CN106544703A - Perforation Copper Foil foil machine and its production technology - Google Patents
Perforation Copper Foil foil machine and its production technology Download PDFInfo
- Publication number
- CN106544703A CN106544703A CN201610651786.2A CN201610651786A CN106544703A CN 106544703 A CN106544703 A CN 106544703A CN 201610651786 A CN201610651786 A CN 201610651786A CN 106544703 A CN106544703 A CN 106544703A
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- copper foil
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Classifications
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/04—Wires; Strips; Foils
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/08—Perforated or foraminous objects, e.g. sieves
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/10—Moulds; Masks; Masterforms
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/10—Electrodes, e.g. composition, counter electrode
- C25D17/12—Shape or form
Abstract
The invention discloses a kind of perforation Copper Foil foil machine, including frame, the electrolysis bath being positioned in frame, the positive plate being arranged in electrolysis bath, cathode roll and wrap-up, point-like is provided with the cathode roll raised.The invention also discloses a kind of perforation Copper Foil production technology.The present invention using said structure perforation Copper Foil foil machine and its production technology, can straight forming perforation copper foil structure, reduce Copper Foil molding after secondary punch processing technique, lower manufacturing cost, reduce waste of material, compare traditional handicraft more environmentally-friendly.
Description
Technical field
The present invention relates to a kind of foil machine and its production technology, more particularly, to a kind of perforation Copper Foil foil machine and its production
Technique.
Background technology
In recent years, the fluctuation of oil price brings many negative effects to countries in the world economic development, to new energy
The research in source is all the more paid attention to by various circles of society.High power capacity power lithium-ion battery is by its unit cells running voltage height, ratio
Energy is big, have extended cycle life, memory-less effect, small volume, light weight many advantages, such as, by the common concern in market, its city
Field prospect is very wide.Global lithium ion battery yield reaches 45.13 hundred million within 2011, it is contemplated that annual with 16.57% speed
Grow steadily, although notebook, the demand such as digital camera stops increasing, but battery of mobile phone, portable power source demand growth ratio is big,
In addition electric tool, industry high-endization for developing also drive lithium ion battery of new-energy automobile, magnify, with lithium-ion electric
Continuous expansion of the pond in every field, the lithium electrolytic copper paper tinsel market demand increase therewith and expand.Copper Foil mainly have rolled copper foil and
Two kinds of electrolytic copper foil, is widely used in the electronics industry.The development of industry rolled copper foil now is limited by the control of foreign technology,
And it is relatively costly, it is impossible to the higher electrolytic copper foil of cost performance is generally used in breakthrough development, industry.
Copper Foil carries chemical change, electron transfer etc. as the carrier element of the chemical material system of lithium ion battery
Various functions.And against the background of the prior art, the monomer capacity density of lithium ion battery cannot meet sending out for existing market
Exhibition, it is necessary to the current industrial structure is updated by new high capacity lithium ion battery, perforation Copper Foil fills negative pole material in through hole
Material, physically increases negative material and smears space, to increase electronics receiving space to greatest extent, increase battery capacity, to make
User lifts battery capacity in unit volume, continues new-energy automobile increase by 25% in the case where keeping car body weight constant
Boat ability, provides longer use time for hand-hold electronic equipments, reduces charging times, reduces small product size.
At present industry Copper Foil perforation relies on laser micropore, and realizing, laser micropore efficiency is low, molding for the mode of chemical attack
Face is poor, is unfavorable for electron transfer；And the mode of chemical attack is high to realize its manufacturing cost, and the original protective layer of Copper Foil
Electric conductivity, non-oxidizability, bendability all receive destruction, and bending resistance, electric conductivity are poor.
The content of the invention
It is an object of the invention to provide a kind of perforation Copper Foil foil machine and its production technology, being capable of straight forming perforation Copper Foil
Structure, reduces the secondary punch processing technique after Copper Foil molding, lowers manufacturing cost, reduces waste of material, compares traditional work
Skill is more environmentally-friendly.
A kind of perforation Copper Foil foil machine, including frame, the electrolysis bath being positioned in frame, the anode being arranged in electrolysis bath
Plate, cathode roll and wrap-up, are provided with point-like raised on the cathode roll.
Preferably, the cathode roll includes roll body, and the outer surface of the roll body is uniformly machined with cylindrical inner groovy, described
Point-like is provided with inner groovy raised, the point-like projects through steel healant bonding.
Preferably, the raised lower section of the point-like is cylinder, and top is spherical.
Preferably, the point-like projection material is natural quartz or natural water spar, and the roll body is stainless steel.
Preferably, the internal diameter of the inner groovy is 0.09 millimeter, and the adjacent indent separation is 0.1 millimeter, the point
It is highly 0.09 millimeter that shape projection exposes the cylindrical section of the roll body outer surface.
Present invention also offers a kind of perforation Copper Foil production technology, comprises the steps,
Dissolving：Copper material, aqueous sulfuric acid are reacted in pot for smelted copper, adjusts to form electrolyte with temperature through filtering；
Electrolysis, will enter in the perforation Copper Foil foil machine described in electrolyte injection claim 1-5 made by dissolving step
Row is electrolysed, and by adopting with the raised cathode roll of the point-like, in electrolytic process, copper ion constantly adsorbs in cathode roll
On, perforation Copper Foil is directly formed, and makes Copper Foil volume；
Surface treatment, the perforation Copper Foil formed in electrolysis step volume is cleared up, and carries out roughening treatment successively, at solidification
Reason, plating dissimilar metal, anti-oxidation process, film and drying, make copper foil surface form layer protecting film；
Perforation Copper Foil volume after surface treated is cut into the perforation Copper Foil volume of one fixed width by cutting；
Cutting or wind, by after cutting perforation Copper Foil cut roll into etc. big cutting Copper Foil or winding formed paper tinsel volume.
Preferably, the uniform dense distribution of hole that Copper Foil of boring a hole described in the electrolysis step is formed is in the perforation Copper Foil
On.
Therefore, perforation Copper Foil foil machine and its production technology of the present invention using said structure, being capable of straight forming perforation
Copper foil structure, reduces the secondary punch processing technique after Copper Foil molding, lowers manufacturing cost, reduces waste of material, compares biography
System technique is more environmentally-friendly.
Below by drawings and Examples, technical scheme is described in further detail.
Description of the drawings
Fig. 1 is the structural representation of present invention perforation Copper Foil foil machine embodiment；
Fig. 2 is the mplifying structure schematic diagram of the outer surface of cathode roll described in present invention perforation Copper Foil foil machine embodiment；
Fig. 3 is the flow chart of the production technology embodiment of present invention perforation Copper Foil；
Fig. 4 be present invention perforation Copper Foil production technology embodiment in obtained perforation Copper Foil structural representation；
Fig. 5 be present invention perforation Copper Foil production technology embodiment described in bore a hole Copper Foil smear after negative material with tradition
The comparison structure schematic diagram of structure.
Wherein：1st, frame；2nd, electrolysis bath；3rd, positive plate；4th, cathode roll；5th, wrap-up.
Specific embodiment
Following examples combine accompanying drawing and the present invention are described further, it should be noted that the present invention is with this technology side
Premised on case, detailed embodiment and specific operating process are given, but protection scope of the present invention is not limited to this reality
Apply example.
Fig. 1 is the structural representation of present invention perforation Copper Foil foil machine embodiment, and Fig. 2 is present invention perforation Copper Foil foil machine
The mplifying structure schematic diagram of the outer surface of cathode roll described in embodiment, Fig. 3 are that the production technology of present invention perforation Copper Foil is implemented
The flow chart of example, Fig. 4 be present invention perforation Copper Foil production technology embodiment in obtained perforation Copper Foil structural representation, figure
Copper Foil of boring a hole described in the 5 production technology embodiments for present invention perforation Copper Foil smears the contrast after negative material with traditional structure
Structural representation, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, the present invention relates to hole Copper Foil foil machine includes frame 1, is positioned over
Electrolysis bath 2, the positive plate 3 being arranged in electrolysis bath 2, cathode roll 4 and wrap-up 5 in frame 1, cathode roll 4 include roller
Body, roll body is stainless steel, and the outer surface of roll body is uniformly machined with cylindrical inner groovy, and the internal diameter of inner groovy is 0.09 milli
Rice, the adjacent indent separation are 0.1 millimeter.Point-like is provided with inner groovy raised, point-like projects through steel healant
Bonding, lower section are cylinder, top for spherical, from 1-3 level particle size ranges 1-0.5mm, 0.5-0.1mm, 0.1-0.01mm or
0.01-0.005mm, material are natural quartz or natural water spar, and point-like projection is exposed the cylindrical section of roll body outer surface and is highly
0.09 millimeter, with strong acid and CuSO4The characteristics of not producing chemical reaction in the case of energization, is provided simultaneously with good insulation
Property, therefore uniform, smooth, tiny Copper Foil aperture is obtained.
According to perforation Copper Foil foil machine, its technological process of production is as follows：
New Copper Foil piercing process, in order including dissolution process, electrowinning process, surface treatment procedure, cutting operation, cuts
Cut operation.Concrete process is as follows：Dissolution process：First by copper purity more than 99.95% and meet No. one in national standard
Sulphuric acid of the copper material that copper is required with purity more than 95% is dissolved in the filling of molten copper, while adding deionization into the filling of molten copper
Water and the compressed air for blasting cleaning, using deionized water, are mainly used in the supplement initially with the liquid measure consumption in liquid and production,
Cause pole plate self discharge and local corrosion containing impurity in avoiding electrolyte, the compressed air master for blasting cleaning there are two will make
With one is supplied with oxygen, with the oxygen for promoting to have abundance in pot for smelted copper, aoxidizes copper, reaches the purpose of dissolving copper；Two has been stirring
Effect, promotes copper liquid flowing in pot for smelted copper, improves molten copper speed, and in a heated condition, temperature is generally kept in 50 DEG C to 90 DEG C
Between, most preferably it is maintained between 80 DEG C to 85 DEG C, carries out reaction 2Cu+O2+2H2S04=2CuS04+2H20, the CuSO of generation4Water
Solution C u2+Mix into original fluid container with lean copper electrolyte when concentration reaches 120g/L to 150g/L, then again through a series of work
Property charcoal filtration, mechanical filter, temperature adjustment etc. after process, free from foreign meter, temperature suitable electrolyte is sent in foil machine.So
Electrowinning process is entered afterwards：After energization, will be electrolysed in electrolyte injection perforation Copper Foil foil machine made by dissolving step, led to
Cathode roll controller in the case of electricity, control cathode roll 4 are powered and rotate, and in electrolysis bath 2, copper-bath produces chemical change, because of life
Cathode roll 4 in paper tinsel machine is for stainless steel and surface is provided with point-like projection, so in electrolytic process, Cu2+Constantly it is reduced,
And adsorb on the stainless surface of cathode roll 4, and point-like projection is evenly distributed on cathode roll 4, point-like projection adopts grain
Non-conductive high-purity quartz material and 1-3 of the degree scope for 1-0.5mm, 0.5-0.1mm, 0.1-0.01mm or 0.01-0.005mm
Level mineral crystal it is made of stones into, and point-like projection to expose the cylindrical section of roll body outer surface be highly 0.09 millimeter, because of the raised tool of point-like
There is good insulating properties and chemical reaction does not occur with electrolyte, do not adsorb copper ion, therefore prolongation over time, made by
Copper foil surface occurs because of the raised presence of point-like, and intensive and uniform aperture, most end form occurs after logical copper foil stripping machine
Into perforation Copper Foil, Copper Foil volume is then scraped and is made with scraper plate.And to keep electrolyte Cu2+Concentration in 70g/L extremely
Between 100g/L, the lean copper electrolyte of formation is mixed with the electrolyte of high concentration in being back to original fluid container, then through one is again
After the processes such as the filtration of row activated carbon, mechanical filter, temperature adjustment, formed during new electrolyte flows into foil machine and be electrolysed, so
Constantly circulate, to ensure electrolyte Cu2+Concentration is between 70g/L to 100g/L.And then Copper Foil volume of boring a hole to made by carries out table
Face treatment process：Copper Foil volume of boring a hole made by electrolysis step be cleared up, i.e., using aqueous solutions such as sulphuric acid, hydrogen peroxide or which is mixed
Heshui solution removes Copper Foil volume surface oxidation and carries out etch to surface.Then roughening treatment, cured, plating are carried out successively
Dissimilar metal, anti-oxidation process, film and drying.Roughening treatment：Acidic electrolysis technology mode, i.e. Copper Foil volume is used to be negative electrode,
Carry out electro-deposition several times, and electrolyte controlled making it have relatively low copper content and higher containing in the electrolyte of copper sulfate
, by electrolysis, there is copper deposition in Copper Foil volume surface (negative electrode), in the firm granular and dendroid that surface is formed in acid amount
Crystallization has the matsurface of higher expansion degree, can reach high-specific surface area, and this just strengthens the attachment inlay resultant force of resin infiltration, may be used also
Increase the chemical affinity of copper and resin.Cured：The tumor body for making Copper Foil volume surface production loose, is then solidified, is made
Roughening tumor body is surrounded and is reinforced by normal copper coating, roughened layer is firmly combined with Copper Foil matrix, forms final roughening
Layer.And electroplate dissimilar metal and plate one layer of other metal again in Copper Foil volume roughening aspect, copper surface is not directly connect with base material
Touch, make Copper Foil formed one layer of barrier layer, to improve anti-aging capability of the Copper Foil in natural air, make Copper Foil will not because directly with
Air contact and oxidation stain, while also improving the thermostability of Copper Foil, it is ensured that the shelf life of Copper Foil.Coating problems：I.e.
The surface spraying silane after anti-oxidation process, on the one hand can improve the oxidation resistance under Copper Foil room temperature, on the other hand in high temperature
During pressing plate, silane can make Copper Foil and resin base material combine more preferably by being coupled, and improve peel strength.Drying：It is being not less than 100
Copper Foil volume is dried at a high temperature of at DEG C, the harm for preventing residual moisture to roll up Copper Foil, but temperature is also unsuitable when drying
It is too high.Cutting operation：The above-mentioned perforation Copper Foil volume handled well is cut into using cutting machine by one fixed width according to the demand of client
Perforation Copper Foil volume.Finally carry out cutting process, by cutting after above-mentioned perforation Copper Foil cut roll into etc. big perforation copper foil.
Therefore, perforation Copper Foil foil machine and its production technology of the present invention using said structure, being capable of straight forming perforation
Copper foil structure, reduces the secondary punch processing technique after Copper Foil molding, lowers manufacturing cost, reduces waste of material, compares biography
System technique is more environmentally-friendly.
Finally it should be noted that：Above example only to illustrate technical scheme rather than be limited,
Although being described in detail to the present invention with reference to preferred embodiment, it will be understood by those within the art that：Its according to
So technical scheme can be modified or equivalent, and these modifications or equivalent can not also make to repair
Technical scheme after changing departs from the spirit and scope of technical solution of the present invention.
Claims (7)
1. a kind of perforation Copper Foil foil machine, including frame, the electrolysis bath being positioned in frame, the anode being arranged in electrolysis bath
Plate, cathode roll and wrap-up, it is characterised in that：Point-like is provided with the cathode roll raised.
2. it is according to claim 1 perforation Copper Foil foil machine, it is characterised in that：The cathode roll includes roll body, the roller
The outer surface of body is uniformly machined with cylindrical inner groovy, and point-like projection is provided with the inner groovy, and the point-like is projected through
Steel healant bonding.
3. it is according to claim 2 perforation Copper Foil foil machine, it is characterised in that：The raised lower section of the point-like is cylinder,
Top is spherical.
4. it is according to claim 3 perforation Copper Foil foil machine, it is characterised in that：The point-like projection material is natural quartz
Or natural water spar, the roll body is stainless steel.
5. it is according to claim 4 perforation Copper Foil foil machine, it is characterised in that：The internal diameter of the inner groovy is 0.09 milli
Rice, the adjacent indent separation are 0.1 millimeter, and the point-like projection is exposed the cylindrical section of the roll body outer surface and is highly
0.09 millimeter.
6. the perforation Copper Foil production technology of the perforation Copper Foil foil machine described in a kind of use the claims 1-5, its feature exists
In, comprise the steps,
Dissolving：Copper material, aqueous sulfuric acid are reacted in pot for smelted copper, adjusts to form electrolyte with temperature through filtering；
Electrolysis, will carry out electricity in the perforation Copper Foil foil machine described in electrolyte injection claim 1-5 made by dissolving step
Solve, by adopting with the raised cathode roll of the point-like, in electrolytic process, copper ion constantly adsorbs on cathode roll, directly
Connect to form perforation Copper Foil, and make Copper Foil volume；
Surface treatment, by the perforation Copper Foil formed in electrolysis step volume cleared up, carry out successively roughening treatment, cured,
Plating dissimilar metal, anti-oxidation process, film and drying, make copper foil surface form layer protecting film；
Perforation Copper Foil volume after surface treated is cut into the perforation Copper Foil volume of one fixed width by cutting；
Cutting or wind, by after cutting perforation Copper Foil cut roll into etc. big cutting Copper Foil or winding formed paper tinsel volume.
7. a kind of new Copper Foil piercing process according to claim 6, it is characterised in that：Wear described in the electrolysis step
The uniform dense distribution of hole that hole Copper Foil is formed is on the perforation Copper Foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610651786.2A CN106544703A (en) | 2016-08-10 | 2016-08-10 | Perforation Copper Foil foil machine and its production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610651786.2A CN106544703A (en) | 2016-08-10 | 2016-08-10 | Perforation Copper Foil foil machine and its production technology |
Publications (1)
| Publication Number | Publication Date |
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| CN106544703A true CN106544703A (en) | 2017-03-29 |
Family
ID=58367825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610651786.2A Pending CN106544703A (en) | 2016-08-10 | 2016-08-10 | Perforation Copper Foil foil machine and its production technology |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107779917A (en) * | 2017-09-21 | 2018-03-09 | 河南理工大学 | A kind of manufacturing process of thin-walled cylinder |
| CN108060437A (en) * | 2018-02-05 | 2018-05-22 | 广东嘉元科技股份有限公司 | A kind of copper foil production cutting integrated production line |
| CN108085719A (en) * | 2018-02-05 | 2018-05-29 | 广东嘉元科技股份有限公司 | A kind of copper foil produces cutting integrated machine |
| CN108330489A (en) * | 2018-04-20 | 2018-07-27 | 云南惠铜新材料科技有限公司 | A kind of smoothed profile copper foil surface coarsing processing method |
| CN108649183A (en) * | 2018-05-14 | 2018-10-12 | 山东金宝电子股份有限公司 | A kind of preparation method of negative electrode of lithium ion battery collector micropore copper foil |
| CN108673633A (en) * | 2018-04-28 | 2018-10-19 | 郑玉祥 | A kind of working method of the post-processing split air conditioner with robot for punching |
| CN109853015A (en) * | 2017-11-30 | 2019-06-07 | Ykk株式会社 | Plating guide wheel and plating equipment with it |
| CN110029373A (en) * | 2019-05-24 | 2019-07-19 | 山东金宝电子股份有限公司 | A kind of compound additive for eliminating the unusual coarsening crystallization of electrolytic copper foil |
| CN110785515A (en) * | 2017-11-09 | 2020-02-11 | 株式会社Lg化学 | Apparatus for manufacturing electrolytic copper foil |
| CN111850628A (en) * | 2020-06-12 | 2020-10-30 | 九江德福科技股份有限公司 | Method for manufacturing punched copper foil of shielding cathode plate |
| CN114686961A (en) * | 2022-04-21 | 2022-07-01 | 河南理工大学 | Electroforming and punching integrated porous copper foil manufacturing system and method |
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| CN206052186U (en) * | 2016-08-10 | 2017-03-29 | 东莞市百乐电能源科技有限公司 | Perforation Copper Foil foil machine |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107779917B (en) * | 2017-09-21 | 2019-04-16 | 河南理工大学 | A kind of manufacturing process of thin-walled cylinder |
| CN107779917A (en) * | 2017-09-21 | 2018-03-09 | 河南理工大学 | A kind of manufacturing process of thin-walled cylinder |
| CN110785515A (en) * | 2017-11-09 | 2020-02-11 | 株式会社Lg化学 | Apparatus for manufacturing electrolytic copper foil |
| US11492717B2 (en) | 2017-11-09 | 2022-11-08 | Lg Energy Solution, Ltd. | Manufacturing apparatus of electrolytic copper foil |
| CN109853015A (en) * | 2017-11-30 | 2019-06-07 | Ykk株式会社 | Plating guide wheel and plating equipment with it |
| CN108085719A (en) * | 2018-02-05 | 2018-05-29 | 广东嘉元科技股份有限公司 | A kind of copper foil produces cutting integrated machine |
| CN108060437A (en) * | 2018-02-05 | 2018-05-22 | 广东嘉元科技股份有限公司 | A kind of copper foil production cutting integrated production line |
| CN108085719B (en) * | 2018-02-05 | 2023-06-23 | 广东嘉元科技股份有限公司 | Copper foil production and slitting integrated machine |
| CN108060437B (en) * | 2018-02-05 | 2023-06-23 | 广东嘉元科技股份有限公司 | Integrated production line is cut in copper foil production |
| CN108330489A (en) * | 2018-04-20 | 2018-07-27 | 云南惠铜新材料科技有限公司 | A kind of smoothed profile copper foil surface coarsing processing method |
| CN108673633A (en) * | 2018-04-28 | 2018-10-19 | 郑玉祥 | A kind of working method of the post-processing split air conditioner with robot for punching |
| CN108649183A (en) * | 2018-05-14 | 2018-10-12 | 山东金宝电子股份有限公司 | A kind of preparation method of negative electrode of lithium ion battery collector micropore copper foil |
| CN108649183B (en) * | 2018-05-14 | 2021-01-22 | 山东金宝电子股份有限公司 | Preparation method of microporous copper foil for lithium ion battery negative current collector |
| CN110029373A (en) * | 2019-05-24 | 2019-07-19 | 山东金宝电子股份有限公司 | A kind of compound additive for eliminating the unusual coarsening crystallization of electrolytic copper foil |
| CN111850628A (en) * | 2020-06-12 | 2020-10-30 | 九江德福科技股份有限公司 | Method for manufacturing punched copper foil of shielding cathode plate |
| CN114686961B (en) * | 2022-04-21 | 2023-06-02 | 河南理工大学 | Electroforming and punching integrated porous copper foil manufacturing system and method |
| CN114686961A (en) * | 2022-04-21 | 2022-07-01 | 河南理工大学 | Electroforming and punching integrated porous copper foil manufacturing system and method |
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