CN220681853U - Battery protection film - Google Patents
Battery protection film Download PDFInfo
- Publication number
- CN220681853U CN220681853U CN202322129214.6U CN202322129214U CN220681853U CN 220681853 U CN220681853 U CN 220681853U CN 202322129214 U CN202322129214 U CN 202322129214U CN 220681853 U CN220681853 U CN 220681853U
- Authority
- CN
- China
- Prior art keywords
- film
- layer
- battery
- outer side
- antistatic
- 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.)
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- 239000010410 layer Substances 0.000 claims abstract description 31
- 239000002131 composite material Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 13
- 229920006284 nylon film Polymers 0.000 claims abstract description 13
- 229920006267 polyester film Polymers 0.000 claims abstract description 13
- 239000002344 surface layer Substances 0.000 claims abstract description 11
- 239000000758 substrate Substances 0.000 claims abstract description 6
- 238000005299 abrasion Methods 0.000 claims abstract 2
- 230000001681 protective effect Effects 0.000 claims description 10
- 239000011241 protective layer Substances 0.000 claims description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 229920002799 BoPET Polymers 0.000 claims description 3
- 239000011253 protective coating Substances 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 9
- 238000005260 corrosion Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002585 base Substances 0.000 description 6
- 230000005611 electricity Effects 0.000 description 6
- 230000003068 static effect Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- Laminated Bodies (AREA)
Abstract
The utility model discloses a battery protection film, which relates to the field of battery manufacturing and comprises a film substrate, wherein an antistatic layer is arranged on the outer side of the film substrate, a composite protection layer is arranged on the outer side of the antistatic layer, a wear-resistant surface layer is arranged on the outer side of the composite protection layer, the composite protection layer comprises a polyester film, a TPU film and a nylon film, the TPU film is arranged on the outer side of the polyester film, and the nylon film is arranged on the outer side of the TPU film. The battery protection film comprises the film base material, the antistatic layer, the composite protection layer and the abrasion-resistant surface layer, so that the thickness of the battery protection film is increased, and meanwhile, the composite protection layer comprises the polyester film, the TPU film and the nylon film, so that the battery protection film is high in corrosion resistance, friction resistance, rigidity, hardness and toughness and puncture resistance, is not easy to damage when being impacted by external objects, the service life of the battery protection film is ensured, and the protection effect on a battery is improved.
Description
Technical Field
The utility model relates to the field of battery manufacturing, in particular to a battery protection film.
Background
A battery refers to a device that converts chemical energy into electrical energy in a cup, tank, or other container or portion of a composite container that contains an electrolyte solution and metal electrodes to generate an electrical current. Has a positive electrode and a negative electrode. With the advancement of technology, batteries are widely referred to as small devices capable of generating electrical energy. In the manufacturing process of the battery, a layer of protective film is required to be attached to the outer side of the battery core, so that the safety performance of the battery core is ensured, and the potential safety hazard of the battery in the use process is eliminated.
At present, most common battery protection films are usually a layer of insulating PVC single-layer film, which is attached outside an electric core, and has protection and insulation effects, but because the thickness of the single-layer film is too thin, the impact resistance and the puncture resistance are poor, the damage of the protection film and the damage of a battery are extremely easy to cause when the battery is impacted by external objects, so that the use limitation of the protection film is larger.
Therefore, it is necessary to invent a battery protective film to solve the above problems.
Disclosure of Invention
The utility model aims to provide a battery protection film, which solves the problems that the use limitation of the protection film is larger because the thickness of a single-layer film is too thin, the impact resistance and the puncture resistance are poor, and the protection film is easily damaged and the battery is damaged when the protection film is impacted by external objects.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a battery protection film, includes the membrane substrate, the outside of membrane substrate is provided with antistatic layer, antistatic layer's outside is provided with compound inoxidizing coating, compound inoxidizing coating's outside is provided with wear-resisting top layer, compound inoxidizing coating includes polyester film, TPU film and nylon film, the TPU film sets up in the outside of polyester film, the nylon film sets up in the outside of TPU film.
Preferably, the film base material is a PET film, and has excellent comprehensive performance, high rigidity, hardness and toughness, puncture resistance and friction resistance.
Preferably, the antistatic layer comprises an antistatic film and a shielding film, the antistatic film is fixedly arranged on the outer side of the shielding film, and the antistatic film and the shielding film are matched with each other to avoid static electricity, and meanwhile, the shielding effect is achieved.
Preferably, the antistatic film is a polyvinyl alcohol film, and has good antistatic performance, thereby avoiding the generation of static electricity.
Preferably, the shielding film is made of silver fiber radiation-proof materials, so that the shielding performance of the battery protective film can be improved, and the condition that adjacent batteries are mutually interfered is avoided.
Preferably, the wear-resistant surface layer is a polytetrafluoroethylene film, is resistant to chemical corrosion, can resist corrosion of strong acid, strong alkali, aqua regia and various kinds, and has high strength, wear resistance and insulating property.
In the technical scheme, the utility model has the technical effects and advantages that:
1. the battery protection film consists of a film base material, an antistatic layer, a composite protection layer and a wear-resistant surface layer, so that the thickness of the battery protection film is increased, and meanwhile, the composite protection layer consists of a polyester film, a TPU film and a nylon film, so that the battery protection film is high in corrosion resistance, friction resistance, high in rigidity, hardness and toughness and puncture resistance, is not easy to damage when being impacted by external objects, the service life of the battery protection film is ensured, and the protection effect on a battery is improved;
2. the anti-static layer is composed of an anti-static film and a shielding film, the anti-static performance of the anti-static film is good, so that static electricity is avoided, the shielding performance of the battery protection film can be improved by the shielding film, the situation that adjacent batteries are mutually interfered is avoided, and the protection effect on the batteries is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a composite protective layer according to the present utility model;
fig. 3 is a schematic view of an antistatic layer according to the present utility model.
Reference numerals illustrate:
1. a film substrate; 2. an antistatic layer; 3. a composite protective layer; 4. a wear resistant surface layer; 5. a polyester film; 6. a TPU film; 7. a nylon film; 8. an antistatic film; 9. a shielding film.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The utility model provides a battery protection film as shown in fig. 1 and 2, which comprises a film base material 1, wherein an antistatic layer 2 is arranged on the outer side of the film base material 1, a composite protective layer 3 is arranged on the outer side of the antistatic layer 2, a wear-resistant surface layer 4 is arranged on the outer side of the composite protective layer 3, the composite protective layer 3 comprises a polyester film 5, a TPU film 6 and a nylon film 7, the TPU film 6 is arranged on the outer side of the polyester film 5, and the nylon film 7 is arranged on the outer side of the TPU film 6.
The film base material 1 is a PET film, and has excellent comprehensive performance, high rigidity, hardness and toughness, puncture resistance and friction resistance.
The wear-resistant surface layer 4 is a polytetrafluoroethylene film, is resistant to chemical corrosion, can resist corrosion of strong acid, strong alkali, aqua regia and various kinds, and has high strength, wear resistance and insulating property.
In the utility model, the battery protection film consists of the film base material 1, the antistatic layer 2, the composite protection layer 3 and the wear-resistant surface layer 4, the thickness of the battery protection film is increased, meanwhile, the composite protection layer 3 consists of the polyester film 5, the TPU film 6 and the nylon film 7, and the composite protection layer 3 consisting of the polyester film 5, the TPU film 6 and the nylon film 7 has high rigidity, high hardness and toughness, puncture resistance, friction resistance, high temperature resistance and low temperature resistance, and the wear-resistant surface layer 4 is a polytetrafluoroethylene film, is resistant to chemical corrosion, can resist corrosion of strong acid, strong alkali, aqua regia and various types, has high strength and wear resistance, and has insulating property, so that the battery protection film is resistant to corrosion, friction, has high rigidity, hardness and toughness, is not easy to break when being impacted by external objects, ensures the service life of the battery protection film, and improves the protection effect on a battery.
As shown in fig. 1 and 3, the antistatic layer 2 includes an antistatic film 8 and a shielding film 9, the antistatic film 8 is fixedly disposed on the outer side of the shielding film 9, and the antistatic film 8 and the shielding film 9 are matched with each other to avoid static electricity and play a role in shielding.
The antistatic film 8 is a polyvinyl alcohol film and has good antistatic performance, thereby avoiding the generation of static electricity.
Preferably, the shielding film 9 is made of silver fiber radiation-proof materials, so that the shielding performance of the battery protective film can be improved, and the condition that adjacent batteries are mutually interfered is avoided.
In the utility model, the antistatic layer 2 in the battery protection film consists of the antistatic film 8 and the shielding film 9, the antistatic film 8 is a polyvinyl alcohol film, the shielding film 9 is made of silver fiber radiation-proof materials, the antistatic performance of the antistatic film 8 is good, thereby avoiding static electricity, and the shielding film 9 can improve the shielding performance of the battery protection film, avoid the condition of mutual interference between adjacent batteries, and further improve the protection effect on the batteries.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (6)
1. A battery protective film comprising a film substrate (1), characterized in that: the anti-static protective coating is characterized in that an anti-static layer (2) is arranged on the outer side of the film base material (1), a composite protective layer (3) is arranged on the outer side of the anti-static layer (2), an abrasion-resistant surface layer (4) is arranged on the outer side of the composite protective layer (3), the composite protective layer (3) comprises a polyester film (5), a TPU film (6) and a nylon film (7), the TPU film (6) is arranged on the outer side of the polyester film (5), and the nylon film (7) is arranged on the outer side of the TPU film (6).
2. The battery protective film according to claim 1, wherein: the film base material (1) is a PET film.
3. The battery protective film according to claim 1, wherein: the antistatic layer (2) comprises an antistatic film (8) and a shielding film (9), and the antistatic film (8) is fixedly arranged on the outer side of the shielding film (9).
4. A battery protective film according to claim 3, wherein: the antistatic film (8) is a polyvinyl alcohol film.
5. A battery protective film according to claim 3, wherein: the shielding film (9) is made of silver fiber radiation-proof materials.
6. The battery protective film according to claim 1, wherein: the wear-resistant surface layer (4) is a polytetrafluoroethylene film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322129214.6U CN220681853U (en) | 2023-08-09 | 2023-08-09 | Battery protection film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322129214.6U CN220681853U (en) | 2023-08-09 | 2023-08-09 | Battery protection film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220681853U true CN220681853U (en) | 2024-03-29 |
Family
ID=90406354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322129214.6U Active CN220681853U (en) | 2023-08-09 | 2023-08-09 | Battery protection film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220681853U (en) |
-
2023
- 2023-08-09 CN CN202322129214.6U patent/CN220681853U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |