CN207432905U - A kind of lithium battery multilayer metal compound band aluminum plastic film - Google Patents
A kind of lithium battery multilayer metal compound band aluminum plastic film Download PDFInfo
- Publication number
- CN207432905U CN207432905U CN201721114263.0U CN201721114263U CN207432905U CN 207432905 U CN207432905 U CN 207432905U CN 201721114263 U CN201721114263 U CN 201721114263U CN 207432905 U CN207432905 U CN 207432905U
- Authority
- CN
- China
- Prior art keywords
- plastic film
- metal
- aluminum plastic
- layer
- lithium battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model provides a kind of lithium battery multilayer metal compound band aluminum plastic film, and the aluminum plastic film includes：Metal outer and internal layer, the metal outer are connected with internal layer by adhesive phase, wherein, the metal outer is combined for double layer of metal.Aluminum plastic film provided by the utility model using composition metal outer layer, improves the heat dissipation effect of aluminum plastic film, meanwhile, aluminum plastic film also maintains preferable scouring depth.
Description
Technical field
The utility model is related to field of packaging material, are a kind of lithium battery multilayer metal compound bands specifically
Aluminum plastic film.
Background technology
Gas is easily discharged in use for rigid pack lithium battery, and pressure increase causes explosion issues, on the market
Start novel flexible packing material-aluminum plastic film occur, in structure, using laminated aluminum film, security risk is occurring for soft package lithium battery
In the case of soft package lithium battery at most only understand air-blowing and split, can explode like that rather than box hat aluminum hull battery core.
Used aluminum plastic film is divided into three layers extensively at present：Internal layer is adhesive layer, mostly using polyethylene or polypropylene material,
Play sealing cementation；Interlayer is aluminium foil, can prevent the infiltration of outside batteries steam, while prevents oozing for electrolyte inside
Go out；Outer layer is protective layer, mostly using dystectic polyester or nylon material, there is very strong mechanical performance, prevents external force to battery
Damage, play a part of protect battery.
Since outer layer thermal conductivity factor is low, so the heat dissipation performance of aluminum plastic film is poor.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of lithium battery multilayer metal compound band aluminum plastic films, improve
Its heat-sinking capability.
In order to solve the above technical problems, the utility model provides a kind of lithium battery multilayer metal compound band aluminum plastic film,
Including：Metal outer and internal layer, the metal outer are connected with internal layer by adhesive phase, wherein, the metal outer is two
Layer metal composite forms.
Further, ratio of any layer metal in the metal outer overall thickness is more than or waits in the double layer of metal
In 10%.
Further, ratio of any layer metal in the metal outer overall thickness is more than or waits in the double layer of metal
In 20%.
Further, ratio of any layer metal in the metal outer overall thickness is 50% in the double layer of metal.
Further, the thickness of the internal layer is 20 ~ 100 μm.
Further, the thickness of the internal layer is 40 μm.
Further, the thickness of the metal outer is 45 ~ 300 μm.
Further, the thickness of the metal outer is 50 ~ 200 μm.
Further, the thickness of the metal outer is 70 μm.
Lithium battery provided by the utility model multilayer metal compound band aluminum plastic film, using composition metal outer layer, improves
The heat dissipation effect of aluminum plastic film, meanwhile, aluminum plastic film also maintains preferable scouring depth.
Description of the drawings
Fig. 1 is structure diagram of the utility model lithium battery multilayer metal compound with aluminum plastic film embodiment one；
Fig. 2 is structure diagram of the utility model lithium battery multilayer metal compound with aluminum plastic film embodiment two.
In figure, 1. metal outers, 11. nickel layers, 12. aluminium layers, 2. adhesive phases, 3. internal layers.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
The purpose of this utility model is to provide the aluminum plastic film of good heat dissipation effect, by background technology, removes heat resistance
Resin outer layer, it will greatly improve the heat dissipation effect of aluminum plastic film.But after removal heat-resistant resin outer layer, aluminum plastic film rushes
Depth can be impacted.For example, successively attempted the composite membrane of stainless steel and thermoplastic resin layer and monometallic aluminium layer and thermoplastic
The composite membrane of property resin bed, since the ductility of stainless steel is poor, aluminium layer tensile strength is low, there is the problem of scouring depth poor performance.
Metallic composite refers to be combined into for physically with reference to two or more out of phase substance, pick
The advantages of taking each constituent, to form the structural wood of needs.Using complex technique by it is a variety of, chemical, mechanical property is different
The composite material that metal is realized on interface metallurgical binding and formed significantly improves the thermal expansivity, strong of single metal material
Many performances such as degree, fracture toughness, impact flexibility, wear resistance, electrical property, magnetic property.
The utility model replaces with metallic composite by removing the outer layer of aluminum plastic film and interlayer in the prior art, leads to
Specific technique is crossed, realization meets scouring depth performance and improves the heat dissipation performance of aluminum plastic film.
The utility model uses adhesive as commercial product, such as the YH3640A/ of Beijing Gaomeng Chemical Industry Co., Ltd
YH3640B；
The utility model uses internal layer as commercial product, such as the cast polypropylene film of Jiangyin tonneau.
Embodiment one：
A kind of aluminum plastic film, as shown in Figure 1, the aluminum plastic film is layer structure, including：Metal outer 1, internal layer 3, are located in
Adhesive phase 2 among the two.The thickness of metal outer 1 is 45 ~ 300 μm, it is preferable that the thickness of metal outer 1 is 70 μm.It is interior
It is 40 μm that layer 3, which selects thickness, and the proportioning of adhesive phase 2 is 10:1.5, working concentration 25%.
Wherein, metal outer 1 is that at least double layer of metal is combined.The metal of each layer composition include but not limited to magnesium, aluminium,
Titanium, iron, copper, zinc and nickel and their alloy.The complex method of the metal of each layer composition include but not limited to admittedly solid phase composite algorithm,
Liquid and solid bonding method and liquid liquid phase composite algorithm.
In the present embodiment, as shown in Figure 1, metal outer 1 is made of aluminium layer 12 and nickel layer 11.Wherein, aluminium layer 12 and nickel layer
11 thickness proportion is 1:9~9:1, it is preferable that the thickness proportion of aluminium layer 12 and nickel layer 11 is 1:1.
Production method includes the following steps：
A：On combination machine based on dry operation, using aluminium layer 12 surface of the plate gravure coating method in metal outer 1,5 grams are coated with often
Square metre adhesive phase 3；
B：The metal outer 1 of coating adhesive layer 3 is put into dry in baking oven of the temperature less than 100 DEG C；
C：After the completion of drying, temperature in use is that metal outer 1 and internal layer 3 are combined with each other by 80 ~ 95 DEG C of composite roll,
It and winds as finished product, it is preferable that use 90 DEG C of composite roll；
D：The finished product is cured into 60 ~ 80 h under 50 ~ 70 DEG C of environment, it is preferable that by the finished product in 60 DEG C of rings
Cure 72 h under border.
Wherein, in step A, the preparation method of metal outer 1 is as follows：
(1), nickel plate and aluminium sheet are annealed under 300~500 DEG C of temperature conditionss 0.75~1.25 it is small when；It (2), will annealing
Aluminium sheet afterwards is mutually stacked with the nickel plate after annealing；(3), the aluminium sheet to stacking, nickel plate carry out aximal deformation value composite rolling, obtain
Aluminium nickel double metal compounded with strip material, the hardness number of material is HV200 ~ HV240 at this time, is hard state aluminium nickel double metal composite band
Material；(4), by hard state aluminium nickel double metal composite strip obtained by step (3) continue under 420~580 DEG C of temperature conditionss annealing 25~
45 minutes, hardness reached HV100 ~ HV150, was half-hard state aluminium nickel double metal composite strip；(5), by semihard obtained by step (4)
State aluminium nickel double metal composite strip continuation anneal 25~45 minutes under 420~580 DEG C of temperature conditionss, hardness reach HV60 ~
HV90 is soft state aluminium nickel double metal composite strip, obtains metal outer 1.
Compliance test result：
By the aluminum plastic film and the aluminum plastic film of the prior art in the present embodiment, scouring depth comparison, the two are carried out on scouring depth mold
Scouring depth is 6mm.
Aluminum plastic film in the present embodiment and the aluminum plastic film of the prior art are respectively produced lithium battery, in similarly electric discharge item
Under part, lithium battery that the aluminum plastic film in the present embodiment is produced is than lithium battery surface temperature that the aluminum plastic film of the prior art is produced
Low 16 degrees Celsius.
Embodiment two：
Embodiment two and embodiment one the difference is that, metal outer 1 is combined by three-layer metal.As shown in Fig. 2,
Metal outer 1 includes aluminium layer 12 and its nickel layer 11 of both sides and nickel layer 13.
In the present embodiment, nickel layer 11, thickness is 15 μm；Aluminium layer 12, thickness are 30 μm；Nickel layer 13, thickness are 15 μm.This reality
It is citing to apply thickness and material in example.Material includes but not limited to magnesium, aluminium, titanium, iron, copper, zinc and nickel and their alloy.Respectively
The complex method of the metal of layer composition includes but not limited to solid phase composite algorithm, liquid and solid bonding method and liquid liquid phase composite algorithm admittedly.It is thick
Degree can also need corresponding selection according to actual production.
The protection scope of the utility model is not limited thereto.Those skilled in the art institute on the basis of the utility model
The equivalent substitute of work or conversion, within the scope of protection of the utility model.The scope of protection of the utility model will with right
It asks subject to book.
Claims (9)
1. a kind of lithium battery multilayer metal compound band aluminum plastic film, which is characterized in that including：Metal outer and internal layer, it is described outer
Layer is connected with internal layer by adhesive phase, wherein, the metal outer is combined for double layer of metal.
2. lithium battery as described in claim 1 multilayer metal compound band aluminum plastic film, which is characterized in that in the double layer of metal
Ratio of any layer metal in the metal outer overall thickness is greater than or equal to 10%.
3. lithium battery as claimed in claim 2 multilayer metal compound band aluminum plastic film, which is characterized in that in the double layer of metal
Ratio of any layer metal in the metal outer overall thickness is greater than or equal to 20%.
4. aluminum plastic film as claimed in claim 3, which is characterized in that any layer metal is outside the metal in the double layer of metal
Ratio in layer overall thickness is 50%.
5. lithium battery as described in claim 1 multilayer metal compound band aluminum plastic film, which is characterized in that the thickness of the internal layer
For 20~100 μm.
6. lithium battery as claimed in claim 5 multilayer metal compound band aluminum plastic film, which is characterized in that the thickness of the internal layer
For 40 μm.
7. the aluminum plastic film as described in claim 1~6 is any, which is characterized in that the thickness of the metal outer is 45~300 μ
m。
8. aluminum plastic film as claimed in claim 7, which is characterized in that the thickness of the metal outer is 50~200 μm.
9. aluminum plastic film as claimed in claim 8, which is characterized in that the thickness of the metal outer is 70 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721114263.0U CN207432905U (en) | 2017-08-31 | 2017-08-31 | A kind of lithium battery multilayer metal compound band aluminum plastic film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721114263.0U CN207432905U (en) | 2017-08-31 | 2017-08-31 | A kind of lithium battery multilayer metal compound band aluminum plastic film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207432905U true CN207432905U (en) | 2018-06-01 |
Family
ID=62301231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721114263.0U Active CN207432905U (en) | 2017-08-31 | 2017-08-31 | A kind of lithium battery multilayer metal compound band aluminum plastic film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207432905U (en) |
-
2017
- 2017-08-31 CN CN201721114263.0U patent/CN207432905U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103518272B (en) | Cladding for lithium ion cell, lithium ion cell, and method for producing lithium ion cell | |
| CN104051678B (en) | Battery outer package duplexer | |
| JP5719838B2 (en) | Battery or capacitor outer packaging material and method for manufacturing the same | |
| CN207190422U (en) | It is folded with the aluminum plastic film of wire | |
| CN107425147A (en) | Packaging material for aluminum plastic film of lithium battery | |
| CN101159320B (en) | Material for packaging cell | |
| CN103647029B (en) | A kind of lithium battery aluminum-plastic film and preparation method | |
| TWI671186B (en) | External materials for power storage devices, and power storage devices using the same | |
| JP2016522968A (en) | Aluminum pouch film for secondary battery, packaging material including the same, secondary battery including the same, and manufacturing method thereof | |
| JP6276047B2 (en) | Packaging material, packaging material manufacturing method and molded case | |
| CN102804446A (en) | Packing material for electrochemical device, and electrochemical device | |
| JP5316552B2 (en) | Battery laminated film and battery container using the same | |
| JP6622276B2 (en) | Aluminum plastic film wrapping material for lithium batteries to extend the service life | |
| CN106233490A (en) | Battery use packing material | |
| JP6366964B2 (en) | Exterior material for electrochemical device and electrochemical device | |
| CN103587165A (en) | High sealing flexible composite film material for cold punching molding and its manufacturing method | |
| JP4366537B2 (en) | Manufacturing method of packaging material for molding | |
| JP2016081856A (en) | Exterior material for power storage device and power storage device | |
| JP6595634B2 (en) | Packaging materials and molded cases | |
| CN207432905U (en) | A kind of lithium battery multilayer metal compound band aluminum plastic film | |
| JP5254663B2 (en) | Manufacturing method of packaging material for battery case | |
| CN108963117A (en) | A kind of lithium battery multilayer metal compound band aluminum plastic film and its production method | |
| CN203733851U (en) | Lithium battery aluminum-plastic film | |
| CN107799674A (en) | A kind of manufacture method of lithium ion battery plastic-aluminum packaging film | |
| CN215321182U (en) | Lithium battery packaging film with composite core layer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214411 No. 26 Tonggang Road, Changjing Town, Jiangyin City, Wuxi City, Jiangsu Province Patentee after: JIANGYI SUDA HUICHENG COMPOSITE MATERIAL CO.,LTD. Address before: 214411 No. 26 Tonggang Road, Changjing Town, Jiangyin City, Wuxi City, Jiangsu Province Patentee before: JIANGYIN SUDA HUICHENG COMPOSITE MATERIAL CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 214400 No. 68-1, Tong'an Road, Qingyang Town, Jiangyin City, Wuxi City, Jiangsu Province Patentee after: JIANGYI SUDA HUICHENG COMPOSITE MATERIAL CO.,LTD. Address before: 214411 No. 26 Tonggang Road, Changjing Town, Jiangyin City, Wuxi City, Jiangsu Province Patentee before: JIANGYI SUDA HUICHENG COMPOSITE MATERIAL CO.,LTD. |
|
| CP02 | Change in the address of a patent holder |