CN110216165A - A kind of ultra-thin type double face photoelectron copper foil and preparation method thereof - Google Patents
A kind of ultra-thin type double face photoelectron copper foil and preparation method thereof Download PDFInfo
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- CN110216165A CN110216165A CN201910476341.9A CN201910476341A CN110216165A CN 110216165 A CN110216165 A CN 110216165A CN 201910476341 A CN201910476341 A CN 201910476341A CN 110216165 A CN110216165 A CN 110216165A
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- copper foil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
Abstract
A kind of ultra-thin type double face photoelectron copper foil and preparation method thereof, copper foil is made of according to weight percent the following raw material: Fe0.1-0.15%, Sn0.008-0.009%, P0045-0.0065%, the whole all Cu of surplus；A kind of preparation method of ultra-thin type double face photoelectron copper foil, includes the following steps, step 1, ingredient；Step 2, melting casting；Step 3, vehicle roll annealing；Step 4, polishing cutting；Step 5, passivation；Step 6, packaging；The electronics copper foil and preparation method thereof, trace iron, tin and P elements are added in the inside of copper foil, opposite improve with traditional copper foil draws Qiang Qiangdu, improves softening temperature and conductivity, conducive to the use of later period high pressure lithium battery etc., the preparation method of copper foil is standardized, wherein the fusion processing method of iron, tin and P elements is relatively simple and cost is relatively low, is formed by multiple step format cold rolling, makes the thinner conjunction of copper thickness under the premise of guaranteeing copper foil intensity.
Description
Technical field
The present invention relates to photoelectron copper foil technical field, specially a kind of ultra-thin type double face photoelectron copper foil and its preparation side
Method.
Background technique
Lithium ion battery is global Devoting Major Efforts To Developing, advocates the clean energy used, with the hair of electrical source of power technology
Exhibition, lithium ion battery are widely used；Wherein two-sided photoelectron copper foil is that the cathode production of high-quality lithium ion battery is closed
Key material, had not only served as the carrier of negative electrode active material in the battery, but also served as collection and the transmission body of cathode electron stream, quality
Superiority and inferiority directly affect the manufacture craft and comprehensive performance of lithium battery；But the inside of existing two-sided photoelectron copper foil is mainly
Copper does not standardize the alloying element inside copper foil, so that existing copper foil draws Qiang Qiangdu, softening temperature and conductance
Rate is lower, and electronics copper thickness in the market is relatively thick, is unfavorable for the use of later period lithium ion battery, wherein the system of copper foil
Preparation Method is relatively simple, is not standardized, and can not easily carry out the fusion of alloying element, and cost is relatively low, it cannot be guaranteed that
Copper thickness it is frivolous.
Summary of the invention
The purpose of the present invention is to provide a kind of ultra-thin type double face photoelectron copper foils and preparation method thereof, to solve above-mentioned back
The problem of being proposed in scape technology.
In order to solve the above technical problem, the present invention provides following technical solutions: a kind of ultra-thin type double face photoelectron copper foil,
According to weight percent, it is made of the following raw material: Fe0.1-0.15%, Sn0.008-0.009% and P0045-0.0065%, it is whole
The all Cu of surplus.
A kind of preparation method of ultra-thin type double face photoelectron copper foil, includes the following steps, step 1, ingredient；Step 2 melts
Melt casting；Step 3, vehicle roll annealing；Step 4, polishing cutting；Step 5, passivation；Step 6, packaging；
Wherein in above-mentioned steps one, by weight percentage according to following components: Fe0.1-0.15%, Sn0.008-0.009% and
P0045-0.0065%, the whole all Cu of surplus, according to the ratio weighs iron, tin, phosphor-copper and tough cathode respectively；
Wherein in above-mentioned steps two, tough cathode weighed in step 1 is added in melting furnace, is heated up and is melted by melting furnace
Tough cathode sequentially adds iron, tin and phosphor-copper and carries out that melting is sufficiently stirred, then will be after melting after temperature reaches 1200 °C
Copper water is transported in holding furnace by body furnace unicom pipeline, then carries out cast into a base, base to copper water by continuous drawing casting machine
Specification be 20mm × 400mm；
Wherein in above-mentioned steps three, adds people into 4-roller cold rolling mill drawing casting rod blank obtained in step 2, pass through four-roller cold rolling
Machine base is successively carried out roughing, in roll and finish rolling, and base carry out each secondary cold rolling after annealed and cleaned；
Wherein in above-mentioned steps four, the base after progress finish rolling in step 3 is passed through into the throwing that polishing machine carries out each surface of a base
Base is divided into the copper foil of different in width by light according to customer demand by cutting machine after a polish, passes through throwing again after singulation
Ray machine polishes cut-off part；
Wherein in above-mentioned steps five, the copper foil divided in step 4 leaching is set in passivating solution dilution, is impregnated 3-5 minutes
After take out, then drying is carried out to copper foil surface by dryer or is dried by room temperature；
Wherein in above-mentioned steps six, the copper foil after Passivation Treatment is subjected to moisture-proof, anticollision and is packed.
According to the above technical scheme, stirring 20 minutes is needed in the step 2 after iron is added, melts iron sufficiently, then plus
Stirring 10 minutes is needed after entering tin, melts tin sufficiently, adding phosphor-copper need to stir 20 minutes, melt phosphor-copper sufficiently.
According to the above technical scheme, after copper water sufficiently melts in the step 2, spectrum analysis can be done by sampling, to copper
Hydrochemical Composition ratio whether analyzed by qualification.
According to the above technical scheme, a base need to be milled by Milling Machine in cast at the base later period in the step 2
Face, obtained base specification are 18mm × 400mm.
According to the above technical scheme, in the step 3 first time roughing by 10 passes to 1mm × 400mm, second
It is rolled in secondary by 5 passes to 0.1mm × 400mm, third time finish rolling is by 3 passes to 0.03mm × 400mm, and four-roller is cold
The front and back tension 160-180N of milling train.
According to the above technical scheme, after passivating solution dilution is by diluting Q/YS.104 with clean water in the step 5
It uses, the proportion of product and water is 1: 15.
According to the above technical scheme, the temperature dried in the step 5 is 70 DEG C, and the time dried is 5 minutes.
Compared with prior art, the beneficial effects obtained by the present invention are as follows being: the invention is added micro in the inside of copper foil
Iron, tin and P elements, opposite improve with traditional copper foil draw Qiang Qiangdu, improve softening temperature and conductivity, are conducive to the later period
The use of high pressure lithium battery etc. standardizes the preparation method of copper foil, wherein the fusion processing side of iron, tin and P elements
Method is relatively simple and cost is relatively low, is formed by multiple step format cold rolling, keeps copper thickness thinner under the premise of guaranteeing copper foil intensity
It closes, improves the service life of copper foil.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is flow chart of the method for the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of ultra-thin type double face photoelectron copper foil, according to weight hundred
Divide ratio, be made of the following raw material: Fe0.1-0.15%, Sn0.008-0.009% and P0045-0.0065%, whole surplus are all
Cu。
A kind of preparation method of ultra-thin type double face photoelectron copper foil, includes the following steps, step 1, ingredient；Step 2 melts
Melt casting；Step 3, vehicle roll annealing；Step 4, polishing cutting；Step 5, passivation；Step 6, packaging；
Wherein in above-mentioned steps one, by weight percentage according to following components: Fe0.1-0.15%, Sn0.008-0.009% and
P0045-0.0065%, the whole all Cu of surplus, according to the ratio weighs iron, tin, phosphor-copper and tough cathode respectively；
Wherein in above-mentioned steps two, tough cathode weighed in step 1 is added in melting furnace, is heated up and is melted by melting furnace
Tough cathode sequentially adds iron, tin and phosphor-copper and carries out that melting is sufficiently stirred, then will be after melting after temperature reaches 1200 °C
Copper water is transported in holding furnace by body furnace unicom pipeline, then carries out cast into a base, base to copper water by continuous drawing casting machine
Specification be 20mm × 400mm；Stirring 20 minutes is needed in step 2 after iron is added, iron is melted sufficiently, is needed after adding tin
Stirring 10 minutes, melts tin sufficiently, adding phosphor-copper need to stir 20 minutes, melt phosphor-copper sufficiently, keep iron, tin and phosphor-copper complete
Full melting is into copper；After copper water sufficiently melts in step 2, spectrum analysis can be done by sampling, to copper water chemical component ratio
Whether qualification is analyzed, and guarantees the specification of alloying element ratio in copper foil；It need to pass through in cast at a base later period in step 2
Milling Machine carries out milling face to base, and obtained base specification is 18mm × 400mm, makes to carry out a base preliminary surface treatment；
Wherein in above-mentioned steps three, adds people into 4-roller cold rolling mill drawing casting rod blank obtained in step 2, pass through four-roller cold rolling
Machine base is successively carried out roughing, in roll and finish rolling, and base carry out each secondary cold rolling after annealed and cleaned；In step 3
First time roughing to 1mm × 400mm, is rolled in second by 5 passes to 0.1mm × 400mm, third time by 10 passes
By 3 passes to 0.03mm × 400mm, and the front and back tension 160-180N of 4-roller cold rolling mill passes through the cold rolling of distribution for finish rolling
Realize the cold rolling molding of copper foil；
Wherein in above-mentioned steps four, the base after progress finish rolling in step 3 is passed through into the throwing that polishing machine carries out each surface of a base
Base is divided into the copper foil of different in width by light according to customer demand by cutting machine after a polish, passes through throwing again after singulation
Ray machine polishes cut-off part；
Wherein in above-mentioned steps five, the copper foil divided in step 4 leaching is set in passivating solution dilution, is impregnated 3-5 minutes
After take out, then drying is carried out to copper foil surface by dryer or is dried by room temperature；Passivating solution dilution passes through in step 5
It is used after Q/YS.104 is diluted with clean water, the proportion of product and water is 1: 15, carries out copper foil table by passivating solution dilution
The passivation in face；The temperature dried in step 5 is 70 DEG C, and the time dried is 5 minutes, the passivation to copper foil surface after passivation
Liquid dilution carries out drying removal；
Wherein in above-mentioned steps six, the copper foil after Passivation Treatment is subjected to moisture-proof, anticollision and is packed.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (8)
1. a kind of ultra-thin type double face photoelectron copper foil, it is characterised in that: according to weight percent, be made of the following raw material:
Fe0.1-0.15%, Sn0.008-0.009% and P0045-0.0065%, the whole all Cu of surplus.
2. a kind of preparation method of ultra-thin type double face photoelectron copper foil, includes the following steps, step 1, ingredient；Step 2, melting
Casting；Step 3, vehicle roll annealing；Step 4, polishing cutting；Step 5, passivation；Step 6, packaging；It is characterized by:
Wherein in above-mentioned steps one, by weight percentage according to following components: Fe0.1-0.15%, Sn0.008-0.009% and
P0045-0.0065%, the whole all Cu of surplus, according to the ratio weighs iron, tin, phosphor-copper and tough cathode respectively；
Wherein in above-mentioned steps two, tough cathode weighed in step 1 is added in melting furnace, is heated up and is melted by melting furnace
Tough cathode sequentially adds iron, tin and phosphor-copper and carries out that melting is sufficiently stirred, then will be after melting after temperature reaches 1200 °C
Copper water is transported in holding furnace by body furnace unicom pipeline, then carries out cast into a base, base to copper water by continuous drawing casting machine
Specification be 20mm × 400mm；
Wherein in above-mentioned steps three, adds people into 4-roller cold rolling mill drawing casting rod blank obtained in step 2, pass through four-roller cold rolling
Machine base is successively carried out roughing, in roll and finish rolling, and base carry out each secondary cold rolling after annealed and cleaned；
Wherein in above-mentioned steps four, the base after progress finish rolling in step 3 is passed through into the throwing that polishing machine carries out each surface of a base
Base is divided into the copper foil of different in width by light according to customer demand by cutting machine after a polish, passes through throwing again after singulation
Ray machine polishes cut-off part；
Wherein in above-mentioned steps five, the copper foil divided in step 4 leaching is set in passivating solution dilution, is impregnated 3-5 minutes
After take out, then drying is carried out to copper foil surface by dryer or is dried by room temperature；
Wherein in above-mentioned steps six, the copper foil after Passivation Treatment is subjected to moisture-proof, anticollision and is packed.
3. a kind of preparation method of ultra-thin type double face photoelectron copper foil according to claim 2, it is characterised in that: the step
Stirring 20 minutes is needed in rapid two after iron is added, melts iron sufficiently, needs stirring 10 minutes after adding tin, keeps tin sufficiently molten
Solution, adding phosphor-copper need to stir 20 minutes, melt phosphor-copper sufficiently.
4. a kind of preparation method of ultra-thin type double face photoelectron copper foil according to claim 2, it is characterised in that: the step
After copper water sufficiently melts in rapid two, spectrum analysis can be done by sampling, whether qualification is analyzed to copper water chemical component ratio.
5. a kind of preparation method of ultra-thin type double face photoelectron copper foil according to claim 2, it is characterised in that: the step
Milling face need to be carried out to base by Milling Machine at the base later period in cast in rapid two, obtained base specification is 18mm × 400mm.
6. a kind of preparation method of ultra-thin type double face photoelectron copper foil according to claim 2, it is characterised in that: the step
First time roughing is rolled in second by 5 passes to 0.1mm × 400mm by 10 passes to 1mm × 400mm in rapid three,
Third time finish rolling by 3 passes to 0.03mm × 400mm, and the front and back tension 160-180N of 4-roller cold rolling mill.
7. a kind of preparation method of ultra-thin type double face photoelectron copper foil according to claim 2, it is characterised in that: the step
For passivating solution dilution by using after diluting Q/YS.104 with clean water, the proportion of product and water is 1: 15 in rapid five.
8. a kind of preparation method of ultra-thin type double face photoelectron copper foil according to claim 2, it is characterised in that: the step
The temperature dried in rapid five is 70 DEG C, and the time dried is 5 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910476341.9A CN110216165A (en) | 2019-06-03 | 2019-06-03 | A kind of ultra-thin type double face photoelectron copper foil and preparation method thereof |
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| CN201910476341.9A CN110216165A (en) | 2019-06-03 | 2019-06-03 | A kind of ultra-thin type double face photoelectron copper foil and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115921571A (en) * | 2022-12-19 | 2023-04-07 | 富威科技（吴江）有限公司 | Rolled copper foil and manufacturing method thereof |
-
2019
- 2019-06-03 CN CN201910476341.9A patent/CN110216165A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115921571A (en) * | 2022-12-19 | 2023-04-07 | 富威科技（吴江）有限公司 | Rolled copper foil and manufacturing method thereof |
| CN115921571B (en) * | 2022-12-19 | 2024-01-09 | 江苏富威科技股份有限公司 | Rolled copper foil manufacturing method and rolled copper foil |
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Application publication date: 20190910 |
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