature resistant layer 3, the corrosion resistance 4 comprises carbon fibers 401, the carbon fibers 401 have the advantages of high axial strength and modulus, low density, high specific performance, no creep, ultra-temperature resistance under non-oxidation environment, good fatigue resistance and the like, the teflon 402 is compounded on the, the teflon 402 is a polytetrafluoroethylene material, and the teflon 402 has excellent chemical stability, corrosion resistance and sealing performance.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "disposed," "coupled," "plugged," "welded," "clamped," and the like are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 lithium cell module plastic casing, includes ageing resistant layer (1), its characterized in that: ageing-resistant layer (1) is including polyfluoroethylene (101), the inboard complex of polyfluoroethylene (101) has nitrile silicon rubber (102), the inboard complex of nitrile silicon rubber (102) has aramid fiber (103), the inboard complex of ageing-resistant layer (1) has waterproof layer (2), the inboard complex of waterproof layer (2) has high temperature resistant layer (3), high temperature resistant layer (3) are including thermal-insulated cotton (301), the inboard complex of thermal-insulated cotton (301) has fluororubber (302), the inboard complex of high temperature resistant layer (3) has corrosion-resistant (4), corrosion-resistant (4) are including carbon fiber (401), the inboard complex of carbon fiber (401) has teflon (402).

2. The plastic shell for the lithium battery module as claimed in claim 1, wherein: and an anti-aging oxidant is compounded between the polyvinyl fluoride (101) and the nitrile silicone rubber (102).

3. The plastic shell for the lithium battery module as claimed in claim 1, wherein: the waterproof layer (2) is made of glass fiber mesh cloth.

4. The plastic shell for the lithium battery module as claimed in claim 1, wherein: the thickness of the fluororubber (302) is 4.0-8.0 μm.

5. The plastic shell for the lithium battery module as claimed in claim 1, wherein: the Teflon (402) is a polytetrafluoroethylene material.