CN220984563U - Perforated organic film carrier copper foil - Google Patents
Perforated organic film carrier copper foil Download PDFInfo
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- CN220984563U CN220984563U CN202322543931.3U CN202322543931U CN220984563U CN 220984563 U CN220984563 U CN 220984563U CN 202322543931 U CN202322543931 U CN 202322543931U CN 220984563 U CN220984563 U CN 220984563U
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- copper foil
- layer
- organic film
- transition metal
- metal layer
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 168
- 239000011889 copper foil Substances 0.000 title claims abstract description 131
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 53
- 150000003624 transition metals Chemical class 0.000 claims abstract description 53
- 239000010408 film Substances 0.000 claims description 115
- 229910052802 copper Inorganic materials 0.000 claims description 36
- 239000010949 copper Substances 0.000 claims description 36
- 238000007747 plating Methods 0.000 claims description 25
- 239000011148 porous material Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 7
- 239000010409 thin film Substances 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 19
- 229910052744 lithium Inorganic materials 0.000 abstract description 19
- 239000011248 coating agent Substances 0.000 abstract description 5
- 238000000576 coating method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 12
- 239000002245 particle Substances 0.000 description 11
- 230000003064 anti-oxidating effect Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 5
- 239000011651 chromium Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910001120 nichrome Inorganic materials 0.000 description 5
- 229910000484 niobium oxide Inorganic materials 0.000 description 5
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 4
- 239000005751 Copper oxide Substances 0.000 description 4
- 229910000431 copper oxide Inorganic materials 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 239000010405 anode material Substances 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
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- Cell Electrode Carriers And Collectors (AREA)
Abstract
The utility model provides a perforated organic film carrier copper foil which comprises an organic film layer, a transition metal layer, a copper foil layer and an oxide film, wherein micropores are formed in the organic film layer, the transition metal layer is arranged on the organic film layer, the copper foil layer is arranged on the transition metal layer, the oxide film is arranged on the copper foil layer, the organic film layer is insulated, and the micropores penetrate through the transition metal layer, the copper foil layer and the oxide film. The perforated organic film carrier copper foil has thin thickness and light weight, can be used as a negative electrode current collector of a lithium battery, can remarkably increase the energy density of the battery, compensates the problem of uneven coating, and is beneficial to saving the cost; meanwhile, the adoption of the insulating organic film intermediate carrier is beneficial to improving the safety of the lithium battery so as to meet the requirements of a negative current collector of the lithium battery.
Description
Technical Field
The utility model relates to the technical field of carrier copper foil, in particular to a perforated organic film carrier copper foil.
Background
The lithium ion battery is widely applied in the fields of power automobiles, energy storage and consumer electronics due to the two characteristics of high energy density and recyclable environment friendliness. From a trend, the major challenge facing battery manufacturers has been the continual need for greater energy density by consumers, whether volumetric or gravimetric; the requirements for the safety of lithium batteries are also increasing.
The copper foil is a common material of a lithium battery negative electrode current collector, and most of the prior art is realized by reducing the thickness of the copper foil, so that the thinner the thickness is, the lighter the copper foil weight per unit area is, and the higher the battery energy density is; however, as the thickness of the copper foil product of the lithium battery becomes thinner, the safety of the lithium battery may be affected. The thin copper foil has the defects of easy generation of wrinkles, easy generation of scratches and pits on the surface, and the like. Meanwhile, in recent years, the copper price is continuously increased, and the cost of the copper foil is also continuously increased.
In application number: in chinese patent application CN201380011060.7, a copper foil with carrier foil 1 having a layer structure of carrier foil 2/release layer 3/base copper layer 4 is disclosed, wherein metal component-containing particles 5 "are disposed between the release layer 3 and the base copper layer 4. By using the copper foil with carrier foil, it is possible to form a blackened layer exhibiting a color tone excellent in laser drilling processability on the surface of the base copper layer when the copper foil is produced into a copper clad laminate.
In application number: in chinese patent application CN01119303.4, a method for manufacturing a transfer printing copper foil with carrier is related, comprising the following steps: (1) providing a carrier having a first surface; (2) cleaning and roughening the first surface; (3) Forming a metal dielectric layer on the first surface by adopting a physical vapor deposition mode; (4) Electroless plating copper on the surface of the metal dielectric layer to form a copper foil layer; and (5) roughening the surface of the copper foil layer; thereby producing an ultra-thin copper foil attached to the carrier. By adopting the scheme of the invention, the ultrathin copper foil can be produced as required, the invention can meet various specification requirements, is convenient for subsequent etching and perforation operation, can be directly used by manufacturers of copper foil-free electroplating equipment, and the carrier of the copper foil can reduce pollution and absorb heat generated by the perforation operation.
In application number: in chinese patent application CN201810292331.5, the present invention relates to a surface-treated copper foil, a copper foil with carrier, a laminate, a method for manufacturing a printed wiring board, and a method for manufacturing an electronic device. Provided is a surface-treated copper foil which is excellent in suppression of the falling off of coarsening particles in a coarsening particle layer provided on the surface of the copper foil and excellent in suppression of wrinkles and streaks generated when the surface-treated copper foil is bonded to an insulating substrate. The surface-treated copper foil of the present invention has roughened layers provided on one surface and/or both surfaces of the copper foil, and the roughened layer side surface has a roughness Ra of 0.08 [ mu ] m or more and 0.20 [ mu ] m or less, and the roughened layer side surface of the surface-treated copper foil has a TD glossiness of 70% or less.
In application number: in chinese patent application CN201810290908.9, the surface-treated copper foil, copper foil with carrier, laminate, method for manufacturing printed wiring board, and method for manufacturing electronic device are related. The surface-treated copper foil has a copper foil and a roughened layer on at least one surface of the copper foil. The aspect ratio of the roughened particles (height of the roughened particles/coarseness of the roughened particles) of the roughened layer satisfies any one or more of the following (1) and (2). (1) The aspect ratio of the roughened particles is 3 or less, (2) any one of (2-1) or (2-2) below is satisfied, (2-1) when the height of the roughened particles is greater than 500nm and 1000nm or less, the aspect ratio of the roughened particles is 10 or less, and (2-2) when the height of the roughened particles is 500nm or less, the aspect ratio of the roughened particles is 15 or less. The surface-treated copper foil has a TD glossiness of 70% or less on the roughened layer side surface.
The prior art is greatly different from the utility model, and the technical problem to be solved by the utility model is not solved, so that a novel perforated organic film carrier copper foil is invented.
Disclosure of utility model
The utility model aims to provide a perforated organic film carrier copper foil which has a small thickness and light weight, can be used as a negative electrode current collector of a lithium battery and can remarkably increase the energy density of the battery.
The aim of the utility model can be achieved by the following technical measures: the perforated organic film carrier copper foil comprises an organic film layer, a transition metal layer, a copper foil layer and an oxide film, wherein micropores are formed in the organic film layer, the transition metal layer is arranged on the organic film layer, the copper foil layer is arranged on the transition metal layer, the oxide film is arranged on the copper foil layer, the organic film layer is insulated, and the micropores penetrate through the transition metal layer, the copper foil layer and the oxide film.
The aim of the utility model can be achieved by the following technical measures:
the thickness of the organic film layer is 3-100 mu m.
The thickness of the transition metal layer is 10-200nm.
The thickness of the copper foil layer is 1-10 mu m.
The upper surface and the lower surface of the organic film layer and the micropore surface are respectively provided with the transition metal layer, the copper foil layer and the oxide film in sequence.
The organic film layer is a PP organic film or a PET organic film or a PI organic film.
The pore diameter of the micropores is 30-500 mu m.
The aperture ratio of the micropores is 5 to 60 percent.
The transition metal layer is made of one or more of copper, nickel, chromium, nichrome, copper oxide, niobium oxide and the like.
The copper foil layer adopts acid copper plating, alkaline copper plating and chemical copper plating to prepare copper foil with required thickness, and meanwhile, oxidation resistance treatment is carried out on line, and the copper foil layer is subjected to water washing and drying until rolling.
The perforated organic film carrier copper foil has thin thickness and light weight, can be used as a negative electrode current collector of a lithium battery, can remarkably increase the energy density of the battery, compensates the problem of uneven coating, and is beneficial to saving the cost; meanwhile, the adoption of the insulating organic film intermediate carrier is beneficial to improving the safety of the lithium battery so as to meet the requirements of a negative current collector of the lithium battery. Compared with the prior art, the utility model has the following technical advantages:
The safety of the lithium battery is improved by adopting the insulating organic film as an intermediate carrier, so that the requirement of the negative electrode current collector of the lithium battery is met. The micropores are formed in the organic film layer, and the micropores are not sealed when the transition metal layer, the copper foil layer and the oxide film are plated, so that anchor-shaped adhesion formed among the pores of the foil can be realized, the two sides of the copper foil are conducted, the problem of inconsistent double-sided conductivity of the original PET/PP/PI film carrier copper foil is effectively solved, and meanwhile, the mesh-shaped copper foil structure improves the binding force of the organic film and the copper metal layer; the pores can increase the surface area, can accommodate more cathode materials and increase the capacitance of the lithium battery; the contact area of the porous copper foil and the anode material is increased, the viscosity of the copper foil and the anode material is improved, and the anode material can be prevented from falling off after the battery is charged and discharged, so that higher capacitance retention rate is obtained, and the service life of the battery is prolonged; meanwhile, the problem of uneven coating is solved, lithium ions can freely move between the two sides of the porous carrier copper foil by utilizing pores in the porous carrier copper foil, so that the lithium ions move from a concentration area to a sparse zone to compensate the problem of uneven coating, the perforated organic film carrier copper foil is thin in thickness and light in weight, and the basic performance and the use requirement of the electrolytic copper foil of a lithium battery are met; the lithium battery anode current collector can be used as a lithium battery anode current collector, and compared with a copper foil of the lithium battery with the same thickness, the lithium battery anode current collector has the advantages of reducing the weight by 40-65%, remarkably increasing the energy density of the battery and greatly saving the cost.
Drawings
Fig. 1 is a schematic structural view of a perforated organic film carrier copper foil according to an embodiment of the utility model.
Reference numerals illustrate:
1. An organic thin film layer; 2. a transition metal layer; 3. a copper foil layer; 4. an oxide film;
5. Micropores.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular forms also are intended to include the plural forms unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, and/or combinations thereof.
A perforated organic film carrier copper foil comprises an organic film layer, a transition metal layer, a copper foil layer and an oxide film,
The organic film layer is provided with micropores, and the aperture is 30-500 mu m; the transition metal layer is arranged on the organic film layer, and the thickness of the transition metal layer is 10-200nm; the copper foil layer is arranged on the transition metal layer, and the thickness of the copper foil layer is 1-10 mu m; the oxide film is arranged on the copper foil layer, wherein the micropores penetrate through the transition metal layer, the copper foil layer and the oxide film.
In some embodiments, the upper and lower surfaces and the microporous surface of the organic thin film layer are sequentially provided with a transition metal layer, a copper foil layer and an oxide film.
In some embodiments, the organic film layer is a PP organic film or a PET organic film or a PI organic film.
In some embodiments, the micropore size ranges from 30 to 500 microns and the open porosity ranges from 5% to 60%.
In some embodiments, the transition metal layer is made of one or more of copper, nickel, chromium, nichrome, copper oxide, niobium oxide, and the like.
In some embodiments, the copper foil layer adopts acid copper plating, alkaline copper plating and electroless copper plating to prepare copper foil with required thickness, and the copper foil is subjected to antioxidation treatment on line, and is washed with water and dried to be rolled.
The following are several embodiments of the utility model
Example 1
In a specific embodiment 1 to which the present utility model is applied, as shown in fig. 1, fig. 1 is a structural view of a perforated organic film carrier copper foil of the present utility model. Referring to fig. 1, a perforated organic film carrier copper foil includes an organic film layer 1, a transition metal layer 2, a copper foil layer 3 and an oxide film 4,
The organic film layer 1 is provided with micropores 5, and the aperture is 30-500 mu m; the transition metal layer 2 is arranged on the organic film layer 1 and has the thickness of 10-200nm; the copper foil layer 3 is arranged on the transition metal layer 2 and has a thickness of 1-10 mu m; the oxide film 4 is disposed on the copper foil layer 3, wherein the micropores 5 penetrate through the transition metal layer 2, the copper foil layer 3 and the oxide film 4.
Further, the upper and lower surfaces of the organic thin film layer 1 and the surface of the micro-holes 5 are respectively provided with a transition metal layer 2, a copper foil layer 3 and an oxide film 4 in sequence.
Further, the organic film layer 1 is a PP organic film or a PET organic film or a PI organic film.
Further, the pore diameter of the micropores 5 is in the range of 30 to 500 micrometers, and the aperture ratio is 5 to 60%.
Further, the material of the transition metal layer 2 is one or more of copper, nickel, chromium, nichrome, copper oxide, niobium oxide, etc.
Further, the copper foil layer adopts acid copper plating, alkaline copper plating and chemical copper plating to prepare copper foil with required thickness, and the copper foil is subjected to antioxidation treatment on line, and is subjected to water washing, drying and rolling.
The production method comprises the following steps:
① The PP organic film is selected, the thickness is 4.5 mu m, the width is 1000mm, and the length is 2000m.
② The PP film is subjected to micropore 5 by laser, the aperture is 100 microns, and the aperture ratio is 40%.
③ And (3) placing the organic film into a vacuum chamber of a roll-to-roll vacuum sputtering coating machine, adopting argon to carry out plasma surface treatment on the organic film, controlling the gas pressure to be 6 multiplied by 10 < -2 > Pa, and using the power of 1.1KW.
④ And (3) carrying out on-line heating and drying treatment on the organic film in a vacuum chamber, wherein the drying temperature is 60 ℃, so as to form the organic film layer 1.
⑤ Plating nickel and copper on the surface of the organic film and on the micropores 5 by magnetron sputtering in a vacuum chamber, controlling the vacuum degree to be 2 multiplied by 10 < -1 > -3 multiplied by 10 < -3 > Pa, the plating speed to be 2 meters/min, and the target current to be 11A, wherein the gas atmosphere is argon and oxygen; the transition metal layer 2 was formed, and the thickness of the transition metal layer 2 was 90nm.
⑥ The transition metal layer 2 is acid-electroplated with copper on a roll-to-roll horizontal electroplating line to form a copper foil layer 3, the thickness of the plating layer is 1.5 mu m, the plating speed is 5 m/min, the current is 1200A, the voltage is 5V, and meanwhile, the electroplating copper foil layer 3 is subjected to online antioxidation treatment to form an oxide film 4, and the oxide film is washed with water and dried until being rolled.
Example 2
In one embodiment 2 to which the present utility model is applied, a perforated organic film carrier copper foil includes an organic film layer 1, a transition metal layer 2, a copper foil layer 3 and an oxide film 4,
The thickness of the organic film layer 1 is 3 mu m, micropores 5 are formed, and the aperture is 30 mu m; the transition metal layer 2 is arranged on the organic film layer 1 and has the thickness of 10nm; the copper foil layer 3 is arranged on the transition metal layer 2 and has a thickness of 1 mu m; the oxide film 4 is disposed on the copper foil layer 3, wherein the micropores 5 penetrate through the transition metal layer 2, the copper foil layer 3 and the oxide film 4.
Further, the upper and lower surfaces of the organic thin film layer 1 and the surface of the micro-holes 5 are respectively provided with a transition metal layer 2, a copper foil layer 3 and an oxide film 4 in sequence.
Further, the organic film layer 1 is a PP organic film.
Further, the pore diameter range of the micropores 5 is 30 micrometers, and the aperture ratio is 5%.
Further, the material of the transition metal layer 2 is one or more of copper, nickel, chromium, nichrome, etc.
Further, the copper foil layer adopts acid copper plating, alkaline copper plating and chemical copper plating to prepare copper foil with required thickness, and the copper foil is subjected to antioxidation treatment on line, and is subjected to water washing, drying and rolling.
Example 3
In one embodiment 3 to which the present utility model is applied, a perforated organic film carrier copper foil comprising an organic film layer 1, a transition metal layer 2, a copper foil layer 3 and an oxide film 4,
The thickness of the organic film layer 1 is 100 mu m, micropores 5 are formed, and the aperture is 500 mu m; the transition metal layer 2 is arranged on the organic film layer 1 and has the thickness of 200nm; the copper foil layer 3 is arranged on the transition metal layer 2 and has a thickness of 10 mu m; the oxide film 4 is disposed on the copper foil layer 3, wherein the micropores 5 penetrate through the transition metal layer 2, the copper foil layer 3 and the oxide film 4.
Further, the upper and lower surfaces of the organic thin film layer 1 and the surface of the micro-holes 5 are respectively provided with a transition metal layer 2, a copper foil layer 3 and an oxide film 4 in sequence.
Further, the organic film layer 1 is a PET organic film.
Further, the pore diameter range of the micropores 5 is 500 micrometers, and the aperture ratio is 60%.
Further, the material of the transition metal layer 2 is one or more of nichrome, copper oxide, niobium oxide, and the like.
Further, the copper foil layer adopts acid copper plating, alkaline copper plating and chemical copper plating to prepare copper foil with required thickness, and the copper foil is subjected to antioxidation treatment on line, and is subjected to water washing, drying and rolling.
Example 4
In one embodiment 4 to which the present utility model is applied, a perforated organic film carrier copper foil comprising an organic film layer 1, a transition metal layer 2, a copper foil layer 3 and an oxide film 4,
The thickness of the organic film layer 1 is 50 mu m, micropores 5 are formed, and the aperture is 280 mu m; the transition metal layer 2 is arranged on the organic film layer 1, and the thickness is 100nm; the copper foil layer 3 is arranged on the transition metal layer 2 and has a thickness of 5 mu m; the oxide film 4 is disposed on the copper foil layer 3, wherein the micropores 5 penetrate through the transition metal layer 2, the copper foil layer 3 and the oxide film 4.
Further, the upper and lower surfaces of the organic thin film layer 1 and the surface of the micro-holes 5 are respectively provided with a transition metal layer 2, a copper foil layer 3 and an oxide film 4 in sequence.
Further, the organic film layer 1 is a PI organic film.
Further, the pore diameter range of the micropores 5 is 280 micrometers, and the aperture ratio is 35%.
Further, the material of the transition metal layer 2 is one or more of copper, nickel, chromium, niobium oxide, etc.
Further, the copper foil layer adopts acid copper plating, alkaline copper plating and chemical copper plating to prepare copper foil with required thickness, and the copper foil is subjected to antioxidation treatment on line, and is subjected to water washing, drying and rolling.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but although the present utility model has been described in detail with reference to the foregoing embodiment, it will be apparent to those skilled in the art that modifications may be made to the technical solution described in the foregoing embodiment, or equivalents may be substituted for some of the technical features thereof. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Other than the technical features described in the specification, all are known to those skilled in the art.
Claims (9)
1. The perforated organic film carrier copper foil is characterized by comprising an organic film layer, a transition metal layer, a copper foil layer and an oxide film, wherein micropores are formed in the organic film layer, the transition metal layer is arranged on the organic film layer, the copper foil layer is arranged on the transition metal layer, the oxide film is arranged on the copper foil layer, the organic film layer is insulated, and the micropores penetrate through the transition metal layer, the copper foil layer and the oxide film.
2. The perforated organic film carrier copper foil according to claim 1, wherein the organic film layer has a thickness of 3 to 100 μm.
3. The perforated organic thin film carrier copper foil according to claim 1, wherein the thickness of the transition metal layer is 10-200nm.
4. The perforated organic film carrier copper foil according to claim 1, wherein the copper foil layer has a thickness of 1 to 10 μm.
5. The perforated organic film carrier copper foil according to claim 1, wherein the transition metal layer, the copper foil layer, and the oxide film are provided on the upper and lower surfaces of the organic film layer and the microporous surface in this order.
6. The perforated organic film carrier copper foil according to claim 1, wherein the organic film layer is a PP organic film or a PET organic film or a PI organic film.
7. The perforated organic film carrier copper foil according to claim 1, wherein the micropores have a pore size of 30 to 500 μm.
8. The perforated organic film carrier copper foil according to claim 1, wherein the open porosity of the micropores is 5% to 60%.
9. The perforated organic film carrier copper foil according to claim 1, wherein the copper foil layer is prepared into a copper foil with a required thickness by adopting an acid copper plating method, an alkaline copper plating method and an electroless copper plating method, and simultaneously, the copper foil is subjected to oxidation resistance treatment on line, and is subjected to water washing and drying until being wound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322543931.3U CN220984563U (en) | 2023-09-19 | 2023-09-19 | Perforated organic film carrier copper foil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322543931.3U CN220984563U (en) | 2023-09-19 | 2023-09-19 | Perforated organic film carrier copper foil |
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| Publication Number | Publication Date |
|---|---|
| CN220984563U true CN220984563U (en) | 2024-05-17 |
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|---|---|---|---|
| CN202322543931.3U Active CN220984563U (en) | 2023-09-19 | 2023-09-19 | Perforated organic film carrier copper foil |
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| Country | Link |
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| CN (1) | CN220984563U (en) |
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- 2023-09-19 CN CN202322543931.3U patent/CN220984563U/en active Active
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