CN110257863A - A kind of lithium battery two-sided optical ultrathin electrolytic copper foil and preparation method thereof - Google Patents
A kind of lithium battery two-sided optical ultrathin electrolytic copper foil and preparation method thereof Download PDFInfo
- Publication number
- CN110257863A CN110257863A CN201910477220.6A CN201910477220A CN110257863A CN 110257863 A CN110257863 A CN 110257863A CN 201910477220 A CN201910477220 A CN 201910477220A CN 110257863 A CN110257863 A CN 110257863A
- Authority
- CN
- China
- Prior art keywords
- raw material
- foil
- copper
- copper foil
- electrolytic copper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/22—Electroplating: Baths therefor from solutions of zinc
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/06—Wires; Strips; Foils
- C25D7/0614—Strips or foils
Abstract
The invention discloses a kind of lithium battery two-sided optical ultrathin electrolytic copper foils and preparation method thereof, formula includes: pure water, copper raw material, sulfuric acid, chromate, hydrogen peroxide, silane, initiator, resin base material, catalyst, coupling agent, and the mass percentage of each component is respectively: pure water 16%, copper raw material 20%, sulfuric acid 15%, chromate 10%, hydrogen peroxide 4%, silane 20%, initiator 3%, resin base material 10%, catalyst 1% and coupling agent 1%；Preparation method includes the following steps that step 1, raw material is chosen；Step 2, raw material mixing；Step 3, electrolytic copper foil；Step 4, zinc-plated processing；Step 5, Passivation Treatment；Step 6, drying winding, the invention, using hydrogen peroxide dipping copper raw material, lower significantly copper raw material with the sulfuric acid time, be conducive to copper-bath production, electrolysis cathode roller and anode seat use pure titanium material, lead-antimony alloy, it avoids cathode roll, anode seat from reacting with copper sulphate and generates impurity, be conducive to improve copper foil quality.
Description
Technical field
The present invention relates to copper foil technical field, specially a kind of lithium battery two-sided optical ultrathin electrolytic copper foil and its preparation side
Method.
Background technique
With electronics and information industry, new energy power vehicle industry, wind-power electricity generation, solar power generation, high-speed rail, city rail
The development of traffic, will bring the rapid growth of lithium battery demand, and high-precision lithium battery copper foil will be widely used in electric car, hand
All lithium batteries such as electronic equipment, energy-accumulating power station are held, as the collector of its high energy-storage system, electronics copper foil is irreplaceable
Basic material, electrolytic copper foil is the important material of copper-clad plate and printed circuit board, lithium ion battery manufacture, in current e-mail
In breath industry high speed development, electrolytic copper foil is referred to as electronic product signal and power transmission, the neural network of communication；Traditional electrolyte
Copper foil process costs are high, and processing is complicated, are unfavorable for processing and production, and traditional electrolyte copper foil copper raw material and sulfuric acid reaction rate
Slowly, response intensity is low, increase Production Time, traditional copper foil be electrolysed when cathode and anode be all made of general alloy material, easily with
Copper sulphate reaction, causes the foil impurity being electrolysed out more, reduces copper foil quality, while traditional electrolyte copper foil one-side electroplating, unfavorable
It is used in user, and copper thickness height easily bends damage, is unfavorable for subsequent use；For these defects, a kind of lithium electricity is designed
Pond two-sided optical ultrathin electrolytic copper foil and preparation method thereof is necessary.
Summary of the invention
The purpose of the present invention is to provide a kind of lithium battery two-sided optical ultrathin electrolytic copper foils and preparation method thereof, to solve
The problems mentioned above in the background art.
In order to solve the above technical problem, the present invention provides following technical solutions: a kind of lithium battery two-sided optical ultrathin electricity
Copper foil is solved, formula includes: pure water, copper raw material, sulfuric acid, chromate, hydrogen peroxide, silane, initiator, resin base material, catalyst, idol
Join agent, the mass percentage of each component is respectively: the pure water of 15-25%, the copper raw material of 20-30%, 15-25% sulfuric acid, 10-
20% chromate, the hydrogen peroxide of 2-4%, the silane of 10-20%, the initiator of 1-3%, the resin base material of 5-10%, 0.5-1% are urged
The coupling agent of agent and 0.5-1%.
A kind of preparation method of lithium battery two-sided optical ultrathin electrolytic copper foil, includes the following steps, step 1, raw material choosing
It takes；Step 2, raw material mixing；Step 3, electrolytic copper foil；Step 4, zinc-plated processing；Step 5, Passivation Treatment；Step 6 is dried
Dry winding；
Wherein in above-mentioned steps one, be respectively according to the mass percentage of each component: pure water, the copper of 20-30% of 15-25% is former
Material, the sulfuric acid of 15-25%, the chromate of 10-20%, the hydrogen peroxide of 2-4%, the silane of 10-20%, the initiator of 1-3%, 5-10%
The coupling agent of resin base material, the catalyst of 0.5-1% and 0.5-1% is chosen, and is claimed according to the sum of weight percent for 1
It takes；
Wherein in above-mentioned steps two, raw material mixing the following steps are included:
1) copper raw material is placed on and is set in charging basket, be blended into hydrogen peroxide and carry out sheet erosion 1-2h；
2) pure water is added after being cleaned reaction kettle, then copper raw material is pulled out and is put into reaction kettle, is slowly stirred uniformly；
3) material temperature is kept, sulfuric acid is poured slowly into reaction kettle while stirring；
4) after the completion of sulfuric acid pours into, catalyst is put into, compressed air is passed through and carries out redox reaction, obtain copper-bath；
Wherein in above-mentioned steps three, electrolytic copper foil the following steps are included:
1) manually prepare electrolytic cell, cathode roll uses pure titanium material, diameter 2.5m, and width is 1.5 meters, and anode seat is the conjunction of lead antimony
Gold；
2) by step 2 4) obtained in copper sulphate pour into electrolytic cell, electrolytic cell is passed through direct current, temperature is controlled in 48-52
DEG C, cell reaction forms foil until crystallizing on cathode roll；
3) crystallization on cathode roll is formed foil to take out, is placed on and sets storage room temperature storage in charging basket；
Wherein in above-mentioned steps four, it is zinc-plated processing the following steps are included:
1) by step 3 3) obtained in foil immobilize processing, until foil surface is smooth；
2) foil handled well is placed in electroplating machine again, two sides carries out zinc-plated processing, until foil surface turns yellow；
3) foil of zinc-plated completion is deposited in stores shady and coolly；
Wherein in above-mentioned steps five, Passivation Treatment the following steps are included:
1) by above-mentioned steps 4,3) chromic acid reactant salt is added in the middle zinc-plated foil of gained, and initiator is added, carries out surface passivation, reacts
1-2h；
2) coupling agent is impregnated on the zinc-plated foil surface after passivation, resin base material is smeared on two sides after taking-up；
3) foil for smearing completion is placed on drying, baking temperature in baking box can be obtained two-sided optical ultrathin at 80-90 DEG C
Electrolytic copper foil；
Wherein in above-mentioned steps six, gained two-sided optical ultrathin electrolytic copper foil in above-mentioned steps five is wound using winder,
Winding completes rear surface and is socketed dustproof film, then placement is stored in the cool.
According to the above technical scheme, the mass percentage of the component is respectively: pure water 16%, copper raw material 20%, sulfuric acid
15%, chromate 10%, hydrogen peroxide 4%, silane 20%, initiator 3%, resin base material 10%, catalyst 1% and coupling agent 1%.
According to the above technical scheme, the step 2 hydrogen peroxide covers at the top of copper raw material, and temperature is maintained at 20-30 DEG C.
According to the above technical scheme, the step 3 2) in direct current be 280V.
According to the above technical scheme, the step 5 1) in reaction temperature be 25-35 DEG C, carry out under normal pressure.
According to the above technical scheme, initiator used in the step 6 is radical polymerization initiator.
Compared with prior art, the beneficial effects obtained by the present invention are as follows being: it is an advantage of the current invention that the invention, safety
Reliably, using hydrogen peroxide dipping copper raw material, significantly attenuating copper raw material with the sulfuric acid time, be conducive to copper-bath production, electricity
It solves cathode roll and uses pure titanium material, anode seat is lead-antimony alloy, promotes electrolytic efficiency, avoids cathode roll, anode seat and copper sulphate
Reaction generates impurity, is conducive to improve copper foil quality, lowers copper foil resistivity, and copper foil uses two-sided plating mode, and is electroplated outer
Side brush has resin base material, promotes copper foil surface smoothness, reduces surface roughness, and chromate is used after copper foil surface curing process
It is passivated, greatly promotes copper foil flexibility, increase copper foil elongation, while reducing copper thickness, be conducive to user's use, it should
Invented technology is simply rigorous, can be instead of other electrolytic copper foil production technologies costly, significant effect, the cheap cost of raw material
It is cheap, it is easy to process, production cost is greatly saved, is conducive to processing and production.
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 that technique of the invention founds flow chart.
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 lithium battery two-sided optical ultrathin electrolytic copper foil and its system
Preparation Method:
Embodiment 1:
A kind of lithium battery two-sided optical ultrathin electrolytic copper foil, formula include: pure water, copper raw material, sulfuric acid, chromate, hydrogen peroxide, silicon
The mass percentage of alkane, initiator, resin base material, catalyst, coupling agent, each component is respectively: pure water 16%, copper raw material
20%, sulfuric acid 15%, chromate 10%, hydrogen peroxide 4%, silane 20%, initiator 3%, resin base material 10%, catalyst 1% and coupling agent
1%。
A kind of preparation method of lithium battery two-sided optical ultrathin electrolytic copper foil, includes the following steps, step 1, raw material choosing
It takes；Step 2, raw material mixing；Step 3, electrolytic copper foil；Step 4, zinc-plated processing；Step 5, Passivation Treatment；Step 6 is dried
Dry winding；
Wherein in above-mentioned steps one, it is respectively according to the mass percentage of each component: pure water 16%, copper raw material 20%, sulfuric acid
15%, chromate 10%, hydrogen peroxide 4%, silane 20%, initiator 3%, resin base material 10%, catalyst 1% and coupling agent 1% are selected
It takes, and is weighed according to the sum of weight percent for 1；
Wherein in above-mentioned steps two, raw material mixing the following steps are included:
1) copper raw material being placed on and is set in charging basket, be blended into hydrogen peroxide and carry out sheet erosion 1-2h, hydrogen peroxide covers at the top of copper raw material,
Temperature is maintained at 20-30 DEG C；
2) pure water is added after being cleaned reaction kettle, then copper raw material is pulled out and is put into reaction kettle, is slowly stirred uniformly；
3) material temperature is kept, sulfuric acid is poured slowly into reaction kettle while stirring；
4) after the completion of sulfuric acid pours into, catalyst is put into, compressed air is passed through and carries out redox reaction, obtain copper-bath；
Wherein in above-mentioned steps three, electrolytic copper foil the following steps are included:
1) manually prepare electrolytic cell, cathode roll uses pure titanium material, diameter 2.5m, and width is 1.5 meters, and anode seat is the conjunction of lead antimony
Gold；
2) by step 2 4) obtained in copper sulphate pour into electrolytic cell, electrolytic cell is passed through direct current, direct current 280V, temperature
At 48-52 DEG C, cell reaction forms foil until crystallizing on cathode roll for degree control；
3) crystallization on cathode roll is formed foil to take out, is placed on and sets storage room temperature storage in charging basket；
Wherein in above-mentioned steps four, it is zinc-plated processing the following steps are included:
1) by step 3 3) obtained in foil immobilize processing, until foil surface is smooth；
2) foil handled well is placed in electroplating machine again, two sides carries out zinc-plated processing, until foil surface turns yellow；
3) foil of zinc-plated completion is deposited in stores shady and coolly；
Wherein in above-mentioned steps five, Passivation Treatment the following steps are included:
1) by above-mentioned steps 4,3) chromic acid reactant salt is added in the middle zinc-plated foil of gained, initiator is added, initiator is radical polymerization
Initiator is closed, surface passivation is carried out, reacts 1-2h, reaction temperature is 25-35 DEG C, is carried out under normal pressure；
2) coupling agent is impregnated on the zinc-plated foil surface after passivation, resin base material is smeared on two sides after taking-up；
3) foil for smearing completion is placed on drying, baking temperature in baking box can be obtained two-sided optical ultrathin at 80-90 DEG C
Electrolytic copper foil；
Wherein in above-mentioned steps six, gained two-sided optical ultrathin electrolytic copper foil in above-mentioned steps five is wound using winder,
Winding completes rear surface and is socketed dustproof film, then placement is stored in the cool.
Embodiment 2:
A kind of lithium battery two-sided optical ultrathin electrolytic copper foil, formula include: pure water, copper raw material, sulfuric acid, chromate, hydrogen peroxide, silicon
The mass percentage of alkane, initiator, resin base material, catalyst, coupling agent, each component is respectively: pure water 16%, copper raw material
20%, sulfuric acid 15%, chromate 15%, hydrogen peroxide 4%, silane 15%, initiator 3%, resin base material 10%, catalyst 1% and coupling agent
1%。
A kind of preparation method of lithium battery two-sided optical ultrathin electrolytic copper foil, includes the following steps, step 1, raw material choosing
It takes；Step 2, raw material mixing；Step 3, electrolytic copper foil；Step 4, zinc-plated processing；Step 5, Passivation Treatment；Step 6 is dried
Dry winding；
Wherein in above-mentioned steps one, it is respectively according to the mass percentage of each component: pure water 16%, copper raw material 20%, sulfuric acid
15%, chromate 15%, hydrogen peroxide 4%, silane 15%, initiator 3%, resin base material 10%, catalyst 1% and coupling agent 1% are selected
It takes, and is weighed according to the sum of weight percent for 1；
Wherein in above-mentioned steps two, raw material mixing the following steps are included:
1) copper raw material being placed on and is set in charging basket, be blended into hydrogen peroxide and carry out sheet erosion 1-2h, hydrogen peroxide covers at the top of copper raw material,
Temperature is maintained at 20-30 DEG C；
2) pure water is added after being cleaned reaction kettle, then copper raw material is pulled out and is put into reaction kettle, is slowly stirred uniformly；
3) material temperature is kept, sulfuric acid is poured slowly into reaction kettle while stirring；
4) after the completion of sulfuric acid pours into, catalyst is put into, compressed air is passed through and carries out redox reaction, obtain copper-bath；
Wherein in above-mentioned steps three, electrolytic copper foil the following steps are included:
1) manually prepare electrolytic cell, cathode roll uses pure titanium material, diameter 2.5m, and width is 1.5 meters, and anode seat is the conjunction of lead antimony
Gold；
2) by step 2 4) obtained in copper sulphate pour into electrolytic cell, electrolytic cell is passed through direct current, direct current 280V, temperature
At 48-52 DEG C, cell reaction forms foil until crystallizing on cathode roll for degree control；
3) crystallization on cathode roll is formed foil to take out, is placed on and sets storage room temperature storage in charging basket；
Wherein in above-mentioned steps four, it is zinc-plated processing the following steps are included:
1) by step 3 3) obtained in foil immobilize processing, until foil surface is smooth；
2) foil handled well is placed in electroplating machine again, two sides carries out zinc-plated processing, until foil surface turns yellow；
3) foil of zinc-plated completion is deposited in stores shady and coolly；
Wherein in above-mentioned steps five, Passivation Treatment the following steps are included:
1) by above-mentioned steps 4,3) chromic acid reactant salt is added in the middle zinc-plated foil of gained, initiator is added, initiator is radical polymerization
Initiator is closed, surface passivation is carried out, reacts 1-2h, reaction temperature is 25-35 DEG C, is carried out under normal pressure；
2) coupling agent is impregnated on the zinc-plated foil surface after passivation, resin base material is smeared on two sides after taking-up；
3) foil for smearing completion is placed on drying, baking temperature in baking box can be obtained two-sided optical ultrathin at 80-90 DEG C
Electrolytic copper foil；
Wherein in above-mentioned steps six, gained two-sided optical ultrathin electrolytic copper foil in above-mentioned steps five is wound using winder,
Winding completes rear surface and is socketed dustproof film, then placement is stored in the cool.
Embodiment 3:
A kind of lithium battery two-sided optical ultrathin electrolytic copper foil, formula include: pure water, copper raw material, sulfuric acid, chromate, hydrogen peroxide, silicon
The mass percentage of alkane, initiator, resin base material, catalyst, coupling agent, each component is respectively: pure water 16%, copper raw material
20%, sulfuric acid 15%, chromate 20%, hydrogen peroxide 4%, silane 10%, initiator 3%, resin base material 10%, catalyst 1% and coupling agent
1%。
A kind of preparation method of lithium battery two-sided optical ultrathin electrolytic copper foil, includes the following steps, step 1, raw material choosing
It takes；Step 2, raw material mixing；Step 3, electrolytic copper foil；Step 4, zinc-plated processing；Step 5, Passivation Treatment；Step 6 is dried
Dry winding；
Wherein in above-mentioned steps one, it is respectively according to the mass percentage of each component: pure water 16%, copper raw material 20%, sulfuric acid
15%, chromate 20%, hydrogen peroxide 4%, silane 10%, initiator 3%, resin base material 10%, catalyst 1% and coupling agent 1% are selected
It takes, and is weighed according to the sum of weight percent for 1；
Wherein in above-mentioned steps two, raw material mixing the following steps are included:
1) copper raw material being placed on and is set in charging basket, be blended into hydrogen peroxide and carry out sheet erosion 1-2h, hydrogen peroxide covers at the top of copper raw material,
Temperature is maintained at 20-30 DEG C；
2) pure water is added after being cleaned reaction kettle, then copper raw material is pulled out and is put into reaction kettle, is slowly stirred uniformly；
3) material temperature is kept, sulfuric acid is poured slowly into reaction kettle while stirring；
4) after the completion of sulfuric acid pours into, catalyst is put into, compressed air is passed through and carries out redox reaction, obtain copper-bath；
Wherein in above-mentioned steps three, electrolytic copper foil the following steps are included:
1) manually prepare electrolytic cell, cathode roll uses pure titanium material, diameter 2.5m, and width is 1.5 meters, and anode seat is the conjunction of lead antimony
Gold；
2) by step 2 4) obtained in copper sulphate pour into electrolytic cell, electrolytic cell is passed through direct current, direct current 280V, temperature
At 48-52 DEG C, cell reaction forms foil until crystallizing on cathode roll for degree control；
3) crystallization on cathode roll is formed foil to take out, is placed on and sets storage room temperature storage in charging basket；
Wherein in above-mentioned steps four, it is zinc-plated processing the following steps are included:
1) by step 3 3) obtained in foil immobilize processing, until foil surface is smooth；
2) foil handled well is placed in electroplating machine again, two sides carries out zinc-plated processing, until foil surface turns yellow；
3) foil of zinc-plated completion is deposited in stores shady and coolly；
Wherein in above-mentioned steps five, Passivation Treatment the following steps are included:
1) by above-mentioned steps 4,3) chromic acid reactant salt is added in the middle zinc-plated foil of gained, initiator is added, initiator is radical polymerization
Initiator is closed, surface passivation is carried out, reacts 1-2h, reaction temperature is 25-35 DEG C, is carried out under normal pressure；
2) coupling agent is impregnated on the zinc-plated foil surface after passivation, resin base material is smeared on two sides after taking-up；
3) foil for smearing completion is placed on drying, baking temperature in baking box can be obtained two-sided optical ultrathin at 80-90 DEG C
Electrolytic copper foil；
Wherein in above-mentioned steps six, gained two-sided optical ultrathin electrolytic copper foil in above-mentioned steps five is wound using winder,
Winding completes rear surface and is socketed dustproof film, then placement is stored in the cool.
Each embodiment property comparison is as follows:
| Surface roughness/μm | Resistivity/Ω g/m2 | Elongation/grade | Thickness/μm | |
| Embodiment 1 | 3.8 | 0.156 | 9.3 | 38 |
| Embodiment 2 | 4.7 | 0.154 | 9.6 | 35 |
| Embodiment 3 | 4.3 | 0.158 | 9.4 | 45 |
Based on above-mentioned, it is an advantage of the current invention that the invention, securely and reliably, using hydrogen peroxide dipping copper raw material, significantly attenuating copper
Raw material with the sulfuric acid time, electrolysis cathode roller use pure titanium material, anode seat be lead-antimony alloy, avoid cathode roll, anode seat with
Copper sulphate reaction generates impurity, lowers copper foil resistivity, and copper foil uses two-sided plating mode, and outside is electroplated and is brushed with resin base
Material is reduced surface roughness, and is passivated after copper foil surface curing process using chromate, is increased copper foil elongation, is dropped simultaneously
Low copper thickness is conducive to user's use, and the invention raw material is cheaply low in cost, easy to process, saves production cost.
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 (7)
1. a kind of lithium battery two-sided optical ultrathin electrolytic copper foil, it is characterised in that: formula includes: pure water, copper raw material, sulfuric acid, chromium
The mass percentage of hydrochlorate, hydrogen peroxide, silane, initiator, resin base material, catalyst, coupling agent, each component is respectively: 15-
25% pure water, the copper raw material of 20-30%, the sulfuric acid of 15-25%, the chromate of 10-20%, the hydrogen peroxide of 2-4%, 10-20% silicon
Alkane, the initiator of 1-3%, the resin base material of 5-10%, the catalyst of 0.5-1% and 0.5-1% coupling agent.
2. a kind of preparation method of lithium battery two-sided optical ultrathin electrolytic copper foil, includes the following steps, step 1, raw material is chosen；
Step 2, raw material mixing；Step 3, electrolytic copper foil；Step 4, zinc-plated processing；Step 5, Passivation Treatment；Step 6, drying are received
Volume；It is characterized by:
Wherein in above-mentioned steps one, be respectively according to the mass percentage of each component: pure water, the copper of 20-30% of 15-25% is former
Material, the sulfuric acid of 15-25%, the chromate of 10-20%, the hydrogen peroxide of 2-4%, the silane of 10-20%, the initiator of 1-3%, 5-10%
The coupling agent of resin base material, the catalyst of 0.5-1% and 0.5-1% is chosen, and is claimed according to the sum of weight percent for 1
It takes；
Wherein in above-mentioned steps two, raw material mixing the following steps are included:
1) copper raw material is placed on and is set in charging basket, be blended into hydrogen peroxide and carry out sheet erosion 1-2h；
2) pure water is added after being cleaned reaction kettle, then copper raw material is pulled out and is put into reaction kettle, is slowly stirred uniformly；
3) material temperature is kept, sulfuric acid is poured slowly into reaction kettle while stirring；
4) after the completion of sulfuric acid pours into, catalyst is put into, compressed air is passed through and carries out redox reaction, obtain copper-bath；
Wherein in above-mentioned steps three, electrolytic copper foil the following steps are included:
1) manually prepare electrolytic cell, cathode roll uses pure titanium material, diameter 2.5m, and width is 1.5 meters, and anode seat is the conjunction of lead antimony
Gold；
2) by step 2 4) obtained in copper sulphate pour into electrolytic cell, electrolytic cell is passed through direct current, temperature is controlled in 48-52
DEG C, cell reaction forms foil until crystallizing on cathode roll；
3) crystallization on cathode roll is formed foil to take out, is placed on and sets storage room temperature storage in charging basket；
Wherein in above-mentioned steps four, it is zinc-plated processing the following steps are included:
1) by step 3 3) obtained in foil immobilize processing, until foil surface is smooth；
2) foil handled well is placed in electroplating machine again, two sides carries out zinc-plated processing, until foil surface turns yellow；
3) foil of zinc-plated completion is deposited in stores shady and coolly；
Wherein in above-mentioned steps five, Passivation Treatment the following steps are included:
By above-mentioned steps 4,3) chromic acid reactant salt is added in the middle zinc-plated foil of gained, and initiator is added, and carries out surface passivation, reaction 1-
2h；
Coupling agent is impregnated on zinc-plated foil surface after passivation, resin base material is smeared on two sides after taking-up；
The foil completed will be smeared and be placed on drying in baking box, two-sided optical ultrathin electricity can be obtained at 80-90 DEG C in baking temperature
Solve copper foil；
Wherein in above-mentioned steps six, gained two-sided optical ultrathin electrolytic copper foil in above-mentioned steps five is wound using winder,
Winding completes rear surface and is socketed dustproof film, then placement is stored in the cool.
3. a kind of lithium battery two-sided optical ultrathin electrolytic copper foil according to claim 1, it is characterised in that: the component
Mass percentage is respectively: pure water 16%, sulfuric acid 15%, chromate 10%, hydrogen peroxide 4%, silane 20%, causes copper raw material 20%
Agent 3%, resin base material 10%, catalyst 1% and coupling agent 1%.
4. a kind of preparation method of lithium battery two-sided optical ultrathin electrolytic copper foil according to claim 2, it is characterised in that:
The step 2 hydrogen peroxide covers at the top of copper raw material, and temperature is maintained at 20-30 DEG C.
5. a kind of preparation method of lithium battery two-sided optical ultrathin electrolytic copper foil according to claim 2, it is characterised in that:
The step 3 2) in direct current be 280V.
6. a kind of preparation method of lithium battery two-sided optical ultrathin electrolytic copper foil according to claim 2, it is characterised in that:
The step 5 1) in reaction temperature be 25-35 DEG C, carry out under normal pressure.
7. a kind of preparation method of lithium battery two-sided optical ultrathin electrolytic copper foil according to claim 2, it is characterised in that:
Initiator used in the step 5 is radical polymerization initiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910477220.6A CN110257863A (en) | 2019-06-03 | 2019-06-03 | A kind of lithium battery two-sided optical ultrathin electrolytic copper foil and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910477220.6A CN110257863A (en) | 2019-06-03 | 2019-06-03 | A kind of lithium battery two-sided optical ultrathin electrolytic copper foil and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110257863A true CN110257863A (en) | 2019-09-20 |
Family
ID=67916553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910477220.6A Pending CN110257863A (en) | 2019-06-03 | 2019-06-03 | A kind of lithium battery two-sided optical ultrathin electrolytic copper foil and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110257863A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111364071A (en) * | 2020-04-23 | 2020-07-03 | 广东嘉元科技股份有限公司 | Lithium ion battery copper foil and preparation method thereof |
| CN112133883A (en) * | 2020-09-24 | 2020-12-25 | 湖南省凯纳方科技有限公司 | Porous structure lithium battery negative electrode and preparation method thereof |
| CN113322497A (en) * | 2021-04-25 | 2021-08-31 | 浙江花园新能源有限公司 | Double-sided light ultrathin electrolytic copper foil for lithium battery and manufacturing method thereof |
| CN113943954A (en) * | 2021-12-01 | 2022-01-18 | 青海诺德新材料有限公司 | Preparation method of 2-3 micron pinhole-free carrier electrolytic copper foil |
-
2019
- 2019-06-03 CN CN201910477220.6A patent/CN110257863A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111364071A (en) * | 2020-04-23 | 2020-07-03 | 广东嘉元科技股份有限公司 | Lithium ion battery copper foil and preparation method thereof |
| CN112133883A (en) * | 2020-09-24 | 2020-12-25 | 湖南省凯纳方科技有限公司 | Porous structure lithium battery negative electrode and preparation method thereof |
| CN112133883B (en) * | 2020-09-24 | 2022-09-06 | 湖南省凯纳方科技有限公司 | Porous structure lithium battery negative electrode and preparation method thereof |
| CN113322497A (en) * | 2021-04-25 | 2021-08-31 | 浙江花园新能源有限公司 | Double-sided light ultrathin electrolytic copper foil for lithium battery and manufacturing method thereof |
| CN113322497B (en) * | 2021-04-25 | 2022-05-24 | 浙江花园新能源股份有限公司 | Double-sided light ultrathin electrolytic copper foil for lithium battery and manufacturing method thereof |
| CN113943954A (en) * | 2021-12-01 | 2022-01-18 | 青海诺德新材料有限公司 | Preparation method of 2-3 micron pinhole-free carrier electrolytic copper foil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110257863A (en) | A kind of lithium battery two-sided optical ultrathin electrolytic copper foil and preparation method thereof | |
| EP3808876B1 (en) | Electrolytic copper foil, electrode, and lithium ion secondary battery having same | |
| JP5730742B2 (en) | Electrolytic copper foil for lithium ion secondary battery and method for producing the same | |
| CN209974927U (en) | Processing equipment of electrolytic copper foil | |
| CN112582578B (en) | Zinc cathode with protective layer and preparation method and application thereof | |
| CN106558703B (en) | Electrolytic copper foil, the electrode including it and secondary cell and its manufacturing method | |
| JP2020530878A (en) | Copper foil with wrinkle prevention, electrodes containing it, secondary battery containing it, and method for manufacturing the same. | |
| CN103857818B (en) | Steel foil and manufacture method thereof | |
| CN106558678A (en) | The strong electrolytic copper foil of superelevation, including its electrode and secondary cell and its manufacture method | |
| CN109888290A (en) | A kind of high multiplying power lithium ion battery, ageing and chemical synthesizing method | |
| CN1988224A (en) | Titanium base foam lead positive and negative electrode plate grating material for lead acid accumulator and its producing method | |
| CN107452947A (en) | A kind of positive plate of lead storage battery lead plaster and preparation method thereof, lead accumulator | |
| CN111316486B (en) | Electrolytic copper foil, method for producing same, and negative electrode for high-capacity lithium secondary battery comprising same | |
| CN110342563A (en) | A kind of cupric oxide nano line and its preparation method and application | |
| EP3404755A1 (en) | Copper foil, method for manufacturing same, electrode comprising same, and secondary battery comprising same | |
| CN108365172A (en) | A kind of lithium an- ode material and its preparation method and application of natural polymers protection | |
| CN111370782B (en) | Polymer electrolyte for zinc-nickel battery, zinc-nickel battery and preparation method of polymer electrolyte | |
| CN112447946A (en) | Li2TiO3、Li2ZrO3Preparation method of composite coated ternary cathode material | |
| CN111430807A (en) | Solid polymer electrolyte and preparation method thereof | |
| CN111293298A (en) | Flexible MXene/Si composite material and preparation method and application thereof | |
| CN110010856A (en) | Anodic oxidation co-electrodeposition method prepares the ti-supported lead dioxide electric pole of conductive polyaniline modification | |
| CN109728242A (en) | Three-dimensional alloy cathode of lithium, preparation method and lithium secondary battery | |
| JP2022529462A (en) | Copper foil with wrinkles prevented, electrodes containing it, secondary batteries containing it, and methods for manufacturing them. | |
| JP2022522513A (en) | Electrolytic copper foil that can prevent tearing or wrinkle defects, electrodes that include it, secondary batteries that include it, and methods for manufacturing them. | |
| CN111279019B (en) | Electrolytic copper foil, method for producing the electrolytic copper foil, and anode for high-capacity lithium secondary battery comprising the electrolytic copper foil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190920 |