CN104577133A - Production equipment of copper foil of negative current collector of ultra-thin lithium battery - Google Patents
Production equipment of copper foil of negative current collector of ultra-thin lithium battery Download PDFInfo
- Publication number
- CN104577133A CN104577133A CN201310520164.2A CN201310520164A CN104577133A CN 104577133 A CN104577133 A CN 104577133A CN 201310520164 A CN201310520164 A CN 201310520164A CN 104577133 A CN104577133 A CN 104577133A
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- copper foil
- roll
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- current collector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses production equipment of a copper foil of a negative current collector of an ultra-thin lithium battery. The production equipment comprises a control box and is characterized by also comprising an adhering device, a separating device, a first tension detecting device, an anti-oxidation device, a cleaning device, a second tension detecting device, a baking device and a receiving device, wherein the adhering device, the separating device, the first tension detecting device, the anti-oxidation device, the cleaning device, the second tension detecting device, the baking device and the receiving device are connected with the control box, are controlled by the control box and are arranged in sequence. The production equipment disclosed by the invention has the advantages that the design is reasonable, copper ions in copper sulfate are precipitated under the action of an electric field, are absorbed on a negative roll and are washed by a spraying device and the washed copper ions enter an anti-oxidation groove after bypassing a peeling roll and a detecting roll; after anti-oxidation treatment, the surface of the copper foil enters a washing groove to be subjected to bleaching, finally the bleached copper foil is dried by a drying oven after passing through the detecting roll and then is wound, and then the copper foil of the negative current collector of the ultra-thin lithium battery is prepared, so that the production procedure can be effectively shortened and the working efficiency can be improved.
Description
Technical field
The present invention relates to Copper Foil and produce field, be specifically related to a kind of ultra-thin lithium cell negative current collector Copper Foil production equipment producing ultra-thin lithium cell negative current collector Copper Foil.
Background technology
Along with the development of advanced information society; mobile phone is popularized rapidly with notebook computer product, and because people start to pay attention to environmental protection and energy saving, the development of Electric power car receives much attention; as the power supply of above product, lithium battery is the ideal energy.Electrolytic copper foil had both served as the carrier of negative electrode active material in lithium battery, served as again collection and the transmission body of negative electricity subflow.Therefore, the chemical property of electrolytic copper foil collector to lithium battery has a great impact.Along with the development of battery production technology and the raising of ultrathin electrolytic copper foil performance, lithium battery producer adopts electrolytic copper foil to make the negative current collector of lithium battery usually, the particularly ultrathin electrolytic copper foil of cathode of lithium battery collector, because having higher energy density, good charge/discharge cycle characteristics, and measure light characteristic, therefore be widely used.But because these electronic products are to future development miniature, slim, capacious, so require also more and more higher to the main raw material(s)-Copper Foil making lithium battery, electrolytic copper foil originally can not meet its requirement, will develop the Copper Foil of applicable lithium battery production requirement.Tradition ultra-thin lithium cell negative current collector Copper Foil production equipment technology, not can manufacture lower than 9 μ lithium electrolytic copper paper tinsels, and lithium electrolytic copper paper tinsel market demands court is lower than 12 μ future developments.At present the thinlyyest accomplish 8 μm, therefore of home make post-processor can not meet the demands, though the post-processor that most advanced Japan of the world manufactures can process 8 μm of Copper Foils, but every platform processor cost of investment is huge, and the Copper Foil of 6 μm can't be produced in batches, inefficiency, the tensile strength of Copper Foil produced in addition and elongation neither be very desirable.
Summary of the invention
The object of the invention is to, for existing manufacture cathode of lithium battery copper foil of affluxion body equipment existing for deficiency, provide that a kind of structure is simple, reasonable in design, low cost of manufacture and the high ultra-thin lithium cell negative current collector Copper Foil production equipment of efficiency.
For achieving the above object, technical scheme provided by the present invention is:
A kind of ultra-thin lithium cell negative current collector Copper Foil production equipment, it comprises a control cabinet, it also comprises and being connected with described control cabinet, and by its attachment device controlled, separator, the first tension detecting apparatus, oxidation, cleaning device, the second tension detecting apparatus, apparatus for baking and material collecting device, described attachment device, separator, the first tension detecting apparatus, oxidation, cleaning device, the second tension detecting apparatus, apparatus for baking, material collecting device are arranged in order setting.
Described attachment device comprises an anode-supported frame, an anode slot and one and the suitable cathode roll of this anode slot, described anode slot is fixed on described anode-supported frame, described cathode roll is movably arranged on anode slot, and the position of corresponding described cathode roll arranges an AC servo motor being used for driving described cathode roll to rotate on anode-supported frame.
Described separator comprises the AC servo motor that a stripper roll and is used for driving this stripper roll to rotate.
Described oxidation comprises an anti-oxidation tank, positive plate and a liquid lower roll, and this liquid lower roll is movably arranged on the inner chamber bottom of described anti-oxidation tank, and described positive plate is arranged on the inner chamber top of this anti-oxidation tank.
Described cleaning device comprises a rinsing bowl, a liquid lower roll and multiple hydro-peening head, and those hydro-peening heads are arranged on the intracavity sidewall of described rinsing bowl, and described liquid lower roll is movably arranged on the inner chamber bottom of this rinsing bowl.
Described material collecting device comprises a wind-up roll and an alternating-current variable frequency motor, and this alternating-current variable frequency motor drives wind-up roll to rotate by a magnetic powder cluth.
Between described attachment device and separator, be provided with a jetter, this jetter is connected with described control cabinet, and controls by it.
Described first tension detecting apparatus comprises one first measuring roll and and is arranged on the first tension pick-up on this first measuring roll.
Described second tension detecting apparatus comprises one second measuring roll and and is arranged on the second tension pick-up on this second measuring roll.
It also comprises multiple guide roller, and those guide rollers respectively correspondence are arranged between described oxidation and cleaning device, between cleaning device and apparatus for baking, between apparatus for baking and material collecting device.
Beneficial effect of the present invention is: the present invention is reasonable in design, after copper ion in copper sulphate is separated out under electric field action, and be adsorbed on cathode roll, after jetter washing, walk around stripper roll, measuring roll enters anti-oxidation tank, enter rinsing bowl after the anti-oxidation process of copper foil surface and carry out rinsing, finally by rolling after measuring roll to oven drying, i.e. obtained ultra-thin lithium cell negative current collector Copper Foil, effective shortening production process, increase work efficiency, and adopt tension control to guarantee normal production fast 6 μm of Copper Foils, after tested, qualification rate improves more than 3% than traditional manufacturing mode, antioxygenic property reaches 180 DEG C/more than h, and the Copper Foil that thickness is 6 μm can be produced quantitatively, tensile strength>=the 35kg/mm of the Copper Foil produced
2, elongation > 3%, the even < 3% of thickness, has obvious performance advantage, is conducive to the application in lithium battery manufacture, improves the quality of lithium battery, and low cost of manufacture, be beneficial to popularization.
Below in conjunction with accompanying drawing and embodiment, the present invention is further described.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
See Fig. 1, a kind of ultra-thin lithium cell negative current collector Copper Foil production equipment that the present embodiment provides, it comprises a control cabinet, it also comprises and being connected with described control cabinet, and by its attachment device 1 controlled, separator 2, first tension detecting apparatus 3, oxidation 4, cleaning device 5, second tension detecting apparatus 6, apparatus for baking 7 and material collecting device 8, described attachment device 1, separator 2, first tension detecting apparatus 3, oxidation 4, cleaning device 5, second tension detecting apparatus 6, apparatus for baking 7, material collecting device 8 are arranged in order setting.Described attachment device 1 comprises the suitable cathode roll 13 of anode-supported frame 11, anode slot 12 and one and this anode slot 12, described anode slot 12 is fixed on described anode-supported frame 11, described cathode roll 13 is movably arranged on anode slot 12, and the position of corresponding described cathode roll 13 arranges an AC servo motor being used for driving described cathode roll 13 to rotate on anode-supported frame 11.Described separator 2 comprises the AC servo motor that a stripper roll 21 and is used for driving this stripper roll 21 to rotate.Described oxidation 4 comprises an anti-oxidation tank 41, positive plate 42 and a liquid lower roll 43, and this liquid lower roll 43 is movably arranged on the inner chamber bottom of described anti-oxidation tank 41, and described positive plate 42 is arranged on the inner chamber top of this anti-oxidation tank 41.Described cleaning device 5 comprises rinsing bowl 51, liquid lower roll 52 and multiple hydro-peening head 53, and those hydro-peening heads 53 are arranged on the intracavity sidewall of described rinsing bowl 51, and described liquid lower roll 52 is movably arranged on the inner chamber bottom of this rinsing bowl 51.Described material collecting device 8 comprises wind-up roll 81 and an alternating-current variable frequency motor, and this alternating-current variable frequency motor drives wind-up roll 81 to rotate by a magnetic powder cluth.Between described attachment device 1 and separator 2, be provided with a jetter 9, this jetter 9 is connected with described control cabinet, and controls by it.Described first tension detecting apparatus 3 comprises one first measuring roll 31 and and is arranged on the first tension pick-up 32 on this first measuring roll 31.Described second tension detecting apparatus 6 comprises one second measuring roll 61 and and is arranged on the second tension pick-up 62 on this second measuring roll 61.It also comprises multiple guide roller 10, and those guide rollers 10 respectively correspondence are arranged between described oxidation 4 and cleaning device 5, between cleaning device 5 and apparatus for baking 7, between apparatus for baking 7 and material collecting device 8.
During use, in advance at control cabinet technical parameter needed for input, as the thickness of Copper Foil, tensile strength, elongation, tension force control and rate of rotation etc., normally work effectively to control attachment device 1, separator 2, first tension detecting apparatus 3, oxidation 4, cleaning device 5, second tension detecting apparatus 6, apparatus for baking 7 and material collecting device 8; Then in anode slot 12, a certain amount of copper sulphate 14 is injected, after copper ion in copper sulphate 14 is separated out under electric field action, and be adsorbed on cathode roll 13, AC servo motor drives cathode roll 13 to rotate, thus pull out semi-finished product Copper Foil, then, after jetter 9 is washed, the copper sulphate on semi-finished product Copper Foil is rinsed well; This semi-finished product Copper Foil, under the effect of stripper roll 21, is separated with described cathode roll 13; Then walk around the first measuring roll 31 and enter anti-oxidation tank 41, and control the tension force of traction semi-finished product Copper Foil by the first tension pick-up 32; After semi-finished product Copper Foil carries out surface anti-oxidation process in anti-oxidation tank 41, pile warp liquid lower roll 43, guide roller 10 enter rinsing bowl 51, by the multi-angle rinsed clean of multiple hydro-peening head 53, and pile warp liquid lower roll 52, finally by guide roller 10, second measuring roll 61, enter baking oven, carry out drying process, and the tension force of traction semi-finished product Copper Foil is controlled by the second tension pick-up 62, ensure product quality.After drying, make the finished copper foil of respective thickness, drive wind-up roll 81 to rotate finally by alternating-current variable frequency motor, rolling action is carried out to finished copper foil.Now, this finished copper foil can be carried out point cutting into corresponding product according to the requirement specification of client.After tested, after using the present invention, qualification rate improves more than 3% than traditional manufacturing mode, and antioxygenic property reaches 180 DEG C/more than h, and can produce the Copper Foil that thickness is 6 μm quantitatively, the tensile strength>=35kg/mm of the Copper Foil produced
2, elongation > 3%, the even < 3% of thickness, has obvious performance advantage, is conducive to the application in lithium battery manufacture, improves the quality of lithium battery, and low cost of manufacture, be beneficial to popularization.
As described in the above embodiment the present invention, structure same or similar with it is adopted and the miscellaneous equipment obtained, all in scope.
Claims (10)
1. a ultra-thin lithium cell negative current collector Copper Foil production equipment, it comprises a control cabinet, it is characterized in that, it also comprises and being connected with described control cabinet, and by its attachment device controlled, separator, the first tension detecting apparatus, oxidation, cleaning device, the second tension detecting apparatus, apparatus for baking and material collecting device, described attachment device, separator, the first tension detecting apparatus, oxidation, cleaning device, the second tension detecting apparatus, apparatus for baking, material collecting device are arranged in order setting.
2. ultra-thin lithium cell negative current collector Copper Foil production equipment according to claim 1, it is characterized in that, described attachment device comprises an anode-supported frame, an anode slot and one and the suitable cathode roll of this anode slot, described anode slot is fixed on described anode-supported frame, described cathode roll is movably arranged on anode slot, and the position of corresponding described cathode roll arranges an AC servo motor being used for driving described cathode roll to rotate on anode-supported frame.
3. ultra-thin lithium cell negative current collector Copper Foil production equipment according to claim 1, it is characterized in that, described separator comprises the AC servo motor that a stripper roll and is used for driving this stripper roll to rotate.
4. ultra-thin lithium cell negative current collector Copper Foil production equipment according to claim 1, it is characterized in that, described oxidation comprises an anti-oxidation tank, positive plate and a liquid lower roll, this liquid lower roll is movably arranged on the inner chamber bottom of described anti-oxidation tank, and described positive plate is arranged on the inner chamber top of this anti-oxidation tank.
5. ultra-thin lithium cell negative current collector Copper Foil production equipment according to claim 1, it is characterized in that, described cleaning device comprises a rinsing bowl, a liquid lower roll and multiple hydro-peening head, those hydro-peening heads are arranged on the intracavity sidewall of described rinsing bowl, and described liquid lower roll is movably arranged on the inner chamber bottom of this rinsing bowl.
6. ultra-thin lithium cell negative current collector Copper Foil production equipment according to claim 1, it is characterized in that, described material collecting device comprises a wind-up roll and an alternating-current variable frequency motor, and this alternating-current variable frequency motor drives wind-up roll to rotate by a magnetic powder cluth.
7. ultra-thin lithium cell negative current collector Copper Foil production equipment according to claim 1, it is characterized in that, between described attachment device and separator, be provided with a jetter, this jetter is connected with described control cabinet, and controls by it.
8. ultra-thin lithium cell negative current collector Copper Foil production equipment according to claim 1, is characterized in that, described first tension detecting apparatus comprises one first measuring roll and and is arranged on the first tension pick-up on this first measuring roll.
9. ultra-thin lithium cell negative current collector Copper Foil production equipment according to claim 1, is characterized in that, described second tension detecting apparatus comprises one second measuring roll and and is arranged on the second tension pick-up on this second measuring roll.
10. ultra-thin lithium cell negative current collector Copper Foil production equipment according to claim 1, it is characterized in that, it also comprises multiple guide roller, those guide rollers respectively correspondence are arranged between described oxidation and cleaning device, between cleaning device and apparatus for baking, between apparatus for baking and material collecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310520164.2A CN104577133A (en) | 2013-10-29 | 2013-10-29 | Production equipment of copper foil of negative current collector of ultra-thin lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310520164.2A CN104577133A (en) | 2013-10-29 | 2013-10-29 | Production equipment of copper foil of negative current collector of ultra-thin lithium battery |
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| Publication Number | Publication Date |
|---|---|
| CN104577133A true CN104577133A (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310520164.2A Pending CN104577133A (en) | 2013-10-29 | 2013-10-29 | Production equipment of copper foil of negative current collector of ultra-thin lithium battery |
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| CN (1) | CN104577133A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937042A (en) * | 2016-05-30 | 2016-09-14 | 安徽铜冠铜箔有限公司 | Electronic copper foil manufacturing device |
| CN109735880A (en) * | 2019-03-04 | 2019-05-10 | 深圳市汇美新科技有限公司 | A kind of ultrathin film electrochemical deposition system |
| CN110492194A (en) * | 2019-08-16 | 2019-11-22 | 朱涵睿 | A kind of anode material of lithium battery and collector stripping off device |
| CN113568302A (en) * | 2021-09-24 | 2021-10-29 | 江东电子材料有限公司 | Copper foil production tension control method and system and storage medium |
| CN113782700B (en) * | 2021-09-15 | 2024-05-07 | 珠海冠宇电池股份有限公司 | Positive plate and lithium ion battery |
-
2013
- 2013-10-29 CN CN201310520164.2A patent/CN104577133A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937042A (en) * | 2016-05-30 | 2016-09-14 | 安徽铜冠铜箔有限公司 | Electronic copper foil manufacturing device |
| CN105937042B (en) * | 2016-05-30 | 2018-04-20 | 安徽铜冠铜箔有限公司 | A kind of electronics copper foil manufacture device |
| CN109735880A (en) * | 2019-03-04 | 2019-05-10 | 深圳市汇美新科技有限公司 | A kind of ultrathin film electrochemical deposition system |
| CN110492194A (en) * | 2019-08-16 | 2019-11-22 | 朱涵睿 | A kind of anode material of lithium battery and collector stripping off device |
| CN110492194B (en) * | 2019-08-16 | 2020-08-14 | 朱涵睿 | Lithium battery anode material and current collector stripping device |
| CN113782700B (en) * | 2021-09-15 | 2024-05-07 | 珠海冠宇电池股份有限公司 | Positive plate and lithium ion battery |
| CN113568302A (en) * | 2021-09-24 | 2021-10-29 | 江东电子材料有限公司 | Copper foil production tension control method and system and storage medium |
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Application publication date: 20150429 |