CN104626696A - Battery shielding film and preparation method thereof - Google Patents
Battery shielding film and preparation method thereof Download PDFInfo
- Publication number
- CN104626696A CN104626696A CN201510033041.5A CN201510033041A CN104626696A CN 104626696 A CN104626696 A CN 104626696A CN 201510033041 A CN201510033041 A CN 201510033041A CN 104626696 A CN104626696 A CN 104626696A
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- Prior art keywords
- pet
- film
- battery
- conductive silver
- silver slurry
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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
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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
- 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
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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
- 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
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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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0008—Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation
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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
- 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, particularly a kind of battery screened film and preparation method thereof.
Background technology
Polyester resin (Poly ethylene terephthalate, PET), it is the condensation polymer of terephthalic acid (TPA) and ethylene glycol, is referred to as thermoplastic polyester together with PBT, or saturated polyester.PET is mainly used in fiber, on a small quantity for film and engineering plastics.PET is mainly used in textile industry.PET film is mainly used in insulating material, as capacitor, cable insulation, printed circuit board wiring base material, and slot electrode insulation etc.The Another application field of PET film is sheet base and base band, as cinefilm, X-ray, audio tape, computer tape etc.PET film is also applied vacuum and is crossed aluminium and make metallized film, as metallized thread, button capacitor film etc.Another purposes of PET is exactly blow-molded article, for the drawn polyester bottle packed.
Battery (Battery) refers to fill electrolyte solution and metal electrode with the segment space of the cup of generation current, groove or other containers or clad vessel, chemical energy can be become the device of electric energy.Have positive pole, negative pole point.Along with the progress of science and technology, battery general reference can produce the midget plant of electric energy.Utilize battery as energy source, can obtain that there is burning voltage, stabling current, long-time stable is powered, by the electric current that ectocine is very little, and battery structure is simple, easy to carry, discharge and recharge is easy to operation, is not subject to the impact of outside climatic and temperature, stable and reliable for performance, the various aspects in modern society's life play great role.
Lithium battery is a class is negative material, the battery using non-aqueous electrolytic solution by lithium metal or lithium alloy.The lithium battery occurred the earliest comes from great inventor Edison, uses following reaction: this reaction of Li+MnO2=LiMnO2 is redox reaction, electric discharge.Because the chemical characteristic of lithium metal is very active, make the processing of lithium metal, preservation, use, very high to environmental requirement.So lithium battery is not applied for a long time.Along with the development of science and technology, present lithium battery becomes main flow, is widely used in portable intelligent wireless device, as smart mobile phone, portable computer etc.
But battery is exist as the device of a kind of place, electric discharge all the time, in the process of electric power circulation, a certain amount of electromagnetism can be produced, in time being applied to passive signal R-T unit, electromagnetism can produce certain interference to passive signal, have impact on the tranception-quality of passive signal, existing battery has certain discharge and recharge number of times and receives the impact of the situations such as external temperature and voltage simultaneously, there is the potential danger fired.
Summary 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, apply the interference of electromagnetic activity to outside that this technical scheme can shield battery, simultaneously can when battery fires, bondage and fire retardation are realized to battery, improves the security of battery applications.
In order to realize foregoing invention object, complete skill scheme of the present invention is:
A kind of battery screened film, comprises PET longitudinal stretching film and the longitudinal Polar Crystal Slab of PET; The one side of described PET longitudinal stretching film is provided with aluminium coated; The one side of the longitudinal Polar Crystal Slab of described PET is provided with conductive silver slurry layer, the another side of described conductive silver slurry layer is provided with flame retardant coating; Described PET longitudinal stretching film another side and the longitudinal Polar Crystal Slab another side of described PET are fitted integral.
Preferably, the average grain diameter of described conductive silver slurry layer is 1 ~ 3 micron.
The preparation method of above-mentioned a kind of battery screened film, step comprises:
1), PET longitudinal stretching film and the longitudinal Polar Crystal Slab of PET are provided;
2), in the one side of PET longitudinal stretching film carry out ceramic sided corona treatment, carry out magnetron sputtering afterwards and to aluminize formation aluminium coated;
3), in the one side of the longitudinal Polar Crystal Slab of PET carry out ceramic sided corona treatment, carry out applying conductive silver slurry afterwards, form conductive silver slurry layer;
4), by the another side of the another side of PET longitudinal stretching film and the longitudinal Polar Crystal Slab of described PET carry out dry adhered, formed overall;
5), at the another side of described conductive silver slurry layer carry out ceramic sided corona treatment, carry out coating and form flame retardant coating.
Therefore application the present embodiment technical scheme, arranges aluminium coated in the one side of PET longitudinal stretching film, and the present embodiment is when wrapping up battery, and electromagnetic interference battery being stored to electricity carries out shielding action; And the longitudinal Polar Crystal Slab one side of PET arranges conductive silver slurry layer in conjunction with flame retardant coating, making the present embodiment when wrapping up battery, providing larger toughness and fire retardation, problems such as preventing the bulging of battery, explode, fire, improve security.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The using state figure that Fig. 1 provides for the embodiment of the present invention 1;
Fig. 2 is the cross-sectional view of the embodiment of the present invention 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
embodiment 1:
As shown in Figure 2, present embodiments provide a kind of battery screened film, comprise PET longitudinal stretching film 110 and the longitudinal Polar Crystal Slab 120 of PET; The one side of PET longitudinal stretching film 110 is provided with aluminium coated 111; The one side of the longitudinal Polar Crystal Slab 120 of PET is provided with conductive silver slurry layer 121, the another side of conductive silver slurry layer 121 is provided with flame retardant coating 122; PET longitudinal stretching film 110 another side and longitudinal Polar Crystal Slab 120 another side of PET are fitted integral.
Can be, but not limited to, the average grain diameter of conductive silver slurry layer 121 is 1 ~ 3 micron.And aluminium coated is 0.9999 containing aluminium purity.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 comprises:
1), PET longitudinal stretching film and the longitudinal Polar Crystal Slab of PET are provided;
2), in the one side of PET longitudinal stretching film carry out ceramic sided corona treatment, carry out magnetron sputtering afterwards and to aluminize formation aluminium coated;
3), in the one side of the longitudinal Polar Crystal Slab of PET carry out ceramic sided corona treatment, carry out applying conductive silver slurry afterwards, form conductive silver slurry layer;
4), by the another side of the another side of PET longitudinal stretching film and the longitudinal Polar Crystal Slab of described PET carry out dry adhered, formed overall;
5), at the another side of described conductive silver slurry layer carry out ceramic sided corona treatment, carry out coating and form flame retardant coating.
As shown in Figure 2, demonstrate battery screened film 100 disclosed in the present embodiment and be wrapped in the signal of the outer surface of battery 200.Detect through electromagenetic wave radiation, the shield effectiveness of the present embodiment to battery electromagnetic radiation is remarkable.
Above-described embodiment, does not form the restriction to this technical scheme protection domain.The amendment done within any spirit at above-mentioned embodiment and principle, equivalently to replace and improvement etc., within the protection domain that all should be included in this technical scheme.
Claims (3)
1. a battery screened film, is characterized in that:
Comprise PET longitudinal stretching film and the longitudinal Polar Crystal Slab of PET;
The one side of described PET longitudinal stretching film is provided with aluminium coated;
The one side of the longitudinal Polar Crystal Slab of described PET is provided with conductive silver slurry layer, the another side of described conductive silver slurry layer is provided with flame retardant coating;
Described PET longitudinal stretching film another side and the longitudinal Polar Crystal Slab another side of described PET are fitted integral.
2. a kind of battery screened film according to claim 1, is characterized in that:
The average grain diameter of described conductive silver slurry layer is 1 ~ 3 micron.
3. a preparation method for the battery screened film as described in claim 1 to 2, is characterized in that:
Step comprises:
1), PET longitudinal stretching film and the longitudinal Polar Crystal Slab of PET are provided;
2), in the one side of PET longitudinal stretching film carry out ceramic sided corona treatment, carry out magnetron sputtering afterwards and to aluminize formation aluminium coated;
3), in the one side of the longitudinal Polar Crystal Slab of PET carry out ceramic sided corona treatment, carry out applying conductive silver slurry afterwards, form conductive silver slurry layer;
4), by the another side of the another side of PET longitudinal stretching film and the longitudinal Polar Crystal Slab of described PET carry out dry adhered, formed overall;
5), at the another side of described conductive silver slurry layer carry out ceramic sided corona treatment, carry out coating and 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 true CN104626696A (en) | 2015-05-20 |
| CN104626696B CN104626696B (en) | 2017-05-24 |
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| 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) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003013848A1 (en) * | 2001-08-09 | 2003-02-20 | Flexcon Company, Inc. | Conductive composite 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 |
-
2015
- 2015-01-22 CN CN201510033041.5A patent/CN104626696B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003013848A1 (en) * | 2001-08-09 | 2003-02-20 | Flexcon Company, Inc. | Conductive composite 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 |
Non-Patent Citations (4)
| Title |
|---|
| 伍秋涛: "《实用软包装复合加工技术》", 31 March 2008, 化学工业出版社 * |
| 杨玉昆、吕凤婷: "《压敏胶制品技术手册》", 30 September 2004, 化学工业出版社 * |
| 蒋斌、李欣欣、韩哲文: "薄膜开关用低温固化导电银浆的研究与应用", 《涂料工业》 * |
| 钱俊、王武林、余喜等: "《特种包装技术》", 31 January 2004, 化学工业出版社 * |
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| Publication number | Publication date |
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| CN104626696B (en) | 2017-05-24 |
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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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| 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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