CN206210852U - Mylar films and battery core - Google Patents
Mylar films and battery core Download PDFInfo
- Publication number
- CN206210852U CN206210852U CN201621265769.7U CN201621265769U CN206210852U CN 206210852 U CN206210852 U CN 206210852U CN 201621265769 U CN201621265769 U CN 201621265769U CN 206210852 U CN206210852 U CN 206210852U
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- CN
- China
- Prior art keywords
- battery core
- mylar films
- main body
- adhesive
- film substrate
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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
Abstract
The application is related to cell art, more particularly to a kind of Mylar films, and it includes:Film substrate and glue-line, the film substrate have the coating area and the adhesive-free area in addition to the coating area for setting the glue-line, and the adhesive-free area can form exhaust passage.In the technical scheme, Mylar films can be pasted onto on the surface of battery core main body by the glue-line on coating area, protected with to battery core main body, and adhesive-free area does not have glue-line, therefore, the adhesive-free area can be when Mylar films be pasted onto on the surface of battery core main body, exhaust passage is formed with not having the surface for bonding glue-line in battery core main body, by the exhaust passage gas between Mylar films and battery core main body can discharge, avoid producing bubble between Mylar films and battery core main body, so as to avoid occurring in the situation that indenture is formed by battery core surface after vacuum drying operation, improve the qualification rate of battery core product, and improve the presentation quality of battery core.
Description
Technical field
The application is related to cell art, more particularly to a kind of Mylar films and battery core.
Background technology
At present, the battery core of flexible packing lithium ion battery is being fabricated usually using softness aluminum plastic film as Package casing
During often scratched by exterior object, weigh wounded, or by electrolyte contamination, therefore, it is necessary to the surface of the battery core after closedtop
One layer of Myalr film of patch, protects with to battery core.
In the prior art, Myalr films be utilized in film substrate surface whole gluings mode, then again with battery core
Surface bond completely, but can so cause the gas between Mylar films and battery core main body cannot to discharge generation bubble, and
By after vacuum drying operation, Myalr film shrunks, bubble will be drawn into the table that an elongated indenture is formed in battery core
Face, has had a strong impact on the presentation quality of battery core.
Utility model content
This application provides a kind of Mylar films and battery core, above mentioned problem is can solve the problem that.
The first aspect of the application provides a kind of Mylar films, including:Film substrate and glue-line,
The film substrate has the coating area and the adhesive-free area in addition to the coating area for setting the glue-line, the nothing
Glue area can form exhaust passage.
Preferably, the coating area is multiple, and multiple coating areas are intervally arranged.
Preferably, the film substrate is rectangle base material, and the adhesive-free area is shaped as parallelogram.
Preferably, width of the width of the adhesive-free area less than the coating area.
Preferably, multiple coating areas are intervally arranged along the length direction of the film substrate, the length of the coating area
Width of the degree equal to the film substrate.
Preferably, multiple coating areas are intervally arranged along the width of the film substrate, the length of the coating area
Length of the degree equal to the film substrate.
Preferably, multiple coating areas are oblique relative to the short side of the film substrate is intervally arranged.
Preferably, the angle between each coating area and the short side of the film substrate is 45 °.
Preferably, the interval between each coating area is equal.
The second aspect of the application provides a kind of battery core, including battery core main body and the Mylar described in any of the above-described it is thin
Film, the Mylar films are pasted onto the surface of the battery core main body by the glue-line.
The technical scheme that the embodiment of the present application is provided can reach following beneficial effect:
The Mylar films that the embodiment of the present application is provided, it includes film substrate and glue-line, and there is the film substrate setting to be somebody's turn to do
The coating area of glue-line and the adhesive-free area in addition to coating area, the Mylar films can be pasted onto battery core by the glue-line on coating area
On the surface of main body, protected with to battery core main body, and adhesive-free area does not have glue-line, therefore, the adhesive-free area can be thin in Mylar
Film is pasted onto when on the surface of battery core main body, with battery core main body on do not have bond glue-line surface formed exhaust passage, by this
Exhaust passage can discharge the gas between Mylar films and battery core main body, it is to avoid be produced between Mylar films and battery core main body
Bubble, so as to avoid occurring in the situation that indenture is formed by battery core surface after vacuum drying operation, improves battery core product
Qualification rate, and improve the presentation quality of battery core.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary, this can not be limited
Application.
Brief description of the drawings
The structural representation of the Mylar films that Fig. 1 is provided by the embodiment of the present application;
The structural representation of the film substrate of the Mylar films that Fig. 2 is provided by one embodiment of the application;
The structural representation of the film substrate of the Mylar films that Fig. 3 is provided by another embodiment of the application;
The structural representation of the film substrate of the Mylar films that Fig. 4 is provided by the further embodiment of the application.
Reference:
10- film substrates 10;
101- coating areas 101;
102- adhesive-free areas 102;
20- glue-lines 20.
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the application
Example, and it is used to explain the principle of the application together with specification.
Specific embodiment
In order to be better understood from technical scheme, the embodiment of the present invention is retouched in detail below in conjunction with the accompanying drawings
State.
As shown in Figures 1 to 4, one embodiment of the application provides a kind of Mylar films, what the Mylar films referred to
It is a kind of film of tough polyester family macromolecule thing formation, the Mylar films can be applicable on the surface of battery core main body, with to electricity
Core main body is protected.
Specifically, the Mylar films include film substrate 10 and glue-line 20, and film substrate 10 has the painting for setting glue-line 20
Glue area 101 and the adhesive-free area in addition to coating area 101 102, the Mylar films can be pasted by the glue-line 20 on coating area 101
On the surface of battery core main body, protected with to battery core main body, and adhesive-free area 102 does not have glue-line 20, therefore, the adhesive-free area
102 can when Mylar films are pasted onto on the surface of battery core main body, with battery core main body on do not have bond glue-line 20 surface formed
Exhaust passage, by the exhaust passage gas between Mylar films and battery core main body can discharge, it is to avoid Mylar films with
Bubble is produced between battery core main body, so as to avoid occurring in the situation that indenture is formed by battery core surface after vacuum drying operation,
The qualification rate of battery core product is improve, and improves the presentation quality of battery core.
Preferably, coating area 101 is multiple, and multiple coating area 101 is intervally arranged, and is so glued ensureing Mylar films
While connecing stability, the consumption of glue-line 20, reduces cost are reduced.Due on the film substrate 10 in addition to coating area 101
Position is adhesive-free area 102, therefore, adhesive-free area 102 is also multiple, and multiple adhesive-free areas 102 are also what is be intervally arranged, so can shape
Into multiple exhaust passages, so as to the gas produced between Mylar films and battery core main body can be allow quickly to discharge.
What deserves to be explained is, the adhesive-free area 102 can be formed by way of frictioning, i.e.,:First in film substrate 10
For filling glue-line 20 on the face Nian Jie with battery core main body, then by Frictioning device by the part glue-line 20 on film substrate 10
Strike off, to form adhesive-free area 102.
Preferably, film substrate 10 is rectangle base material, and adhesive-free area 102 is shaped as parallelogram, reduces adhesive-free area
102 difficulty of processing, improves Mylar film production efficiency.
Further, width of the width of adhesive-free area 102 less than coating area 101, it is ensured that the bonding stabilization of Mylar films
Property, so as to the situation for avoiding Mylar films from being come off from the surface of battery core main body occurs, improve the user satisfaction of client.
According to one embodiment of the application, as shown in Fig. 2 length direction of multiple coating areas 101 along film substrate 10
It is intervally arranged, the length of coating area 101 is equal to the width of film substrate 10, can so ensureing Mylar film bond stability
While, increase the quantity of adhesive-free area 102, i.e.,:Increase the quantity of the exhaust passage that adhesive-free area 102 is formed with battery core main body, make
Obtaining the gas produced between Mylar films and battery core main body can quickly discharge.
According to another embodiment of the application, as shown in figure 3, width side of multiple coating areas 101 along film substrate 10
To being intervally arranged, the length of coating area 101 is equal to the length of film substrate 10, is so ensureing Mylar films and battery core main body
While exhaust passage being formed, the bonding stability of Mylar films is substantially increased, so as to avoid Mylar films from electricity
The situation that the surface of core main body comes off occurs, and improves the user satisfaction of client.
According to the further embodiment of the application, as shown in figure 4, multiple coating areas 101 are short relative to film substrate 10
Side is oblique to be intervally arranged, it is preferable that the angle between the short side of each coating area 101 and film substrate 10 is 45 °, can so protect
While demonstrate,proving the bonding stability of Mylar films, the area of adhesive-free area 102 can be increased again, so that Mylar films and battery core
The gas produced between main body can be discharged quickly.
Wherein, in above three embodiment, the interval between each coating area 101 is equal, i.e.,:The width of each adhesive-free area 102
It is equal, it is possible to decrease the difficulty of processing of adhesive-free area 102, so as to improve the production efficiency of Mylar films.
Embodiments herein additionally provides a kind of battery core, including battery core main body (not shown) and any of the above-described implementation
Mylar films described in example, Mylar films are pasted onto the surface of battery core main body by glue-line 20, are protected with to battery core main body
Shield.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations, based on any modification, equivalent substitution and improvements that the application is made
Deng should be included within the protection domain of the application.
Claims (10)
1. a kind of Mylar films, it is characterised in that including:Film substrate and glue-line,
The film substrate has the coating area and the adhesive-free area in addition to the coating area for setting the glue-line, the adhesive-free area
Exhaust passage can be formed.
2. Mylar films according to claim 1, it is characterised in that
The coating area is multiple, and multiple coating areas are intervally arranged.
3. Mylar films according to claim 2, it is characterised in that
The film substrate is rectangle base material, and the adhesive-free area is shaped as parallelogram.
4. Mylar films according to claim 3, it is characterised in that
Width of the width of the adhesive-free area less than the coating area.
5. Mylar films according to claim 3, it is characterised in that
Multiple coating areas are intervally arranged along the length direction of the film substrate, and the length of the coating area is equal to described thin
The width of film base material.
6. Mylar films according to claim 3, it is characterised in that
Multiple coating areas are intervally arranged along the width of the film substrate, and the length of the coating area is equal to described thin
The length of film base material.
7. Mylar films according to claim 3, it is characterised in that
Multiple coating areas are oblique relative to the short side of the film substrate to be intervally arranged.
8. Mylar films according to claim 7, it is characterised in that
Angle between each coating area and the short side of the film substrate is 45 °.
9. Mylar films according to any one of claim 3 to 8, it is characterised in that
Interval between each coating area is equal.
10. a kind of battery core, it is characterised in that thin including battery core main body and Mylar as claimed in any one of claims 1-9 wherein
Film, the Mylar films are pasted onto the surface of the battery core main body by the glue-line.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621265769.7U CN206210852U (en) | 2016-11-24 | 2016-11-24 | Mylar films and battery core |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621265769.7U CN206210852U (en) | 2016-11-24 | 2016-11-24 | Mylar films and battery core |
Publications (1)
Publication Number | Publication Date |
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CN206210852U true CN206210852U (en) | 2017-05-31 |
Family
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CN201621265769.7U Active CN206210852U (en) | 2016-11-24 | 2016-11-24 | Mylar films and battery core |
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CN (1) | CN206210852U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113477486A (en) * | 2021-07-14 | 2021-10-08 | 福建时代星云科技有限公司 | Gluing method with degumming function |
CN113491178A (en) * | 2019-09-17 | 2021-10-08 | 华为技术有限公司 | Heat dissipation device and terminal equipment |
CN114300791A (en) * | 2021-12-28 | 2022-04-08 | 宁德新能源科技有限公司 | Packaging bag and battery cell |
-
2016
- 2016-11-24 CN CN201621265769.7U patent/CN206210852U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113491178A (en) * | 2019-09-17 | 2021-10-08 | 华为技术有限公司 | Heat dissipation device and terminal equipment |
CN113477486A (en) * | 2021-07-14 | 2021-10-08 | 福建时代星云科技有限公司 | Gluing method with degumming function |
CN113477486B (en) * | 2021-07-14 | 2021-12-28 | 福建时代星云科技有限公司 | Gluing method with degumming function |
CN114300791A (en) * | 2021-12-28 | 2022-04-08 | 宁德新能源科技有限公司 | Packaging bag and battery cell |
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