CN105845897B - Split calendering split composite lithium supplementing device - Google Patents
Split calendering split composite lithium supplementing device Download PDFInfo
- Publication number
- CN105845897B CN105845897B CN201610326198.1A CN201610326198A CN105845897B CN 105845897 B CN105845897 B CN 105845897B CN 201610326198 A CN201610326198 A CN 201610326198A CN 105845897 B CN105845897 B CN 105845897B
- Authority
- CN
- China
- Prior art keywords
- lithium
- film
- calendering
- isolation film
- seperated
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- 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
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
- Cell Separators (AREA)
Abstract
The invention relates to a split-body pressure-extension split-body composite lithium supplementing device, which is used for supplementing lithium to a pole piece and at least comprises: a first upper surface rolling device for rolling the first upper surface lithium ribbon into a first upper surface lithium film; a second upper surface rolling device for rolling the second upper surface lithium tape into a second upper surface lithium film; a first laminating device for attaching a first upper surface lithium film to the upper surface of the first portion of the pole piece, the first laminating device being disposed downstream of the first upper surface calendering device in the direction of travel of the pole piece; and a second film coating device for attaching a second upper surface lithium film to the upper surface of the second portion of the pole piece, the second film coating device being disposed downstream of the first film coating device in the traveling direction of the pole piece. The invention can respectively roll at least two parts of lithium films with narrower breadth, and respectively attach the lithium films to the corresponding parts of the pole pieces after rolling, thereby forming the lithium films with wider breadth together and ensuring the consistency of the thickness of the lithium films.
Description
Technical field
The present invention relates to calender fields, more specifically to a kind of compound benefit lithium device of seperated calendering fission.
Background technology
In cell production process, the benefit lithium technique of electrodes of lithium-ion batteries is the key that improve capacity of lithium ion battery skill
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
A kind of technique being attached on traction film.The benefit lithium technique of current battery pole piece is all two-sided benefit lithium, so calendering lithium film is divided into
A, the two sides B.If A, the breadth on the two sides B is smaller, roll all only once.If A, the breadth on the two sides B is larger, if using
The phenomenon that primary calendering, long pressure roller has deformation when by strongly rolling, for example, diameter is within 200mm, roll surface length
Pressure roller more than 300mm, when by the calendering force of 5T, the bending of roll surface is between 0.005-0.008mm, and the thickness of lithium film
It is general to require between 0.003-0.005mm, it is difficult to ensure the consistency of the thickness of lithium film after rolling.
Invention content
The technical problem to be solved in the present invention is, for pole piece in the prior art breadth it is larger when be difficult to ensure calendering
The defect of the consistency of the thickness of lithium film afterwards provides a kind of seperated calendering fission compound benefit lithium device, can be in the breadth of pole piece
Ensure the consistency of the thickness of lithium film after rolling when larger.
The technical solution adopted by the present invention to solve the technical problems is：Construct a kind of compound benefit lithium dress of seperated calendering fission
It sets, for carrying out benefit lithium to pole piece, the compound benefit lithium device of the seperated calendering fission includes at least：
The first upper surface calendering device for the first upper surface lithium band to be rolled into the first upper surface lithium film；
The second upper surface calendering device for the second upper surface lithium band to be rolled into the second upper surface lithium film；
The first overlay film on the upper surface of first part for the first upper surface lithium film to be attached to the pole piece
Device, on the direction of travel of the pole piece, first film covering device is arranged under the calendering device of first upper surface
Trip；And
The second overlay film on the upper surface of second part for the second upper surface lithium film to be attached to the pole piece
Device, on the direction of travel of the pole piece, second film covering device is arranged in the downstream of first film covering device.
The compound benefit lithium device of seperated calendering fission according to the present invention, the fission roll seperated compound benefit lithium device
Further include：
The first lower surface calendering device for the first lower surface lithium band to be rolled into the first lower surface lithium film, described first
Lower surface calendering device is with first upper surface calendering device between the upper and lower every setting；And
The second lower surface calendering device for the second lower surface lithium band to be rolled into the second lower surface lithium film, described second
Lower surface calendering device is with second upper surface calendering device between the upper and lower every setting；
The first upper surface lithium film and the first lower surface lithium film are respectively attached to institute by first film covering device simultaneously
State the upper and lower surface of the first part of the pole piece；
The second upper surface lithium film and the second lower surface lithium film are respectively attached to institute by second film covering device simultaneously
State the upper and lower surface of the second part of the pole piece.
The compound benefit lithium device of seperated calendering fission according to the present invention, first upper surface calendering device include：
A pair of first upper surface stack disposed in parallel；
For being put to the first upper surface lithium band for supplying the first upper surface lithium band between this pair of first upper surface stack
Roll up device；
For unreeling device for the left isolation film in the first upper surface of the first upper surface lithium band supply left side isolation film；
For unreeling device for the right isolation film in the first upper surface of the first upper surface lithium band supply right side isolation film；And
The first upper table for being wound to the left side isolation film being formed by the first upper surface lithium film
The left isolation film coiler in face.
The compound benefit lithium device of seperated calendering fission according to the present invention, first lower surface calendering device include：
A pair of first lower surface stack disposed in parallel；
For being put to the first lower surface lithium band for supplying the first lower surface lithium band between this pair of first lower surface stack
Roll up device；
For unreeling device for the left isolation film in the first lower surface of the first lower surface lithium band supply left side isolation film；
For unreeling device for the right isolation film in the first lower surface of the first lower surface lithium band supply right side isolation film；And
The first following table for being wound to the right side isolation film being formed by the first lower surface lithium film
The right isolation film coiler in face.
The seperated compound benefit lithium device of seperated calendering according to the present invention, in first upper surface calendering device and the
Between one film covering device, it is provided with the first upper surface edge cutter and the first upper surface Deviation rectifier；Roll in first lower surface
Between device and the first film covering device, it is provided with the first lower surface edge cutter and the first lower surface Deviation rectifier.
The compound benefit lithium device of seperated calendering fission according to the present invention, second upper surface calendering device include：
A pair of second upper surface stack disposed in parallel；
For being put to the second upper surface lithium band for supplying the second upper surface lithium band between this pair of second upper surface stack
Roll up device；
For unreeling device for the left isolation film in the second upper surface of the second upper surface lithium band supply left side isolation film；
For unreeling device for the right isolation film in the second upper surface of the second upper surface lithium band supply right side isolation film；And
The second upper table for being wound to the left side isolation film being formed by the second upper surface lithium film
The left isolation film coiler in face.
The compound benefit lithium device of seperated calendering fission according to the present invention, second lower surface calendering device include：
A pair of second lower surface stack disposed in parallel；
For being put to the second lower surface lithium band for supplying the second lower surface lithium band between this pair of second lower surface stack
Roll up device；
For unreeling device for the left isolation film in the second lower surface of the second lower surface lithium band supply left side isolation film；
For unreeling device for the right isolation film in the second lower surface of the second lower surface lithium band supply right side isolation film；And
The second following table for being wound to the right side isolation film being formed by the second lower surface lithium film
The right isolation film coiler in face.
The seperated compound benefit lithium device of seperated calendering according to the present invention, in second upper surface calendering device and the
Between two film covering devices, it is provided with the second upper surface edge cutter and the second upper surface Deviation rectifier；Roll in second lower surface
Between device and the second film covering device, it is provided with the second lower surface edge cutter and the second lower surface Deviation rectifier.
Seperated compound the benefits lithium device of seperated calendering according to the present invention, first film covering device further include being used for pair
The right isolation film coiler in the first upper surface that the right side isolation film of the first upper surface upper surfaces Li Mo is wound and for pair
The left isolation film coiler in the first lower surface that the left side isolation film of the first lower surface lower surfaces Li Mo is wound.
Seperated compound the benefits lithium device of seperated calendering according to the present invention, second film covering device further include being used for pair
The right isolation film coiler in the second upper surface that the right side isolation film of the second upper surface upper surfaces Li Mo is wound and for pair
The left isolation film coiler in the second lower surface that the left side isolation film of the second lower surface lower surfaces Li Mo is wound.
The seperated compound benefit lithium device of seperated calendering for implementing the present invention, has the advantages that：It can be relatively narrow by breadth
At least two parts lithium film rolled respectively, and be attached on the corresponding part of pole piece respectively again after calendering, to common shape
At the wider lithium film of breadth, it is ensured that the thin consistency of lithium film thickness.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is the schematic diagram of pole piece coating process；
Fig. 2 is the seperated compound structural schematic diagram for mending lithium device of calendering fission in the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
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 the schematic diagram of 11 coating process of pole piece.Fig. 2 is that fission rolls seperated compound benefit lithium device 10 in the present invention
Structural schematic diagram.As shown in Figure 1, in the present invention, in the case where the breadth of pole piece 11 is larger, each surface of pole piece 11
The relatively narrow lithium band of corresponding at least two root range width, it is after lithium band is rolled into lithium film respectively, position on two surfaces is mutual corresponding
One group of lithium film is attached on pole piece 11, and the mutual corresponding another group of lithium film in position on two surfaces is attached to pole piece 11 again later
On, to which the pole piece 11 larger to breadth carries out benefit lithium.
As shown in Fig. 2, the seperated seperated compound benefit lithium device 10 that rolls of the present invention includes：For by the first upper surface lithium band
101 are rolled into the first upper surface calendering device 100 of the first upper surface lithium film 102, for rolling the second upper surface lithium band 201
At the second upper surface calendering device 200 of the second upper surface lithium film 202, for the first lower surface lithium band 301 to be rolled into first
First lower surface calendering device 300 of lower surface lithium film 302, for the second lower surface lithium band 401 to be rolled into the second lower surface
Second lower surface calendering device 400 of lithium film 402, for the first upper surface lithium film 102 and the first lower surface lithium film 302 to be adhered to
The first film covering device 500 on to pole piece 11 and for the second upper surface lithium film 202 and the first upper surface lithium film 402 is attached
The second film covering device 600 on pole piece 11.
First upper surface calendering device 100 and the first lower surface calendering device 300 are between the upper and lower every setting.Second upper table face pressure
Prolong device 200 and the second lower surface calendering device 400 between the upper and lower every setting.And the second upper surface calendering device 200 and first
The stagger setting arranged side by side on the direction of travel of pole piece 11 of upper surface calendering device 100.
Wherein, the first upper surface calendering device 100 include a pair of first upper surface stack disposed in parallel 103,104,
For to the first upper surface lithium band for supplying the first upper surface lithium band 101 between this pair of first upper surface stack 103,104
It unreels device 105, unreel device for supplying the left isolation film in the first upper surface of left side isolation film 106 for the first upper surface lithium band 101
107, for for the first upper surface lithium band 101 supply right side isolation film 108 the right isolation film in the first upper surface unreel device 109, with
And the left isolation in the first upper surface for being wound to the left side isolation film 106 being formed by the first upper surface lithium film 102
Film coiler 110.Wherein, left side isolation film 106 and right side isolation film 108 are individually insulated the two of the first upper surface lithium band 101
Side makes the first upper surface lithium band 101 be isolated with the first upper surface stack 103,104, avoids adhering to the first upper surface stack
103, on 104.After first upper surface lithium band 101 is calendered into the first upper surface lithium film 102, the left isolation film winding in the first upper surface
Device 110 removes left side isolation film 106, and right side isolation film 108 is located at the upper surface of the first upper surface lithium film 102, and with
One upper surface lithium film 102 is continued on to the first film covering device 500.
Between the first upper surface calendering device 100 and the first film covering device 500, it is additionally provided with the first upper surface edge cutter
111 and the first upper surface Deviation rectifier 112.The edge of the first upper surface lithium film 102 formed after calendering has a S-shaped cabling, and first
Upper surface edge cutter 111 is used to carry out trimming to the first upper surface lithium film 102, to ensure two groups of lithium films adjacent on same surface
Between spacing, such as ideal spacing is within 0.3mm.First upper surface Deviation rectifier 112 is for ensureing the first upper surface lithium
The degree of registration of film 102.
First lower surface calendering device 300 include a pair of first lower surface stack disposed in parallel 303,304, for
The first lower surface lithium band that the first lower surface lithium band 301 is supplied between this pair of first lower surface stack 303,304 unreels device
305, device 307 is unreeled, for supplying right side isolation film 308 for supplying the left isolation film in the first lower surface of left side isolation film 306
The right isolation film in the first lower surface unreel device 309 and the first lower surface right side for being wound to right side isolation film 308 every
From film coiler 310.Wherein, left side isolation film 306 and right side isolation film 308 are individually insulated in the first lower surface lithium band 301
Both sides make the first lower surface lithium band 301 be isolated with the first lower surface stack 303,304, avoid adhering to the calendering of the first lower surface
On roller 303,304.After first lower surface lithium band 301 is calendered into the first lower surface lithium film 302, the right isolation film in the first lower surface is received
Volume device 310 removes right side isolation film 308, and left side isolation film 306 is located at the lower surface of the first lower surface lithium film 302, and with
First lower surface lithium film 302 is continued on to the first film covering device 500.
Between the first lower surface calendering device 300 and the first film covering device 500, it is additionally provided with the first lower surface edge cutter
311 and the first lower surface Deviation rectifier 312.The edge of the first lower surface lithium film 302 formed after calendering has a S-shaped cabling, and first
Lower surface edge cutter 311 is used to carry out trimming to the first lower surface lithium film 302, to ensure two groups of lithium films adjacent on same surface
Between spacing, such as ideal spacing is within 0.3mm.First lower surface Deviation rectifier 312 is for ensureing the first lower surface lithium
The degree of registration of film 302.
Later, the first upper surface lithium film 102 and the first lower surface lithium film 302 are continued on to the first film covering device 500.
First film covering device 500 unreels device 505 and up and down a pair of first overlay film roller 501,502 disposed in parallel, pole piece including pole piece
11 are fed between the first overlay film roller 501,502, and the first upper surface lithium film 102 is fed into above the upper surface of pole piece 11
Between first overlay film roller 501,502, the first lower surface lithium film 302 is fed into the first overlay film roller below the lower surface of pole piece 11
501, between 502.After the first film covering device 500, the first upper surface lithium film 102 and the first lower surface lithium film 302 adhere to respectively
In the upper and lower surface of pole piece 11, and the position of the first upper surface lithium film 102 and the first lower surface lithium film 302 phase up and down
It is right, cover the upper and lower surface of the first part of pole piece 11.
First film covering device 500 further includes for the progress of right side isolation film 108 to the first upper surface upper surfaces Li Mo102
The right isolation film coiler 503 in the first upper surface wound and the left side for the first lower surface lower surfaces Li Mo302 are isolated
The left isolation film coiler in the first lower surface that film 306 is wound 504.The right isolation film coiler in wherein the first upper surface 503 is set
It sets in the top of pole piece 11, and the left isolation film coiler in the first lower surface 504 is arranged in the lower section of pole piece 11.
Similarly, the second upper surface calendering device 200 include a pair of second upper surface stack 203 disposed in parallel,
204, for the second upper surface for supplying the second upper surface lithium band 201 between this pair of second upper surface stack 203,204
Lithium band unreels device 205, unreels device 207, for supplying right side for supplying the left isolation film in the second upper surface of left side isolation film 206
The right isolation film in the second upper surface of isolation film 208 unreel device 209 and for being wound to left side isolation film 206 second
The left isolation film coiler in upper surface 210.Wherein, left side isolation film 206 and right side isolation film 208 are individually insulated in the second upper surface
The both sides of lithium band 201 make the second upper surface lithium band 201 be isolated with the second upper surface stack 203,204, avoid adhering on second
On surface stack 203,204.After second upper surface lithium band 201 is calendered into the second upper surface lithium film 202, the second upper surface is left
Isolation film coiler 210 removes left side isolation film 206, and right side isolation film 208 is located at the upper table of the second upper surface lithium film 202
Face, and continued on to the second film covering device 600 with the second upper surface lithium film 202.
Between the second upper surface calendering device 200 and the second film covering device 600, it is additionally provided with the second upper surface edge cutter
211 and the second upper surface Deviation rectifier 212.The edge of the second upper surface lithium film 202 formed after calendering has a S-shaped cabling, and second
Upper surface edge cutter 211 is used to carry out trimming to the second upper surface lithium film 202, to ensure two groups of lithium films adjacent on same surface
Between spacing, such as ideal spacing is within 0.3mm.Second upper surface Deviation rectifier 212 is for ensureing the second upper surface lithium
The degree of registration of film 202.
Second lower surface calendering device 400 include a pair of second lower surface stack disposed in parallel 403,404, for
The second lower surface lithium band that the second lower surface lithium band 401 is supplied between this pair of second lower surface stack 403,404 unreels device
405, device 407 is unreeled, for supplying right side isolation film 408 for supplying the left isolation film in the second lower surface of left side isolation film 406
The right isolation film in the second lower surface unreel device 409 and the second lower surface right side for being wound to right side isolation film 408 every
From film coiler 410.Wherein, left side isolation film 406 and right side isolation film 408 are individually insulated in the second lower surface lithium band 401
Both sides make the second lower surface lithium band 401 be isolated with the second lower surface stack 403,404, avoid adhering to the calendering of the second lower surface
On roller 403,404.After second lower surface lithium band 401 is calendered into the second lower surface lithium film 402, the right isolation film in the second lower surface is received
Volume device 410 removes right side isolation film 406, and left side isolation film 408 is located at the lower surface of the second lower surface lithium film 402, and with
Second lower surface lithium film 402 is continued on to the second film covering device 600.
Between the second lower surface calendering device 400 and the second film covering device 600, it is additionally provided with the second lower surface edge cutter
411 and the second lower surface Deviation rectifier 412.The edge of the second lower surface lithium film 402 formed after calendering has a S-shaped cabling, and second
Lower surface edge cutter 411 is used to carry out trimming to the second lower surface lithium film 402, to ensure two groups of lithium films adjacent on same surface
Between spacing, such as ideal spacing is within 0.3mm.Second lower surface Deviation rectifier 412 is for ensureing the second lower surface lithium
The degree of registration of film 402.
Later, the second upper surface lithium film 202 and the second lower surface lithium film 402 are continued on to the second film covering device 600.
Second film covering device 600 includes upper and lower a pair of second overlay film roller 601,602 disposed in parallel, and pole piece 11 is fed into the second overlay film
Between roller 601,602, the second upper surface lithium film 202 is fed into the second overlay film roller 601,602 above the upper surface of pole piece 11
Between, the second lower surface lithium film 402 is fed into below the lower surface of pole piece 11 between the second overlay film roller 601,602.Through
After two film covering devices 600, the second upper surface lithium film 202 and the second lower surface lithium film 402 are respectively attached to the upper surface of pole piece 11
And lower surface, and the position of the second upper surface lithium film 202 and the second lower surface lithium film 402 is opposite up and down, the of covering pole piece 11
The upper and lower surface of two parts.
Second film covering device 600 further includes for the progress of right side isolation film 208 to the second upper surface upper surfaces Li Mo202
The right isolation film coiler 603 in the second upper surface wound and the left side for the second lower surface lower surfaces Li Mo402 are isolated
The left isolation film coiler in the second lower surface that film 408 is wound 604.The right isolation film coiler in wherein the second upper surface 603 is set
It sets in the top of pole piece 11, and the left isolation film coiler in the second lower surface 604 is arranged in the lower section of pole piece 11.
After pole piece 11 marches at the first film covering device 500, the first upper surface lithium film 102 and the first lower surface lithium film
The upper and lower surface of the first part of 302 covering pole pieces 11；After pole piece 11 is continued on to the second film covering device 600, second
The upper and lower surface of the second part of upper surface lithium film 202 and the second lower surface lithium film 402 covering pole piece 11, first part upper surface
The first upper surface lithium film 102 and the second upper surface lithium film 202 of second part upper surface be mutually butted, ideal spacing exists
Within 0.3mm, this docking can form the larger lithium film of breadth on the upper surface of pole piece 11.The lower surface of pole piece 11 with it is upper
Surface is similar, and details are not described herein.
The seperated compound lithium device 10 of mending of fission calendering further includes the detector 700 positioned at 600 downstream of the second film covering device, should
Detector 700 includes CCD online detection instruments 701 for being detected to pole piece 11 and is labelled to faulty materials
Bad product applicator 702.
The seperated compound lithium device 10 of mending of fission calendering further includes the pole piece coiler 703 positioned at 700 downstream of detector, is used for
Pole piece 11 after the completion of benefit lithium is wound.
The seperated seperated compound benefit lithium device 10 that rolls of the present invention carries out the relatively narrow at least two parts lithium film of breadth respectively
Calendering, and be attached to respectively on the corresponding part of pole piece 11 again after calendering, to which the wider lithium film of breadth, Ke Yibao be collectively formed
Demonstrate,prove the thin consistency of lithium film thickness.
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
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. the compound benefit lithium device of a kind of seperated calendering fission, for carrying out benefit lithium to pole piece, which is characterized in that the seperated calendering
Seperated compound benefit lithium device includes at least：
The first upper surface calendering device for the first upper surface lithium band to be rolled into the first upper surface lithium film；
The second upper surface calendering device for the second upper surface lithium band to be rolled into the second upper surface lithium film；
The first film covering device on the upper surface of first part for the first upper surface lithium film to be attached to the pole piece,
On the direction of travel of the pole piece, first film covering device is arranged in the downstream of first upper surface calendering device；With
And
The second film covering device on the upper surface of second part for the second upper surface lithium film to be attached to the pole piece,
On the direction of travel of the pole piece, second film covering device is arranged in the downstream of first film covering device.
2. the compound benefit lithium device of seperated calendering fission according to claim 1, which is characterized in that the seperated calendering is seperated
Compound benefit lithium device further includes：
The first lower surface calendering device for the first lower surface lithium band to be rolled into the first lower surface lithium film, first following table
Face calendering device is with first upper surface calendering device relative to each other between the upper and lower every setting；And
The second lower surface calendering device for the second lower surface lithium band to be rolled into the second lower surface lithium film, second following table
Face calendering device is with second upper surface calendering device relative to each other between the upper and lower every setting；
The first upper surface lithium film and the first lower surface lithium film are respectively attached to the pole by first film covering device simultaneously
The upper and lower surface of the first part of piece；
The second upper surface lithium film and the second lower surface lithium film are respectively attached to the pole by second film covering device simultaneously
The upper and lower surface of the second part of piece.
3. the compound benefit lithium device of seperated calendering fission according to claim 2, which is characterized in that the first upper table face pressure
Prolonging device includes：
A pair of first upper surface stack disposed in parallel；
For unreeling device to the first upper surface lithium band for supplying the first upper surface lithium band between this pair of first upper surface stack；
For unreeling device for the left isolation film in the first upper surface of the first upper surface lithium band supply left side isolation film；
For unreeling device for the right isolation film in the first upper surface of the first upper surface lithium band supply right side isolation film；And
The first upper surface for being wound to the left side isolation film being formed by the first upper surface lithium film is left
Isolation film coiler.
4. the compound benefit lithium device of seperated calendering fission according to claim 3, which is characterized in that the first following table face pressure
Prolonging device includes：
A pair of first lower surface stack disposed in parallel；
For unreeling device to the first lower surface lithium band for supplying the first lower surface lithium band between this pair of first lower surface stack；
For unreeling device for the left isolation film in the first lower surface of the first lower surface lithium band supply left side isolation film；
For unreeling device for the right isolation film in the first lower surface of the first lower surface lithium band supply right side isolation film；And
The first lower surface for being wound to the right side isolation film being formed by the first lower surface lithium film is right
Isolation film coiler.
5. the compound benefit lithium device of seperated calendering fission according to claim 4, which is characterized in that in first upper surface
Between calendering device and the first film covering device, it is provided with the first upper surface edge cutter and the first upper surface Deviation rectifier；Described
Between a lower surface calendering device and the first film covering device, it is provided with the first lower surface edge cutter and the first lower surface Deviation rectifier.
6. the compound benefit lithium device of seperated calendering fission according to claim 4, which is characterized in that the second upper table face pressure
Prolonging device includes：
A pair of second upper surface stack disposed in parallel；
For unreeling device to the second upper surface lithium band for supplying the second upper surface lithium band between this pair of second upper surface stack；
For unreeling device for the left isolation film in the second upper surface of the second upper surface lithium band supply left side isolation film；
For unreeling device for the right isolation film in the second upper surface of the second upper surface lithium band supply right side isolation film；And
The second upper surface for being wound to the left side isolation film being formed by the second upper surface lithium film is left
Isolation film coiler.
7. the compound benefit lithium device of seperated calendering fission according to claim 6, which is characterized in that the second following table face pressure
Prolonging device includes：
A pair of second lower surface stack disposed in parallel；
For unreeling device to the second lower surface lithium band for supplying the second lower surface lithium band between this pair of second lower surface stack；
For unreeling device for the left isolation film in the second lower surface of the second lower surface lithium band supply left side isolation film；
For unreeling device for the right isolation film in the second lower surface of the second lower surface lithium band supply right side isolation film；And
The second lower surface for being wound to the right side isolation film being formed by the second lower surface lithium film is right
Isolation film coiler.
8. the compound benefit lithium device of seperated calendering fission according to claim 7, which is characterized in that in second upper surface
Between calendering device and the second film covering device, it is provided with the second upper surface edge cutter and the second upper surface Deviation rectifier；Described
Between two lower surface calendering devices and the second film covering device, it is provided with the second lower surface edge cutter and the second lower surface Deviation rectifier.
9. the compound benefit lithium device of seperated calendering fission according to claim 4, which is characterized in that first film covering device
It further include the right isolation film winding in the first upper surface wound for the right side isolation film to the first upper surface upper surfaces Li Mo
Device and the left isolation film winding in the first lower surface wound for the left side isolation film to the first lower surface lower surfaces Li Mo
Device.
10. the compound benefit lithium device of seperated calendering fission according to claim 7, which is characterized in that the second overlay film dress
The right isolation film in the second upper surface for further including to be wound for the right side isolation film to the second upper surface upper surfaces Li Mo is set to receive
Volume device and the left isolation film in the second lower surface wound for the left side isolation film to the second lower surface lower surfaces Li Mo are received
Roll up device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610326198.1A CN105845897B (en) | 2016-05-16 | 2016-05-16 | Split calendering split composite lithium supplementing device |
| PCT/CN2016/091508 WO2017197754A1 (en) | 2016-05-16 | 2016-07-25 | Split calendering and split combining lithium replenishment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610326198.1A CN105845897B (en) | 2016-05-16 | 2016-05-16 | Split calendering split composite lithium supplementing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105845897A CN105845897A (en) | 2016-08-10 |
| CN105845897B true CN105845897B (en) | 2018-07-13 |
Family
ID=56593473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610326198.1A Active CN105845897B (en) | 2016-05-16 | 2016-05-16 | Split calendering split composite lithium supplementing device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105845897B (en) |
| WO (1) | WO2017197754A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108615846A (en) * | 2018-05-10 | 2018-10-02 | 上海乾得智能科技有限公司 | A kind of power battery lithium film set composite and method |
| WO2024016226A1 (en) * | 2022-07-20 | 2024-01-25 | 宁德时代新能源科技股份有限公司 | Lithium supplementing apparatus and lithium supplementing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08250113A (en) * | 1995-03-09 | 1996-09-27 | Honjiyou Kinzoku Kk | Manufacture of negative electrode for lithium battery |
| CN1218579A (en) * | 1996-03-14 | 1999-06-02 | 富士摄影胶片株式会社 | Method and device for sticking lithium foil and manufacture of lithium electrode |
| JP2006185762A (en) * | 2004-12-28 | 2006-07-13 | Dainippon Printing Co Ltd | Method of manufacturing membrane and catalyst layer junction for polymer electrolyte fuel cell, method of manufacturing polymer electrolyte fuel cell, and device of manufacturing membrane and catalyst layer junction for polymer electrolyte fuel cell |
| CN201804947U (en) * | 2010-08-27 | 2011-04-20 | 珠海市光环自动化科技有限公司 | Single-motor driven battery pole piece roller machine |
| CN102723461A (en) * | 2012-06-29 | 2012-10-10 | 深圳市赢合科技股份有限公司 | Pole piece roller compression machine |
| CN103325995A (en) * | 2013-06-19 | 2013-09-25 | 宁德新能源科技有限公司 | Rolling forming method, rolling forming device as well as base material |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2870037B2 (en) * | 1989-09-05 | 1999-03-10 | ソニー株式会社 | Lithium negative electrode manufacturing equipment |
| JP2011008997A (en) * | 2009-06-24 | 2011-01-13 | Honjo Metal Co Ltd | Manufacturing method for lithium foil laminate |
| CN101976733A (en) * | 2010-09-29 | 2011-02-16 | 苏州金科发锂电池有限公司 | Preparation method of compound type primary lithium battery anode belt |
| CN204558583U (en) * | 2015-04-29 | 2015-08-12 | 宁德时代新能源科技有限公司 | Lithium band production equipment |
| CN105489846B (en) * | 2016-01-11 | 2018-03-20 | 宁德时代新能源科技股份有限公司 | Pole piece lithium supplementing method and system |
-
2016
- 2016-05-16 CN CN201610326198.1A patent/CN105845897B/en active Active
- 2016-07-25 WO PCT/CN2016/091508 patent/WO2017197754A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08250113A (en) * | 1995-03-09 | 1996-09-27 | Honjiyou Kinzoku Kk | Manufacture of negative electrode for lithium battery |
| CN1218579A (en) * | 1996-03-14 | 1999-06-02 | 富士摄影胶片株式会社 | Method and device for sticking lithium foil and manufacture of lithium electrode |
| JP2006185762A (en) * | 2004-12-28 | 2006-07-13 | Dainippon Printing Co Ltd | Method of manufacturing membrane and catalyst layer junction for polymer electrolyte fuel cell, method of manufacturing polymer electrolyte fuel cell, and device of manufacturing membrane and catalyst layer junction for polymer electrolyte fuel cell |
| CN201804947U (en) * | 2010-08-27 | 2011-04-20 | 珠海市光环自动化科技有限公司 | Single-motor driven battery pole piece roller machine |
| CN102723461A (en) * | 2012-06-29 | 2012-10-10 | 深圳市赢合科技股份有限公司 | Pole piece roller compression machine |
| CN103325995A (en) * | 2013-06-19 | 2013-09-25 | 宁德新能源科技有限公司 | Rolling forming method, rolling forming device as well as base material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105845897A (en) | 2016-08-10 |
| WO2017197754A1 (en) | 2017-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105845896B (en) | Split calendering disposable film covering lithium supplementing device | |
| US9991547B2 (en) | Machine and process for obtaining cells for electric storage batteries and cell for electric storage battery | |
| CN104039717B (en) | The glass volume that electrostatic is fixed, and its manufacture method and equipment | |
| KR20110048839A (en) | Rechargeable battery and manufacturing method of the same | |
| JP6115380B2 (en) | Strip electrode manufacturing method and strip electrode cutting apparatus | |
| CN106505180B (en) | Rolling device and method for battery pole piece | |
| JP2014137944A (en) | Method of manufacturing electrode sheet for secondary battery and a coating device for use therein | |
| CN105845897B (en) | Split calendering split composite lithium supplementing device | |
| CN112186133B (en) | Device for supplementing lithium to pole piece | |
| IT201600119013A1 (en) | Production of Electrical Energy Storage Devices | |
| JP2014065021A (en) | Coating apparatus | |
| CN104511938A (en) | Cutting machine equipment for electrode material and electrode piece manufacturing equipment | |
| CN205587249U (en) | Pole piece preparation system | |
| JP2018181763A (en) | Manufacturing installation of electrode laminate | |
| CN218396278U (en) | Die-cutting machine | |
| CN103779614A (en) | Arc lithium battery as well as manufacturing method and wound core of arc lithium battery | |
| CN210272539U (en) | Lithium ion battery pole piece lithium supplementing device | |
| KR102068054B1 (en) | Electrode Sheet Rolling Device Comprising Film for Prevention of Stain | |
| JP6206222B2 (en) | Electrode manufacturing method | |
| JP2014110202A (en) | Electrode body manufacturing method and electrode winding device | |
| CN212434665U (en) | Wide-width ultrathin lithium foil and equipment for preparing wide-width ultrathin lithium foil | |
| CN114122484B (en) | Pole piece pasting system, lamination machine and pole piece pasting method | |
| CN113967699A (en) | Method and equipment for splicing ultrathin lithium foil or lithium strip | |
| CN115284659A (en) | Pole piece embossing and rolling device and pole piece embossing and rolling method | |
| JP2016004756A (en) | Press device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171221 Address after: 352100 Jiaocheng District of Ningde City, Fujian Province Zhang Wan Zhen Xingang Road No. 1 Applicant after: Contemporary Amperex Technology Co.,Ltd. Address before: Dalingshan Town Village 523820 chicken wings in Guangdong province Dongguan City Pine Road smart Industrial Park plant on the third floor B District Applicant before: DONGGUAN JITAI INTELLIGENT EQUIPMENT Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |