CN106159127A - Stainless steel foil and TPO composite lithium ion battery flexible packaging film and preparation thereof - Google Patents
Stainless steel foil and TPO composite lithium ion battery flexible packaging film and preparation thereof Download PDFInfo
- Publication number
- CN106159127A CN106159127A CN201610735725.4A CN201610735725A CN106159127A CN 106159127 A CN106159127 A CN 106159127A CN 201610735725 A CN201610735725 A CN 201610735725A CN 106159127 A CN106159127 A CN 106159127A
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- steel foil
- lithium ion
- ion battery
- flexible packaging
- 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.)
- Pending
Links
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 59
- 239000011888 foil Substances 0.000 title claims abstract description 57
- 239000010935 stainless steel Substances 0.000 title claims abstract description 57
- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 239000012785 packaging film Substances 0.000 title claims abstract description 28
- 229920006280 packaging film Polymers 0.000 title claims abstract description 28
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000009459 flexible packaging Methods 0.000 title claims abstract description 25
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 5
- 229920002397 thermoplastic olefin Polymers 0.000 claims abstract description 44
- 230000004888 barrier function Effects 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 239000000853 adhesive Substances 0.000 claims abstract description 13
- 230000001070 adhesive effect Effects 0.000 claims abstract description 13
- 239000010410 layer Substances 0.000 claims description 38
- -1 polyethylene Polymers 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000007756 gravure coating Methods 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- GTACSIONMHMRPD-UHFFFAOYSA-N 2-[4-[2-(benzenesulfonamido)ethylsulfanyl]-2,6-difluorophenoxy]acetamide Chemical compound C1=C(F)C(OCC(=O)N)=C(F)C=C1SCCNS(=O)(=O)C1=CC=CC=C1 GTACSIONMHMRPD-UHFFFAOYSA-N 0.000 claims description 2
- 101710130081 Aspergillopepsin-1 Proteins 0.000 claims description 2
- 102100031007 Cytosolic non-specific dipeptidase Human genes 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000012790 adhesive layer Substances 0.000 claims description 2
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims description 2
- 239000012948 isocyanate Substances 0.000 claims description 2
- 229910001105 martensitic stainless steel Inorganic materials 0.000 claims description 2
- 229920001083 polybutene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- 229920003245 polyoctenamer Polymers 0.000 claims 1
- 229920001169 thermoplastic Polymers 0.000 claims 1
- 239000004416 thermosoftening plastic Substances 0.000 claims 1
- 239000003792 electrolyte Substances 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 15
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 239000005030 aluminium foil Substances 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000005025 cast polypropylene Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000010409 thin film Substances 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
-
- 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)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention provides a kind of stainless steel foil and TPO composite lithium ion battery flexible packaging film and preparation thereof.Described stainless steel foil and TPO composite lithium ion battery flexible packaging film, it is characterized in that, including stainless steel foil barrier layer and thermoplastic polyolefin film's hot sealing layer, it is provided with adhesive phase between described stainless steel foil barrier layer and thermoplastic polyolefin film's hot sealing layer, is bonded together by adhesive phase between stainless steel foil barrier layer and thermoplastic polyolefin film's hot sealing layer.Present configuration is simple, the advantage with electrolyte resistance corrosion, improves safety in utilization.
Description
Technical field
The present invention relates to a kind of composite soft packaging film for lithium battery, particularly a kind of stainless steel foil and thermoplastic polyolefin
Hydrocarbon composite lithium ion battery flexible packaging film.
Background technology
Lithium battery flexible packaging film mainly uses aluminium foil to produce with plastic composition mode at present, and aluminium foil itself is weak to electrolysis
Corrosion, is corroded by electrolyte cause flexible packaging film to divide so the main failure mode of battery core is the aluminium foil of lithium battery Soft Roll film
Layer.And owing to aluminium foil tensile strength is low, need surface recombination polyamide film outside to improve the tensile strength of packaging film,
Have to be larger than 20 microns, so the composite soft packaging film thickness of existing lithium battery cannot enter to meet forming property aluminum foil thickness
One step reduces.It is difficult to meet the miniaturization of the electronic equipment such as PC, mobile phone, lightening demand for development.
Summary of the invention
It is an object of the invention to provide a kind of stainless steel foil and TPO composite lithium ion battery flexible packaging film.
In order to achieve the above object, the invention provides a kind of stainless steel foil and TPO composite lithium ion battery Soft Roll
Dress film, it is characterised in that include stainless steel foil barrier layer and thermoplastic polyolefin film's hot sealing layer, described stainless steel foil resistance
Adhesive phase, stainless steel foil barrier layer and thermoplastic polyolefin film it is provided with between interlayer and thermoplastic polyolefin film's hot sealing layer
It is bonded together by adhesive phase between hot sealing layer.
Preferably, described stainless steel foil barrier layer uses martensitic stain less steel, ferritic stainless steel or austenite stainless
Steel, more preferably austenitic stainless steel.
Preferably, in described stainless steel foil barrier layer, Cr content is more than more than or equal to 10wt%, more preferably Cr composition
In 18wt%.
Preferably, described stainless steel foil barrier layer Ni content is more than or equal to more than or equal to 3wt%, preferably Cr composition
8wt%.
Preferably, the thickness of described stainless steel foil barrier layer is 5 microns to 50 microns, and more preferably 10 microns micro-to 20
Rice.
Preferably, the material of described thermoplastic polyolefin film's hot sealing layer is polyethylene, polypropylene, polybutene and gathers pungent
One or more in alkene, optimization polypropylene.
Preferably, the thickness of described thermoplastic polyolefin film's hot sealing layer is 10 microns to 150 microns, more preferably 20
Micron is to 80 microns.
Preferably, the material of described adhesive phase is PEPA and many functional group isocyanates.
Present invention also offers the preparation side of above-mentioned stainless steel foil and TPO composite lithium ion battery flexible packaging film
Method, it is characterised in that including: stainless steel foil is carried out oil removal treatment, obtains stainless steel foil barrier layer；On combination machine based on dry operation,
Using plate gravure coating method on the surface of stainless steel foil barrier layer, coating adhesive layer, after drying, with thermoplastic polyolefin film
Hot sealing layer is combined with each other, solidification, obtains stainless steel foil and TPO composite lithium ion battery flexible packaging film.
Compared with prior art, the invention has the beneficial effects as follows:
Present configuration is simple, the advantage with electrolyte resistance corrosion, improves safety in utilization.
Accompanying drawing explanation
Fig. 1 is stainless steel foil and TPO composite lithium ion battery flexible packaging film structural representation.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further.Should be understood that these embodiments are merely to illustrate the present invention
Rather than restriction the scope of the present invention.In addition, it is to be understood that after having read the content that the present invention lectures, people in the art
The present invention can be made various changes or modifications by member, and these equivalent form of values fall within the application appended claims equally and limited
Scope.
Embodiment 1
As it is shown in figure 1, a kind of stainless steel foil and TPO composite lithium ion battery flexible packaging film, hinder including stainless steel foil
Interlayer 1 and thermoplastic polyolefin film's hot sealing layer 3, described stainless steel foil barrier layer 1 seals with thermoplastic polyolefin film
It is provided with adhesive phase 2 between layer 3, between stainless steel foil barrier layer 1 and thermoplastic polyolefin film's hot sealing layer 3, passes through adhesive phase
2 are bonded together.
Stainless steel foil barrier layer 1 selects Shanghai Star rustless steel to have the alloy number of company to be 06Cr19Ni10 rustless steel, thick
Degree is 20 microns.Adhesive phase 2 selects the YH3166/YH3166B two component polyurethane of Beijing Gaomeng Chemical Industry Co., Ltd to bond
Agent, weight proportion is 10: 1.75, and working concentration is 25wt%, and coating weight is 3 grams every square metre.Thermoplastic polyolefin film 3 selects
With the cast polypropylene film of Wuxi Huan Ya packing Co., Ltd., thickness is 25 microns.
Described stainless steel foil with the manufacture method of TPO composite lithium ion battery flexible packaging film is:
(1) use conventional online corona mode to carry out oil removal treatment 20 microns of thick stainless steel foils, obtain rustless steel
Paper tinsel barrier layer 1；
(2) on combination machine based on dry operation, use plate gravure coating method on the surface of stainless steel foil barrier layer 1, be coated with 3 grams and often put down
The adhesive phase 2 of side's rice, through 90 degrees Celsius of oven for drying 10 seconds, uses 80 degrees Celsius of composite rolls by itself and 25 microns of thick heat
Plasticity polyolefin film hot sealing layer 3 is combined with each other.
(3) thin film after being combined solidifies 72 hours in the environment of 50 DEG C, obtains stainless steel foil and TPO
Composite lithium ion battery flexible packaging film.
The stainless steel foil of gained and TPO composite lithium ion battery flexible packaging film are immersed in 1mol/L at 85 DEG C
In LiPF6 electrolyte (solvent be volume ratio be dimethyl carbonate, ethyl carbonate and the diethyl carbonate of 1: 1: 1), soak 30 days
Stainless steel foil as described in 180 degree of peeling strength test methods of GB/T2790-1995 adhesive measure and TPO afterwards
Between peel strength, result shows more than 5N/15mm.Range estimation stainless steel foil and TPO composite lithium ion battery flexible packaging film
Stainless steel foil and TPO between be displayed without interlaminar delamination with or without interlaminar delamination, result.
Claims (9)
1. a stainless steel foil and TPO composite lithium ion battery flexible packaging film, it is characterised in that include that stainless steel foil hinders
Interlayer (1) and thermoplastic polyolefin film's hot sealing layer (3), described stainless steel foil barrier layer (1) is thin with TPO
Be provided with adhesive phase (2) between film hot sealing layer (3), stainless steel foil barrier layer (1) and thermoplastic polyolefin film's hot sealing layer (3) it
Between be bonded together by adhesive phase (2).
2. stainless steel foil as claimed in claim 1 and TPO composite lithium ion battery flexible packaging film, it is characterised in that institute
The stainless steel foil barrier layer (1) stated uses martensitic stain less steel, ferritic stainless steel or austenitic stainless steel.
3. stainless steel foil as claimed in claim 1 and TPO composite lithium ion battery flexible packaging film, it is characterised in that institute
In the stainless steel foil barrier layer (1) stated, Cr content is more than or equal to 10wt%.
4. stainless steel foil as claimed in claim 1 and TPO composite lithium ion battery flexible packaging film, it is characterised in that institute
Stainless steel foil barrier layer (1) the Ni content stated is more than or equal to 3wt%.
5. stainless steel foil as claimed in claim 1 and TPO composite lithium ion battery flexible packaging film, it is characterised in that institute
The thickness of the stainless steel foil barrier layer (1) stated is 5 microns to 50 microns.
6. stainless steel foil as claimed in claim 1 and TPO composite lithium ion battery flexible packaging film, it is characterised in that institute
The material of the thermoplastic polyolefin film's hot sealing layer (3) stated is the one in polyethylene, polypropylene, polybutene and polyoctenamer or many
Kind.
7. stainless steel foil as claimed in claim 1 and TPO composite lithium ion battery flexible packaging film, it is characterised in that institute
The thickness of the thermoplastic polyolefin film's hot sealing layer (3) stated is 10 microns to 150 microns, more preferably 20 microns to 80 microns.
8. stainless steel foil as claimed in claim 1 and TPO composite lithium ion battery flexible packaging film, it is characterised in that institute
The material of the adhesive phase (2) stated is PEPA and many functional group isocyanates.
9. the stainless steel foil according to any one of claim 1-8 and the preparation of TPO composite lithium ion battery flexible packaging film
Method, it is characterised in that including: stainless steel foil is carried out oil removal treatment, obtains stainless steel foil barrier layer (1)；At dry laminating
On machine, using plate gravure coating method on the surface of stainless steel foil barrier layer (1), coating adhesive layer (2), after drying, with thermoplastic
Property polyolefin film hot sealing layer (3) be combined with each other, solidification, obtain stainless steel foil and TPO composite lithium ion battery Soft Roll
Dress film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610735725.4A CN106159127A (en) | 2016-08-26 | 2016-08-26 | Stainless steel foil and TPO composite lithium ion battery flexible packaging film and preparation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610735725.4A CN106159127A (en) | 2016-08-26 | 2016-08-26 | Stainless steel foil and TPO composite lithium ion battery flexible packaging film and preparation thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106159127A true CN106159127A (en) | 2016-11-23 |
Family
ID=57343596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610735725.4A Pending CN106159127A (en) | 2016-08-26 | 2016-08-26 | Stainless steel foil and TPO composite lithium ion battery flexible packaging film and preparation thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106159127A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107968160A (en) * | 2017-11-30 | 2018-04-27 | 乐凯胶片股份有限公司 | A kind of lithium ion battery Soft Roll steel plastic film |
| CN111341948A (en) * | 2020-03-16 | 2020-06-26 | 湖北亿纬动力有限公司 | Metal foil, preparation method thereof, battery cell packaging method and battery module |
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| CN103140559A (en) * | 2011-06-17 | 2013-06-05 | Dic油墨株式会社 | High-solid adhesive composition |
| US20130236773A1 (en) * | 2011-09-01 | 2013-09-12 | Showa Denko Packaging Co., Ltd. | Outer casing material for battery and lithium secondary battery |
| CN104064697A (en) * | 2014-07-16 | 2014-09-24 | 奇瑞汽车股份有限公司 | Composite lithium battery packaging film material and preparation method thereof |
| CN204407371U (en) * | 2014-10-15 | 2015-06-17 | 万向A一二三系统有限公司 | A kind of method for soft package lithium ion power steel plastic film |
| CN105514304A (en) * | 2014-10-15 | 2016-04-20 | 万向A一二三系统有限公司 | Lithium cell steel-plastic membrane package material and preparation method thereof |
| CN105619913A (en) * | 2011-11-07 | 2016-06-01 | 凸版印刷株式会社 | Outer package material for lithium ion batteries |
| CN206259390U (en) * | 2016-08-26 | 2017-06-16 | 上海紫江新材料科技有限公司 | Stainless steel foil and TPO composite lithium ion battery flexible packaging film |
-
2016
- 2016-08-26 CN CN201610735725.4A patent/CN106159127A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103140559A (en) * | 2011-06-17 | 2013-06-05 | Dic油墨株式会社 | High-solid adhesive composition |
| US20130236773A1 (en) * | 2011-09-01 | 2013-09-12 | Showa Denko Packaging Co., Ltd. | Outer casing material for battery and lithium secondary battery |
| CN105619913A (en) * | 2011-11-07 | 2016-06-01 | 凸版印刷株式会社 | Outer package material for lithium ion batteries |
| CN104064697A (en) * | 2014-07-16 | 2014-09-24 | 奇瑞汽车股份有限公司 | Composite lithium battery packaging film material and preparation method thereof |
| CN204407371U (en) * | 2014-10-15 | 2015-06-17 | 万向A一二三系统有限公司 | A kind of method for soft package lithium ion power steel plastic film |
| CN105514304A (en) * | 2014-10-15 | 2016-04-20 | 万向A一二三系统有限公司 | Lithium cell steel-plastic membrane package material and preparation method thereof |
| CN206259390U (en) * | 2016-08-26 | 2017-06-16 | 上海紫江新材料科技有限公司 | Stainless steel foil and TPO composite lithium ion battery flexible packaging film |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107968160A (en) * | 2017-11-30 | 2018-04-27 | 乐凯胶片股份有限公司 | A kind of lithium ion battery Soft Roll steel plastic film |
| CN111341948A (en) * | 2020-03-16 | 2020-06-26 | 湖北亿纬动力有限公司 | Metal foil, preparation method thereof, battery cell packaging method and battery module |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161123 |
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| RJ01 | Rejection of invention patent application after publication |