CN104626696B - Battery shielding film and preparation method thereof - Google Patents
Battery shielding film and preparation method thereof Download PDFInfo
- Publication number
- CN104626696B CN104626696B CN201510033041.5A CN201510033041A CN104626696B CN 104626696 B CN104626696 B CN 104626696B CN 201510033041 A CN201510033041 A CN 201510033041A CN 104626696 B CN104626696 B CN 104626696B
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- Prior art keywords
- film
- pet
- battery
- pet longitudinal
- conductive silver
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/09—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0008—Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B2038/0052—Other operations not otherwise provided for
- B32B2038/0092—Metallizing
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Thermal Sciences (AREA)
- Laminated Bodies (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention relates to the field of a battery label film and particularly relates to a battery shielding film. The battery shielding film comprises a PET longitudinal stretching film and a PET longitudinal polar film, wherein an aluminum-plated layer is arranged on one side of the PET longitudinal stretching film; a conductive silver slurry layer is arranged on one side of the PET longitudinal polar film; an inflaming retarding coating is arranged on the other side of the conductive silver slurry layer; and the other side of the PET longitudinal stretching film is in fit with the other side of the PET longitudinal polar film to form a whole body. With the adoption of the technical scheme, the aluminum-plated layer is arranged on one side of the PET longitudinal stretching film; when the battery shielding film covers a battery, the electromagnetic interference to charging and discharging of the battery are shielded; the inflaming retarding coating combined with the conductive silver slurry layer is arranged on one side of the PET longitudinal polar film so that the toughness is relatively great and the inflaming retarding effect is relatively great when the battery shielding film covers the battery; expansion, explosion, burning explosion problems of the battery are prevented; and the safety is improved.
Description
Technical field
The present invention relates to battery label film field, more particularly to a kind of battery screened film and preparation method thereof.
Background technology
Polyester resin (Poly ethylene terephthalate, PET), it is the contracting of terephthalic acid (TPA) and ethylene glycol
Polymers, is referred to as thermoplastic polyester, or saturated polyester together with PBT.PET is mainly used in fiber, and film and engineering are used on a small quantity
Plastics.PET is mainly used in textile industry.PET film is mainly used in insulating material, such as capacitor, cable insulation, print
Brush wiring base material, electrode slot insulation etc..Another application field of PET film is chip base and base band, such as cinefilm, X
Mating plate, audio tape, computer tape etc..PET film is also crossed aluminium and is made metallized film using vacuum, such as metallized thread,
Button capacitor film etc..Another purposes of PET is exactly blow-molded article, for the drawn polyester bottle packed.
Battery（Battery）Finger fill electrolyte solution and metal electrode with produce electric current cup, groove or other containers or
The segment space of clad vessel, chemical energy can be changed into the device of electric energy.With positive pole, negative pole point.With entering for science and technology
Step, battery refers to the midget plant that can produce electric energy.Energy source is utilized the battery as, can be obtained with burning voltage, surely
Determine electric current, long-time stable is powered, by the electric current of ectocine very little, and battery structure is simple, easy to carry, discharge and recharge behaviour
Make simple and easy to do, do not influenceed by outside climatic and temperature, stable and reliable for performance, the various aspects hair in modern society's life
Great role is waved.
Lithium battery is that a class is negative material, the battery using non-aqueous electrolytic solution by lithium metal or lithium alloy.Earliest
The lithium battery of appearance comes from inventor Edison of greatness, uses following reaction：The Li+MnO2=LiMnO2 reactions are oxidation
Reduction reaction, electric discharge.Because the chemical characteristic of lithium metal is very active so that the processing of lithium metal, preserve, use, to environment
It is required that very high.So, lithium battery is not applied for a long time.With the development of science and technology, present lithium battery has become
Main flow, is widely used in portable intelligent wireless device, such as smart mobile phone, portable computer.
But battery is existed as a kind of device of charge and discharge all the time, during electric power circulates, can produce one
Quantitative electromagnetism, when passive signal R-T unit is applied to, electromagnetism can produce certain interference, influence to passive signal
The tranception-quality of passive signal, while existing battery has certain discharge and recharge number of times and by external temperature and electricity
, there is the potential danger for firing in the influence of situations such as pressure.
The content of the invention
Embodiment of the present invention goal of the invention is to provide a kind of battery screened film and preparation method thereof, using the technical scheme
The electromagnetic activity of battery can be shielded to outside interference, while can realize tying up to battery when battery is fired
Tie up and fire retardation, improve the security of battery applications.
In order to realize foregoing invention purpose, complete skill scheme of the invention is：
A kind of battery screened film, including PET longitudinal stretchings film and PET longitudinal directions Polar Crystal Slab；In the PET longitudinal stretchings film
Simultaneously it is provided with aluminium coated；In PET longitudinal directions, the one side of Polar Crystal Slab is provided with conductive silver slurry layer, in the conductive silver slurry layer
Another side is provided with flame retardant coating；The PET longitudinal stretchings film another side fits into one with PET longitudinal directions Polar Crystal Slab another side
Body.
Preferably, the average grain diameter of described conductive silver slurry layer is 1 ~ 3 micron.
A kind of preparation method of above-mentioned battery screened film, step includes：
1）, provide PET longitudinal stretchings film and PET longitudinal direction Polar Crystal Slab；
2）, in the one side of PET longitudinal stretching films carry out ceramic sided corona treatment, magnetron sputtering carried out afterwards aluminize to be formed to aluminize
Layer；
3）, PET longitudinal direction Polar Crystal Slab one side carry out ceramic sided corona treatment, conductive silver paste is coated afterwards, formation is led
Electric silver slurry layer；
4）, the another side of the another side of PET longitudinal stretching films and the PET longitudinal direction Polar Crystal Slab carried out into dry adhered, shape
It is integral；
5）, in the another side of the conductive silver slurry layer carry out ceramic sided corona treatment, be coated to form flame retardant coating.
Therefore, using the present embodiment technical scheme, aluminium coated, this implementation are set in the one side of PET longitudinal stretching films
When battery is wrapped up, the electromagnetic interference that electricity is stored to battery carries out shielding action to example；And PET longitudinal directions Polar Crystal Slab one side sets conductive
Silver slurry layer combination flame retardant coating so that the present embodiment is when battery is wrapped up, there is provided larger toughness and fire retardation, prevents
The bulging of battery, the problems such as explode, fire, improve security.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
Other accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 is the use state figure that the embodiment of the present invention 1 is provided；
Fig. 2 is the cross-sectional view of the embodiment of the present invention 1.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment 1：
As shown in Fig. 2 a kind of battery screened film is present embodiments provided, including PET longitudinal stretchings film 110 and PET longitudinal directions
Polar Crystal Slab 120；The one side of PET longitudinal stretchings film 110 is provided with aluminium coated 111；In PET longitudinal directions, the one side of Polar Crystal Slab 120 sets
Conductive silver slurry layer 121 is equipped with, the another side of conductive silver slurry layer 121 is provided with flame retardant coating 122；PET longitudinal stretchings film 110
Another side is fitted integrally with the PET longitudinal directions another side of Polar Crystal Slab 120.
Can be, but not limited to, the average grain diameter of conductive silver slurry layer 121 is 1 ~ 3 micron.And the purity containing aluminium of aluminium coated
It is 0.9999.The solid amount of flame retardant coating is 2.8 grams every square metre.
The present embodiment also discloses the preparation method of above-mentioned battery screened film, and step includes：
1）, provide PET longitudinal stretchings film and PET longitudinal direction Polar Crystal Slab；
2）, in the one side of PET longitudinal stretching films carry out ceramic sided corona treatment, magnetron sputtering carried out afterwards aluminize to be formed to aluminize
Layer；
3）, PET longitudinal direction Polar Crystal Slab one side carry out ceramic sided corona treatment, conductive silver paste is coated afterwards, formation is led
Electric silver slurry layer；
4）, the another side of the another side of PET longitudinal stretching films and the PET longitudinal direction Polar Crystal Slab carried out into dry adhered, shape
It is integral；
5）, in the another side of the conductive silver slurry layer carry out ceramic sided corona treatment, be coated to form flame retardant coating.
Show as shown in figure 1, demonstrating battery screened film 100 disclosed in the present embodiment and being wrapped in the outer surface of battery 200
Meaning.Detected by electromagenetic wave radiation, the present embodiment is notable to the shield effectiveness of battery electromagnetic radiation.
Embodiments described above, does not constitute the restriction to the technical scheme protection domain.It is any in above-mentioned implementation
Modification, equivalent and improvement made within the spirit and principle of mode etc., should be included in the protection model of the technical scheme
Within enclosing.
Claims (3)
1. a kind of battery screened film, it is characterised in that：
Including PET longitudinal stretchings film and PET longitudinal directions Polar Crystal Slab；
The one side of the PET longitudinal stretchings film is provided with aluminium coated；
In PET longitudinal directions, the one side of Polar Crystal Slab is provided with conductive silver slurry layer, is provided with the another side of the conductive silver slurry layer
Flame retardant coating；
The PET longitudinal stretchings film another side is fitted integrally with PET longitudinal directions Polar Crystal Slab another side.
2. a kind of battery screened film according to claim 1, it is characterised in that：
The average grain diameter of described conductive silver slurry layer is 1~3 micron.
3. the preparation method of a kind of battery screened film as described in any one of claim 1 to 2, it is characterised in that：
Step includes：
1), PET longitudinal stretchings film and PET longitudinal directions Polar Crystal Slab are provided；
2), the one side in PET longitudinal stretching films carries out ceramic sided corona treatment, magnetron sputtering is carried out afterwards and aluminizes to form aluminium coated；
3), the one side in PET longitudinal directions Polar Crystal Slab carries out ceramic sided corona treatment, and conductive silver paste is coated afterwards, forms conductive silver
Pulp layer；
4) another side of PET longitudinal stretching films, is carried out into dry adhered with the another side of PET longitudinal directions Polar Crystal Slab, is formed whole
Body；
5), the another side in the conductive silver slurry layer carries out ceramic sided corona treatment, is coated to form flame retardant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510033041.5A CN104626696B (en) | 2015-01-22 | 2015-01-22 | Battery shielding film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510033041.5A CN104626696B (en) | 2015-01-22 | 2015-01-22 | Battery shielding film and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104626696A CN104626696A (en) | 2015-05-20 |
| CN104626696B true CN104626696B (en) | 2017-05-24 |
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ID=53206138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510033041.5A Active CN104626696B (en) | 2015-01-22 | 2015-01-22 | Battery shielding film and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN104626696B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6717057B1 (en) * | 2001-08-09 | 2004-04-06 | Flexcon Company, Inc. | Conductive composite formed of a thermoset material |
| CN201284064Y (en) * | 2008-09-25 | 2009-08-05 | 深圳市新纶科技股份有限公司 | Electromagnetic screen packing film |
| CN204472016U (en) * | 2015-01-22 | 2015-07-15 | 惠州市浩明科技股份有限公司 | A kind of battery screened film |
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2015
- 2015-01-22 CN CN201510033041.5A patent/CN104626696B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104626696A (en) | 2015-05-20 |
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| CB02 | Change of applicant information |
Address after: 516259 Huiyang Guangdong District, Pingtan City Industrial Zone Applicant after: HUIZHOU HAOMING TECHNOLOGY STOCK Co.,Ltd. Address before: 516259 Huiyang Guangdong District, Pingtan City Industrial Zone Applicant before: HUIZHOU HAOMING TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Battery shielding film and preparation method thereof Effective date of registration: 20171108 Granted publication date: 20170524 Pledgee: Pudong Shanghai Development Bank Limited by Share Ltd. Huizhou branch Pledgor: HUIZHOU HAOMING TECHNOLOGY STOCK Co.,Ltd. Registration number: 2017440000123 |
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Effective date of registration: 20230516 Granted publication date: 20170524 |
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