CN209224629U - A kind of solid state lithium battery plastic-aluminum packaging film - Google Patents

A kind of solid state lithium battery plastic-aluminum packaging film Download PDF

Info

Publication number
CN209224629U
CN209224629U CN201822048991.7U CN201822048991U CN209224629U CN 209224629 U CN209224629 U CN 209224629U CN 201822048991 U CN201822048991 U CN 201822048991U CN 209224629 U CN209224629 U CN 209224629U
Authority
CN
China
Prior art keywords
layer
film
film layer
lithium battery
solid state
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
Application number
CN201822048991.7U
Other languages
Chinese (zh)
Inventor
沈均平
高贤
陈涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Zijiang New Materials Polytron Technologies Inc
Original Assignee
Shanghai Zijiang New Materials Polytron Technologies Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Zijiang New Materials Polytron Technologies Inc filed Critical Shanghai Zijiang New Materials Polytron Technologies Inc
Priority to CN201822048991.7U priority Critical patent/CN209224629U/en
Application granted granted Critical
Publication of CN209224629U publication Critical patent/CN209224629U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Sealing Battery Cases Or Jackets (AREA)
  • Laminated Bodies (AREA)

Abstract

It include fluorine plastic film layer, polyvinylidene chloride film layer, aluminize ethylene vinyl alcohol copolymer oriented film layer, aluminium foil layer, polyamide laminate film and polyolefm film layer the utility model discloses a kind of solid state lithium battery plastic-aluminum packaging film;The lower surface of polyamide laminate film is arranged in polyolefm film layer;The lower surface of aluminium foil layer is arranged in polyamide laminate film;The lower surface for ethylene vinyl alcohol copolymer oriented film layer of aluminizing is arranged in aluminium foil layer;The lower surface of polyvinylidene chloride film layer is arranged in ethylene vinyl alcohol copolymer oriented film layer of aluminizing;The lower surface of fluorine plastic film layer is arranged in polyvinylidene chloride film layer.The utility model can satisfy solid state lithium battery in weatherability, ageing-resistant, chemical-resistant, flexible, the requirement of puncture resistance, while adhesive layer selects solvent-free glue or water-based glue, more environmentally friendly.

Description

A kind of solid state lithium battery plastic-aluminum packaging film
Technical field
The utility model relates to lithium battery packaging film field more particularly to a kind of solid state lithium battery plastic-aluminum packaging films.
Background technique
For solid state lithium battery using solid electrolyte in construction, it also acts as diaphragm in addition to conducting lithium ions Role, so in solid state lithium battery, electrolyte, electrolytic salt, diaphragm and bonding agent Kynoar etc. all do not need using.Entirely The advantages of solid state lithium battery be it is highly-safe, various shape can be prepared into, because without inflammable, volatile component, be not present In the dead of night, simultaneously, inorganic material handles large scale preparation easy to accomplish to meet large scale battery to the features such as temperature resistance can be good It needs, film can also be prepared into, be easy to minimize lithium battery, it is foldable, it is wearable, solving conventional lithium ion battery energy Metric density is relatively low and service life partially the two short critical issues while, be expected to thoroughly solve the safety issue of battery, symbol The following large capacity newcooperative medical system is closed in developing direction such as power vehicle, spacecraft, energy storage.With the development of solid state lithium battery, lithium electricity Pond packaging film has also gradually obtained the concern in market, and common lithium battery plastic-aluminum packaging film is mainly made of trilaminate material, including The nylon of outer layer, the aluminium foil of middle layer and the polypropylene film composition of internal layer.
But the structure design of current common lithium battery plastic-aluminum packaging film weatherability, ageing-resistant, chemical-resistant, can Bendability, puncture resistant, environmental protection aspect have been unable to satisfy the development need of solid state lithium battery.
Summary of the invention
The purpose of this utility model is in view of the defects existing in the prior art, to provide a kind of solid state lithium battery with aluminum-plastic packaged Film can satisfy solid state lithium battery in weatherability, ageing-resistant, chemical-resistant, flexible, the requirement of puncture resistance, simultaneously Adhesive layer selects solvent-free glue or water-based glue, more environmentally friendly.
Purpose of the utility model is realized as follows:
A kind of solid state lithium battery plastic-aluminum packaging film of the utility model includes that fluorine plastic film layer, polyvinylidene chloride are thin Film layer, aluminize ethylene vinyl alcohol copolymer oriented film layer, aluminium foil layer, polyamide laminate film and polyolefm film layer;
The lower surface of polyamide laminate film is arranged in polyolefm film layer;The lower surface of aluminium foil layer is arranged in polyamide laminate film; The lower surface for ethylene vinyl alcohol copolymer oriented film layer of aluminizing is arranged in aluminium foil layer;It aluminizes ethylene vinyl alcohol copolymer oriented film The lower surface of polyvinylidene chloride film layer is arranged in layer;The following table of fluorine plastic film layer is arranged in polyvinylidene chloride film layer Face.
Above-mentioned a kind of solid state lithium battery plastic-aluminum packaging film, wherein fluorine plastic film layer and polyvinylidene chloride film Between layer, between polyvinylidene chloride film layer and ethylene vinyl alcohol copolymer oriented film layer of aluminizing, ethylene-vinyl alcohol of aluminizing It is copolymerized between oriented film layer and aluminium foil layer, between aluminium foil layer and polyamide laminate film and polyamide laminate film and polyolefm film layer Between be equipped with adhesive layer.
Above-mentioned a kind of solid state lithium battery plastic-aluminum packaging film, wherein adhesive layer uses solvent-free glue or water-base cement Water.
A kind of above-mentioned solid state lithium battery plastic-aluminum packaging film, wherein fluorine plastic film layer with a thickness of 20-25 μm.
A kind of above-mentioned solid state lithium battery plastic-aluminum packaging film, wherein polyvinylidene chloride film layer with a thickness of 15-20 μm。
A kind of above-mentioned solid state lithium battery plastic-aluminum packaging film, wherein ethylene vinyl alcohol copolymer oriented film layer of aluminizing With a thickness of 15-18 μm.
A kind of above-mentioned solid state lithium battery plastic-aluminum packaging film, wherein aluminium foil layer with a thickness of 35-45 μm.
A kind of above-mentioned solid state lithium battery plastic-aluminum packaging film, wherein polyamide laminate film with a thickness of 10-15 μm.
A kind of above-mentioned solid state lithium battery plastic-aluminum packaging film, wherein polyolefm film layer with a thickness of 40-50 μm.
The utility model has the advantage that
1, fluorine plastic film layer has excellent weatherability, resistance to ag(e)ing and high barrier, improves the ring of the utility model Border durability;
2, polyvinylidene chloride film layer can obstruct steam and oxygen, and ethylene vinyl alcohol copolymer oriented film of aluminizing Layer further promotes oxygen resistance;
3, the thickness of aluminium foil layer ensure that bendable folding endurance;Polyamide laminate film is while with excellent puncture resistance, more The ductility of aluminium foil layer is protected well;
4, polyolefm film layer makes the utility model obtain encapsulation performance high-intensitive under various temperature environments;
5, adhesive layer selects solvent-free glue or water-based glue, more environmentally friendly.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
Fig. 1 shows the structural schematic diagram of the solid state lithium battery plastic-aluminum packaging film of the utility model, the utility model A kind of solid state lithium battery plastic-aluminum packaging film includes fluorine plastic film layer 1, polyvinylidene chloride film layer 2, ethylene-vinyl of aluminizing Alcohol is copolymerized oriented film layer 3, aluminium foil layer 4, polyamide laminate film 5 and polyolefm film layer 6;Polyolefm film layer 6 is arranged in nylon The lower surface of film layer 5;The lower surface of aluminium foil layer 4 is arranged in polyamide laminate film 5;Aluminium foil layer 4 is arranged in ethylene-vinyl alcohol of aluminizing It is copolymerized the lower surface of oriented film layer 3;Ethylene vinyl alcohol copolymer oriented film layer 3 of aluminizing is arranged in polyvinylidene chloride film The lower surface of layer 2;The lower surface of fluorine plastic film layer 1 is arranged in polyvinylidene chloride film layer 2;
Between fluorine plastic film layer 1 and polyvinylidene chloride film layer 2, polyvinylidene chloride film layer 2 and ethylene-of aluminizing Between vinyl alcohol copolymer oriented film layer 3, aluminize between ethylene vinyl alcohol copolymer oriented film layer 3 and aluminium foil layer 4, aluminium foil layer 4 Adhesive layer 7 is equipped between polyamide laminate film 5 and between polyamide laminate film 5 and polyolefm film layer 6;Adhesive layer 7 Using solvent-free glue or water-based glue;
Fluorine plastic film layer 1 with a thickness of 20 μm;Polyvinylidene chloride film layer 2 with a thickness of 15 μm;It aluminizes ethylene-second Enol be copolymerized oriented film layer 3 with a thickness of 15 μm;Aluminium foil layer 4 with a thickness of 35 μm;Polyamide laminate film 5 with a thickness of 15 μm; Polyolefm film layer 6 with a thickness of 40 μm.
By the solid state lithium battery plastic-aluminum packaging film of the utility model and common lithium battery plastic-aluminum packaging film (including outer layer Nylon, the aluminium foil of middle layer and the polypropylene film of internal layer) carry out performance contrast test, performance comparison test selects double 85 to produce Product temperature humidity measurement (temperature: 85 DEG C, humidity: 85RH%), test result is shown in Table 1:
1 performance comparison test result of table
Xanthochromia rate: 10% the following are ο;10%-50% is △;50% the above are ×;
Tensile strength retention rate: 70% the above are ο;50%-70% is △;50% the following are ×.
It can be seen that solid state lithium battery the plastic-aluminum packaging film xanthochromia rate and drawing of the utility model according to the test result of table 1 Currently used lithium battery plastic-aluminum packaging film will be significantly better than by stretching strength retention ratio.
The fluorine plastic film layer of the utility model has excellent weatherability, resistance to ag(e)ing and high barrier, improves this reality With novel environment durability;Polyvinylidene chloride film layer can obstruct steam and oxygen, and ethylene vinyl alcohol copolymer of aluminizing Oriented film layer further promotes oxygen resistance;The thickness of aluminium foil layer ensure that bendable folding endurance;Polyamide laminate film is with excellent Puncture resistance while, preferably protect aluminium foil layer ductility;Polyolefm film layer obtains the utility model various High-intensitive encapsulation performance under temperature environment;Adhesive layer selects solvent-free glue or water-based glue, more environmentally friendly.
Above embodiments are only for illustration of the utility model, rather than limitations of the present invention, related technical field Technical staff can also make various transformation or modification in the case where not departing from the spirit and scope of the utility model, because This all equivalent technical solution also should belong to the scope of the utility model, should be limited by each claim.

Claims (9)

1. a kind of solid state lithium battery plastic-aluminum packaging film, which is characterized in that the solid state lithium battery plastic-aluminum packaging film includes fluorine Plastic film layers, polyvinylidene chloride film layer, aluminize ethylene vinyl alcohol copolymer oriented film layer, aluminium foil layer, polyamide laminate film And polyolefm film layer;
The lower surface of the polyamide laminate film is arranged in the polyolefm film layer;The polyamide laminate film is arranged in the aluminium foil The lower surface of layer;The lower surface of the ethylene vinyl alcohol copolymer oriented film layer of aluminizing is arranged in the aluminium foil layer;It is described to aluminize The lower surface of the polyvinylidene chloride film layer is arranged in ethylene vinyl alcohol copolymer oriented film layer;It is described to gather inclined two chloroethene The lower surface of the fluorine plastic film layer is arranged in alkene film layer.
2. a kind of solid state lithium battery plastic-aluminum packaging film as described in claim 1, which is characterized in that the fluorine plastic film layer Between polyvinylidene chloride film layer, the polyvinylidene chloride film layer and ethylene vinyl alcohol copolymer oriented film of aluminizing Between layer, it is described aluminize between ethylene vinyl alcohol copolymer oriented film layer and aluminium foil layer, the aluminium foil layer and polyamide laminate film it Between and the polyamide laminate film and polyolefm film layer between be equipped with adhesive layer.
3. a kind of solid state lithium battery plastic-aluminum packaging film as claimed in claim 2, which is characterized in that the adhesive layer uses Solvent-free glue or water-based glue.
4. a kind of solid state lithium battery plastic-aluminum packaging film as described in claim 1, which is characterized in that the fluorine plastic film layer With a thickness of 20-25 μm.
5. a kind of solid state lithium battery plastic-aluminum packaging film as described in claim 1, which is characterized in that the polyvinylidene chloride Film layer with a thickness of 15-20 μm.
6. a kind of solid state lithium battery plastic-aluminum packaging film as described in claim 1, which is characterized in that the ethylene-second of aluminizing Enol be copolymerized oriented film layer with a thickness of 15-18 μm.
7. a kind of solid state lithium battery plastic-aluminum packaging film as described in claim 1, which is characterized in that the thickness of the aluminium foil layer It is 35-45 μm.
8. a kind of solid state lithium battery plastic-aluminum packaging film as described in claim 1, which is characterized in that the polyamide laminate film With a thickness of 10-15 μm.
9. a kind of solid state lithium battery plastic-aluminum packaging film as described in claim 1, which is characterized in that the polyolefm film layer With a thickness of 40-50 μm.
CN201822048991.7U 2018-12-06 2018-12-06 A kind of solid state lithium battery plastic-aluminum packaging film Active CN209224629U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822048991.7U CN209224629U (en) 2018-12-06 2018-12-06 A kind of solid state lithium battery plastic-aluminum packaging film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822048991.7U CN209224629U (en) 2018-12-06 2018-12-06 A kind of solid state lithium battery plastic-aluminum packaging film

Publications (1)

Publication Number Publication Date
CN209224629U true CN209224629U (en) 2019-08-09

Family

ID=67506572

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822048991.7U Active CN209224629U (en) 2018-12-06 2018-12-06 A kind of solid state lithium battery plastic-aluminum packaging film

Country Status (1)

Country Link
CN (1) CN209224629U (en)

Similar Documents

Publication Publication Date Title
Chen et al. Realizing an all‐round hydrogel electrolyte toward environmentally adaptive dendrite‐free aqueous Zn–MnO2 batteries
TW393791B (en) Hybrid lithium-ion battery polymer matrix compositions
CN103887452B (en) battery packaging film and preparation method thereof
CN102324557B (en) A kind of flexible packing lithium ion battery
TW201034218A (en) Rear surface protective sheet for solar cell module
CN206460979U (en) The aluminum plastic film of good flame resistance
CN109367146A (en) A kind of extra-weather-proof protecting solar cell film and preparation method thereof
Nguyen et al. Washable and stretchable Zn–MnO2 rechargeable cell
CN104966799B (en) A kind of multi-functional barrier aluminum plastic film of lithium battery composite packaging
Mo et al. Recent progress and perspectives on advanced flexible Zn-based batteries with hydrogel electrolytes
CN102569702A (en) Ion selective membrane used by non-solid-state electrode and preparation method thereof
WO2015013855A1 (en) Electrode plate, shaping method of electrode plate and shaping method of lithium battery core having electrode plate
CN209224629U (en) A kind of solid state lithium battery plastic-aluminum packaging film
JP2009188072A (en) Layered product and rear surface protective sheet for solar cell
CN202888297U (en) Ultra-high molecular-weight polyethylene multi-layer composite diaphragm for high-temperature lithium-ion batteries
CN108493359A (en) A kind of power lithium-ion battery aluminum-plastic composite membrane
CN202174779U (en) Battery shell layer structure
JP2018092879A (en) Two-layer film softened-packaged lithium battery
CN106159009A (en) A kind of flexible package composite membrane and manufacture method thereof
CN104167514A (en) Lithium battery packaging film with high barrier and acid and alkali resistance
CN204885221U (en) Multi -functional separation plastic -aluminum membrane of lithium cell composite packaging
CN103579665A (en) Gel lithium ion battery with high and low temperature balance and fabrication method thereof
JP2008140866A (en) Rear-surface protective sheet for solar cell, and solar cell module
CN207381438U (en) Corrosion resistant copper plastic film
CN207889277U (en) Encapsulating film and lithium ion battery for lithium ion battery

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant