CN106001130B - Lithium band temperature control calender device - Google Patents
Lithium band temperature control calender device Download PDFInfo
- Publication number
- CN106001130B CN106001130B CN201610393493.9A CN201610393493A CN106001130B CN 106001130 B CN106001130 B CN 106001130B CN 201610393493 A CN201610393493 A CN 201610393493A CN 106001130 B CN106001130 B CN 106001130B
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- China
- Prior art keywords
- lithium band
- electromagnetism
- lithium
- temperature
- calender device
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/16—Control of thickness, width, diameter or other transverse dimensions
- B21B37/18—Automatic gauge control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- 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
- H01M4/04—Processes of manufacture in general
-
- 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
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
- H01M4/0435—Rolling or calendering
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of lithium band temperature control calender device, for lithium band to be rolled into lithium film, including：The pre- calender device that precompressed is prolonged, including the first electromagnetism roller and the second electromagnetism roller that be arranged in parallel and the power supply powered for the first electromagnetism roller and the second electromagnetism roller are carried out to lithium band；The calender device that the lithium band delayed to precompressed is rolled；The temperature sensor that the temperature of lithium band for being delayed to precompressed is sensed, is arranged between the pre- calender device and calender device；And control device, and the temperature sensor and power electric connection, and the temperature data sensed according to the temperature sensor control the power supply.This lithium band temperature control calender device can carry out precompressed to lithium band and prolong, and the accurately temperature and thickness for the lithium band that control precompressed is delayed so that the lithium film that calendering is obtained can keep uniform on thickness and hardness.
Description
Technical field
The present invention relates to calender field, more specifically to a kind of lithium band temperature control calender device.
Background technology
In cell production process, the benefit lithium technique of electrodes of lithium-ion batteries is to improve the crucial skill of capacity of lithium ion battery
Art.Mend lithium technique key be roll and overlay film, calendering technology be exactly have certain thickness lithium band be rolled into lithium film, and
It is attached to a kind of technique on traction film.When being rolled at present using calender device to lithium band, due to supplied materials lithium band in itself
Hardness and uneven thickness, can cause the variable thickness for rolling obtained lithium film to cause.
Alternately the lithium band for entering calender device can be heated and cooled using hot blast and cold wind at present, but this side
Formula can not be accurately controlled temperature, if the temperature of hot blast is too high, lithium band can be caused too soft, roll the surface of obtained lithium film
Quality and thickness change are larger；If the temperature of cold wind is too low, the hardness of lithium band can be caused too high, brittle.
The content of the invention
The technical problem to be solved in the present invention is, obtained lithium film thickness is rolled not for calender device in the prior art
Equal defect is there is provided a kind of lithium band temperature control calender device, by the temperature for accurately controlling lithium band so that lithium film thickness is uniform.
The technical solution adopted for the present invention to solve the technical problems is：A kind of lithium band temperature control calender device is constructed, is used for
Lithium band is rolled into lithium film, including：
Carry out the pre- calender device that prolongs of precompressed to lithium band, including be arranged in parallel the first electromagnetism roller and the second electromagnetism roller, with
And the power supply powered for the first electromagnetism roller and the second electromagnetism roller；
The calender device that the lithium band delayed to precompressed is rolled；
The temperature sensor that the temperature of lithium band for being delayed to precompressed is sensed, be arranged on the pre- calender device and
Between calender device；And
Control device, and the temperature sensor and power electric connection, and the temperature sensed according to the temperature sensor
Data control the power supply.
According to lithium of the present invention band temperature control calender device, in the control device, design temperature is previously stored with
Value, the control device receives the temperature data of temperature sensor sensing, by the temperature data of sensing and the set temperature value
It is compared, and controls according to comparative result the power supply, controls by the first electromagnetism roller and the second electromagnetism roller
Electric current.
According to lithium of the present invention band temperature control calender device, the pre- calender device also includes to the first electromagnetism roller
Pressed to adjust the electromagnetism roller pressure exerting arrangement that it is exerted pressure, the electromagnetism roller pressure exerting arrangement and the control with the second electromagnetism roller
Device electrical connection processed.
According to lithium of the present invention band temperature control calender device, the pre- calender device also includes the first electromagnetism roll bearing seat
With the second electromagnetism roll bearing seat, the two ends of the first electromagnetism roller are fixed in the first electromagnetism roll bearing seat；Second electromagnetism
The two ends of roller are fixed in the second electromagnetism roll bearing seat.
According to lithium of the present invention band temperature control calender device, the electromagnetism roller pressure exerting arrangement is included respectively to described first
The the first electromagnetism roller pressure exerting arrangement and the second electromagnetism roller pressure exerting arrangement of electromagnetism roll bearing seat and the second electromagnetism roll bearing seat pressure.
According to lithium of the present invention band temperature control calender device, the pre- calender device also includes the lithium band delayed to precompressed
The range sensor that is sensed of thickness, the range sensor is arranged between the pre- calender device and calender device,
In the course for the lithium band delayed positioned at the precompressed, and electrically connected with the control device.
According to lithium of the present invention band temperature control calender device, in the control device, setpoint distance is previously stored with
Value, the control device receives the range data of the range sensor sensing, by the range data of sensing and setpoint distance value
It is compared, and the electromagnetism roller pressure exerting arrangement is controlled according to comparative result.
According to lithium of the present invention band temperature control calender device, the temperature sensor is infrared temperature sensor, and it is counted
Amount is two, is separately positioned on the both sides of lithium band and temperature of the lithium with both sides is sensed.
According to lithium of the present invention band temperature control calender device, the range sensor is laser distance sensor, and it is counted
Amount is two, is separately positioned on the both sides of lithium band and distance of the lithium with both sides is sensed and obtained the thickness of lithium band.
Implement the lithium band temperature control calender device of the present invention, have the advantages that：Precompressed can be carried out to lithium band to prolong, and
The temperature and thickness for the lithium band that accurate control precompressed is delayed so that the lithium film that calendering is obtained can keep equal on thickness and hardness
It is even.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is schematic diagram of the lithium with temperature control calender device in the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is schematic diagram of the lithium with temperature control calender device 10 in the present invention.In the present invention, lithium band temperature control calender device 10
The calender device rolled including the pre- calender device 100 rolled in advance to lithium band 11, the lithium band 11 delayed to precompressed
200 and control device.Pre- calender device 100 is rolled in advance to supplied materials lithium band 11, forms it into thickness and hardness is uniform
Lithium band 11；The lithium band 11 that calender device 200 is delayed to precompressed rolls, and forms it into lithium film.
Pre- calender device 100 includes：The the first electromagnetism roller 101 and the second electromagnetism roller 102 be arrangeding in parallel, for lithium band 11
Rolled in advance；First electromagnetism roller 101 and the second electromagnetism roller 102 are pressed to adjust the electromagnetism roller pressing machine that it is exerted pressure
Structure；And the power supply (not shown) powered for the first electromagnetism roller 101 and the second electromagnetism roller 102.
Specifically, the first electromagnetism roller 101 and the second electromagnetism roller 102 are cylindrical, and the two ends of the first electromagnetism roller 101 are consolidated
It is scheduled in the first electromagnetism roll bearing seat 103；The two ends of second electromagnetism roller 102 are fixed in the second electromagnetism roll bearing seat 104.Supplied materials
Lithium band is admitted between the first electromagnetism roller 101 and the second electromagnetism roller 102.
Electromagnetism roller pressure exerting arrangement includes the first electromagnetism roller pressure exerting arrangement 105 and the second electromagnetism roller pressure exerting arrangement 106, right respectively
First electromagnetism roll bearing seat 103 and the second electromagnetism roll bearing seat 104 press, so as to adjust the first electromagnetism roller 101 and the second electromagnetism
Roller 102 is exerted pressure to lithium band 11.First electromagnetism roller pressure exerting arrangement 105 includes oil cylinder 105a and is arranged on the first electromagnetism roller
Exerting pressure for pressure sensor 105b on bearing block 103, oil cylinder 105a is acted on the first electromagnetism roller 101, makes the first electromagnetism
Roller 101 compresses lithium band 11, and pressure sensor 105b is used to sense actually exerting pressure for oil cylinder 105a.Control device is set to exerting pressure
Determine preset value, if actually exerting pressure of sensing of pressure sensor 105b is more than or less than pre-seting, control device sends instruction
The pressure of fuel feeding is adjusted, so as to reach the relative equilibrium exerted pressure by changing oil cylinder 105a output pressure.
Similarly, the second electromagnetism roller pressure exerting arrangement 106 includes oil cylinder 106a and is arranged on the second electromagnetism roll bearing seat
Exerting pressure for pressure sensor 106b on 104, oil cylinder 106a is acted on the second electromagnetism roller 102, presses the second electromagnetism roller 102
Tight lithium band 11, pressure sensor 106b is used to sense actually exerting pressure for oil cylinder 106a.Control device is default to setting of exerting pressure
Value, if actually exerting pressure of sensing of pressure sensor 106b is more than or less than pre-seting, control device sends instruction regulation and supplied
The pressure of oil, so as to reach the relative equilibrium exerted pressure by changing oil cylinder 106a output pressure.
Pre- calender device 100 can also include electromagnetism roller clearance fine adjustment mechanism, for changing the first electromagnetism roller 101 and second
The size of working clearance between electromagnetism roller 102.
Between pre- calender device 100 and calender device 200, in the course for the lithium band 11 that precompressed is delayed, it is provided with
Temperature sensor 301, the temperature that the temperature sensor 301 is used for the lithium band 11 delayed to precompressed is sensed, and is filled with control
Put connection.The temperature sensor 301 can be such as infrared temperature sensor, and its quantity can be two, be separately positioned on lithium
With 11 both sides, sensed for the temperature to the both sides of lithium band 11.
In control device, set temperature value is previously stored with.Control device receives the temperature that temperature sensor 301 is sensed
Data, the temperature data of sensing and set temperature value are compared；And controlled according to comparative result as the first electromagnetism roller 101
The power supply powered with the second electromagnetism roller 102, to control the electric current by the first electromagnetism roller 101 and the second electromagnetism roller 102, reaches control
The purpose of caloric value processed.It is, when the temperature data and set temperature value of sensing have deviation, control device can change
The electric current that the power supply of one electromagnetism roller 101 and the second electromagnetism roller 102 is provided, to change the temperature for the lithium band 11 that precompressed is delayed, makes
The temperature value of its close setting.
Between pre- calender device 100 and calender device 200, in the course for the lithium band 11 that precompressed is delayed, also set up
Have range sensor 302, the thickness of lithium band 11 that the range sensor 302 is used to delay precompressed is sensed, and with control
Device is connected.The range sensor 302 can be such as laser distance sensor, and its quantity can be two, be separately positioned on
The both sides of lithium band 11, are sensed for the distance to the both sides of lithium band 11, so as to obtain the thickness of lithium band 11.
In control device, setpoint distance value is previously stored with.Control device receives the distance that range sensor 302 is sensed
Data, the range data of sensing is compared with setpoint distance value；And electromagnetism roller pressure exerting arrangement is controlled according to comparative result, with
Control the first electromagnetism roller 101 and the second exerting pressure to lithium band 11 of electromagnetism roller 102.It is, when the thickness data of sensing is with setting
When determining thickness value and there is deviation, control device can change exerting pressure for electromagnetism roller pressure exerting arrangement, and then change the first electromagnetism roller 101
With the second exerting pressure to lithium band 11 of electromagnetism roller 102, make the thickness for the lithium band 11 that precompressed delays close to the thickness value of setting.
Calender device 200 includes the first stack 201 and the second stack that lithium band 11 is rolled delayed to precompressed
202nd, the first stack 201 and the second stack 202 are pressed with adjust stack pressure exerting arrangement 203 that it exerts pressure,
And for changing the stack clearance fine adjustment mechanism of the working clearance between the first stack 201 and the second stack 202
204。
The two ends of first stack 201 are fixed in the first calendering roll bearing seat, and the two ends of the second stack 202 are fixed on
In second calendering roll bearing seat.The lithium band 11 that precompressed is delayed is admitted between the first stack 201 and the second stack.
Stack pressure exerting arrangement 203 includes oil cylinder 203a and the pressure sensing being arranged in the first calendering roll bearing seat
Exerting pressure for device 203b, oil cylinder 203a is acted on the first stack 201, the first stack 201 is compressed lithium band 11, and pressure is passed
Sensor 203b is used to sense actually exerting pressure for oil cylinder 203a.Control device is to setting preset value of exerting pressure, if pressure sensor
What 203b was sensed actually exerts pressure more than or less than pre-seting, and control device sends the pressure of instruction regulation fuel feeding, so that logical
Cross and change oil cylinder 203a output pressure to reach the relative equilibrium exerted pressure.
The lithium band temperature control calender device 10 of the present invention can in advance be rolled to lithium band 11, and accurately control what precompressed was delayed
The temperature and thickness of lithium band 11 so that the lithium film that calendering is obtained can keep uniform on thickness and hardness.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (9)
1. a kind of lithium band temperature control calender device, for lithium band to be rolled into lithium film, it is characterised in that including：
The pre- calender device that precompressed is prolonged, including the first electromagnetism roller and the second electromagnetism roller, Yi Jiwei be arrangeding in parallel are carried out to lithium band
The power supply that the first electromagnetism roller and the second electromagnetism roller are powered；
The calender device that the lithium band delayed to precompressed is rolled；
The temperature sensor that the temperature of lithium band for being delayed to precompressed is sensed, is arranged on the pre- calender device and calendering
Between device；And
Control device, and the temperature sensor and power electric connection, and the temperature data sensed according to the temperature sensor
To control the power supply.
2. lithium band temperature control calender device according to claim 1, it is characterised in that in the control device, deposit in advance
Set temperature value is contained, the control device receives the temperature data of temperature sensor sensing, by the temperature data of sensing and institute
State set temperature value to be compared, and control according to comparative result the power supply, to control by the first electromagnetism roller and
The electric current of second electromagnetism roller.
3. lithium band temperature control calender device according to claim 1, it is characterised in that the pre- calender device also includes to institute
State the first electromagnetism roller and the second electromagnetism roller is pressed to adjust the electromagnetism roller pressure exerting arrangement that it is exerted pressure, the electromagnetism roller pressure
Mechanism is electrically connected with the control device.
4. lithium band temperature control calender device according to claim 3, it is characterised in that the pre- calender device also includes first
Electromagnetism roll bearing seat and the second electromagnetism roll bearing seat, the two ends of the first electromagnetism roller are fixed in the first electromagnetism roll bearing seat；
The two ends of the second electromagnetism roller are fixed in the second electromagnetism roll bearing seat.
5. lithium band temperature control calender device according to claim 4, it is characterised in that the electromagnetism roller pressure exerting arrangement includes dividing
Other the first electromagnetism roller pressure exerting arrangement and the second electromagnetism pressed to the first electromagnetism roll bearing seat and the second electromagnetism roll bearing seat
Roller pressure exerting arrangement.
6. lithium band temperature control calender device according to claim 3, it is characterised in that the pre- calender device also includes to pre-
The range sensor that the thickness of lithium band after calendering is sensed, the range sensor is arranged on the pre- calender device and pressure
In the course for the lithium band prolong between device, delayed positioned at the precompressed, and electrically connected with the control device.
7. lithium band temperature control calender device according to claim 6, it is characterised in that in the control device, deposit in advance
Setpoint distance value is contained, the control device receives the range data of the range sensor sensing, by the range data of sensing
It is compared with setpoint distance value, and the electromagnetism roller pressure exerting arrangement is controlled according to comparative result.
8. lithium band temperature control calender device according to claim 1, it is characterised in that the temperature sensor is infrared temperature
Sensor, its quantity is two, is separately positioned on the both sides of lithium band and temperature of the lithium with both sides is sensed.
9. lithium band temperature control calender device according to claim 6, it is characterised in that the range sensor is laser distance
Sensor, its quantity is two, is separately positioned on the both sides of lithium band and distance of the lithium with both sides is sensed and lithium band is obtained
Thickness.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610393493.9A CN106001130B (en) | 2016-06-02 | 2016-06-02 | Lithium band temperature control calender device |
| PCT/CN2016/091506 WO2017206296A1 (en) | 2016-06-02 | 2016-07-25 | Lithium strip temperature control calendering apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610393493.9A CN106001130B (en) | 2016-06-02 | 2016-06-02 | Lithium band temperature control calender device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106001130A CN106001130A (en) | 2016-10-12 |
| CN106001130B true CN106001130B (en) | 2017-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610393493.9A Active CN106001130B (en) | 2016-06-02 | 2016-06-02 | Lithium band temperature control calender device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106001130B (en) |
| WO (1) | WO2017206296A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016222004A1 (en) * | 2016-11-09 | 2018-05-09 | Bayerische Motoren Werke Aktiengesellschaft | Production of thin films based on metal |
| CN110010844B (en) * | 2019-03-25 | 2022-04-12 | 合肥国轩高科动力能源有限公司 | Grading type calendering molding method for pre-lithium cathode |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2017206296A1 (en) | 2017-12-07 |
| CN106001130A (en) | 2016-10-12 |
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