CN205542917U - Polymer lithium ion battery uses two aluminium lamination type plastic -aluminum membranes - Google Patents
Polymer lithium ion battery uses two aluminium lamination type plastic -aluminum membranes Download PDFInfo
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- CN205542917U CN205542917U CN201620131259.4U CN201620131259U CN205542917U CN 205542917 U CN205542917 U CN 205542917U CN 201620131259 U CN201620131259 U CN 201620131259U CN 205542917 U CN205542917 U CN 205542917U
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- layer
- tack coat
- aluminium foil
- ion battery
- tie coat
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- 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
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Abstract
The utility model relates to a polymer lithium ion battery uses two aluminium lamination type plastic -aluminum membranes. This plastic -aluminum membrane includes polypropylene layer, first tie coat, aluminium foil layer, second tie coat, resin rete, third tie coat, aluminium foil layer, fourth tie coat, resin rete, and it is by interior polypropylene layer, first tie coat, aluminium foil layer, second tie coat, resin rete, third tie coat, aluminium foil layer, fourth tie coat, the resin rete of being in proper order outside to. The utility model discloses a composite membrane layer who increases aluminium foil and resin at inlayer aluminium foil layer outer can effectively improve the separation and the wear resistance of inlayer aluminium foil, is that a high resistant separates type plastic -aluminum membrane, can be applied to polymer lithium ion battery.
Description
Technical field
This utility model relates to battery packaging material field, particularly to a kind of double aluminium lamination of polymer Li-ion battery application
Type aluminum plastic film.
Background technology
Lithium ion battery owing to it is lightweight, capacity is big, have extended cycle life (more than 1000 times) and memory-less effect
Advantage is quickly at the battery applications such as mobile phone, notebook computer field Quick Extended, simultaneously because the unique advantage of lithium ion battery,
Apply at electrokinetic cell and energy-storage battery field.
Polymer battery have than liquid lithium ionic cell more weight amount, voltage is high, capacity is big, the life-span is long, self discharge is low,
More advantage such as memory-less effect and safety, in recent years along with its wide at 3C Products such as iPhone, iPad, Ultrabook
General application, the in addition exploitation of lithium ion battery electric automobile, the application of polymer Li-ion battery the most quickly increases, due to plastic-aluminum
Film is the housing material that lithium ion battery flexible package is important, has the most also driven the quick growth of aluminum plastic film demand.
Have the fluorinated materials such as hexafluorophosphoric acid aluminum due to the electrolyte in lithium ion battery, water is had by these fluorochemicals
Having the strongest sensitivity, electrolyte is met water and is readily generated severe corrosive Fluohydric acid. and other gases, and it will be to aluminum plastic film
Heat-sealing and material cause corrosion, have a strong impact on cycle-index and the service life of battery, cause battery rapid failure, therefore aluminum
Plastic film need to have the barrier property of excellence, intercepts the factor destructions to electrolyte such as the steam of external environment, oxygen.Meanwhile, battery
Aluminum plastic film outer layer need to resist in cell processing course and fall the destruction caused, need aluminum plastic film outer layer to have the wearability of excellence
Energy.How to improve the anti-wear performance of aluminum plastic film, barrier property and other correlated performances to promoting polymer Li-ion battery quality
It it is the most crucial matter of science and technology.
Utility model content
For solving above-mentioned technical problem, this utility model provides a kind of double aluminium lamination type plastic-aluminum of polymer Li-ion battery application
Film, this aluminum plastic film has barrier property and the anti-wear performance of excellence, can improve the service life of battery.
The technical solution of the utility model is: a kind of double aluminium lamination type aluminum plastic film of polymer Li-ion battery application.This plastic-aluminum
Film include polypropylene layer, the first tack coat, aluminium foil layer, the second tack coat, resin film layer, the 3rd tack coat, aluminium foil layer, the 4th glue
Knot layer, resin film layer, its be followed successively by from inside to outside polypropylene layer, the first tack coat, aluminium foil layer, the second tack coat, resin film layer,
3rd tack coat, aluminium foil layer, the 4th tack coat, resin film layer.
As a kind of preferred version of the present utility model, described polypropylene layer material is polypropylene, polypropylene and polyethylene
Co-extrusion thing, polypropylene and the one in cyclenes hydro carbons co-extrusion thing, described polypropylene layer thickness is 10～80 μm.
As a kind of preferred version of the present utility model, described first tack coat, the second tack coat, the 3rd tack coat, the
The material of four tack coats is one or more in hot melt adhesive film, adhesive, the hydrosol, described first tack coat, the second bonding
Layer, the 3rd tack coat, the thickness of the 4th tack coat are respectively 0.01～30 μm.
As a kind of preferred version of the present utility model, the curing mode of described tack coat be heat cure, ultra-violet curing and
One or more combination in electronic beam curing.
As a kind of preferred version of the present utility model, described resin film layer material is polyethylene, polypropylene, polyamide fibre
In dimension film, polyethylene terephthalate, polybutylene terephthalate, cycloolefin analog copolymer, fluoro-containing copolymer film
One or more combination, described resin film layer thickness is 3～30 μm.
As a kind of preferred version of the present utility model, the thickness of described aluminium foil layer is 10～60 μm, aluminum foil material surface
One or more in available chemical treatment, Cement Composite Treated by Plasma, physical treatment.
After using technique scheme, the beneficial effects of the utility model: first, this aluminum plastic film uses the structure of Double-layer aluminum
Design can be effectively improved the barrier property of aluminum plastic film；Secondly, this aluminum plastic film outer layer aluminium film surface is combined one layer of resin molding can be effective
Improve the anti-wear performance of aluminum plastic film, so that this aluminum plastic film has barrier property and the anti-wear performance of excellence.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
1. polypropylene layer；2. the first tack coat；3. aluminium foil layer；4. the second tack coat；5. resin film layer；6. the 3rd bonding
Layer；7. aluminium foil layer；8. the 4th tack coat；9. resin film layer.
Detailed description of the invention
Below in conjunction with detailed description of the invention, it is further elucidated with this utility model.
Embodiment
As it is shown in figure 1, this utility model provides a kind of double aluminium lamination type aluminum plastic film of polymer Li-ion battery application, including
1. polypropylene layer, 2. the first tack coat, 3. aluminium foil layer, 4. the second tack coat, 5. resin film layer, 6. the 3rd tack coat, 7. aluminium foil
Layer, 8. the 4th tack coat, 9. resin film layer.
The material of described polypropylene layer 1 is polypropylene, polypropylene and polyethylene co-extrusion thing, polypropylene and cyclenes hydro carbons co-extrusion
One in thing, described polypropylene layer thickness is 10～80 μm.
The material of described first tack coat the 2, second tack coat the 4, the 3rd tack coat 6 and the 4th tack coat 8 is PUR
One or more in film, adhesive, the hydrosol, described first tack coat, the second tack coat, the 3rd tack coat, the 4th bonding
The thickness of layer is respectively 0.01～30 μm, described first tack coat, the second tack coat, the 3rd tack coat, the consolidating of the 4th tack coat
Change mode is the one or more combination in heat cure, ultra-violet curing and electronic beam curing.
Described aluminium foil layer 3, the thickness of aluminium foil layer 7 are 10-60 μm, and chemical treatment, plasma can be used in aluminum foil material surface
One or more in process, physical treatment.
The material of described resin film layer 5 and resin film layer 9 is polyethylene, polypropylene, Fypro film, poly-terephthaldehyde
One or more combination in acid glycol ester, polybutylene terephthalate, cycloolefin analog copolymer, fluoro-containing copolymer film,
Described resin film layer thickness is 3～30 μm.
Product of the present utility model reaches following index through mensuration:
1. peel strength test: electrolyte soaks 85 DEG C, 1 day, film interlaminar strength is more than or equal to 8N/15mm.
2. permeability resistance test: soak 3 days in the water of 60 DEG C, without layering, weight change is less than 0.05 gram.
3. deep drawability test, the deep-draw degree of depth reaches more than 6mm.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (5)
1. the double aluminium lamination type aluminum plastic film of polymer Li-ion battery application, it is characterised in that include polypropylene layer, the first bonding
Layer, aluminium foil layer, the second tack coat, resin film layer, the 3rd tack coat, aluminium foil layer, the 4th tack coat, resin film layer, its by interior to
It is followed successively by outward polypropylene layer, the first tack coat tack coat, aluminium foil layer, the second tack coat, resin film layer, the 3rd tack coat, aluminium foil
Layer, the 4th tack coat, resin film layer.
2. apply double aluminium lamination type aluminum plastic film according to the polymer Li-ion battery described in claim 1, it is characterised in that described
Polypropylene layer thickness is 10～80 μm.
3. apply double aluminium lamination type aluminum plastic film according to the polymer Li-ion battery described in claim 1, it is characterised in that described
First tack coat, the second tack coat, the 3rd tack coat, the thickness of the 4th tack coat are respectively 0.01～30 μm.
4. apply double aluminium lamination type aluminum plastic film according to the polymer Li-ion battery described in claim 1, it is characterised in that described
Resin film layer thickness is 3～30 μm.
5. apply double aluminium lamination type aluminum plastic film according to the polymer Li-ion battery described in claim 1, it is characterised in that described
The thickness of aluminium foil layer is 10～60 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620131259.4U CN205542917U (en) | 2016-02-22 | 2016-02-22 | Polymer lithium ion battery uses two aluminium lamination type plastic -aluminum membranes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620131259.4U CN205542917U (en) | 2016-02-22 | 2016-02-22 | Polymer lithium ion battery uses two aluminium lamination type plastic -aluminum membranes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205542917U true CN205542917U (en) | 2016-08-31 |
Family
ID=56777689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620131259.4U Expired - Fee Related CN205542917U (en) | 2016-02-22 | 2016-02-22 | Polymer lithium ion battery uses two aluminium lamination type plastic -aluminum membranes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205542917U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529413A (en) * | 2016-02-22 | 2016-04-27 | 苏州锂盾储能材料技术有限公司 | Double aluminum layer type aluminum plastic film applied to polymer lithium ion battery |
| CN112054162A (en) * | 2020-09-16 | 2020-12-08 | 北京理工大学 | Packaging method of metal lithium reference electrode for lithium battery |
-
2016
- 2016-02-22 CN CN201620131259.4U patent/CN205542917U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105529413A (en) * | 2016-02-22 | 2016-04-27 | 苏州锂盾储能材料技术有限公司 | Double aluminum layer type aluminum plastic film applied to polymer lithium ion battery |
| CN112054162A (en) * | 2020-09-16 | 2020-12-08 | 北京理工大学 | Packaging method of metal lithium reference electrode for lithium battery |
| CN112054162B (en) * | 2020-09-16 | 2022-02-25 | 北京理工大学 | Packaging method of metal lithium reference electrode for lithium battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170222 |