Battery electrode structure with high interface adhesion and chemical resistance
By using a combination of polymer insulating layer, metal layer and carbon sputtering layer in the battery electrode structure, the problem of insufficient adhesion between carbon material and metal copper is solved, and the effects of high interfacial adhesion and low resistance are achieved, which improves the stability and durability of the battery module.
Patent Information
- Application Number
- CN202421460510.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-06-24
AI Technical Summary
In battery manufacturing, the interface adhesion between carbon material and metal copper is insufficient, resulting in insufficient adhesion and high interface resistance, making it difficult to achieve stable adhesion and low resistance.
The structure of a polymer insulating layer, a metal layer and a carbon sputtering layer is adopted. The metal layer is arranged on both sides of the polymer insulating layer, and the carbon sputtering layer is formed on the sides where the metal layer and the polymer insulating layer come into contact with each other to enhance material adhesion and chemical resistance.
By sputtering the carbon sputtering layer, the adhesion and chemical resistance of the material are significantly improved, and the interface resistance is reduced, thereby improving the stability and durability of the battery assembly.
Smart Images
Figure CN222927514U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a battery electrode structure, in particular to a battery electrode structure with high interfacial adhesion and chemical resistance. Background Art
[0002] In the field of battery manufacturing, attaching carbon as a negative electrode active material to metal copper is a key process step. Due to insufficient interfacial adhesion between the coated carbon material and the metal, it is common to coat the carbon combined with glue on the copper substrate and complete the above step by rolling; however, the above method will result in insufficient adhesion and relatively high interfacial resistance.
[0003] Therefore, in the conventional technology of battery manufacturing, how to stably attach the carbon material to the metal and reduce the interfacial resistance is a technical problem that needs to be solved urgently at present. Summary of the Utility Model
[0004] To solve the above problems, the utility model provides a battery electrode structure with high interfacial adhesion and chemical resistance, which can improve the material adhesion and has anti-corrosion characteristics.
[0005] To achieve the above object, an embodiment of the utility model provides a battery electrode structure with high interfacial adhesion and chemical resistance, which includes a polymer insulating layer, two metal layers and at least one carbon sputtering layer. The metal layers are respectively arranged on both side surfaces of the polymer insulating layer, and the carbon sputtering layer is formed on one side surface of any metal layer different from the side combined with the polymer insulating layer.
[0006] In another embodiment of the utility model, it includes two carbon sputtering layers, and the carbon sputtering layers are respectively formed on one side surfaces of the two metal layers different from the side combined with the polymer insulating layer.
[0007] In another embodiment of the utility model, the thickness of the carbon sputtering layer is between 0.005 microns and 5 microns.
[0008] In another embodiment of the utility model, the thickness of the carbon sputtering layer is between 0.02 microns and 0.05 microns.
[0009] In another embodiment of the utility model, the thickness of the polymer insulating layer is between 1 micron and 30 microns.
[0010] In another embodiment of the utility model, the thickness of the metal layer is between 0.1 micron and 5 microns.
[0011] In another embodiment of the utility model, the carbon sputtering layer is carbon or graphite, and the metal layers are of the same material, selected from any one of aluminum, copper and copper-nickel alloy.
[0012] To achieve the above object, another embodiment of the present utility model provides a battery electrode structure with high interfacial adhesion and chemical resistance, comprising a positive electrode, a first separator, and a negative electrode. The positive electrode includes a first metal layer, a first carbon sputtering layer, and an active material layer that are sequentially stacked. The first carbon sputtering layer is formed on the surface of the first metal layer by sputtering, and the thickness of the active material layer is between 5 microns and 180 microns. The first separator is formed on the side of the active material layer opposite to the sputtered first carbon sputtering layer, and the thickness of the first separator is between 10 microns and 40 microns. The negative electrode includes a second metal layer, a second carbon sputtering layer, and a conductive layer that are sequentially stacked. The second carbon sputtering layer is formed on the surface of the second metal layer by sputtering, the conductive layer is adjacent to the first separator, and the thickness of the conductive layer is between 5 microns and 166 microns.
[0013] In another embodiment of the present utility model, it further includes a second separator, which is formed on the side of the second metal layer opposite to the sputtered second carbon sputtering layer, and the thickness of the second separator is between 10 microns and 40 microns.
[0014] To achieve the above object, another embodiment of the present utility model provides a battery electrode structure with high interfacial adhesion and chemical resistance, comprising a positive electrode, a separator, a negative electrode, and a polymer insulating layer. The positive electrode includes a first metal layer, a first carbon sputtering layer, and an active material layer that are sequentially stacked. The first carbon sputtering layer is formed on the surface of the first metal layer by sputtering, and the thickness of the active material layer is between 5 microns and 180 microns. The separator is formed on the side of the active material layer opposite to the sputtered first carbon sputtering layer, and the thickness of the separator is between 10 microns and 40 microns. The negative electrode includes a second metal layer, a second carbon sputtering layer, and a conductive layer that are sequentially stacked. The second carbon sputtering layer is formed on the surface of the second metal layer by sputtering, and the thickness of the conductive layer is between 5 microns and 166 microns. And the polymer insulating layer is formed on the adjacent surfaces of the first metal layer and the second metal layer.
[0015] In another embodiment of the present utility model, the thickness of the first carbon sputtering layer or the second carbon sputtering layer is between 0.005 microns and 5 microns.
[0016] In another embodiment of the present utility model, the thickness of the first carbon sputtering layer or the second carbon sputtering layer is between 0.02 microns and 0.05 microns.
[0017] In another embodiment of the present utility model, the thicknesses of the first metal layer and the second metal layer are both between 0.2 microns and 10 microns.
[0018] In another embodiment of the present utility model, the thickness of the polymer insulating layer is between 1 micron and 30 microns.
[0019] In another embodiment of the present utility model, the first carbon sputtering coating or the second carbon sputtering coating is carbon or graphite, the first metal layer is aluminum metal, the second metal layer is copper metal, aluminum metal or copper-nickel alloy, the active material layer contains lithium metal, and the conductive layer is graphite or graphene.
[0020] By the above, through the application of the sputtered carbon sputtering coating, the first carbon sputtering coating or the second carbon sputtering coating, the adhesion and chemical resistance of the subsequent materials can be enhanced, and the interface resistance can be effectively reduced, which helps to increase the stability and durability of the battery assembly. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a three-dimensional schematic diagram of the battery winding of the present utility model.
[0022] Figure 2 It is a three-dimensional schematic diagram of the battery of the present utility model.
[0023] Figure 3 It is a schematic cross-sectional view of a single electrode of the first preferred embodiment of the present utility model.
[0024] Figure 4 It is a schematic cross-sectional view of a single electrode of the second preferred embodiment of the present utility model.
[0025] Figure 5 It is a schematic cross-sectional view of the battery of the third preferred embodiment of the present utility model.
[0026] Figure 6 It is a schematic cross-sectional view of the battery of the fourth preferred embodiment of the present utility model.
[0027] Figure 7 It is a schematic cross-sectional view of the battery of the fifth preferred embodiment of the present utility model.
[0028] REFERENCE SIGNS:
[0029] Polymer insulating layer 10;
[0030] Metal layer 11;
[0031] Carbon sputtering coating 12;
[0032] Positive electrode 20;
[0033] First metal layer 21;
[0034] First carbon sputtering coating 22;
[0035] Active material layer 23;
[0036] Separator 30;
[0037] First separator 31;
[0038] Second separator 32;
[0039] Negative electrode 40;
[0040] Second metal layer 41;
[0041] Second carbon sputtering coating 42;
[0042] Conductive layer 43;
[0043] Battery 50. Detailed implementation mode
[0044] The exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It is not intended to limit the technical principles of the present invention to the specific disclosed embodiments, and the scope of the present invention is only limited by the scope of the patent application, covering alternatives, modifications, and equivalents.
[0045] Please refer to Figures 1 to 3 , Figure 3 The planar structure of Figure 1 and Figure 2 is a single electrode schematic diagram of a battery 50 shown in Figure 1 and Figure 2 is only one embodiment of the battery 50, and the stacked structure of the battery 50 can be in various styles. In Figure 3 , in the first preferred embodiment of the present invention, a single electrode structure of a battery 50 with high interface adhesion and chemical resistance is disclosed, including a polymer insulating layer 10, two metal layers 11, and at least one carbon sputtering coating 12. The metal layers 11 are respectively disposed on both side surfaces of the polymer insulating layer 10, and the carbon sputtering coating 12 is formed on one side surface of any metal layer 11 different from the side combining with the polymer insulating layer 10.
[0046] Please refer to Figure 4 and in combination with Figure 1 and Figure 2 , in the second preferred embodiment of the present invention, it is disclosed that the single electrode structure of the battery 50 includes two carbon sputtering coatings 12, and the carbon sputtering coatings 12 are respectively formed on one side surface of the metal layer 11 different from the side combining with the polymer insulating layer 10.
[0047] Please refer to Figure 5 and in combination with Figure 1 and Figure 2, the third preferred embodiment of the present utility model discloses a battery 50 electrode structure with high interface adhesion and chemical resistance, which includes a positive electrode 20, a first separator 31, and a negative electrode 40. The positive electrode 20 includes a first metal layer 21, a first carbon sputtering layer 22, and an active material layer 23 that are sequentially stacked. The first carbon sputtering layer 22 is formed on the surface of the first metal layer 21 by sputtering, and the thickness of the active material layer 23 is between 5 microns and 180 microns; the first separator 31 is formed on the side of the active material layer 23 different from the sputtered first carbon sputtering layer 22, and the thickness of the first separator 31 is between 10 microns and 40 microns; the negative electrode 40 includes a second metal layer 41, a second carbon sputtering layer 42, and a conductive layer 43 that are sequentially stacked. The second carbon sputtering layer 42 is formed on the surface of the second metal layer 41 by sputtering, the conductive layer 43 is adjacent to the first separator 31, and the thickness of the conductive layer 43 is between 5 microns and 166 microns. In this embodiment, the material of the first carbon sputtering layer 22 is carbon, and the material of the second carbon sputtering layer 42 is graphite. Although not shown in the figure, the first carbon sputtering layer 22 and the second carbon sputtering layer 42 can also have the same material, for example, both use carbon or both use graphite. In addition, Figure 5 The structures on both sides of the first metal layer 21 of Figure 3 or Figure 4 can also adopt the structural form of
[0048] Please refer to Figure 6 and match with Figure 1 and Figure 2 , the battery 50 electrode structure disclosed in the fourth preferred embodiment of the present utility model is used for a wound battery 50 structure. In this embodiment, it further includes a second separator 32, which is formed on the side of the second metal layer 41 different from the sputtered second carbon sputtering layer 42, and the thickness of the second separator 32 is between 10 microns and 40 microns. In addition, Figure 6 The structures on both sides of the first metal layer 21 of Figure 3 or Figure 4 can also adopt the structural form of
[0049] Please refer to Figure 7 and match with Figure 1 and Figure 2, the fifth preferred embodiment of the present utility model discloses another battery 50 electrode structure with high interface adhesion and chemical resistance, which is used for a wound battery 50 structure. This embodiment includes a polymer insulating layer 10, a positive electrode 20, a separator 30, and a negative electrode 40. The positive electrode 20 and the negative electrode 40 are respectively disposed on two side surfaces of the polymer insulating layer 10; the positive electrode 20 includes a first metal layer 21, a first carbon sputtering layer 22, and an active material layer 23 which are sequentially stacked. The first metal layer 21 is formed on one side surface of the polymer insulating layer 10, the first carbon sputtering layer 22 is formed on the surface of the first metal layer 21 by sputtering, and the thickness of the active material layer 23 is between 5 microns and 180 microns; the separator 30 is formed on the side of the active material layer 23 different from the side where the first carbon sputtering layer 22 is sputtered, and the thickness of the separator 30 is between 10 microns and 40 microns; the negative electrode 40 includes a second metal layer 41, a second carbon sputtering layer 42, and a conductive layer 43 which are sequentially stacked. The second metal layer 41 is formed on the other side surface of the polymer insulating layer 10, the second carbon sputtering layer 42 is formed on the surface of the second metal layer 41 by sputtering, and the thickness of the conductive layer 43 is between 5 microns and 166 microns. Additionally, Figure 7 The structures on both sides of the first metal layer 21 can also adopt Figure 3 or Figure 4 the structural form of.
[0050] With the above structure, by first setting the polymer insulating layer 10, the thicknesses of the first metal layer 21 and the second metal layer 41 can be effectively reduced. Under the same battery 50 volume, there can be more stacking or winding layers, and more electricity storage structures can be accommodated, thus achieving the effect of improving the stored electricity.
[0051] In the above, the polymer insulating layer 10 is made of an insulating material and does not have a plurality of microporous structures. Therefore, during the charging or discharging process of the battery 50, ions will not conduct through the electrolyte and penetrate the polymer insulating layer 10.
[0052] In the above, the separator 30 has a plurality of microporous structures (not shown in the figure) for accommodating the electrolyte, thereby enabling conduction and having the function of electron exchange.
[0053] In the above, the first metal layer 21 and the second metal layer 41 are respectively formed on two sides of the polymer insulating layer 10 first, and then the first carbon sputtering layer 22 is sputtered on the surface of the first metal layer 21; similarly, the second carbon sputtering layer 42 is sputtered on the surface of the second metal layer 41.
[0054] In one embodiment, the thickness of the carbon sputter coating 12, the first carbon sputter coating 22, or the second carbon sputter coating 42 is between 0.005 micrometers and 5 micrometers. The thickness of the carbon sputter coating 12, the first carbon sputter coating 22, or the second carbon sputter coating 42 can be 0.005, 0.01, 0.015, 0.02, 0.025, 0.03, 0.035, 0.04, 0.045, 0.05, 0.055, 0.06, 0.065, 0.07, 0.075, 0.08, 0.085, 0.09, 0.095, 0.1, 0.15, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.55, 0.6, 0.65, 0.7, 0.75, 0.8, 0.85, 0.9, 0.95, 1, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 3, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 4, 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7, 4.8, 4.9, and 5 micrometers. If the thickness of the carbon sputter coating 12, the first carbon sputter coating 22, or the second carbon sputter coating 42 is greater than 5 micrometers, the carbon bonds of itself will be tightly connected, resulting in a decrease in the connectivity with other materials, causing vacant bonds in the functional groups and being not conducive to adhesion.
[0055] In one embodiment, the thickness of the carbon sputter coating 12, the first carbon sputter coating 22, or the second carbon sputter coating 42 is between 0.02 micrometers and 0.05 micrometers. The thickness of the carbon sputter coating 12, the first carbon sputter coating 22, or the second carbon sputter coating 42 can be between 0.02, 0.021, 0.022, 0.023, 0.024, 0.025, 0.026, 0.027, 0.028, 0.029, 0.03, 0.031, 0.032, 0.033, 0.034, 0.035, 0.036, 0.037, 0.038, 0.039, 0.04, 0.041, 0.042, 0.043, 0.044, 0.045, 0.046, 0.047, 0.048, 0.049, and 0.05 micrometers.
[0056] In one embodiment, the thickness of the polymer insulating layer 10 ranges from 1 micron to 30 microns. The thickness of the polymer insulating layer 10 can be 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.5, 13, 13.5, 14, 14.5, 15, 15.5, 16, 16.5, 17, 17.5, 18, 18.5, 19, 19.5, 20, 20.5, 21, 21.5, 22, 22.5, 23, 23.5, 24, 24.5, 25, 25.5, 26, 26.5, 27, 27.5, 28, 28.5, 29, 29.5, and 30 microns, etc. The material of the polymer insulating layer 10 can be polyimide (PI), polypropylene (PP), polyethylene terephthalate (PET), polyphenylene sulfide (PPS), polycarbonate (PC), or polymethyl methacrylate (PMMA).
[0057] In one embodiment, the thickness of the metal layer 11 ranges from 0.1 micron to 5 microns. The thickness of the metal layer 11 can be 0.1, 0.3, 0.6, 0.9, 1.2, 1.5, 1.8, 2.1, 2.4, 2.7, 3, 3.1, 3.3, 3.6, 3.9, 4.2, 4.5, 4.8, and 5 microns, etc.
[0058] In one embodiment, the thicknesses of the first metal layer 21 and the second metal layer 41 both range from 0.2 micron to 10 microns. The thicknesses of the first metal layer 21 and the second metal layer 41 can be 0.2, 0.6, 1, 1.4, 1.8, 2.2, 2.6, 3, 3.4, 3.8, 4.2, 4.6, 5, 5.4, 5.8, 6.2, 6.6, 7, 7.4, 7.8, 8.2, 8.6, 9, 9.4, 9.8, and 10 microns, etc.
[0059] In one embodiment, the metal layer 11, the first metal layer 21, or the second metal layer 41 can be aluminum, copper, or a copper-nickel alloy, etc.
[0060] In one embodiment, the first carbon sputtering layer 22 or the second carbon sputtering layer 42 is carbon or graphite, the first metal layer 21 is aluminum, the second metal layer 41 is copper, aluminum, or a copper-nickel alloy, the active material layer 23 contains lithium metal, and the conductive layer 43 is graphite or graphene.
[0061] In one of the embodiments, the sputtering method of the carbon sputtering coating 12, the first carbon sputtering coating 22 or the second carbon sputtering coating 42 is physical vapor deposition (PCD), plasma-enhanced chemical vapor deposition (PECVD), evaporation deposition or chemical vapor deposition (CVD).
[0062] With the above structure, the advantages of the present utility model are as follows:
[0063] 1. Improve material adhesion: By applying the carbon sputtering coating 12, the first carbon sputtering coating 22 or the second carbon sputtering coating 42, the adhesion of subsequent materials can be enhanced, especially the connection between the first metal layer 21 and the active material layer 23, or the second metal layer 41 and the conductive layer 43, thereby increasing the stability and durability of the battery 50, and also helping to improve the energy storage efficiency of the battery 50.
[0064] 2. Reduce interface resistance: By applying the carbon sputtering coating 12, the first carbon sputtering coating 22 or the second carbon sputtering coating 42, the interface resistance between the first metal layer 21 and the active material layer 23, or the second metal layer 41 and the conductive layer 43 can be reduced, which helps to improve the efficiency and performance of the battery 50, ensure more efficient energy transfer, and contribute to improving the energy storage efficiency of the battery 50. The above active material layer 23 can be ternary lithium, and the "ternary" refers to a polymer containing three metal elements of nickel, cobalt and manganese (or aluminum). The mixing ratio of the three elements of nickel, cobalt and manganese (or nickel, cobalt and aluminum) in the cathode 20 material is different, thereby adjusting characteristics such as the cost of the battery 50 and the required electrochemical properties.
[0065] 3. Save material costs and reduce thickness: By plating the metal layer 11, the first metal layer 21 or the second metal layer 41 on the surface of the polymer insulating layer 10, the amount of metal material required can be effectively reduced, thereby reducing the process cost. At the same time, this kind of coating can achieve a thinner thickness, which helps to reduce the overall size of the product.
[0066] 4. Reduce environmental impact: By plating the metal layer 11, the first metal layer 21 or the second metal layer 41 on the surface of the polymer insulating layer 10, the demand for resources such as rare metals can be reduced, thereby reducing the impact on the environment; at the same time, reducing the metal usage also helps to reduce the waste generated during the manufacturing process.
[0067] 5. Promote the development of industrial applications: The application of the sputtered carbon sputtered coating 12, the first carbon sputtered coating 22 or the second carbon sputtered coating 42 will contribute to the development of the industrial application field, especially in the fields of energy storage, electric vehicles, portable electronic devices, etc.
[0068] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered to be within the scope described in this specification.
Claims
1. A battery electrode structure with high interface adhesion and chemical resistance, characterized in that: include: A polymer insulating layer; Two metal layers are respectively disposed on the two side surfaces of the polymer insulating layer; as well as At least one carbon sputtering layer is formed on a surface of any metal layer which is different from the surface of the polymer insulating layer.
2. The battery electrode structure with high interface adhesion and chemical resistance according to claim 1, characterized in that: The number of the at least one carbon sputtering layer is two, and each of the carbon sputtering layers is formed on a surface of the two metal layers that is different from the surface of the polymer insulating layer.
3. The battery electrode structure with high interface adhesion and chemical resistance according to claim 1 or 2, characterized in that: The thickness of the carbon sputtering layer is between 0.005 micrometers and 5 micrometers.
4. The battery electrode structure with high interface adhesion and chemical resistance according to claim 3, characterized in that: The thickness of the carbon sputtering layer is between 0.02 micrometers and 0.05 micrometers.
5. The battery electrode structure with high interface adhesion and chemical resistance according to claim 1, characterized in that: The thickness of the polymer insulating layer is between 1 micron and 30 microns.
6. The battery electrode structure with high interface adhesion and chemical resistance according to claim 1, characterized in that: The thickness of each metal layer is between 0.1 micrometers and 5 micrometers.
7. A battery electrode structure with high interface adhesion and chemical resistance, characterized in that: include: A positive electrode comprising a first metal layer, a first carbon sputtering layer and an active material layer stacked in sequence, wherein the first carbon sputtering layer is formed on the surface of the first metal layer by sputtering, and the thickness of the active material layer is between 5 microns and 180 microns; a first isolation film formed on a side of the active material layer different from the side where the first carbon sputtering layer is sputtered, the thickness of the first isolation film being between 10 microns and 40 microns; and A negative electrode comprises a second metal layer, a second carbon sputtered layer and a conductive layer stacked in sequence, wherein the second carbon sputtered layer is formed on the surface of the second metal layer by sputtering, the conductive layer is adjacent to the first isolation film, and the thickness of the conductive layer is between 5 microns and 166 microns.
8. The battery electrode structure with high interface adhesion and chemical resistance according to claim 7, characterized in that: The invention also includes a second isolation film, which is formed on a side of the second metal layer different from the side where the second carbon sputtering layer is sputtered, and the thickness of the second isolation film is between 10 microns and 40 microns.
9. The battery electrode structure with high interface adhesion and chemical resistance according to claim 7 or 8, characterized in that: The thickness of the first carbon sputtering layer or the second carbon sputtering layer is between 0.005 micrometers and 5 micrometers.
10. The battery electrode structure with high interface adhesion and chemical resistance according to claim 9, characterized in that: The thickness of the first carbon sputtering layer or the second carbon sputtering layer is between 0.02 micrometers and 0.05 micrometers.
11. The battery electrode structure with high interface adhesion and chemical resistance according to claim 7, characterized in that: The thickness of the first metal layer and the second metal layer are both between 0.2 micrometers and 10 micrometers.
12. A battery electrode structure with high interface adhesion and chemical resistance, characterized in that: include: A polymer insulating layer, wherein a positive electrode and a negative electrode are respectively disposed on two sides of the polymer insulating layer; The positive electrode comprises a first metal layer, a first carbon sputtering layer and an active material layer which are sequentially stacked, wherein the first metal layer is formed on one side surface of the polymer insulating layer, the first carbon sputtering layer is formed on the surface of the first metal layer by sputtering, and the thickness of the active material layer is between 5 micrometers and 180 micrometers; an isolation film formed on a side of the active material layer different from the side where the first carbon sputtering layer is sputtered, the isolation film having a thickness ranging from 10 microns to 40 microns; and The negative electrode includes a second metal layer, a second carbon sputtered layer and a conductive layer stacked in sequence, the second metal layer is formed on the other side surface of the polymer insulating layer, the second carbon sputtered layer is formed on the surface of the second metal layer by sputtering, and the thickness of the conductive layer is between 5 microns and 166 microns.
13. The battery electrode structure with high interface adhesion and chemical resistance according to claim 12, characterized in that: The thickness of the first carbon sputtering layer or the second carbon sputtering layer is between 0.005 micrometers and 5 micrometers.
14. The battery electrode structure with high interface adhesion and chemical resistance according to claim 13, characterized in that: The thickness of the first carbon sputtering layer or the second carbon sputtering layer is between 0.02 micrometers and 0.05 micrometers.
15. The battery electrode structure with high interface adhesion and chemical resistance according to claim 12, characterized in that: The thickness of the polymer insulating layer is between 1 micron and 30 microns.
16. The battery electrode structure with high interface adhesion and chemical resistance according to claim 12, characterized in that: The thickness of the first metal layer and the second metal layer are both between 0.2 micrometers and 10 micrometers.