CN207572406U - A kind of lithium battery technique film - Google Patents
A kind of lithium battery technique film Download PDFInfo
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- CN207572406U CN207572406U CN201721681313.3U CN201721681313U CN207572406U CN 207572406 U CN207572406 U CN 207572406U CN 201721681313 U CN201721681313 U CN 201721681313U CN 207572406 U CN207572406 U CN 207572406U
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- layer
- adhesive layer
- lithium battery
- technique film
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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
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Abstract
The utility model is related to battery process technical field of membrane, more particularly to a kind of lithium battery technique film, including the first adhesive layer, the first base material layer, the second adhesive layer and the second substrate layer from bottom to top set gradually, light blocking layer is additionally provided between second adhesive layer and the second substrate layer, flame-retardant layer is provided between the light blocking layer and the second adhesive layer.The utility model uses the structure setting that the first adhesive layer, the first base material layer, the second adhesive layer and the second substrate layer are from bottom to top set gradually, lithium battery technique film roll will not occur to tilt delamination around the rear end of stickup, and second is provided with light blocking layer and flame-retardant layer between adhesive layer and the second substrate layer, can keep the stability and flame retardant property of battery core.
Description
Technical field
The utility model is related to battery process technical field of membrane, and in particular to a kind of lithium battery technique film.
Background technology
In the production process of lithium battery, it usually needs a few technique films are wound in the outer ring of battery pack, so as to keep electricity
The compactness of pond group, and covering outer light keep the stability of battery pack.At present, general technique film is generally in the market
Double-layer structure is made of single substrate layer and adhesive layer, such technique film after winding bonds, the end of glued membrane can because
The contraction gender gap of substrate layer and adhesive layer is larger and tilts, so as to influence the quality of product.Therefore, how efficiently against upper
State the problem of defect is existing market urgent need to resolve.
Invention content
In order to overcome shortcoming and defect in the prior art, the purpose of this utility model is to provide a kind of lithium batteries
Technique film, the lithium battery technique film use the first adhesive layer, the first base material layer, the second adhesive layer and the second substrate layer from bottom to top
The structure setting set gradually, lithium battery technique film roll will not occur to tilt delamination around the rear end of stickup.
The purpose of this utility model is achieved through the following technical solutions：A kind of lithium battery technique film, including from bottom to top according to
The first adhesive layer, the first base material layer, the second adhesive layer and the second substrate layer of secondary setting, second adhesive layer and the second base material
Light blocking layer is additionally provided between layer, flame-retardant layer is provided between the light blocking layer and the second adhesive layer.
Wherein, resistance packing layer is provided between the flame-retardant layer and the second adhesive layer.
Wherein, the light blocking layer is the coat of colo(u)r that is in the light.
Wherein, the thickness of first adhesive layer is 30-40um.
Wherein, the thickness of the first base material layer is 22-26um.
Wherein, the thickness of second adhesive layer is 30-40um.
Wherein, the thickness of second substrate layer is 22-26um.
Wherein, the thickness of the light blocking layer is 4-8um.
Wherein, the thickness of the flame-retardant layer is 10-12um.
Wherein, the thickness of the resistance packing layer is 10-15um.
The beneficial effects of the utility model are：The utility model is using the first adhesive layer, the first base material layer, the second gluing
The structure setting that layer and the second substrate layer are from bottom to top set gradually, lithium battery technique film roll will not occur around the rear end of stickup
Delamination is tilted, and light blocking layer and flame-retardant layer are provided between the second adhesive layer and the second substrate layer, battery core can be kept
Stability and flame retardant property.
Description of the drawings
Fig. 1 is the sectional view of the utility model.
Reference numeral is：First adhesive layer 1, the first base material layer 2, the second adhesive layer 3, resistance packing layer 4, flame-retardant layer 5, gear
Photosphere 6, the second substrate layer 7.
Specific embodiment
For the ease of the understanding of those skilled in the art, the utility model is made into one with reference to embodiment and attached drawing 1
The explanation of step, the content that embodiment refers to not are the restriction to the utility model.
See Fig. 1, a kind of lithium battery technique film, including from bottom to top set gradually the first adhesive layer 1, the first base material layer 2,
Second adhesive layer 3 and the second substrate layer 7 are additionally provided with light blocking layer 6 between second adhesive layer, 3 and second substrate layer 7, described
Flame-retardant layer 5 is provided between 6 and second adhesive layer 3 of light blocking layer.
Wherein, it is provided with resistance packing layer 4 between 5 and second adhesive layer 3 of flame-retardant layer.
Wherein, the light blocking layer 6 is the coat of colo(u)r that is in the light.
Wherein, the thickness of first adhesive layer 1 is 30-40um.
Wherein, the thickness of the first base material layer 2 is 22-26um.
Wherein, the thickness of second adhesive layer is 30-40um.
Wherein, the thickness of second substrate layer 7 is 22-26um.
Wherein, the thickness of the light blocking layer 6 is 4-8um.
Wherein, the thickness of the flame-retardant layer 5 is 10-12um.
Wherein, the thickness of the resistance packing layer 4 is 10-15um.
Above-described embodiment is the preferable implementation of the utility model, and in addition to this, the utility model can be with other sides
Formula realizes that any obvious replacement is in the protection model of the utility model without departing from the concept of the premise utility
Within enclosing.
Claims (10)
1. a kind of lithium battery technique film, it is characterised in that：Including from bottom to top set gradually the first adhesive layer, the first base material
Layer, the second adhesive layer and the second substrate layer, are additionally provided with light blocking layer, the gear between second adhesive layer and the second substrate layer
Flame-retardant layer is provided between photosphere and the second adhesive layer.
2. a kind of lithium battery technique film according to claim 1, it is characterised in that：The flame-retardant layer and the second adhesive layer it
Between be provided with resistance packing layer.
3. a kind of lithium battery technique film according to claim 1, it is characterised in that：The light blocking layer is the coat of colo(u)r that is in the light.
4. a kind of lithium battery technique film according to claim 1, it is characterised in that：The thickness of first adhesive layer is
30-40um。
5. a kind of lithium battery technique film according to claim 1, it is characterised in that：The thickness of the first base material layer is
22-26um。
6. a kind of lithium battery technique film according to claim 1, it is characterised in that：The thickness of second adhesive layer is
30-40um。
7. a kind of lithium battery technique film according to claim 1, it is characterised in that：The thickness of second substrate layer is
22-26um。
8. a kind of lithium battery technique film according to claim 1, it is characterised in that：The thickness of the light blocking layer is 4-8um.
9. a kind of lithium battery technique film according to claim 1, it is characterised in that：The thickness of the flame-retardant layer is 10-
12um。
10. a kind of lithium battery technique film according to claim 2, it is characterised in that：The thickness of the resistance packing layer is
10-15um。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721681313.3U CN207572406U (en) | 2017-12-06 | 2017-12-06 | A kind of lithium battery technique film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721681313.3U CN207572406U (en) | 2017-12-06 | 2017-12-06 | A kind of lithium battery technique film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207572406U true CN207572406U (en) | 2018-07-03 |
Family
ID=62690273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721681313.3U Active CN207572406U (en) | 2017-12-06 | 2017-12-06 | A kind of lithium battery technique film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207572406U (en) |
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2017
- 2017-12-06 CN CN201721681313.3U patent/CN207572406U/en active Active
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