CN104966798A - Composite packaging high-corrosion-resistant barrier aluminum-plastic film for lithium battery - Google Patents
Composite packaging high-corrosion-resistant barrier aluminum-plastic film for lithium battery Download PDFInfo
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- CN104966798A CN104966798A CN201510407695.XA CN201510407695A CN104966798A CN 104966798 A CN104966798 A CN 104966798A CN 201510407695 A CN201510407695 A CN 201510407695A CN 104966798 A CN104966798 A CN 104966798A
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- aluminium foil
- plastic film
- rete
- corrosion resistant
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- 238000005260 corrosion Methods 0.000 title claims abstract description 31
- 239000002985 plastic film Substances 0.000 title claims abstract description 27
- 229920006255 plastic film Polymers 0.000 title claims abstract description 27
- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 14
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 13
- 230000004888 barrier function Effects 0.000 title abstract description 9
- 239000004831 Hot glue Substances 0.000 claims abstract description 29
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 27
- 230000007797 corrosion Effects 0.000 claims abstract description 27
- 239000004677 Nylon Substances 0.000 claims abstract description 23
- 229920001778 nylon Polymers 0.000 claims abstract description 23
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000011737 fluorine Substances 0.000 claims abstract description 18
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 18
- 239000004743 Polypropylene Substances 0.000 claims abstract description 12
- 229920001155 polypropylene Polymers 0.000 claims abstract description 12
- 239000011888 foil Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 52
- 239000005030 aluminium foil Substances 0.000 claims description 40
- -1 Kynoar Polymers 0.000 claims description 11
- 239000003973 paint Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 229920002620 polyvinyl fluoride Polymers 0.000 claims description 6
- 230000004048 modification Effects 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 3
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 claims description 3
- 238000005238 degreasing Methods 0.000 claims description 3
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 claims description 3
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 claims description 3
- 229920001519 homopolymer Polymers 0.000 claims description 3
- 229920001897 terpolymer Polymers 0.000 claims description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 3
- 229920001959 vinylidene polymer Polymers 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000004822 Hot adhesive Substances 0.000 abstract 7
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000010030 laminating Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
- 229920000265 Polyparaphenylene Polymers 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- OZDGMOYKSFPLSE-UHFFFAOYSA-N 2-Methylaziridine Chemical compound CC1CN1 OZDGMOYKSFPLSE-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- CGKQZIULZRXRRJ-UHFFFAOYSA-N Butylone Chemical compound CCC(NC)C(=O)C1=CC=C2OCOC2=C1 CGKQZIULZRXRRJ-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- UXGNZZKBCMGWAZ-UHFFFAOYSA-N dimethylformamide dmf Chemical compound CN(C)C=O.CN(C)C=O UXGNZZKBCMGWAZ-UHFFFAOYSA-N 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229940100630 metacresol Drugs 0.000 description 1
- 239000000025 natural resin Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007719 peel strength test Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001197 polyacetylene Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to a composite packaging high-corrosion-resistant barrier aluminum-plastic film for a lithium battery. The composite packaging high-corrosion-resistant barrier aluminum-plastic film comprises a co-polypropylene layer, a first hot adhesive film layer, a corrosion-resistant aluminum foil layer, a second hot adhesive film layer, a barrier-type aluminum-foil layer, a third hot glue film layer, a first nylon layer, a fourth hot adhesive film layer, a fluorine film layer and a second nylon layer, and the aluminum-plastic film is prepared by sequentially laminating the co-polypropylene layer, the first hot adhesive film layer, the corrosion-resistant aluminum-foil layer, the second hot adhesive film layer, the barrier-type aluminum foil layer, the third hot adhesive film layer, the first nylon layer, the fourth hot adhesive film layer, the fluorine film layer and the second nylon layer from inside to outside. By adopting a multilayer co-extrusion compositing technology, the composite packaging high-corrosion-resistant barrier aluminum-plastic film is simple to process and has excellent barrier performance, hot sealing performance, extension performance and corrosion resistance.
Description
Technical field
The present invention relates to battery packaging material field, particularly a kind of lithium battery composite packaging height corrosion resistant intercepts aluminum plastic film.
Background technology
Aluminum plastic film is the important housing material of lithium ion battery flexible package, in recent years along with the extensive use of the 3C Products such as iPhone, iPad, Ultrabook, in addition the exploitation of lithium ion battery electric automobile, the application of polymer Li-ion battery also increases fast, the corresponding growth having driven aluminum plastic film demand.
Because the electrolyte in lithium ion battery has very strong sensitiveness to glassware for drinking water, electrolyte is met water and is easy to generate severe corrosive hydrofluoric acid and other gases, and these materials of generation can have a strong impact on cycle-index and the useful life of battery, cause battery rapid failure.In addition, battery is easy to pierce through, destroy wrapping film in machine-shaping process, and thus lithium ion battery external packing aluminum plastic film need have excellent barrier, heat sealability, ductility and chemical stability.How improving these correlated performances of aluminum plastic film is the major issues of closing system lithium cell quality.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of lithium battery composite packaging height corrosion resistant and intercept aluminum plastic film, this aluminum plastic film has excellent barrier property, heat sealability, ductility, decay resistance.
Technical scheme of the present invention is: a kind of lithium battery composite packaging height corrosion resistant intercepts aluminum plastic film, comprise co-polypropylene layer, first hot glue rete, corrosion resistant type aluminium foil layer, second hot glue rete, isolation-type aluminium foil layer, 3rd hot glue rete, first nylon layer, 4th hot glue rete, fluorine rete, second nylon layer, described aluminum plastic film stacks gradually described co-polypropylene layer from inside to outside, first hot glue rete, corrosion resistant type aluminium foil layer, second hot glue rete, isolation-type aluminium foil layer, 3rd hot glue rete, first nylon layer, 4th hot glue rete, fluorine rete, second nylon layer.
As a preferred embodiment of the present invention, the aluminium foil surface of described corrosion resistant type aluminium foil layer is coated with anticorrosive paint coating.
As a preferred embodiment of the present invention, the aluminum foil thickness of described corrosion resistant type aluminium foil layer is 10 ~ 50 μm, and anticorrosive paint coating layer thickness is 2 ~ 20 μm.
As a preferred embodiment of the present invention, described isolation-type aluminium foil layer forms isolation-type aluminium foil by carrying out the process of degreasing chromaking at aluminium foil surface, and the thickness of described isolation-type aluminium foil layer is 30 ~ 100 μm.
As a preferred embodiment of the present invention, the material of described fluorine rete is one or more combinations in polyvinyl fluoride, Kynoar, polytetrafluoroethylene, difluoroethylene homopolymer, tetrafluoroethene, hexafluoropropylene, the binary of vinylidene or terpolymer, modification polyvinyl fluoride, modified polyvinilidene fluoride, modified Teflon; The thickness of described fluorine rete is 3 ~ 30 μm.
After adopting technique scheme, the invention has the beneficial effects as follows:
First, the present invention adopts the double-layer aluminum-foil technology of anticorrosion aluminium foil layer and isolation-type aluminium foil layer effectively can improve corrosion resistance and the barrier of aluminum plastic film; Secondly, the present invention's skin adopts the structure of two nylon layer fluoridize rete effectively can improve the outer field ductility of aluminum plastic film and chemical stability.The present invention adopts multi-layer co-extruded complex technique to produce, and processing is simple, has excellent barrier property, heat sealability, ductility, decay resistance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein, 1 is co-polypropylene layer; 2 is the first hot glue rete; 3 is corrosion resistant type aluminium foil layer; 4 is the second hot glue rete; 5 is isolation-type aluminium foil layer; 6 is the 3rd hot glue rete; 7 is the first nylon layer; 8 is the 4th hot glue rete; 9 is fluorine rete; 10 is the second nylon layer.
Embodiment
In order to make objects and advantages of the present invention clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and be not used in restriction invention.
As shown in Figure 1, the invention provides a kind of lithium battery composite packaging height corrosion resistant and intercept aluminum plastic film, comprise co-polypropylene layer 1, first hot glue rete 2, corrosion resistant type aluminium foil layer 3, second hot glue rete 4, isolation-type aluminium foil layer 5, 3rd hot glue rete 6, first nylon layer 7, 4th hot glue rete 8, fluorine rete 9, second nylon layer 10, described aluminum plastic film stacks gradually described co-polypropylene layer 1 from inside to outside, first hot glue rete 2, corrosion resistant type aluminium foil layer 3, second hot glue rete 4, isolation-type aluminium foil layer 5, 3rd hot glue rete 6, first nylon layer 7, 4th hot glue rete 8, fluorine rete 9, second nylon layer 10.
The aluminium foil surface of described corrosion resistant type aluminium foil layer 3 is coated with anticorrosive paint coating.The aluminum foil thickness of described corrosion resistant type aluminium foil layer 3 is 10 ~ 50 μm, and anticorrosive paint coating layer thickness is 2 ~ 20 μm.Concrete, anticorrosive paint coating can select one or more combinations in the polyaniline of solubility, polyacetylene, polyparaphenylene PPP, polyparaphenylene's acetylene, polypyrrole, polythiophene and poly-O-ethoxyl amine anticorrosive paint to carry out anticorrosion, conduction modification to soft aluminium foil surface.The optional 1-METHYLPYRROLIDONE NMP of above-mentioned coating solution, acetic acid, perchloric acid, fluoboric acid, pyridine, ethanol, triethylamine, 2-methylaziridine, heptan imines, metacresol, dimethylbenzene, chloroform, methyl alcohol, dimethyl formamide DMF, dimethylbenzene, acetone, ethyl acetate, butyl acetate, one or more combinations in butanone.One or more combinations in the optional epoxy resin of the main material of anticorrosive paint film forming coating, polyimides, natural resin, phenolic resins, amino materials, nitre radical species, chlorinated rubber, acrylic acid, polyurethane, organic siliconresin, fluorocarbon resin, polysiloxanes, vinyl.Anticorrosive paint concentration is 2%-80%
Described isolation-type aluminium foil layer 5 forms isolation-type aluminium foil by carrying out the process of degreasing chromaking at aluminium foil surface, and the thickness of described isolation-type aluminium foil layer is 30 ~ 100 μm.
The material of described fluorine rete 9 is one or more combinations in polyvinyl fluoride, Kynoar, polytetrafluoroethylene, difluoroethylene homopolymer, tetrafluoroethene, hexafluoropropylene, the binary of vinylidene or terpolymer, modification polyvinyl fluoride, modified polyvinilidene fluoride, modified Teflon; The thickness of described fluorine rete 9 is 3 ~ 30 μm.
In order to improve performance of the present invention further, one or both in the present invention in nylon, co-polypropylene, fluorine film single or double employing corona, low carry out process modification.The manufacturing technology steps of this aluminum plastic film is as follows:
1. pair co-polypropylene one side, nylon and fluorine film are two-sided all adopts plasma corona treatment;
2. co-polypropylene, anticorrosion type aluminium foil, isolation-type aluminium foil, nylon, fluorine film, nylon are bondd by adhesive, and carry out lamination, compound, drying by above-mentioned lamination order, obtain aluminum plastic film finished product.
Product of the present invention reaches following index through mensuration:
1. peel strength test: electrolyte soaks 85 DEG C, 7 days, and film interlaminar strength is more than or equal to 8N/15mm;
2. permeability resistance test: soak 14 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.
To be apparent for those skilled in the art to the multiple amendment of embodiment, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a lithium battery composite packaging height corrosion resistant intercepts aluminum plastic film, it is characterized in that, comprise co-polypropylene layer, the first hot glue rete, corrosion resistant type aluminium foil layer, the second hot glue rete, isolation-type aluminium foil layer, the 3rd hot glue rete, the first nylon layer, the 4th hot glue rete, fluorine rete, the second nylon layer, described aluminum plastic film stacks gradually described co-polypropylene layer, the first hot glue rete, corrosion resistant type aluminium foil layer, the second hot glue rete, isolation-type aluminium foil layer, the 3rd hot glue rete, the first nylon layer, the 4th hot glue rete, fluorine rete, the second nylon layer from inside to outside.
2. intercept aluminum plastic film according to the lithium battery composite packaging height corrosion resistant described in claim 1, it is characterized in that, the aluminium foil surface of described corrosion resistant type aluminium foil layer is coated with anticorrosive paint coating.
3. intercept aluminum plastic film according to the lithium battery composite packaging height corrosion resistant described in claim 2, it is characterized in that, the aluminum foil thickness of described corrosion resistant type aluminium foil layer is 10 ~ 50 μm, and anticorrosive paint coating layer thickness is 2 ~ 20 μm.
4. intercept aluminum plastic film according to the lithium battery composite packaging height corrosion resistant described in claim 1, it is characterized in that, described isolation-type aluminium foil layer forms isolation-type aluminium foil by carrying out the process of degreasing chromaking at aluminium foil surface, and the thickness of described isolation-type aluminium foil layer is 30 ~ 100 μm.
5. intercept aluminum plastic film according to the lithium battery composite packaging height corrosion resistant described in claim 1, it is characterized in that, the material of described fluorine rete is one or more combinations in polyvinyl fluoride, Kynoar, polytetrafluoroethylene, difluoroethylene homopolymer, tetrafluoroethene, hexafluoropropylene, the binary of vinylidene or terpolymer, modification polyvinyl fluoride, modified polyvinilidene fluoride, modified Teflon; The thickness of described fluorine rete is 3 ~ 30 μm.
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| CN201510407695.XA CN104966798A (en) | 2015-07-13 | 2015-07-13 | Composite packaging high-corrosion-resistant barrier aluminum-plastic film for lithium battery |
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| CN201510407695.XA CN104966798A (en) | 2015-07-13 | 2015-07-13 | Composite packaging high-corrosion-resistant barrier aluminum-plastic film for lithium battery |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107346806A (en) * | 2016-05-08 | 2017-11-14 | 谢彦君 | Efficient soft-package battery heat control device and cooling means |
| CN108864462A (en) * | 2018-07-16 | 2018-11-23 | 广东工业大学 | A kind of modification of nylon film, preparation method and lithium ion battery flexible package aluminum plastic film |
| CN110216946A (en) * | 2019-06-06 | 2019-09-10 | 惠州市百泉河实业有限公司 | Low warpage aluminium plastic membrane of a kind of scouring depth and preparation method thereof |
| CN110667212A (en) * | 2019-10-17 | 2020-01-10 | 常州斯威克光伏新材料有限公司 | Soft packaging film for lithium battery |
| CN111430581A (en) * | 2020-03-31 | 2020-07-17 | 苏州锂盾储能材料技术有限公司 | High-corrosion-resistance type bimetal film composite aluminum plastic film and manufacturing method thereof |
| CN111430580A (en) * | 2020-03-31 | 2020-07-17 | 苏州锂盾储能材料技术有限公司 | Double PP-A L combined aluminum-plastic film and manufacturing method thereof |
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Application publication date: 20151007 |