CN204179123U - There is the lithium ion battery aluminum plastic film of fluorine rete heat-sealing film - Google Patents
There is the lithium ion battery aluminum plastic film of fluorine rete heat-sealing film Download PDFInfo
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- CN204179123U CN204179123U CN201420711228.7U CN201420711228U CN204179123U CN 204179123 U CN204179123 U CN 204179123U CN 201420711228 U CN201420711228 U CN 201420711228U CN 204179123 U CN204179123 U CN 204179123U
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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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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to a kind of lithium ion battery aluminum plastic film with fluorine rete heat-sealing film, comprise nylon layer, the first adhesive layer, aluminium foil, the second adhesive layer and heat-sealing film that ecto-entad order is stacked, described heat-sealing film is laminated by polyolefin film, fluorine film and heat-sealing polypropylene film ecto-entad order.The lithium ion battery aluminum plastic film that the utility model has fluorine rete heat-sealing film has better ductility, barrier and corrosion resistance relative to conventional lithium ion battery aluminum plastic film.The number of plies of the polyolefin multi-layer composite membrane of the lithium ion battery aluminum plastic film of institute's output is few, low cost of manufacture.
Description
Technical field
The utility model relates to secondary lithium battery aluminum plastic film field, is specifically related to a kind of lithium ion battery aluminum plastic film with fluorine rete heat-sealing film.
Background technology
The heat-sealing film of the current cell aluminum-plastic membrane bag used is mostly use polyolefin multi-layer composite membrane, the barrier of these cell aluminum-plastic membrane bags is the performances relying on merely the barrier of aluminium foil excellence could keep excellent, and polyolefin multi-layer composite membrane can not produce good gain effect to the barrier of aluminium foil.
Summary of the invention
In order to solve the problems referred to above that prior art exists, the utility model provides a kind of lithium ion battery aluminum plastic film with fluorine rete heat-sealing film, and fluorine rete is clipped between two layers of polypropylene, can the ductility of RPP composite bed, barrier and corrosion resistance; Can produce the ductility of aluminium foil and barrier after the polypropylene composite materials layer with fluorine rete is combined with aluminium foil and good benefit effect, and allow the corrosion resistance of heat-sealing film significantly improve, thus improve the ductility of lithium ion battery aluminum plastic film, barrier and corrosion resistance larger.
The utility model provides following technical scheme: a kind of lithium ion battery aluminum plastic film with fluorine rete heat-sealing film, comprise nylon layer, the first adhesive layer, aluminium foil, the second adhesive layer and heat-sealing film that ecto-entad order is stacked, described heat-sealing film is laminated by polyolefin film, fluorine film and heat-sealing polypropylene film ecto-entad order.
Described polyolefin film thickness is 5um-10um.
Described fluorine film thickness is 15-20um, and light transmittance is 70-80%.
Described heat-sealing polypropylene thickness is 20-30um.
Described heat-sealing film gross thickness is 40-50um.
Described polyolefin film is a kind of micro-shape is dendritic random olefin copolymer film.
Described fluorine film is for the one in the transparent fluorine film in solar energy transparent back panel.
Described heat-sealing polypropylene film is from the acrylic resin, vinyl-acrylate copolymer, unmodified acrylic resin etc. of sour modification, choose one be made as raw material.
The beneficial effects of the utility model: the heat-sealing film be made up of polyolefin film, fluorine film and heat-sealing polypropylene film, the heat-sealing film of relative conventional lithium ion battery aluminum plastic film has better ductility, barrier and corrosion resistance.There is the lithium ion battery aluminum plastic film of this heat-sealing film, the number of plies of polyolefin multi-layer composite membrane can be reduced, significantly reduce the consumption of adhesive thus, thus significantly reduce the cost of lithium ion battery aluminum plastic film.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model has the lithium ion battery aluminum plastic film of fluorine rete heat-sealing film.
Fig. 2 is heat-sealing film structural representation of the present utility model.
Embodiment
1,2 pair of a kind of lithium ion battery aluminum plastic film with fluorine rete heat-sealing film of the utility model is further described by reference to the accompanying drawings now.
As shown in Figure 1, 2, lithium ion battery aluminum plastic film comprises the stacked nylon layer D of ecto-entad order, the first adhesive layer E, aluminium foil F, the second adhesive layer G and heat-sealing film H, this heat-sealing film H is laminated by polyolefin film A, fluorine film B and heat-sealing polypropylene film C ecto-entad order, heat-sealing film H has three layers, is built up by polyolefin film A, fluorine film B and heat-sealing polypropylene film C ecto-entad sequential layer.
Polyolefin film A is a kind of micro-shape is dendritic random olefin copolymer film, its role is to be bondd by binding agent with aluminium foil, random olefin copolymer film is wherein a kind of coextrusion casting stretched film made of copolymer etc. of the polypropylene copolymer of sour modification, ethylene-propylene random copolymerization, ethene and acrylic acid derivative, and its thickness parameter is 5um-10um.The effect of polyolefin film A is for bonding to strengthen its electrolyte resistance corrosive power with aluminium foil.
Fluorine film B is for strengthening the obstruct of heat-sealing film, the corrosion of resistance to lithium-ion battery electrolytes and ductility.Fluorine film B is selected from for the one in the transparent fluorine film in solar energy transparent back panel, and fluorine film B thickness is at 10-20um, and light transmittance is 70-80%.
Heat-sealing polypropylene film C is that its thickness parameter is 20-30um from a kind of coextrusion casting unstretching film made in the acrylic resin of sour modification, vinyl-acrylate copolymer, unmodified acrylic resin.The Main Function of heat-sealing polypropylene film C is for sealing and strengthening electrolyte resistance corrosive power.
The gross thickness of heat-sealing film H controls at 40-50 um.
Heat-sealing film H can be made by following method:
1) choose from the copolymer of the polypropylene copolymer of sour modification, ethylene-propylene random copolymerization, ethene and acrylic acid derivative and a kind ofly make polyolefin film A as raw material; Choose from the acrylic resin of sour modification, vinyl-acrylate copolymer, unmodified acrylic resin and a kind ofly make heat-sealing polypropylene film C as raw material; From a kind of as fluorine film B for choosing in the transparent fluorine film solar energy transparent back panel.
2) by polyolefin film A and heat-sealing polypropylene film C simultaneously curtain coating on fluorine film B two sides, then obtained the product-heat-sealing film H of trilamellar membrane by three curtain coating coextrusion co-extrusions.
The lithium ion battery aluminum plastic film of what the utility model provided have fluorine rete heat-sealing film and the performance comparison of conventional lithium ion battery aluminum plastic film as shown in the table:
| Conventional aluminum plastic film | The utility model aluminum plastic film | |
| Corrosion resistance (85 DEG C, heat-sealing electrolyte) | 7 days not stratified with aluminium foil | 15 days not stratified with aluminium foil |
| Barrier (60 DEG C, 90%RH, 1500h) | ＜0.1g/m 2.24h | ＜0.05 g/m 2.24h |
| The ductility of heat-sealing film | About 300% | 300—500% |
Claims (8)
1. one kind has the lithium ion battery aluminum plastic film of fluorine rete heat-sealing film, comprise nylon layer, the first adhesive layer, aluminium foil, the second adhesive layer and heat-sealing film that ecto-entad order is stacked, it is characterized in that, described heat-sealing film is laminated by polyolefin film, fluorine film and heat-sealing polypropylene film ecto-entad order.
2. have the lithium ion battery aluminum plastic film of fluorine rete heat-sealing film as claimed in claim 1, it is characterized in that, described polyolefin film thickness is 5um-10um.
3. have the lithium ion battery aluminum plastic film of fluorine rete heat-sealing film as claimed in claim 1 or 2, it is characterized in that, described fluorine film thickness is 15-20um, and light transmittance is 70-80%.
4. have the lithium ion battery aluminum plastic film of fluorine rete heat-sealing film as claimed in claim 1 or 2, it is characterized in that, described heat-sealing polypropylene film thickness is 20-30um.
5. have the lithium ion battery aluminum plastic film of fluorine rete heat-sealing film as claimed in claim 3, it is characterized in that, described heat-sealing polypropylene film thickness is 20-30um.
6. as described in claim 1,2 or 5, have the lithium ion battery aluminum plastic film of fluorine rete heat-sealing film, it is characterized in that, described heat-sealing film gross thickness is 40-50um.
7. have the lithium ion battery aluminum plastic film of fluorine rete heat-sealing film as claimed in claim 3, it is characterized in that, described heat-sealing film gross thickness is 40-50um.
8. have the lithium ion battery aluminum plastic film of fluorine rete heat-sealing film as claimed in claim 4, it is characterized in that, described heat-sealing film gross thickness is 40-50um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420711228.7U CN204179123U (en) | 2014-11-25 | 2014-11-25 | There is the lithium ion battery aluminum plastic film of fluorine rete heat-sealing film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420711228.7U CN204179123U (en) | 2014-11-25 | 2014-11-25 | There is the lithium ion battery aluminum plastic film of fluorine rete heat-sealing film |
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| Publication Number | Publication Date |
|---|---|
| CN204179123U true CN204179123U (en) | 2015-02-25 |
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| CN201420711228.7U Active CN204179123U (en) | 2014-11-25 | 2014-11-25 | There is the lithium ion battery aluminum plastic film of fluorine rete heat-sealing film |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070854A (en) * | 2015-07-13 | 2015-11-18 | 苏州锂盾储能材料技术有限公司 | Composite packaging high-barrier aluminium plastic film of lithium battery and preparation method |
| CN106159015A (en) * | 2016-07-25 | 2016-11-23 | 无锡中洁能源技术有限公司 | A kind of solar cell backboard with high flame retardant |
| CN109318550A (en) * | 2018-09-05 | 2019-02-12 | 上海恩捷新材料科技有限公司 | A kind of plastic-aluminum membrane structure |
| CN110744904A (en) * | 2019-10-11 | 2020-02-04 | 成都新柯力化工科技有限公司 | Elastic aluminum plastic film for lithium battery flexible package and preparation method |
| CN112389033A (en) * | 2020-10-10 | 2021-02-23 | 厦门大学 | Color aluminum plastic film for battery packaging and preparation method thereof |
-
2014
- 2014-11-25 CN CN201420711228.7U patent/CN204179123U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070854A (en) * | 2015-07-13 | 2015-11-18 | 苏州锂盾储能材料技术有限公司 | Composite packaging high-barrier aluminium plastic film of lithium battery and preparation method |
| CN106159015A (en) * | 2016-07-25 | 2016-11-23 | 无锡中洁能源技术有限公司 | A kind of solar cell backboard with high flame retardant |
| CN109318550A (en) * | 2018-09-05 | 2019-02-12 | 上海恩捷新材料科技有限公司 | A kind of plastic-aluminum membrane structure |
| CN110744904A (en) * | 2019-10-11 | 2020-02-04 | 成都新柯力化工科技有限公司 | Elastic aluminum plastic film for lithium battery flexible package and preparation method |
| CN112389033A (en) * | 2020-10-10 | 2021-02-23 | 厦门大学 | Color aluminum plastic film for battery packaging and preparation method thereof |
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