CN205128595U - Lithium ion battery pole piece rolling machine - Google Patents
Lithium ion battery pole piece rolling machine Download PDFInfo
- Publication number
- CN205128595U CN205128595U CN201520916111.7U CN201520916111U CN205128595U CN 205128595 U CN205128595 U CN 205128595U CN 201520916111 U CN201520916111 U CN 201520916111U CN 205128595 U CN205128595 U CN 205128595U
- Authority
- CN
- China
- Prior art keywords
- roller
- foil sheet
- pole piece
- puts
- 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.)
- Active
Links
Classifications
-
- 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
Abstract
The utility model relates to a lithium ion battery pole piece rolling machine, top tread roller on including the frame and locating the frame, the bottom roll, the roller is put to the pole piece, the roller is received to the pole piece, it puts the roller to go up the foil piece, go up the foil piece and receive the roller, roller and lower foil piece receipts roller are put to the foil piece down, the pole piece is put the roller and is located, the left side of bottom roll, the pole piece is received the roller and is located, the right side of bottom roll, it puts the roller to go up the foil piece, down the foil piece is put left side and the pole piece that the roller all is located top tread roller and bottom roll and is put between the roller, go up the foil piece and receive the roller, foil piece receipts roller all is located between the right side and pole piece receipts roller of top tread roller and bottom roll down, and it puts the roller and goes up the foil piece and receive the top that the roller is located the top tread roller to go up the foil piece, descend the foil piece to put the roller and descend the foil piece to receive the below that the roller is located the bottom roll. The utility model discloses use in a flexible way, upper and lower roll is exerted pressure to the pole piece two sides through upper and lower foil piece when rolling, guarantees that pole piece vertical direction spacing of particle is even, effectively avoids the powder to come off, improves the electric chemical property and the safety in utilization of battery.
Description
Technical field
The utility model relates to technical field of lithium-ion battery, particularly relates to a kind of electrodes of lithium-ion batteries rolling device.
Background technology
Lithium ion battery is as a kind of novel green high-capacity environment-protecting dynamic property battery, have memory-less effect, operating voltage high, have extended cycle life, can fast charging and discharging, serviceability temperature scope is wide and pollute the series of advantages such as few, now be widely used in the fields such as mobile phone, notebook computer, electric motor car, applied very extensive.
Lithium ion battery is made up of positive pole, negative pole, electrolyte and barrier film etc., and each part is made up of the different component of complexity, as negative pole comprises graphite, conductive agent, binding agent and Copper Foil etc., middle also will through homogenate, the technical process some complexity such as rolling.In fact lithium ion battery is a kind of concentration cell, and positive and negative electrode is made up of two kinds of different Lithium-ion embeding compounds.During charging, Li
+embed negative pole from positive pole deintercalation through electrolyte, now negative pole is in rich lithium state, and positive pole is in poor lithium state; Then contrary during electric discharge, Li
+from negative pole deintercalation, embed positive pole through electrolyte, positive pole is in rich lithium state, and negative pole is in poor lithium state.The operating voltage of lithium ion battery is relevant with the concentration of the Lithium-ion embeding compound itself and lithium ion that form electrode.
The factor affecting lithium ion battery chemical property is a lot, and process is main influence factor.The positive pole of lithium ion battery and negative pole are all solid particle packed structures, are filled with conductive agent granule between bulky grain, and these particles are fixed together by binding agent.And enough spaces must be had between these particles can to allow that electrolyte enters, to facilitate the transmission of lithium ion; Also to there is certain contact area between particle simultaneously, ensure that electronics is in intergranular conduction; Carrying out particle volume and can change in addition along with the embedding lithium of charge and discharge process/de-lithium process, ensure will be deposited in all the time between particle together irreversible modification and efflorescence not to occur.And current battery preparation technique, upper and lower roll is adopted to roll the pole piece of the lithium ion battery being coated with powder, upper and lower roll directly contacts with the powder being bonded in pole piece two sides, apply pressure, because the hardness of pole piece is well below the hardness of the roll of stainless steel, therefore when exerting pressure in pole piece two sides, internal stress differs greatly, cause the grain spacing on vertical pole piece direction uneven, powder obscission is easily there is in the battery produced thus in charge and discharge process later stage of particularly circulating, cause battery performance to be deteriorated, even can cause safety problem.
Summary of the invention
The utility model mainly solves original when rolling battery pole piece, upper and lower roll directly contacts with the powder being bonded in pole piece two sides, apply pressure, cause the grain spacing on vertical pole piece direction uneven, powder obscission is easily there is in battery in charge and discharge process later stage of particularly circulating, cause battery performance to be deteriorated, there is the technical problem of potential safety hazard; A kind of battery pole-piece rolling device is provided, paillon foil can be set on pole piece two sides as required, when guaranteeing to roll battery pole piece, upper and lower roll does not directly contact with the powder being bonded in pole piece two sides, but apply pressure by the paillon foil that is positioned at pole piece two sides, guarantee that pole piece vertical direction grain spacing is even, make battery not easily occur powder obscission in charge and discharge process later stage of particularly circulating, improve battery performance, also improve the security that battery uses.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: the utility model comprises frame and is located at the topping roll in frame, bottom roll, pole piece puts roller and pole piece receives roller, topping roll is positioned at the top of bottom roll, pole piece puts the left side that roller is positioned at topping roll and bottom roll, pole piece receives the right side that roller is positioned at topping roll and bottom roll, described frame is provided with foil sheet and puts roller, upper foil sheet receives roller and lower foil sheet puts roller, lower foil sheet receives roller, upper foil sheet puts roller and lower foil sheet puts the left side that roller is positioned at topping roll and bottom roll, upper foil sheet receives roller and lower foil sheet receives the right side that roller is positioned at topping roll and bottom roll, and upper foil sheet puts roller and upper foil sheet receives the top that roller is positioned at topping roll, lower foil sheet puts roller and lower foil sheet receives the below that roller is positioned at bottom roll.This device both can be used for not needing rolling of upper and lower foil sheet, also can be used for needing rolling of upper and lower foil sheet.When not needing upper and lower foil sheet to roll, upper and lower foil sheet is only wound on upper and lower foil sheet and puts on roller, only has pole piece through upper and lower roll, one end that two sides is coated with the pole piece of powder is wound on pole piece and puts on roller, and the other end of pole piece is received roller through being wound on pole piece between upper and lower roll.On needs, when lower foil sheet rolls, on, lower foil sheet and pole piece are all through upper, between bottom roll, be wound on foil sheet and put upper foil sheet on roller from upper, passing between bottom roll and being wound on foil sheet receives on roller, be wound on lower foil sheet and put lower foil sheet on roller from upper, passing between bottom roll and being wound on lower foil sheet receives on roller, and upper foil sheet is positioned at above pole piece, lower foil sheet is positioned at below pole piece, on, lower foil sheet and pole piece tape transport simultaneously, topping roll, bottom roll rolls the pole piece that two sides is coated with powder respectively by upper foil sheet and lower foil sheet, on, bottom roll discord powder directly contacts, therefore uniform force, guarantee that pole piece vertical direction grain spacing is even, battery is made not easily to occur powder obscission in charge and discharge process later stage of particularly circulating, improve battery performance, also the security that battery uses is improved.And through rolling and rolling after upper and lower foil unreels, can repeatedly Reusability, and high price can be carried out recycle, cost is lower, and cost performance is high.
As preferably, described upper foil sheet is put on roller and is wound with foil sheet, one end of upper foil sheet is received roller through being wound on described upper foil sheet between upper and lower roll, described lower foil sheet is put on roller and is wound with lower foil sheet, one end of lower foil sheet is received roller through being wound on described lower foil sheet between upper and lower roll, and upper foil sheet is positioned to be treated above roller pole piece, lower foil sheet is positioned to be treated below roller pole piece.Topping roll, bottom roll roll the pole piece that two sides is coated with powder respectively by upper foil sheet and lower foil sheet, upper and lower roll discord powder directly contacts, therefore uniform force, guarantee that pole piece vertical direction grain spacing is even, battery is made not easily to occur powder obscission in charge and discharge process later stage of particularly circulating, improve battery performance, also improve the security that battery uses.And through rolling and rolling after upper and lower foil unreels, can repeatedly Reusability, and high price can be carried out recycle, cost is lower, and cost performance is high.
As preferably, material and the thickness of described upper foil sheet and lower foil sheet are all identical.Pole piece two sides uniform force when guaranteeing further to roll.
As preferably, described frame comprise base and be located at the roller bracket on base, upper foil sheet puts roller support and upper foil sheet receives roller support, described topping roll and bottom roll are arranged on roller bracket, described upper foil sheet is put roller and is arranged on foil sheet and puts on roller support, described upper foil sheet is received roller and is arranged on foil sheet receipts roller support, described lower foil sheet is put roller and is arranged on described base, and described lower foil sheet is received roller and is arranged on described base.Structure is simple, and it is convenient to realize.Each roller drives by motor, and motor is controlled by the governor circuit on device again, and adjustment power of motor just can adjust the rotating speed of each folding and unfolding roller, thus the tape running speed of adjustment pole piece and upper and lower foil sheet.The downforce of upper and lower roll, lifting force, driven by adjustment the power of the motor of elevating mechanism to realize, realized the adjustment rolling thickness by the applying pressure adjusting upper and lower roll.Roll thickness, refer to roll and terminate the thickness that rear two sides is coated with the pole piece of powder.
As preferably, described lower foil sheet is put roller and is positioned at the lower right that described upper foil sheet puts roller, and described lower foil sheet is received roller and is positioned at the lower right that described upper foil sheet receives roller.Guarantee that upper and lower foil sheet unreels length consistent, suffered pulling force is consistent, pole piece two sides uniform force when guaranteeing further to roll.
As preferably, described frame is provided with lower tape transport roller and upper tape transport roller, described pole piece is put roller and is positioned at the left side that described upper and lower foil sheet puts roller, described pole piece is received roller and is positioned at the right side that described upper and lower foil sheet receives roller, lower tape transport roller and upper tape transport roller put roller and upper and lower foil sheet is put between roller at described pole piece, and lower tape transport roller puts roller near pole piece, upper tape transport roller puts roller near upper and lower foil sheet, lower tape transport roller is positioned at the below that pole piece puts roller, and upper tape transport roller had not only been put between roller above lower tape transport roller but also at upper and lower foil sheet.Pole piece tape transport is more smooth and easy, also more steady.
As preferably, be provided with heating element heater in described topping roll and bottom roll, heating element heater is connected with temperature control circuit.The heating-up temperature of heating element heater can be set by temperature control circuit, thus the convenient temperature regulating upper and lower roll.
As preferably, described heating element heater adopts resistive heater.Certainly also other heating element heater can be adopted.
The beneficial effects of the utility model are: use flexibly, both can be used for not needing, rolling of lower foil sheet, also can be used on needs, rolling of lower foil sheet, in employing, when lower foil sheet rolls, on, bottom roll does not directly contact with the powder being bonded in pole piece two sides, but by being positioned at the upper of pole piece two sides, lower foil sheet applies pressure, guarantee that pole piece vertical direction grain spacing is even, guarantee that the battery that is made thus not easily occurs powder obscission in charge and discharge process later stage of particularly circulating, thus improve the chemical property of battery, also the security that battery uses is improved.
Accompanying drawing explanation
Fig. 1 is a kind of syndeton schematic diagram of the present utility model.
Fig. 2 is a kind of local of the present utility model syndeton schematic diagram.
1. topping rolls, 2. bottom roll in figure, 3. pole piece puts roller, 4. pole piece receives roller, 5. pole piece, 6. goes up foil sheet and puts roller, 7. go up foil sheet and receive roller, 8. descend foil sheet to put roller, 9. descend foil sheet to receive roller, 10. go up foil sheet, 11. times foil sheets, 12. bases, 13. roller brackets, on 14., foil sheet puts roller support, and on 15., foil sheet receives roller support, 16. times tape transport rollers, tape transport roller on 17..
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: a kind of electrodes of lithium-ion batteries rolling device of the present embodiment, as Fig. 1, shown in Fig. 2, comprise frame and rack-mounted topping roll 1, bottom roll 2, pole piece puts roller 3, lower tape transport roller 16, upper tape transport roller 17, pole piece receives roller 4, upper foil sheet puts roller 6, upper foil sheet receives roller 7, lower foil sheet puts roller 8 and lower foil sheet receives roller 9, frame comprises base 12 and is arranged on the roller bracket 13 on base 12, upper foil sheet puts roller support 14 and upper foil sheet receives roller support 15, upper foil sheet puts the left side of roller support 14 at roller bracket 13, upper foil sheet receives roller support 15 on the right side of roller bracket 13, pole piece puts roller 3, lower tape transport roller 16, upper tape transport roller 17 is from left to right positioned at the left side that foil sheet puts roller support 14 successively.Topping roll 1 and bottom roll 2 are arranged on roller bracket 13, topping roll 1 is positioned at the top of bottom roll 2, upper foil sheet is put roller 6 and is arranged on the top that foil sheet puts roller support 14, upper foil sheet is received roller 7 and is arranged on the top that foil sheet receives roller support 15, lower foil sheet is put roller 8 and to be arranged on base 12 and to be positioned at the lower right that foil sheet puts roller 6, and lower foil sheet is received roller 9 and to be arranged on base 12 and to be positioned at the lower right that foil sheet receives roller 7.Lower tape transport roller 16 and upper tape transport roller 17 put roller 3 and upper and lower foil sheet is put between roller 6,8 at pole piece, and lower tape transport roller 16 puts roller 3 near pole piece, upper tape transport roller 17 puts roller 6,8 near upper and lower foil sheet, lower tape transport roller 16 is positioned at the below that pole piece puts roller 3, and upper tape transport roller 17 had not only been put between roller 6,8 above lower tape transport roller 16 but also at upper and lower foil sheet.Pole piece is received roller 4 and is positioned at the right side that upper and lower foil sheet receives roller 7,9, and its upright position is received between roller at upper and lower foil sheet.All be provided with resistive heater in upper and lower roll, resistive heater is connected with temperature control circuit, can be arranged and regulate the temperature of upper and lower roll by temperature control circuit.One end that two sides is coated with the pole piece of powder is wound on pole piece and puts on roller, and the other end of pole piece is received roller through being wound on pole piece between upper and lower roll.Upper foil sheet is put on roller 6 and is wound with foil sheet 10, one end of upper foil sheet 10 is received roller 7 through being wound on upper foil sheet between upper and lower roll 1,2, lower foil sheet is put on roller 8 and is wound with lower foil sheet 11, one end of lower foil sheet 11 is received roller 9 through being wound on lower foil sheet between upper and lower roll 1,2, and upper foil sheet 10 is positioned at above pole piece 5, lower foil sheet 11 is positioned at below pole piece 5.Material and the thickness of upper foil sheet 10 and lower foil sheet 11 are all identical.The running of each roller is all undertaken arranging and controlling by the governor circuit of device, is driven by corresponding motor, and adjustment power of motor just can adjust the rotating speed of each roller, thus the tape running speed of adjustment pole piece and upper and lower foil sheet.The downforce of upper and lower roll, lifting force, driven by adjustment the power of the motor of elevating mechanism to realize, realized the adjustment rolling thickness by the applying pressure adjusting upper and lower roll.Roll thickness, refer to roll and terminate the thickness that rear two sides is coated with the pole piece of powder.
Rolling of electrodes of lithium-ion batteries, preferably through twice roller compaction process:
Once roll: do not add upper and lower foil sheet, pole piece is put roller and unreeled, and pole piece passes between topping roll and bottom roll, the pole piece that topping roll and bottom roll and two sides are coated with powder directly contacts and rolls, and the pole piece rolling after rolling is received on roller to pole piece.
Secondary rolls: add upper and lower foil sheet, upper foil sheet, lower foil sheet all pass between topping roll and bottom roll, pole piece puts roller when unreeling, upper foil sheet puts roller, lower foil sheet is put roller and also unreeled simultaneously, powder when rolling on upper and lower roll discord pole piece directly contacts, but by upper foil sheet and lower foil sheet, pole piece is rolled, what contact with the powder on pole piece is upper and lower foil sheet, pole piece rolling after rolling is received on roller to pole piece, the rolling of upper foil sheet is received on roller to upper foil sheet, and the rolling of lower foil sheet is received on roller to lower foil sheet.
After battery film-making, adopt polyalkene diaphragm to carry out winding assembling, finally make resultant battery.
The battery be made into by the present embodiment and undertaken detecting and comparing by the common battery be made into that rolls, the former is better than common batteries by every chemical property of battery.
Adopt the battery pole piece that the utility model is made, pole piece vertical direction grain spacing is even, guarantee to use the battery of this pole piece not easily to occur powder obscission in charge and discharge process later stage of particularly circulating, thus improve the chemical property of battery, also improve the security that battery uses.
Claims (8)
1. an electrodes of lithium-ion batteries rolling device, comprise frame and be located at the topping roll (1) in frame, bottom roll (2), pole piece puts roller (3) and pole piece receives roller (4), topping roll (1) is positioned at the top of bottom roll (2), pole piece puts the left side that roller (3) is positioned at topping roll (1) and bottom roll (2), pole piece receives the right side that roller (4) is positioned at topping roll (1) and bottom roll (2), it is characterized in that described frame is provided with foil sheet and puts roller (6), upper foil sheet receives roller (7) and lower foil sheet puts roller (8), lower foil sheet receives roller (9), upper foil sheet puts roller (6) and lower foil sheet puts the left side that roller (8) is positioned at topping roll (1) and bottom roll (2), upper foil sheet receives roller (7) and lower foil sheet receives the right side that roller (9) is positioned at topping roll (1) and bottom roll (2), and upper foil sheet puts roller (6) and upper foil sheet receives the top that roller (7) is positioned at topping roll (1), lower foil sheet puts roller (8) and lower foil sheet receives the below that roller (9) is positioned at bottom roll (2).
2. a kind of electrodes of lithium-ion batteries rolling device according to claim 1, it is characterized in that described upper foil sheet is put on roller (6) and be wound with foil sheet (10), one end of upper foil sheet (10) is from upper, bottom roll (1, 2) receive on roller (7) through being wound on described upper foil sheet between, described lower foil sheet is put on roller (8) and is wound with lower foil sheet (11), one end of lower foil sheet (11) is from upper, bottom roll (1, 2) receive on roller (9) through being wound on described lower foil sheet between, and upper foil sheet (10) is positioned at treats above roller pole piece (5), lower foil sheet (11) is positioned at treats below roller pole piece (5).
3. a kind of electrodes of lithium-ion batteries rolling device according to claim 2, it is characterized in that the material of described upper foil sheet (10) and lower foil sheet (11) and thickness all identical.
4. a kind of electrodes of lithium-ion batteries rolling device according to claim 1, it is characterized in that described frame comprises base (12) and is located at the roller bracket (13) on base (12), upper foil sheet puts roller support (14) and upper foil sheet receives roller support (15), described topping roll (1) and bottom roll (2) are arranged on roller bracket (13), described upper foil sheet is put roller (6) and is arranged on foil sheet and puts on roller support (14), described upper foil sheet is received roller (7) and is arranged on foil sheet receipts roller support (15), described lower foil sheet is put roller (8) and is arranged on described base (12), described lower foil sheet is received roller (9) and is arranged on described base (12).
5. a kind of electrodes of lithium-ion batteries rolling device according to claim 4, it is characterized in that described lower foil sheet is put roller (8) and is positioned at the lower right that described upper foil sheet puts roller (6), described lower foil sheet is received roller (9) and is positioned at the lower right that described upper foil sheet receives roller (7).
6. a kind of electrodes of lithium-ion batteries rolling device according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that described frame is provided with lower tape transport roller (16) and upper tape transport roller (17), described pole piece is put roller (3) and is positioned at described upper, lower foil sheet puts roller (6, 8) left side, described pole piece is received roller (4) and is positioned at described upper, lower foil sheet receives roller (7, 9) right side, lower tape transport roller (16) and upper tape transport roller (17) are positioned at described pole piece and put roller (3) and upper, lower foil sheet puts roller (6, 8) between, and lower tape transport roller (16) puts roller (3) near pole piece, upper tape transport roller (17) is near upper, lower foil sheet puts roller (6, 8), lower tape transport roller (16) is positioned at the below that pole piece puts roller (3), upper tape transport roller (17) is not only positioned at lower tape transport roller (16) top but also is positioned at, lower foil sheet puts roller (6, 8) between.
7. a kind of electrodes of lithium-ion batteries rolling device according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that being provided with heating element heater in described topping roll (1) and bottom roll (2), heating element heater is connected with temperature control circuit.
8. a kind of electrodes of lithium-ion batteries rolling device according to claim 7, is characterized in that described heating element heater adopts resistive heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520916111.7U CN205128595U (en) | 2015-11-17 | 2015-11-17 | Lithium ion battery pole piece rolling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520916111.7U CN205128595U (en) | 2015-11-17 | 2015-11-17 | Lithium ion battery pole piece rolling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205128595U true CN205128595U (en) | 2016-04-06 |
Family
ID=55614421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520916111.7U Active CN205128595U (en) | 2015-11-17 | 2015-11-17 | Lithium ion battery pole piece rolling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205128595U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109802098A (en) * | 2019-03-19 | 2019-05-24 | 天津中能锂业有限公司 | A kind of super thin metal lithium foil process units and method |
-
2015
- 2015-11-17 CN CN201520916111.7U patent/CN205128595U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109802098A (en) * | 2019-03-19 | 2019-05-24 | 天津中能锂业有限公司 | A kind of super thin metal lithium foil process units and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201122626Y (en) | Pole piece of stack type battery and pole core and battery including the same | |
| EP1383197B1 (en) | Secondary battery manufacturing method and manufacturing device | |
| CN104538584B (en) | A kind of multilayer negative plate, the preparation method of negative plate and lithium ion battery | |
| CN109103496A (en) | A kind of long storage life lithium ion battery and preparation method thereof | |
| CN109148827A (en) | A kind of prelithiation method of electrode of lithium cell | |
| CN105583226A (en) | Rolling method and device for battery pole piece | |
| WO2023109405A1 (en) | Battery | |
| CN111370644B (en) | Pole piece and processing method thereof, battery core structure and battery | |
| CN107359307B (en) | Lithium ion battery pole piece lithium supplementing device | |
| CN109524621A (en) | A kind of prelithiation method and device for the lithium ion battery negative electrode that prelithiation degree is controllable | |
| CN208722986U (en) | A kind of continuous prelithiation device of lithium ion cell electrode | |
| JP2003017111A (en) | Secondary cell, manufacturing method and manufacturing system of secondary cell | |
| CN108336297A (en) | A kind of method for preparing lithium ion battery pole pieces | |
| CN202888313U (en) | Device for processing anode strip of lithium ion battery | |
| KR20160091563A (en) | Electrode Drying Device Including Hybrid Drying Oven | |
| CN205128595U (en) | Lithium ion battery pole piece rolling machine | |
| CN208111604U (en) | A kind of fixed device of soft bag lithium ionic cell chemical conversion | |
| CN101393981A (en) | Lithium ionic cell pole piece, production thereof, and lithium ionic battery produced by using the pole piece | |
| CN105226238A (en) | Pole piece lithium powder rolling device and method | |
| CN210224168U (en) | Lithium ion battery pole piece prelithiation device | |
| CN202888314U (en) | Device for processing anode strip of lithium ion battery | |
| CN209487602U (en) | The device of anode plate for lithium ionic cell substep prelithiation | |
| CN102339986B (en) | Electrodes of lithium-ion batteries preparation facilities and preparation method | |
| JP2022534760A (en) | Direct coating of electrodes in silicon-based anode cells | |
| US20130056092A1 (en) | Coating apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210107 Address after: 310000 room 207, 2 / F, building 11, No.1 Jiaogong Road, Xihu District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Botan New Energy Technology Co.,Ltd. Address before: 310012 room 3116, building 3, No.9 xidoumen Road, Xihu District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU BOTAN TECHNOLOGY ENGINEERING Co.,Ltd. |
|
| TR01 | Transfer of patent right |