CN208438826U - A kind of high-barrier high leakproofness lithium ion battery aluminum plastic film - Google Patents
A kind of high-barrier high leakproofness lithium ion battery aluminum plastic film Download PDFInfo
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- CN208438826U CN208438826U CN201821023680.9U CN201821023680U CN208438826U CN 208438826 U CN208438826 U CN 208438826U CN 201821023680 U CN201821023680 U CN 201821023680U CN 208438826 U CN208438826 U CN 208438826U
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- adhesive
- aluminum plastic
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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 discloses a kind of high-barrier high leakproofness lithium ion battery aluminum plastic films, successively include the first aluminium foil layer, the first adhesive layer, the second aluminium foil layer, the second adhesive layer, PET/ nylon film composite layer, third adhesive layer, third aluminium foil layer, the 4th adhesive layer, the 4th aluminium foil layer, the 5th adhesive layer and CPP hot sealing layer.A kind of high-barrier high leakproofness lithium ion battery aluminum plastic film of the utility model, outer layer, which sets double-layer aluminum-foil, can increase the heat-sinking capability of aluminum plastic film, and the infiltration of liquid is prevented but also as sacrificial layer；The presence for reducing pin hole increases the barrier property and leakproofness of aluminium foil；Aluminium foil can be contacted after preventing inner membrance to be pierced, so that aluminium foil is avoided to be corroded, the service life and safety of increased battery；The elasticity of aluminum plastic film can be greatly improved, reduce danger coefficient.
Description
Technical field
The utility model relates to the plastic-aluminum combined technical field of membrane of power battery Soft Roll more particularly to a kind of high-barrier high sealings
Property lithium ion battery aluminum plastic film.
Background technique
Lithium ion battery is widely applied by continuing to develop with high-energy density, superior high and low temperature environment adaptability
In multiple product.It is packed product and is also gradually converted into plastic-aluminum flexible packing by hard aluminum hull etc., and the flexible package is by high barrier
Aluminium foil and chemical resistance, heat resistance and flexible plastic film are combined.
Lithium ion battery flexible package aluminum plastic film includes the aluminium foil of high barrier, however aluminium foil is less than 0.2mm or less in thickness
When, can inevitably there be pin hole, and thickness is smaller, pin hole is more, and then has seriously affected the barrier property of aluminum plastic film and close
Feng Xing, the product yield also reduced.At present for the pin hole of reduction aluminium foil there is no effective implementation method, less company exists
The processing methods such as plasma arc sprayed-on Al layer and plasma passivation film.
Flexible package aluminum plastic film has flexibility, in lithium battery use process, can discharge unexpected generate caused by gas
Pressurization, however be easy for making aluminium foil to generate micro-crack once generating and being bubbled after long-term use, in turn result in the leakage of interior liquid
Even explode.It is heat-shrinked film layer or porous buffering film layer currently, there is company to increase and then inhibits to generate the internal pressure being bubbled.
There is the burr of copper mesh and aluminium net on polymer lithium ion battery core periphery, and when vacuumizing contraction, burr can jab interior
Film may pierce through inner membrance until aluminium foil accelerates electrochemistry then straight-through aluminium foil is caused pit corrosion by the hydrofluoric acid in battery core
Corrosion, changes the composition of electrolyte, wears aluminium foil corrosion and leakage when serious, while will also result in short circuit, battery is caused to be scrapped.
Currently, it is domestic not to this effective processing method, there are patent notes to be aluminized to aluminium foil progress surface to protect the side of aluminium foil
Method.
Currently, soft-package battery it is more and more extensive be used for power vehicle field.Lithium-ion-power cell is because of its excellent function
The advantages that rate output characteristics and long service life, obtains applications well in batteries of electric automobile packet at present.But lithium ion power is electric
The performance in pond is more sensitive to temperature change, especially large capacity used in power vehicle, high-power LiFePO4 (Li Fe
PO4) lithium ion battery.Loading space is limited inside power vehicle, and number of battery cells needed for vehicle is larger, and battery is close-packed arrays
Connection.When vehicle is run under the different driving conditions of the checkers such as high speed, low speed, acceleration, deceleration, battery can be with difference
Multiplying power discharging generates amount of heat with different heat rates, in addition accumulated time and spacial influence can generate uneven heat
Amount aggregation.If the battery pack of electric car cannot radiate in time at high temperature, it will cause battery pack system temperature excessively high or
Temperature distribution is non-uniform by person, and reduces battery charging and discharging cycle efficieny, also will lead to thermal runaway when serious, influences the safety of battery
Property and reliability.Therefore in order to make battery pack play optimum performance, extend the service life, need to optimize the structure of battery pack, to battery
Packet carries out heat management, increases cooling facilities, controls the temperature environment of battery operation.Power vehicle especially pure electric automobile and string
Connection formula mixes electrical automobile, and cell p ack is radiated by the way of liquid cooling, and radiating efficiency is high, cooling velocity is fast, to meet
The needs of high-power charge and discharge.Therefore the anti-hydrolytic performance of Soft Roll material is required very high.Existing implementation is all made of fluorine
Carbons coating adds waterproof layer to improve the waterproofness of aluminum plastic film, and this kind of implementation is mainly the infiltration for preventing vapor
And it designs, and can not work in liquid cooling system well.
Utility model content
In view of above-mentioned defect existing in the prior art, the purpose of this utility model is to propose a kind of high-barrier high leakproofness
Lithium ion battery aluminum plastic film.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of high-barrier high leakproofness lithium ion battery aluminum plastic film successively includes the first aluminium foil layer, the first adhesive layer, the
Two aluminium foil layers, the second adhesive layer, PET/ nylon film composite layer, third adhesive layer, third aluminium foil layer, the 4th adhesive layer, the 4th
Aluminium foil layer, the 5th adhesive layer and CPP hot sealing layer.
Further, first aluminium foil layer is made of 8011 aluminiums, first aluminium foil layer with a thickness of 20 μm of -25 μ
m。
Further, first adhesive layer is made of epoxy resin AB glue.
Further, second aluminium foil layer is made of 8011 aluminiums, second aluminium foil layer with a thickness of 20 μm of -25 μ
m。
Further, second adhesive layer is made of epoxy resin AB glue.
Further, the PET/ nylon film composite layer with a thickness of 15 μm -25 μm.
Further, the third adhesive layer is made of adhesive for polyurethane or epoxy resin adhesive.
Further, the third aluminium foil layer is made of 8011 aluminiums, the third aluminium foil layer with a thickness of 20 μm of -25 μ
m。
Further, the 4th adhesive layer is made of epoxy resin AB glue.
Further, the 4th aluminium foil layer is made of 8011 aluminiums, the 4th aluminium foil layer with a thickness of 20 μm of -25 μ
m。
Further, the 5th adhesive layer is made of adhesive for polyurethane or epoxy resin adhesive.
Further, the CPP hot sealing layer with a thickness of 40 μm -80 μm.
Further, the outer surface of first aluminium foil layer is pasted with protective film layer by the 6th adhesive layer, and the described 6th
Adhesive layer is made of adhesive for polyurethane or acrylic compounds adhesive, and the protective film layer is by polypropylene, polyethylene, cyclenes hydro carbons
One of copolymer or more than one co-extrusion object constitute, the protective film layer with a thickness of 15 μm -25 μm.
The protrusion effect of the utility model are as follows:
A kind of high-barrier high leakproofness lithium ion battery aluminum plastic film of the utility model, outer layer, which sets double-layer aluminum-foil, to be increased
The heat-sinking capability for adding aluminum plastic film prevents the infiltration of liquid but also as sacrificial layer；The presence for reducing pin hole, increases aluminium foil
Barrier property and leakproofness；Aluminium foil can be contacted after preventing inner membrance to be pierced, so that aluminium foil be avoided to be corroded, increased battery makes
With service life and safety；The elasticity of aluminum plastic film can be greatly improved, reduce danger coefficient；Epoxy resin AB glue not only has
Adhesive strength, have more anti-hydrolytic performance, preferably make aluminum plastic film have water resistance, can also be to the pin hole of both sides aluminium foil
Barrier action is played, and there is corrosion resistance, so that aluminium foil be avoided to generate leakage by electrolytic corrosion；It can be good at inhibiting
Internal pressure, and aluminium foil can be contacted after preventing inner membrance to be pierced, improve the safety and service life of battery；The aluminium foil of outer layer
It can be applied to the power vehicle cell p ack with particular/special requirement, i.e., carry out battery thermal management by the way of liquid cooling.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment 1-3；
Fig. 2 is the structural schematic diagram of the utility model embodiment 4-6.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Embodiment 1
As shown in Figure 1, a kind of high-barrier high leakproofness lithium ion battery aluminum plastic film of the present embodiment, successively includes first
Aluminium foil layer 1, the first adhesive layer 2, the second aluminium foil layer 3, the second adhesive layer 4, PET/ nylon film composite layer 5, third adhesive layer 6,
Third aluminium foil layer 7, the 4th adhesive layer 8, the 4th aluminium foil layer 9, the 5th adhesive layer 10 and CPP hot sealing layer 11.
First aluminium foil layer 1 is made of 8011 aluminiums, the first aluminium foil layer 1 with a thickness of 20 μm.
First adhesive layer 2 is made of epoxy resin AB glue.
Second aluminium foil layer 3 is made of 8011 aluminiums, the second aluminium foil layer 3 with a thickness of 20 μm.
Second adhesive layer 4 is made of epoxy resin AB glue.
PET/ nylon film composite layer 5 with a thickness of 15 μm.
Third adhesive layer 6 is made of adhesive for polyurethane.
Third aluminium foil layer 7 is made of 8011 aluminiums, third aluminium foil layer 7 with a thickness of 20 μm.
4th adhesive layer 8 is made of epoxy resin AB glue.
4th aluminium foil layer 9 is made of 8011 aluminiums, the 4th aluminium foil layer 9 with a thickness of 20 μm.
5th adhesive layer 10 is made of adhesive for polyurethane.
CPP hot sealing layer 11 with a thickness of 40 μm.
Embodiment 2
As shown in Figure 1, a kind of high-barrier high leakproofness lithium ion battery aluminum plastic film of the present embodiment, successively includes first
Aluminium foil layer 1, the first adhesive layer 2, the second aluminium foil layer 3, the second adhesive layer 4, PET/ nylon film composite layer 5, third adhesive layer 6,
Third aluminium foil layer 7, the 4th adhesive layer 8, the 4th aluminium foil layer 9, the 5th adhesive layer 10 and CPP hot sealing layer 11.
First aluminium foil layer 1 is made of 8011 aluminiums, the first aluminium foil layer 1 with a thickness of 25 μm.
First adhesive layer 2 is made of epoxy resin AB glue.
Second aluminium foil layer 3 is made of 8011 aluminiums, the second aluminium foil layer 3 with a thickness of 25 μm.
Second adhesive layer 4 is made of epoxy resin AB glue.
PET/ nylon film composite layer 5 with a thickness of 25 μm.
Third adhesive layer 6 is made of epoxy resin adhesive.
Third aluminium foil layer 7 is made of 8011 aluminiums, third aluminium foil layer 7 with a thickness of 25 μm.
4th adhesive layer 8 is made of epoxy resin AB glue.
4th aluminium foil layer 9 is made of 8011 aluminiums, the 4th aluminium foil layer 9 with a thickness of 25 μm.
5th adhesive layer 10 is made of epoxy resin adhesive.
CPP hot sealing layer 11 with a thickness of 80 μm.
Embodiment 3
As shown in Figure 1, a kind of high-barrier high leakproofness lithium ion battery aluminum plastic film of the present embodiment, successively includes first
Aluminium foil layer 1, the first adhesive layer 2, the second aluminium foil layer 3, the second adhesive layer 4, PET/ nylon film composite layer 5, third adhesive layer 6,
Third aluminium foil layer 7, the 4th adhesive layer 8, the 4th aluminium foil layer 9, the 5th adhesive layer 10 and CPP hot sealing layer 11.
First aluminium foil layer 1 is made of 8011 aluminiums, the first aluminium foil layer 1 with a thickness of 22 μm.
First adhesive layer 2 is made of epoxy resin AB glue.
Second aluminium foil layer 3 is made of 8011 aluminiums, the second aluminium foil layer 3 with a thickness of 23 μm.
Second adhesive layer 4 is made of epoxy resin AB glue.
PET/ nylon film composite layer 5 with a thickness of 20 μm.
Third adhesive layer 6 is made of adhesive for polyurethane.
Third aluminium foil layer 7 is made of 8011 aluminiums, third aluminium foil layer 7 with a thickness of 22 μm.
4th adhesive layer 8 is made of epoxy resin AB glue.
4th aluminium foil layer 9 is made of 8011 aluminiums, the 4th aluminium foil layer 9 with a thickness of 22 μm.
5th adhesive layer 10 is made of epoxy resin adhesive.
CPP hot sealing layer 11 with a thickness of 50 μm.
Embodiment 4
As shown in Figure 1, 2, a kind of high-barrier high leakproofness lithium ion battery aluminum plastic film of the present embodiment successively includes the
One aluminium foil layer 1, the first adhesive layer 2, the second aluminium foil layer 3, the second adhesive layer 4, PET/ nylon film composite layer 5, third adhesive layer
6, third aluminium foil layer 7, the 4th adhesive layer 8, the 4th aluminium foil layer 9, the 5th adhesive layer 10 and CPP hot sealing layer 11.
First aluminium foil layer 1 is made of 8011 aluminiums, the first aluminium foil layer 1 with a thickness of 20 μm.
First adhesive layer 2 is made of epoxy resin AB glue.
Second aluminium foil layer 3 is made of 8011 aluminiums, the second aluminium foil layer 3 with a thickness of 20 μm.
Second adhesive layer 4 is made of epoxy resin AB glue.
PET/ nylon film composite layer 5 with a thickness of 15 μm.
Third adhesive layer 6 is made of adhesive for polyurethane.
Third aluminium foil layer 7 is made of 8011 aluminiums, third aluminium foil layer 7 with a thickness of 20 μm.
4th adhesive layer 8 is made of epoxy resin AB glue.
4th aluminium foil layer 9 is made of 8011 aluminiums, the 4th aluminium foil layer 9 with a thickness of 20 μm.
5th adhesive layer 10 is made of adhesive for polyurethane.
CPP hot sealing layer 11 with a thickness of 40 μm.
The outer surface of first aluminium foil layer 1 is pasted with protective film layer 13 by the 6th adhesive layer 12, and the 6th adhesive layer 12 is by gathering
Urethane adhesive is constituted, and protective film layer 13 is made of polypropylene, protective film layer 13 with a thickness of 15 μm.
Embodiment 5
As shown in Fig. 2, a kind of high-barrier high leakproofness lithium ion battery aluminum plastic film of the present embodiment, successively includes first
Aluminium foil layer 1, the first adhesive layer 2, the second aluminium foil layer 3, the second adhesive layer 4, PET/ nylon film composite layer 5, third adhesive layer 6,
Third aluminium foil layer 7, the 4th adhesive layer 8, the 4th aluminium foil layer 9, the 5th adhesive layer 10 and CPP hot sealing layer 11.
First aluminium foil layer 1 is made of 8011 aluminiums, the first aluminium foil layer 1 with a thickness of 25 μm.
First adhesive layer 2 is made of epoxy resin AB glue.
Second aluminium foil layer 3 is made of 8011 aluminiums, the second aluminium foil layer 3 with a thickness of 25 μm.
Second adhesive layer 4 is made of epoxy resin AB glue.
PET/ nylon film composite layer 5 with a thickness of 25 μm.
Third adhesive layer 6 is made of epoxy resin adhesive.
Third aluminium foil layer 7 is made of 8011 aluminiums, third aluminium foil layer 7 with a thickness of 25 μm.
4th adhesive layer 8 is made of epoxy resin AB glue.
4th aluminium foil layer 9 is made of 8011 aluminiums, the 4th aluminium foil layer 9 with a thickness of 25 μm.
5th adhesive layer 10 is made of epoxy resin adhesive.
CPP hot sealing layer 11 with a thickness of 80 μm.
The outer surface of first aluminium foil layer 1 is pasted with protective film layer 13 by the 6th adhesive layer 12, and the 6th adhesive layer 12 is by third
Olefin(e) acid class adhesive is constituted, and protective film layer 13 is made of the co-extrusion object of polypropylene and polyethylene, protective film layer 13 with a thickness of 25 μ
m。
Embodiment 6
As shown in Fig. 2, a kind of high-barrier high leakproofness lithium ion battery aluminum plastic film of the present embodiment, successively includes first
Aluminium foil layer 1, the first adhesive layer 2, the second aluminium foil layer 3, the second adhesive layer 4, PET/ nylon film composite layer 5, third adhesive layer 6,
Third aluminium foil layer 7, the 4th adhesive layer 8, the 4th aluminium foil layer 9, the 5th adhesive layer 10 and CPP hot sealing layer 11.
First aluminium foil layer 1 is made of 8011 aluminiums, the first aluminium foil layer 1 with a thickness of 22 μm.
First adhesive layer 2 is made of epoxy resin AB glue.
Second aluminium foil layer 3 is made of 8011 aluminiums, the second aluminium foil layer 3 with a thickness of 23 μm.
Second adhesive layer 4 is made of epoxy resin AB glue.
PET/ nylon film composite layer 5 with a thickness of 20 μm.
Third adhesive layer 6 is made of adhesive for polyurethane.
Third aluminium foil layer 7 is made of 8011 aluminiums, third aluminium foil layer 7 with a thickness of 22 μm.
4th adhesive layer 8 is made of epoxy resin AB glue.
4th aluminium foil layer 9 is made of 8011 aluminiums, the 4th aluminium foil layer 9 with a thickness of 22 μm.
5th adhesive layer 10 is made of epoxy resin adhesive.
CPP hot sealing layer 11 with a thickness of 50 μm.
The outer surface of first aluminium foil layer 1 is pasted with protective film layer 13 by the 6th adhesive layer 12, and the 6th adhesive layer 12 is by gathering
Urethane adhesive is constituted, and protective film layer 13 is made of the co-extrusion object of polypropylene, polyethylene, cyclenes hydrocarbon type copolymer, protective film layer
13 with a thickness of 20 μm.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (13)
1. a kind of high-barrier high leakproofness lithium ion battery aluminum plastic film, it is characterised in that: successively include the first aluminium foil layer, first
Adhesive layer, the second aluminium foil layer, the second adhesive layer, PET/ nylon film composite layer, third adhesive layer, third aluminium foil layer, the 4th glue
Adhesion coating, the 4th aluminium foil layer, the 5th adhesive layer and CPP hot sealing layer.
2. a kind of high-barrier high leakproofness lithium ion battery aluminum plastic film according to claim 1, it is characterised in that: described
First aluminium foil layer is made of 8011 aluminiums, first aluminium foil layer with a thickness of 20 μm -25 μm.
3. a kind of high-barrier high leakproofness lithium ion battery aluminum plastic film according to claim 1, it is characterised in that: described
First adhesive layer is made of epoxy resin AB glue.
4. a kind of high-barrier high leakproofness lithium ion battery aluminum plastic film according to claim 1, it is characterised in that: described
Second aluminium foil layer is made of 8011 aluminiums, second aluminium foil layer with a thickness of 20 μm -25 μm.
5. a kind of high-barrier high leakproofness lithium ion battery aluminum plastic film according to claim 1, it is characterised in that: described
Second adhesive layer is made of epoxy resin AB glue.
6. a kind of high-barrier high leakproofness lithium ion battery aluminum plastic film according to claim 1, it is characterised in that: described
PET/ nylon film composite layer with a thickness of 15 μm -25 μm.
7. a kind of high-barrier high leakproofness lithium ion battery aluminum plastic film according to claim 1, it is characterised in that: described
Third adhesive layer is made of adhesive for polyurethane or epoxy resin adhesive.
8. a kind of high-barrier high leakproofness lithium ion battery aluminum plastic film according to claim 1, it is characterised in that: described
Third aluminium foil layer is made of 8011 aluminiums, the third aluminium foil layer with a thickness of 20 μm -25 μm.
9. a kind of high-barrier high leakproofness lithium ion battery aluminum plastic film according to claim 1, it is characterised in that: described
4th adhesive layer is made of epoxy resin AB glue.
10. a kind of high-barrier high leakproofness lithium ion battery aluminum plastic film according to claim 1, it is characterised in that: institute
The 4th aluminium foil layer is stated to be made of 8011 aluminiums, the 4th aluminium foil layer with a thickness of 20 μm -25 μm.
11. a kind of high-barrier high leakproofness lithium ion battery aluminum plastic film according to claim 1, it is characterised in that: institute
The 5th adhesive layer is stated to be made of adhesive for polyurethane or epoxy resin adhesive.
12. a kind of high-barrier high leakproofness lithium ion battery aluminum plastic film according to claim 1, it is characterised in that: institute
State CPP hot sealing layer with a thickness of 40 μm -80 μm.
13. a kind of high-barrier high leakproofness lithium ion battery aluminum plastic film according to claim 1, it is characterised in that: institute
The outer surface for stating the first aluminium foil layer is pasted with protective film layer by the 6th adhesive layer, and the 6th adhesive layer is by adhesive for polyurethane
Or acrylic compounds adhesive is constituted, the protective film layer is by one of polypropylene, polyethylene, cyclenes hydrocarbon type copolymer or one kind
Above co-extrusion object is constituted, the protective film layer with a thickness of 15 μm -25 μm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821023680.9U CN208438826U (en) | 2018-06-29 | 2018-06-29 | A kind of high-barrier high leakproofness lithium ion battery aluminum plastic film |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821023680.9U CN208438826U (en) | 2018-06-29 | 2018-06-29 | A kind of high-barrier high leakproofness lithium ion battery aluminum plastic film |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113451686A (en) * | 2020-03-24 | 2021-09-28 | 深圳格林德能源集团有限公司 | High-safety aluminum-plastic film for soft package lithium ion battery |
| CN113629327A (en) * | 2020-05-06 | 2021-11-09 | 浙江鹏远新材料科技集团股份有限公司 | Lithium battery flexible package aluminum-plastic film material and preparation method thereof |
| CN113799455A (en) * | 2021-08-09 | 2021-12-17 | 广东兆美新材料科技有限公司 | Double-aluminum mylar electronic film |
-
2018
- 2018-06-29 CN CN201821023680.9U patent/CN208438826U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113451686A (en) * | 2020-03-24 | 2021-09-28 | 深圳格林德能源集团有限公司 | High-safety aluminum-plastic film for soft package lithium ion battery |
| 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 |
| CN113629327A (en) * | 2020-05-06 | 2021-11-09 | 浙江鹏远新材料科技集团股份有限公司 | Lithium battery flexible package aluminum-plastic film material and preparation method thereof |
| CN113799455A (en) * | 2021-08-09 | 2021-12-17 | 广东兆美新材料科技有限公司 | Double-aluminum mylar electronic film |
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Address after: 213000 No.20 Changyang Road, West Taihu science and Technology Industrial Park, Wujin District, Changzhou City, Jiangsu Province Patentee after: Xinlun new energy materials (Changzhou) Co.,Ltd. Address before: 213000 No.20 Changyang Road, West Taihu science and Technology Industrial Park, Wujin District, Changzhou City, Jiangsu Province Patentee before: SELEN COMPOSITE MATERIAL (CHANGZHOU) CO.,LTD. |