CN205488335U - A spray type coating system for lithium cell - Google Patents
A spray type coating system for lithium cell Download PDFInfo
- Publication number
- CN205488335U CN205488335U CN201620102944.4U CN201620102944U CN205488335U CN 205488335 U CN205488335 U CN 205488335U CN 201620102944 U CN201620102944 U CN 201620102944U CN 205488335 U CN205488335 U CN 205488335U
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- CN
- China
- Prior art keywords
- wrap
- film
- unwinding device
- slurry
- applicator roll
- 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.)
- Expired - Fee Related
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Classifications
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- 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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- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model relates to a spray type coating system for lithium cell, including coiling mechanism, unwinding device, coating roll, spraying device, wherein coiling mechanism and unwinding device interval set up, treat to coil respectively on coiling mechanism and unwinding device in the both ends of the film of coating, when unwinding device loosens the film, and film that the coiling mechanism is used for the coiling to loosen, the coating roll lies in between coiling mechanism and the unwinding device, line formation triangle -shaped structure between coiling mechanism, unwinding device, the coating roll three, the coating roll is used for the tensioning film, wherein the rear of coating roll is spraying device, and spraying device is responsible for filming to the positive spraying thick liquids formation of film, between coiling mechanism and the coating roll, place the thickness measuring device in the inboard of film, the thickness measuring device is used for measuring the thickness of filming, coiling mechanism, unwinding device, coating roll, spraying device, thickness measuring device be the connection control device respectively the utility model discloses a coating system can produce that thickness is even, the filming of high quality.
Description
Technical field
This utility model relates to lithium battery production field, especially relates to a kind of for lithium battery
Jet printing type coating system.
Background technology
Lithium ion battery is typically by anode pole piece, cathode pole piece and electrolyte and between positive pole pole
To prevent the barrier film of its short circuit from forming between sheet and cathode pole piece.Anode pole piece is usually at aluminium foil
Upper even spread for adsorb/release lithium ion containing such as composite oxides such as cobalt-lithium oxides
Active layer, cathode pole piece is usually even spread on Copper Foil and is used for adsorbing/release lithium ion
Active layer containing carbonaceous material.Anode pole piece and the uniformity of cathode pole piece film, stability
With the quality that the quality of film determines lithium battery performance and security performance.The painting used at present
Mode for cloth is divided into extrusion coated and transfer coated, and the slurry utilization rate of transfer coated is relatively low, film
Outward appearance and quality the highest；Extrusion coated is that continuous way produces, in order to obtain the film of gap coating
Sheet, it is generally required to take to scrape powder operation, the gap required with doctoring process after extrusion coated is complete
The powder of position, the most both wasted raw material, took time and effort again.
Utility model content
For solving the problems referred to above, this utility model provides a kind of production efficiency height, slurry utilization rate
The higher jet printing type coating system for lithium battery.Realize the technical scheme of above-mentioned purpose such as
Under:
Jet printing type coating system for lithium battery, it is characterised in that: include wrap-up, put
Winding apparatus, applicator roll, spray equipment, wherein wrap-up and unwinding device interval are arranged, and treat
The two ends of the thin film of coating are wound on wrap-up and unwinding device respectively, and unwinding device loosens
While thin film, wrap-up for the thin film that loosens of winding, applicator roll be positioned at wrap-up and
Between unwinding device, the line between wrap-up, unwinding device, applicator roll three forms three
Angular structure, applicator roll is used for stretched film；
Wherein the rear of applicator roll is spray equipment, and spray equipment is responsible for the front spraying slurry to thin film
Form film；
Placing measuring thickness device between wrap-up and applicator roll, in the inner side of thin film, measuring thickness device is used for
Measure the thickness of film；
Wherein wrap-up, unwinding device, applicator roll, spray equipment, measuring thickness device connect respectively
Connect control device.
Preferably, described spray equipment include nozzle, C-shaped flexible pipe, peristaltic pump, filling barrel,
Piston and linear drive apparatus, wherein filling barrel has inner chamber, and interior intracavity places slurry, nozzle
The front end of filling barrel, nozzle and inner space it is arranged on, simultaneously in filling barrel by C-shaped flexible pipe
Installing piston, piston promotes slurry to spray in nozzle；
Wherein said piston is connected with linear drive apparatus, and linear drive apparatus is electrically connected with controlling device
Connect, control device and control the linear drive apparatus promotion to piston, control device and can control slurry
Material carries out intermittent ejection；
Peristaltic pump is arranged in C-shaped flexible pipe, and peristaltic pump is for the slurry velocity stably sprayed.
Preferably, described slurry is electrode slurry.
Control device and can control the intermittent ejection of electrode slurry, it is possible to obtain painting separately
Film block, is therefore made without scraping powder, and efficiency is high, and coating system of the present utility model can be given birth to
The film that output thickness is uniform, quality is high.
Accompanying drawing explanation
Fig. 1 is this utility model schematic diagram
Fig. 2 is the partial enlarged drawing of Fig. 1
Figure number illustrates: wrap-up 1, unwinding device 2, applicator roll 3, spray equipment 4, thin
Film 5, measuring thickness device 6, nozzle 7, C-shaped flexible pipe 8, peristaltic pump 9, filling barrel 10, piston
11
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in detail.
Jet printing type coating system for lithium battery includes wrap-up 1, unwinding device 2, is coated with
Cloth rewinder roll 3, spray equipment 4, wherein wrap-up 1 and unwinding device 2 interval are arranged, to be coated
The two ends of the thin film 5 of cloth are wound on wrap-up 1 and unwinding device 2 respectively, unwinding device
While 2 loosen thin film 5, the thin film 5 that wrap-up 1 loosens for winding, applicator roll 3
Between wrap-up 1 and unwinding device 2, wrap-up 1, unwinding device 2, coating
Line between roller 3 three forms triangular structure, and applicator roll 3 is used for stretched film 5, because of
This applicator roll 3 can be static, need not rotate, if certainly needing applicator roll 3 to rotate also
It is possible；Wherein the rear of applicator roll 3 is spray equipment 4, and spray equipment 4 is responsible for thin
The front spraying slurry of film 5 forms film；Slurry is electrode slurry.Wrap-up 1 and coating
Placing measuring thickness device 6 between roller 3, in the inner side of thin film 5, measuring thickness device 6 is used for measuring painting
The thickness of film, measuring thickness device 6 is placed on the inner side of thin film 5 will not hinder walking and the inspection of workman
Look into.
Wrap-up 1 in this utility model, unwinding device 2, applicator roll 3, spray equipment 4,
Measuring thickness device 6 connects control device (not shown) respectively, by controlling in device control
State the start of parts.
Spray equipment 4 includes nozzle 7, C-shaped flexible pipe 8, peristaltic pump 9, filling barrel 10, lives
Plug 11 and linear drive apparatus (not shown), wherein filling barrel 10 has inner chamber, interior
Intracavity places electrode slurry, and inner chamber forms the material chamber of blowing, and nozzle 7 is pacified by C-shaped flexible pipe 8
It is contained in the front end of filling barrel 10, nozzle 7 and inner space, installs in filling barrel 10 simultaneously and live
Plug 11, piston 11 promotes electrode slurry to spray in nozzle 7；Described piston 11 and straight line
Driving means connect, piston 11 can under the drive of linear drive apparatus linear reciprocating motion,
Linear drive apparatus electrically connects with controlling device, controls device and controls linear drive apparatus to piston
11 promote, and control device can control electrode slurry and carry out intermittent ejection, this practicality
The control device with this function is chosen in prior art in novel.
Arranging peristaltic pump 9 in C-shaped flexible pipe 8, peristaltic pump 9 is for the electrode slurry stably sprayed
Speed.
Control device and regulate the motion speed of linear drive apparatus according to the data of measuring thickness device 6
Rate, and then control the amount of the electrode slurry of ejection, the THICKNESS CONTROL of film is need the most at last
Thickness.
Coating system of the present utility model can produce the film that thickness is uniform, quality is high, and
And efficiency is the highest.
These are only the preferred embodiment of this utility model embodiment, not in order to limit this
Utility model embodiment, within all spirit in this utility model embodiment and principle, is made
Any modification, equivalent substitution and improvement etc., should be included in the protection of this utility model embodiment
In the range of.
Claims (3)
1. for the jet printing type coating system of lithium battery, it is characterized in that: include wrap-up, unwinding device, applicator roll, spray equipment, wherein wrap-up and unwinding device interval are arranged, the two ends of thin film to be coated are wound on wrap-up and unwinding device respectively, while unwinding device loosens thin film, the thin film that wrap-up loosens for winding, applicator roll is between wrap-up and unwinding device, line between wrap-up, unwinding device, applicator roll three forms triangular structure, and applicator roll is used for stretched film；
Wherein the rear of applicator roll is spray equipment, and the front spraying slurry that spray equipment is responsible for thin film forms film；
Placing measuring thickness device between wrap-up and applicator roll, in the inner side of thin film, measuring thickness device is for measuring the thickness of film；
Wherein wrap-up, unwinding device, applicator roll, spray equipment, measuring thickness device connect control device respectively.
Jet printing type coating system for lithium battery the most according to claim 1, it is characterized in that: described spray equipment includes nozzle, C-shaped flexible pipe, peristaltic pump, filling barrel, piston and linear drive apparatus, wherein filling barrel has inner chamber, interior intracavity places slurry, nozzle is arranged on the front end of filling barrel by C-shaped flexible pipe, nozzle and inner space, install piston simultaneously in filling barrel, piston promotes slurry to spray in nozzle；
Wherein said piston is connected with linear drive apparatus, and linear drive apparatus electrically connects with controlling device, controls device and controls the linear drive apparatus promotion to piston, and control device can control slurry and carry out intermittent ejection；
Peristaltic pump is arranged in C-shaped flexible pipe, and peristaltic pump is for the slurry velocity stably sprayed.
Jet printing type coating system for lithium battery the most according to claim 1, it is characterised in that: described slurry is electrode slurry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620102944.4U CN205488335U (en) | 2016-02-01 | 2016-02-01 | A spray type coating system for lithium cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620102944.4U CN205488335U (en) | 2016-02-01 | 2016-02-01 | A spray type coating system for lithium cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205488335U true CN205488335U (en) | 2016-08-17 |
Family
ID=56672176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620102944.4U Expired - Fee Related CN205488335U (en) | 2016-02-01 | 2016-02-01 | A spray type coating system for lithium cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205488335U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110237995A (en) * | 2019-06-19 | 2019-09-17 | 京东方科技集团股份有限公司 | A kind of device and method preparing electrode |
| CN110846632A (en) * | 2019-12-05 | 2020-02-28 | 浙江工业大学 | Winding type fiber coating magnetron sputtering device |
| CN113056324A (en) * | 2018-04-26 | 2021-06-29 | 阿克拉有限公司 | Apparatus and method for preparing slurry and coating substrate with slurry |
| CN110846632B (en) * | 2019-12-05 | 2024-06-11 | 浙江工业大学 | Winding type fiber coating magnetron sputtering device |
-
2016
- 2016-02-01 CN CN201620102944.4U patent/CN205488335U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113056324A (en) * | 2018-04-26 | 2021-06-29 | 阿克拉有限公司 | Apparatus and method for preparing slurry and coating substrate with slurry |
| CN113056324B (en) * | 2018-04-26 | 2023-07-04 | 阿克拉有限公司 | Apparatus and method for preparing a slurry and coating a substrate with the slurry |
| CN110237995A (en) * | 2019-06-19 | 2019-09-17 | 京东方科技集团股份有限公司 | A kind of device and method preparing electrode |
| CN110846632A (en) * | 2019-12-05 | 2020-02-28 | 浙江工业大学 | Winding type fiber coating magnetron sputtering device |
| CN110846632B (en) * | 2019-12-05 | 2024-06-11 | 浙江工业大学 | Winding type fiber coating magnetron sputtering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20180201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |