CN219637157U - Metal-case power battery manufacturing process protection film - Google Patents
Metal-case power battery manufacturing process protection film Download PDFInfo
- Publication number
- CN219637157U CN219637157U CN202321365356.6U CN202321365356U CN219637157U CN 219637157 U CN219637157 U CN 219637157U CN 202321365356 U CN202321365356 U CN 202321365356U CN 219637157 U CN219637157 U CN 219637157U
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- CN
- China
- Prior art keywords
- layer
- power battery
- resistant layer
- corrosion
- heat
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 239000010410 layer Substances 0.000 claims abstract description 85
- 239000000463 material Substances 0.000 claims abstract description 46
- 230000007797 corrosion Effects 0.000 claims abstract description 30
- 238000005260 corrosion Methods 0.000 claims abstract description 30
- 230000006835 compression Effects 0.000 claims abstract description 17
- 238000007906 compression Methods 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 239000012790 adhesive layer Substances 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims description 10
- 239000004417 polycarbonate Substances 0.000 claims description 5
- 229920000515 polycarbonate Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004642 Polyimide Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000275 quality assurance Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008646 thermal stress 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
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to the technical field of battery manufacturing processes, in particular to a metal shell power battery manufacturing process protection film, which solves the problem that a film material in the prior art only has basic outer layer protection and lacks corrosion resistance, wear resistance and heat resistance to a certain extent, so that the battery material lacks certain protection in the processing process. The utility model provides a metal casing power battery process protection film, includes the intermediate level, the top fixedly connected with heat-resisting layer of intermediate level, and the top fixedly connected with corrosion-resistant layer of heat-resisting layer, the bottom fixedly connected with compressive layer of intermediate level, and the bottom fixedly connected with adhesive layer of compressive layer, the top on corrosion-resistant layer scribbles and is equipped with wear-resisting coating. The utility model greatly improves the effects of corrosion resistance, wear resistance, heat resistance and compression resistance of the power battery material in the manufacturing process, greatly improves the quality assurance of the power battery material in the manufacturing process, and improves the overall quality of the power battery production and processing.
Description
Technical Field
The utility model relates to the technical field of battery manufacturing processes, in particular to a metal shell power battery manufacturing process protective film.
Background
The power battery is a power source for providing power for tools, and is a storage battery for providing power for electric automobiles, electric trains, electric bicycles and golf carts, and is mainly different from a starting battery for starting an engine of an automobile. The valve port sealed lead-acid storage battery, the open tubular lead-acid storage battery and the lithium iron phosphate storage battery are adopted in many cases, and basic protection work is needed in the manufacturing process of the power battery, wherein a protection film is adopted to protect the outer surface of a battery material.
In the use process of the protective film, the battery material is required to be protected from various damages in the processing process, so that certain requirements are met for the film, but the conventional film material only has basic outer layer protection, lacks certain corrosion resistance, wear resistance and heat resistance, and further causes the battery material to lack certain protection in the processing process, so that the protective film for the metal shell power battery manufacturing process is very inconvenient, and is needed to solve the problems.
Disclosure of Invention
The utility model aims to provide a metal shell power battery manufacturing process protection film, which solves the problems that a film material in the prior art only has basic outer layer protection, lacks corrosion resistance and wear resistance and heat resistance to a certain extent, and further lacks certain protection in the process of processing the battery material.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a metal casing power battery process protection film, includes the intermediate level, the top fixedly connected with heat-resisting layer of intermediate level, and the top fixedly connected with corrosion-resistant layer of heat-resisting layer, the bottom fixedly connected with compressive layer of intermediate level, and the bottom fixedly connected with adhesive layer of compressive layer, the top on corrosion-resistant layer scribbles and is equipped with wear-resisting coating.
Preferably, the heat-resistant layer is positioned at the bottom of the corrosion-resistant layer, and the heat-resistant layer and the corrosion-resistant layer are mutually stuck and connected, and the heat-resistant layer is made of polycarbonate material.
Preferably, the material of the corrosion-resistant layer is polyimide material.
Preferably, the compression-resistant layer is positioned between the middle layer and the adhesive layer, and the compression-resistant layer is made of polypropylene material.
Preferably, the wear-resistant paint is made of polyurethane material.
Preferably, the intermediate layer is positioned between the heat-resistant layer and the compression-resistant layer, and the intermediate layer is made of polyvinylidene fluoride material.
The utility model has at least the following beneficial effects:
when the metal shell power battery manufacturing process protective film is used, due to the adoption of multi-layer multifunctional protective measures, namely the adoption of a plurality of protective materials such as a corrosion-resistant layer, a wear-resistant coating, a heat-resistant layer and a pressure-resistant layer, the corrosion-resistant, wear-resistant, heat-resistant and pressure-resistant effects of the power battery material in the manufacturing process can be greatly improved, the quality assurance of the power battery material in the manufacturing process is greatly improved, the overall quality of the power battery production and processing is improved, and the problem that the film material in the prior art only has basic outer layer protection and lacks of corrosion resistance, wear resistance and heat resistance to a certain extent, so that the battery material lacks certain protection in the processing process is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic top view of the overall structure of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
fig. 3 is a schematic diagram of a front view structure of the present utility model.
In the figure: 1. a corrosion resistant layer; 2. wear-resistant paint; 3. an intermediate layer; 4. a heat-resistant layer; 5. a compression-resistant layer; 6. and (5) an adhesive layer.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1-3, a metal shell power battery manufacturing process protection film comprises a middle layer 3, wherein the top of the middle layer 3 is fixedly connected with a heat-resistant layer 4, the top of the heat-resistant layer 4 is fixedly connected with a corrosion-resistant layer 1, the bottom of the middle layer 3 is fixedly connected with a compression-resistant layer 5, the bottom of the compression-resistant layer 5 is fixedly connected with a bonding layer 6, the top of the corrosion-resistant layer 1 is coated with a wear-resistant coating 2, specifically, the corrosion-resistant, wear-resistant, heat-resistant and compression-resistant effects of a power battery material in the manufacturing process are improved, the quality assurance of the power battery material in the manufacturing process is greatly improved, and the overall quality of power battery production and processing is improved.
The scheme comprises the following working processes:
when the metal shell power battery manufacturing process protective film is used, as a plurality of multi-layer multifunctional protective measures are adopted, namely a plurality of protective materials including the corrosion-resistant layer 1, the wear-resistant coating 2, the heat-resistant layer 4 and the compression-resistant layer 5 are adopted, the effects of corrosion resistance, wear resistance, heat resistance and compression resistance of the power battery material in the manufacturing process can be greatly improved.
The working process can be as follows:
and further, the effects of corrosion resistance, wear resistance, heat resistance and compression resistance of the power battery material in the manufacturing process are improved, the quality assurance of the power battery material in the manufacturing process is greatly improved, and the overall quality of the power battery production and processing is improved.
Further, the heat-resistant layer 4 is located at the bottom of the corrosion-resistant layer 1, the heat-resistant layer 4 and the corrosion-resistant layer 1 are mutually adhered and connected, the heat-resistant layer 4 is made of polycarbonate material, and specifically, the polycarbonate material has high strength, high heat resistance, good mechanical property and transparency, and can be used for protecting the battery from physical damage and high temperature influence in the manufacturing process.
Furthermore, the material of the corrosion-resistant layer 1 is polyimide material, specifically, the polyimide material is a material with high temperature, high strength and high heat insulation performance, and can be used for preventing the battery from being damaged at high temperature and thermally stressed in the manufacturing process.
Further, the compression-resistant layer 5 is located between the middle layer 3 and the adhesive layer 6, the compression-resistant layer 5 is made of polypropylene material, and specifically, the polypropylene material film has excellent mechanical properties and dimensional stability, and can be used for preventing the battery from being physically damaged in the manufacturing process.
Furthermore, the wear-resistant coating 2 is made of polyurethane material, and specifically, the polyurethane material film has higher strength and wear resistance, so that the battery can be effectively prevented from being physically damaged and worn in the manufacturing process, and meanwhile, the battery also has certain chemical resistance.
Further, the middle layer 3 is located between the heat-resistant layer 4 and the compression-resistant layer 5, and the middle layer 3 is made of polyvinylidene fluoride material.
To sum up: the polycarbonate material has high strength, high heat resistance, good mechanical property and transparency, can be used for protecting a battery from physical damage and high temperature influence in the manufacturing process, is a material with high temperature, high strength and high heat insulation performance, can be used for preventing the battery from being damaged at high temperature and thermal stress in the manufacturing process, and also has excellent electrical insulation property and chemical stability, can be used for protecting components such as a positive electrode, a negative electrode, a diaphragm and the like of the battery, and the polyurethane material film has higher strength and wear resistance, can effectively prevent the battery from being damaged and worn physically in the manufacturing process, and has certain chemical resistance.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a metal casing power battery process protection film, includes intermediate level (3), its characterized in that, the top fixedly connected with heat-resisting layer (4) of intermediate level (3), and the top fixedly connected with corrosion-resistant layer (1) of heat-resisting layer (4), the bottom fixedly connected with compressive layer (5) of intermediate level (3), and the bottom fixedly connected with of compressive layer (5) pastes layer (6), wear-resisting coating (2) are scribbled at the top of corrosion-resistant layer (1).
2. The metal shell power battery manufacturing process protection film according to claim 1, wherein the heat-resistant layer (4) is located at the bottom of the corrosion-resistant layer (1), the heat-resistant layer (4) and the corrosion-resistant layer (1) are mutually adhered and connected, and the heat-resistant layer (4) is made of polycarbonate material.
3. The metal shell power battery process protection film according to claim 1, wherein the corrosion resistant layer (1) is made of polyimide material.
4. The metal shell power battery manufacturing process protection film according to claim 1, wherein the compression-resistant layer (5) is located between the middle layer (3) and the adhesive layer (6), and the compression-resistant layer (5) is made of polypropylene material.
5. The metal shell power battery manufacturing process protective film according to claim 1, wherein the wear-resistant coating (2) is uniformly coated on the top of the corrosion-resistant layer (1), and the wear-resistant coating (2) is made of polyurethane material.
6. The metal shell power battery manufacturing process protection film according to claim 1, wherein the middle layer (3) is located between the heat-resistant layer (4) and the compression-resistant layer (5), and the middle layer (3) is made of polyvinylidene fluoride material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321365356.6U CN219637157U (en) | 2023-05-31 | 2023-05-31 | Metal-case power battery manufacturing process protection film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321365356.6U CN219637157U (en) | 2023-05-31 | 2023-05-31 | Metal-case power battery manufacturing process protection film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219637157U true CN219637157U (en) | 2023-09-05 |
Family
ID=87806661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321365356.6U Active CN219637157U (en) | 2023-05-31 | 2023-05-31 | Metal-case power battery manufacturing process protection film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219637157U (en) |
-
2023
- 2023-05-31 CN CN202321365356.6U patent/CN219637157U/en active Active
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