CN207952214U - Lithium foil formation system - Google Patents
Lithium foil formation system Download PDFInfo
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- CN207952214U CN207952214U CN201820280223.1U CN201820280223U CN207952214U CN 207952214 U CN207952214 U CN 207952214U CN 201820280223 U CN201820280223 U CN 201820280223U CN 207952214 U CN207952214 U CN 207952214U
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- lithium
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- lithium foil
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Abstract
The utility model provides a kind of lithium foil formation system, includes lithium ingot pressing mechanism, rolling tensile force control mechanism, rolling deviation correction mechanism, anti-mucus spray body, Li Bo asymmetrical rollings mechanism, rolling tension control mechanism, winding deviation correction mechanism and the rolling-up mechanism set gradually according to process；Lithium ingot is squeezed into lithium band by lithium ingot pressing mechanism, then the lithium band after extruding is rolled by lithium foil by Li Bo asymmetrical rollings mechanism, lithium ingot is directly processed into lithium foil, reduce process and reduces the circulation of lithium band；And one layer of antitack agent is applied in lithium belt surface in the operation of rolling, it can effectively avoid lithium foil roll banding.
Description
Technical field
The utility model is related to technical field of lithium ion, more particularly to a kind of lithium foil formation system.
Background technology
Lithium ion battery has many advantages, such as output voltage height, effect without memory, at present extensively by battery of mobile phone, electricity
Electrical automobile industry is applied；Meanwhile raising performance of lithium ion battery also becomes the problem of most being paid close attention in lithium electricity industry, especially carries
High lithium battery capacity and the service life for extending lithium battery.
Important procedure is chemical conversion there are one in Production Process of Lithium Battery, and the purpose is to make during lithium battery initial charge
Its negative terminal surface forms solid electrolyte film (SEI films).But the formation of SEI films can consume part lithium, cause material therefrom
Thus the loss of lithium, battery capacity also reduce.In addition, during lithium battery recycles, SEI films can continue to consume and repair
Multiple, dead lithium can continue to increase inside positive and negative anodes, and the capacity of battery continues to decline, and result in battery cycle life reduction.
Decline to reduce battery capacity caused by the irreversible consumption of lithium ion in first charge-discharge and recycling
Problem supplements lithium ion battery negative electrode amount of activated lithium, so as to improve performance of lithium ion battery in advance.And it mends in advance
The lithium filled is ultra-thin lithium band, now provides a kind of processing method and system of ultra-thin lithium band.
Utility model content
Technical problem to be solved in the utility model is：In order to overcome deficiency in the prior art, the utility model to carry
For a kind of lithium foil formation system.
The utility model solves its technical problem technical solution to be taken：A kind of lithium foil formation system, including according to
Lithium ingot pressing mechanism that process is set gradually, rolling tensile force control mechanism, rolling deviation correction mechanism, anti-mucus spray body, lithium foil
Asymmetrical rolling mechanism, rolling tension control mechanism, winding deviation correction mechanism and rolling-up mechanism；The lithium ingot pressing mechanism is used for lithium
Ingot is squeezed into lithium band, and the rolling tensile force control mechanism is used to control the lithium band into before the rolling tensile force control mechanism
Tensity size, the rolling deviation correction mechanism are used for for correcting lithium band offset direction, the anti-mucus spray body in lithium band
Lower surface sprays anti-mucus, and lithium band is rolled into lithium foil by Li Bo asymmetrical rollings mechanism by the way of asymmetrical rolling, described
Rolling tension control mechanism is used to adjust the Tensity size of the lithium foil of Li Bo asymmetrical rollings mechanism formation, the winding deviation correction mechanism
For correcting lithium foil offset direction, the rolling-up mechanism is wound into a roll for that will be molded lithium foil.The utility model is different using lithium foil
Step rolling mechanism can be rolled into 5 microns thick ultra-thin lithium foil, and conventional synchronous rolling is unable to reach.
Lithium ingot is squeezed into lithium band by lithium ingot pressing mechanism, then by lithium foil asymmetrical rolling device by the lithium band after extruding
It is rolled into lithium foil, is realized on one device, process is reduced and reduces the circulation of lithium band.
Further, the lithium ingot pressing mechanism includes hydraulic cylinder, extrusion head, barrel and extrusion die, the hydraulic cylinder
Push rod is connect with extrusion head, and positioned at one end of the barrel, the extrusion head can be along barrel under the drive of the hydraulic cylinder
Circumferential movement, in the barrel other end, the extrusion die is equipped with the V-arrangement discharge port of big end outwardly for the extrusion die setting.
Further, in rolling, lithium band is pasted onto the surface of roll in order to prevent, increases anti-mucus spray body, described
Anti- mucus spray body includes top nozzle and lower nozzle, and the top nozzle and lower nozzle are located at the upper and lower ends of lithium band, and
It is open towards the direction of lithium band.The antitack agent is to complete to spray by antitack agent spray body, and antitack agent spray body can
Antitack agent is uniformly sprayed in lithium band upper and lower surface, one layer of antitack agent is applied in lithium belt surface, is then rolled, avoid lithium foil
Roll banding, lithium foil is wound after rolling.
Further, for the ease of control and lithium foil thickness adjustment, Li Bo asymmetrical rollings mechanism include topping roll and
Bottom roll, the topping roll and bottom roll are all made of independent driving, and there are speed discrepancies between the topping roll and bottom roll.
Preferably, the rotating speed of the topping roll and bottom roll is adjustable.
Further, in order to be cooled down to rolling mechanism, Li Bo asymmetrical rollings mechanism further includes roll coolant system.
To improve the reliability and rolling accuracy of rolling mechanism.
Preferably, the thickness range of the lithium band is 0.1mm-3mm, and the thickness range of the lithium foil is 0.003mm-
0.2mm。
The utility model has the beneficial effects that：A kind of lithium foil formation system provided by the utility model, is squeezed by lithium ingot
Lithium ingot is squeezed into lithium band by mechanism, then the lithium band after extruding is rolled into lithium foil by Li Bo asymmetrical rollings mechanism, and lithium ingot is straight
It connects and is processed into lithium foil, reduce process and reduce the circulation of lithium band；And one layer of antitack agent, Neng Gouyou are applied in lithium belt surface in the operation of rolling
Effect avoids lithium foil roll banding.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the best embodiment of the utility model.
In figure：1, hydraulic cylinder, 2, extrusion head, 3, barrel, 4, extrusion die, 5, rolling tensile force control mechanism, 6, rolling entangles
Inclined mechanism, 7, topping roll, 8, rolling tension control mechanism, 9, winding deviation correction mechanism, 10, rolling-up mechanism, 11, bottom roll, 12, anti-
Mucus spray body, 13, V-arrangement discharge port.
Specific implementation mode
The utility model is described in detail presently in connection with attached drawing.This figure is the schematic diagram of simplification, only in a schematic way
Illustrate the basic structure of the utility model, therefore it only shows composition related with the utility model.
As shown in Figure 1, a kind of lithium foil formation system of the utility model, includes the lithium ingot extruder set gradually according to process
Structure, rolling tensile force control mechanism 5, rolling deviation correction mechanism 6, anti-mucus spray body 12, Li Bo asymmetrical rollings mechanism, winding tension
Control mechanism 8, winding deviation correction mechanism 9 and rolling-up mechanism 10；The lithium ingot pressing mechanism is used to lithium ingot being squeezed into lithium band, described
Rolling tensile force control mechanism 5 is used to control the Tensity size into the lithium band before the rolling tensile force control mechanism 5, rolling
Power control mechanism 5 can be two groups, be separately positioned on the process rear and front end of rolling deviation correction mechanism 6, the rolling deviation correction mechanism 6
For correcting lithium band offset direction, the anti-mucus spray body 12 is used to spray anti-mucus, the lithium in lithium band upper and lower surface
Lithium band is rolled into lithium foil by foil asymmetrical rolling mechanism by the way of asymmetrical rolling, and the rolling tension control mechanism 8 is for adjusting
The Tensity size for the lithium foil that Zheng Libo asymmetrical rollings mechanism is formed, the winding deviation correction mechanism 9 are used to correct lithium foil offset direction,
The rolling-up mechanism 10 is wound into a roll for that will be molded lithium foil.
Lithium ingot is squeezed into lithium band by lithium ingot pressing mechanism, then by lithium foil asymmetrical rolling device by the lithium band after extruding
It is rolled into lithium foil, is realized on one device, process is reduced and reduces the circulation of lithium band.
Further, the lithium ingot pressing mechanism includes hydraulic cylinder 1, extrusion head 2, barrel 3 and extrusion die 4, the hydraulic pressure
The push rod of cylinder 1 is connect with extrusion head 2, and positioned at one end of the barrel 3, drive of the extrusion head 2 in the hydraulic cylinder 1
Under can be along 3 circumferential movement of barrel, the setting of the extrusion die 4 is equipped with big end court in 3 other end of barrel, the extrusion die 4
Outer V-arrangement discharge port 13.
Further, in rolling, lithium band is pasted onto the surface of roll in order to prevent, increases anti-mucus spray body 12, institute
It includes top nozzle and lower nozzle to state anti-mucus spray body 12, and the top nozzle and lower nozzle are located at up and down the two of lithium band
End, and be open towards the direction of lithium band.The antitack agent is to complete to spray by antitack agent spray body, antitack agent spray body
Antitack agent can be uniformly sprayed in lithium band upper and lower surface, apply one layer of antitack agent in lithium belt surface, then rolled, avoided
Lithium foil roll banding, lithium foil is wound after rolling.
For the ease of controlling the adjustment with lithium foil thickness, Li Bo asymmetrical rollings mechanism includes topping roll 7, bottom roll 11
And roll coolant system, the topping roll 7 and bottom roll 11 are all made of independent driving, and the topping roll 7 and bottom roll 11 it
Between there are speed discrepancies.The rotating speed of the topping roll 7 and bottom roll 11 is adjustable.
Preferably, the thickness range of the lithium band is 0.1mm-3mm, and the thickness range of the lithium foil is 0.003mm-
0.2mm。
The course of work：
Supplied materials lithium ingot is positioned in barrel 3, and extrusion head 2 provides pressure by hydraulic cylinder 11, and extrusion head 2 squeezes in barrel 3
Lithium ingot, lithium ingot is shaped to the lithium band of 0.1mm-3mm thickness by extrusion die 4, and lithium band passes through rolling tensile force control mechanism 5 and controls
Tension carries out correction control by rolling deviation correction mechanism 6, and anti-mucus is uniformly sprayed at lithium band or more by anti-mucus spray body 12
Surface is rolled by topping roll 7 and bottom roll 11, lithium foil is formed after rolling, lithium foil thickness range is 0.003mm-
0.2mm.Lithium foil carries out tension force by rolling tension control mechanism 8 again, is rectified a deviation by winding deviation correction mechanism 9, finally
It is wound by rolling-up mechanism 10.
It is enlightenment, through the above description, relevant work with the above-mentioned desirable embodiment according to the utility model
Personnel can carry out various changes and amendments in without departing from the scope of the utility model completely.This item utility model
Technical scope is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.
Claims (7)
1. a kind of lithium foil formation system, it is characterised in that：Include the lithium ingot pressing mechanism set gradually according to process, rolling tensile force control
Mechanism processed（5）, rolling deviation correction mechanism（6）, anti-mucus spray body（12）, Li Bo asymmetrical rollings mechanism, winding tension control machine
Structure（8）, winding deviation correction mechanism（9）And rolling-up mechanism（10）；The lithium ingot pressing mechanism is used to lithium ingot being squeezed into lithium band, described
Rolling tensile force control mechanism（5）Enter the rolling tensile force control mechanism for controlling（5）The Tensity size of lithium band before, institute
State rolling deviation correction mechanism（6）For correcting lithium band offset direction, the anti-mucus spray body（12）For the following table on lithium band
Face sprays anti-mucus, and lithium band is rolled into lithium foil, the winding by Li Bo asymmetrical rollings mechanism by the way of asymmetrical rolling
Tension control mechanism（8）Tensity size for the lithium foil for adjusting the formation of Li Bo asymmetrical rollings mechanism, the winding deviation correction mechanism
（9）For correcting lithium foil offset direction, the rolling-up mechanism（10）It is wound into a roll for lithium foil will to be molded.
2. lithium foil formation system as described in claim 1, it is characterised in that：The lithium ingot pressing mechanism includes hydraulic cylinder（1）、
Extrusion head（2）, barrel（3）And extrusion die（4）, the hydraulic cylinder（1）Push rod and extrusion head（2）Connection, and positioned at described
Barrel（3）One end, the extrusion head（2）In the hydraulic cylinder（1）Drive under can be along barrel（3）Circumferential movement, it is described to squeeze
Compression mould（4）It is arranged in barrel（3）The other end, the extrusion die（4）It is equipped with the V-arrangement discharge port of big end outwardly（13）.
3. lithium foil formation system as described in claim 1, it is characterised in that：The anti-mucus spray body（12）Including upper spray
Mouth and lower nozzle, the top nozzle and lower nozzle are located at the upper and lower ends of lithium band, and are open towards the direction of lithium band.
4. lithium foil formation system as described in claim 1, it is characterised in that：Li Bo asymmetrical rollings mechanism includes topping roll
（7）And bottom roll（11）, the topping roll（7）And bottom roll（11）It is all made of independent driving, and the topping roll（7）It is rolled under
Roller（11）Between there are speed discrepancies.
5. lithium foil formation system as claimed in claim 4, it is characterised in that：The topping roll（7）And bottom roll（11）Turn
Speed is adjustable.
6. lithium foil formation system as claimed in claim 4, it is characterised in that：Li Bo asymmetrical rollings mechanism further includes roll
Cooling system.
7. lithium foil formation system as described in claim 1, it is characterised in that：The thickness range of the lithium band is 0.1mm-3mm,
The thickness range of the lithium foil is 0.003mm-0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820280223.1U CN207952214U (en) | 2018-02-27 | 2018-02-27 | Lithium foil formation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820280223.1U CN207952214U (en) | 2018-02-27 | 2018-02-27 | Lithium foil formation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207952214U true CN207952214U (en) | 2018-10-12 |
Family
ID=63740069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820280223.1U Active CN207952214U (en) | 2018-02-27 | 2018-02-27 | Lithium foil formation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207952214U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434477A (en) * | 2018-12-03 | 2019-03-08 | 山东重山光电材料股份有限公司 | A kind of lithium boron alloy process equipment |
| CN110369550A (en) * | 2019-07-21 | 2019-10-25 | 奉新赣锋锂业有限公司 | A kind of production of lithium metal rope and wrap-up |
| CN111299321A (en) * | 2020-03-06 | 2020-06-19 | 重庆天齐锂业有限责任公司 | Processing device and processing method of ultrathin lithium foil |
| CN111558625A (en) * | 2020-06-29 | 2020-08-21 | 太原科技大学 | Extrusion-rolling continuous forming device |
| CN111725496A (en) * | 2019-03-18 | 2020-09-29 | 天津中能锂业有限公司 | Ultrathin lithium foil and preparation method thereof |
| CN112563444A (en) * | 2019-09-25 | 2021-03-26 | 北京卫蓝新能源科技有限公司 | Asynchronous heating and rolling device, large-width ultrathin metal lithium foil, and preparation method and application thereof |
| CN112620373A (en) * | 2020-12-25 | 2021-04-09 | 帅福得（珠海保税区）电池有限公司 | Lithium extruder |
| CN112958734A (en) * | 2021-02-03 | 2021-06-15 | 大连交通大学 | Preparation method and application of two-dimensional metal lithium |
| CN114335432A (en) * | 2021-12-31 | 2022-04-12 | 珠海冠宇电池股份有限公司 | Metal lithium belt, negative plate and battery |
-
2018
- 2018-02-27 CN CN201820280223.1U patent/CN207952214U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434477A (en) * | 2018-12-03 | 2019-03-08 | 山东重山光电材料股份有限公司 | A kind of lithium boron alloy process equipment |
| CN109434477B (en) * | 2018-12-03 | 2024-04-30 | 山东重山光电材料股份有限公司 | Lithium boron alloy processing equipment |
| CN111725496A (en) * | 2019-03-18 | 2020-09-29 | 天津中能锂业有限公司 | Ultrathin lithium foil and preparation method thereof |
| CN110369550A (en) * | 2019-07-21 | 2019-10-25 | 奉新赣锋锂业有限公司 | A kind of production of lithium metal rope and wrap-up |
| CN110369550B (en) * | 2019-07-21 | 2024-02-27 | 奉新赣锋锂业有限公司 | Production and coiling mechanism of lithium metal rope |
| CN112563444A (en) * | 2019-09-25 | 2021-03-26 | 北京卫蓝新能源科技有限公司 | Asynchronous heating and rolling device, large-width ultrathin metal lithium foil, and preparation method and application thereof |
| CN111299321B (en) * | 2020-03-06 | 2022-05-10 | 重庆天齐锂业有限责任公司 | Processing method of ultrathin lithium foil |
| CN111299321A (en) * | 2020-03-06 | 2020-06-19 | 重庆天齐锂业有限责任公司 | Processing device and processing method of ultrathin lithium foil |
| CN111558625A (en) * | 2020-06-29 | 2020-08-21 | 太原科技大学 | Extrusion-rolling continuous forming device |
| CN111558625B (en) * | 2020-06-29 | 2022-02-22 | 太原科技大学 | Extrusion-rolling continuous forming device |
| CN112620373A (en) * | 2020-12-25 | 2021-04-09 | 帅福得（珠海保税区）电池有限公司 | Lithium extruder |
| CN112958734A (en) * | 2021-02-03 | 2021-06-15 | 大连交通大学 | Preparation method and application of two-dimensional metal lithium |
| CN114335432A (en) * | 2021-12-31 | 2022-04-12 | 珠海冠宇电池股份有限公司 | Metal lithium belt, negative plate and battery |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Patentee after: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. Patentee after: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Address before: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Patentee before: Kaibo Energy Technology Co.,Ltd. Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Patentee after: Kaibo Energy Technology Co.,Ltd. Patentee after: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Address before: No.88 Jintan Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee before: CHINA AVIATION LITHIUM BATTERY RESEARCH INSTITUTE Co.,Ltd. Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220119 Address after: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Patentee after: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. Patentee after: Zhongchuangxin Aviation Technology Co.,Ltd. Address before: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Patentee before: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. |