CN206878098U - Pole piece mends lithium device - Google Patents
Pole piece mends lithium device Download PDFInfo
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- CN206878098U CN206878098U CN201720845988.0U CN201720845988U CN206878098U CN 206878098 U CN206878098 U CN 206878098U CN 201720845988 U CN201720845988 U CN 201720845988U CN 206878098 U CN206878098 U CN 206878098U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a kind of pole piece and mends lithium device, including roller press mechanism, lithium band conveying mechanism, pole piece conveying mechanism and coating mechanism.Roller press mechanism includes the first disk roller, the second disk roller and the 3rd disk roller being sequentially arranged；Lithium band conveying mechanism, which is used to lithium band being sent between the first disk roller and the second disk roller, carries out roll-in；Coating mechanism at least can be in the lithium band surface coating sizing-agent relative with the second disk roller；Pole piece conveying mechanism, which is used to pole piece being sent between the second disk roller and the 3rd disk roller, carries out roll-in.Coating mechanism can on the lithium band surface relative with the second disk roller coating sizing-agent, lithium band is by roll-in and is attached on the second disk roller；With the rotation of the second disk roller, the lithium band being attached on the second disk roller is contacted and is attached on pole piece with pole piece.Lithium device is mended due to pole piece the lithium band after calendering is directly attached to the second disk roller, and it is laminating on pole piece directly by lithium band using the second disk roller, without transfer membrane of the prior art, so as to reduce production cost, simplify and mend lithium technique.
Description
Technical field
Field of battery production is the utility model is related to, more particularly to a kind of pole piece mends lithium device.
Background technology
With the development of modern society, various intelligence equipments (mobile phone, notebook computer, flat board, electric car etc.) there has been
It is widely applied.At the same time, client is also more and more stronger to the demand of heavy-duty battery.Lithium ion battery is due to energy density
The advantage such as height, service life length, green non-pollution, security performance is widely used in consumer electronics product and electric automobile neck
Domain.In terms of lithium battery energy density is improved, lithium technique is mended as one of key technology.
Existing benefit lithium technique is typically first to roll lithium band onto transfer membrane, then again that the lithium band on transfer membrane is laminating
To pole piece two sides.But transfer membrane is typically only capable to be intended for single use, the cost of consuming is high；Meanwhile transfer membrane needs to draw, turned
Laminating equipment is connected to, takes larger space, and causes to mend lithium complex process.
Utility model content
In view of problem present in background technology, the purpose of this utility model is that providing a kind of pole piece mends lithium device, its
Production cost can be reduced, simplifies and mends lithium technique.
To achieve these goals, the utility model provides a kind of pole piece and mends lithium device, and it includes roller press mechanism, lithium band
Conveying mechanism, pole piece conveying mechanism and coating mechanism.Wherein, roller press mechanism includes the first disk roller, the second roller being sequentially arranged
Wheel and the 3rd disk roller；Lithium band conveying mechanism is used to lithium band being sent between the first disk roller and the second disk roller；Coating mechanism at least can
Enough in the lithium band surface coating sizing-agent relative with the second disk roller；Pole piece conveying mechanism is used to pole piece being sent into the second disk roller and the 3rd
Between disk roller.First disk roller and the second disk roller are used to carry out roll-in to the lithium band for being coated with slurry and adhere to the lithium band after roll-in
In the second disk roller；Second disk roller and the 3rd disk roller are used for lithium band and pole piece progress roll-in to being attached to the second disk roller.
The beneficial effects of the utility model are as follows：
In lithium device is mended according to pole piece of the present utility model, during lithium band conveying mechanism conveying lithium band, coating
Mechanism can on the lithium band surface relative with the second disk roller coating sizing-agent；Lithium band conveying mechanism by lithium band be sent into the first disk roller and
After between second disk roller, lithium band by the first disk roller and the second disk roller roll-in and be attached on the second disk roller；With the second roller
The rotation of wheel, the lithium band being attached on the second disk roller contacts with pole piece, and adheres under the roll-in of the second disk roller and the 3rd disk roller
On pole piece；When gap of the pole piece between the second disk roller and the 3rd disk roller passes, lithium band can be peeled off simultaneously from the second disk roller
It is attached on pole piece, so as to realize the benefit lithium of pole piece.Because pole piece of the present utility model mends lithium device directly by the lithium after calendering
Band is attached to the second disk roller, and laminating on pole piece directly by lithium band using the second disk roller, without transfer membrane of the prior art,
So as to reduce production cost, simplify and mend lithium technique.
Brief description of the drawings
Fig. 1 to Fig. 5 is the schematic diagram for the different embodiments that lithium device is mended according to pole piece of the present utility model；
Fig. 6 is the schematic diagram for the coating mechanism that lithium device is mended according to pole piece of the present utility model；
Fig. 7 is a schematic diagram of the roller press mechanism that lithium device is mended according to pole piece of the present utility model；
Fig. 8 is another schematic diagram for the roller press mechanism that lithium device is mended according to pole piece of the present utility model.
Wherein, description of reference numerals is as follows：
The heater of 1 roller press mechanism 45
The controller of 11 first disk roller 46
The compressed gas source of 12 second disk roller 47
The second pipe of 13 the 3rd disk roller 48
The agitator of 14 drive component 49
2 lithiums band conveying mechanism 4A over-pressure control valves
3 pole piece conveying mechanism 4B gas exhausting valves
31 pole piece let off roll 4C output control valves
The barrier film of 32 pole piece wind-up roll 5
The barrier film let off roll of 4 coating mechanism 6
41 house the barrier film wind-up roll of tank 7
42 flow pump L lithium bands
43 first pipeline S slurries
44 coating head P pole pieces
Embodiment
With reference to the accompanying drawings lithium device is mended to describe pole piece of the present utility model in detail.
Referring to figs. 1 to Fig. 8, according to pole piece of the present utility model mend lithium device include roller press mechanism 1, lithium band conveying mechanism 2,
Pole piece conveying mechanism 3 and coating mechanism 4.Wherein, roller press mechanism 1 includes the first disk roller 11, the second disk roller 12 being sequentially arranged
With the 3rd disk roller 13；Lithium band conveying mechanism 2 is used to lithium band L being sent between the first disk roller 11 and the second disk roller 12；Coating mechanism 4
At least can be in lithium with surface coating sizing-agent S relative with the second disk roller 12 L；Pole piece conveying mechanism 3 is used to pole piece P being sent into the
Between two disk rollers 12 and the 3rd disk roller 13.First disk roller 11 and the second disk roller 12 are used to carry out roller to the lithium band L for being coated with slurry S
Press and the band of the lithium after roll-in L is attached to the second disk roller 12；Second disk roller 12 and the 3rd disk roller 13 are used for being attached to the second roller
The lithium band L and pole piece P of wheel 12 carries out roll-in.
In lithium device is mended according to pole piece of the present utility model, during lithium band conveying mechanism 2 conveys lithium band L, apply
Cloth mechanism 4 can be in lithium with coating sizing-agent S on surface relative with the second disk roller 12 L；Lithium band L is sent into lithium band conveying mechanism 2
After between first disk roller 11 and the second disk roller 12, lithium by the roll-in of the first disk roller 11 and the second disk roller 12 and is attached to L
On two disk rollers 12 (surface that lithium is coated with slurry S with L is bonded on the second disk roller 12)；It is attached with the rotation of the second disk roller 12
The band of the lithium on the second disk roller 12 L to contact with pole piece P, and pole is attached under the roll-in of the second disk roller 12 and the 3rd disk roller 13
On piece P；When pole piece P passes from the gap between the second disk roller 12 and the 3rd disk roller 13, lithium band L can shell from the second disk roller 12
From and be attached on pole piece P, so as to realize pole piece P benefit lithium.Mending lithium device due to pole piece of the present utility model directly will calendering
Lithium band L afterwards is attached to the second disk roller 12, and laminating on pole piece P directly by lithium band L using the second disk roller 12, without existing skill
Transfer membrane in art, so as to reduce production cost, simplify and mend lithium technique.
Off-type force of the lithium with L surfaces is adjusted by coating sizing-agent S.Due to slurry S presence, lithium band L and the second disk roller
Off-type force needed for 12 separation separates required off-type force with L less than lithium with pole piece P.And if not in lithium with L and the second roller
Take turns coating sizing-agent S on 12 relative surfaces, then lithium band L can be caused to be attached on the second disk roller 12, can not be peeled off.Lithium band L with
After the separation of second disk roller 12, slurry S may be retained on lithium band L, it is also possible to is adhered on the second disk roller 12, is adhered to the second roller
The slurry S of wheel 12 can be struck off by scraper.
In lithium device is mended according to pole piece of the present utility model, referring to figs. 1 to Fig. 5, roller press mechanism 1 also includes：Driving
Component 14, it is connected with the 3rd disk roller 13.Drive component 14 can drive the 3rd disk roller 13 to move, to adjust the second disk roller 12 and the
Gap between three disk rollers 13.When pole piece P needs to mend lithium, drive component 14 drives the 3rd disk roller 13 close to the second disk roller 12,
Benefit lithium is carried out so as to compress pole piece P；When pole piece P need not mend lithium, drive component 14 drives the 3rd disk roller 13 away from the second roller
Wheel 12, so as to unclamp pole piece P and stop mending lithium.In a word, pole piece P continuous benefit lithium or interval can be completed by drive component 14
Mend lithium.
In lithium device is mended according to pole piece of the present utility model, referring to figs. 1 to Fig. 5, pole piece conveying mechanism 3 includes pole piece
Let off roll 31 and pole piece wind-up roll 32.By the pole piece P for needing to mend lithium on pole piece let off roll 31, pole piece P is wound in pole piece
Passed through under the traction of roller 32 between the second disk roller 12 and the 3rd disk roller 13, and finally on pole piece wind-up roll 32.
In lithium device is mended according to pole piece of the present utility model, a diameter of 400mm of the first disk roller 11, the second disk roller 12
A diameter of 100mm, a diameter of 400mm of the 3rd disk roller 13.Generally, the rotating speed of the second disk roller 12 is very fast, so this size
The mode of roller collocation can effectively improve production capacity, improve and mend lithium effect.Referring to figs. 1 to Fig. 5, the first disk roller 11, the second disk roller
12 and the 3rd disk roller 13 be arranged side by side successively.
According in calender device of the present utility model, the slurry S includes lubricating solid, lubricant, conductive agent and glued
Tie agent.Wherein, the quality of the lubricating solid is the 55%~65% of the slurry S gross masses；The quality of the lubricant is
The 30%~40% of the slurry S gross masses；The quality of the conductive agent is the 1%~4% of the slurry S gross masses；It is described
The quality of binding agent is the 4%~10% of the slurry S gross masses.
The lubricating solid may include at least one of graphite, polytetrafluoroethylene (PTFE), boron nitride, fluorographite, ceramics；Institute
Stating lubricant may include at least one of silicone oil, lithium base oil fat, fatty acid amide, silicic acid fat, machinery oil, synthetic fat；It is described
Conductive agent may include acetylene black, conductive carbon black, carbon cellulose, CNT, Ketjen black, graphene；The binding agent may include
Neoprene, polyethylene, polyurethane, polycarbonate resin, polyimides, sodium carboxymethylcellulose, waterglass, trimerization
At least one of sodium phosphate, polyacrylamide, polyamide.
Can accurately it be adjusted by the ratio for the species for adjusting lubricating solid, lubricant, conductive agent and binding agent described
Slurry S viscosity, so as to adjust off-type force of the lithium with L for being coated with slurry S.Specifically, a kind of slurry S can by 55% stone
Ink, 35% dimethicone, 4% conductive carbon black and 6% polyethylene composition, this slurry S viscosity are reachable
18000mPa·s；Another slurry S can be by 58% boron nitride, 35% lithium base oil fat, 4% acetylene black and 3% carboxylic first
Base sodium cellulosate forms, and this slurry S viscosity is up to 85000mPas；Another slurry S can by 57% fluorographite,
35% lithium base oil fat, 4% graphene and 4% polyimides composition, this slurry S viscosity is up to 112000mPa
s；Another slurry S can be by 60% ceramics, 30% synthetic fat, 2% CNT and 8% polyurethane group
Into this slurry S viscosity is up to 56000mPas.
In lithium device is mended according to pole piece of the present utility model, reference picture 6, coating mechanism 4 includes：Tank 41 is housed, is received
Have slurry S；Flow pump 42；First pipeline 43, connection house tank 41 and flow pump 42；Coating head 44, it is connected with flow pump 42
It is and relative with the lithium band L that conveying mechanism 2 conveys with lithium；Heater 45, for warmed-up flow pump 42；And controller 46, control
Flow pump 42 and heater 45.The slurry S housed inside tank 41 can be along the first pipeline 43 entrance flow pump 42, and controller
46 amount according to the output slurry S of demand modeling flow pump 42, while controller 46 can also control the warmed-up flow pump of heater 45
42, so that the slurry S inside flow pump 42 heats up and reaches suitable application viscosity；Slurry S is sent into coating head by flow pump 42
44, coating head 44 is in surface coating sizing-agent S of the lithium with L.
In lithium device is mended according to pole piece of the present utility model, coating mechanism 4 also includes：Compressed gas source 47；Second pipe
Road 48, connection house tank 41 and compressed gas source 47；Agitator 49, it is arranged at and houses tank 41；Over-pressure control valve 4A, is arranged on second
On pipeline 48；Gas exhausting valve 4B, it is arranged on the first pipeline 43；And output control valve 4C, it is arranged on the first pipeline 43,
And it is located at gas exhausting valve 4B downstreams.Compressed gas source 47 can be applied by second pipe 48 to housing the slurry S inside tank 41
Malleation, slurry S is pushed to flow pump 42.Over-pressure control valve 4A can adjust the pressure of the output of compressed gas source 47.Agitator
49 can stir the slurry S housed in tank 41, so as to discharge the air in slurry S, ensure the uniformity of slurry coating.When first
When bubble be present in pipeline 43, gas exhausting valve 4B (now output control valve 2C is closed) is opened and is discharged bubble；Gas exhaust inspecting
When valve 4B is closed and output control valve 4C is opened, slurry S is gone forward side by side inbound traffics pump 42 by the first pipeline 43.Coating machine
Structure 4 also includes the component working such as host computer, instruction over-pressure control valve 4A, gas exhausting valve 4B and output control valve 4C.
In the first embodiment of lithium device is mended according to pole piece of the present utility model, reference picture 5, roller press mechanism 1 is one group,
Lithium band conveying mechanism 2 is one group.Coating mechanism 4 is one group, in lithium with surface coating sizing-agent S relative with the second disk roller 12 L；Institute
Stating pole piece benefit lithium device also includes：Barrier film 5, passed through between the first disk roller 11 and the second disk roller 12 and by the first disk roller 11 with
Lithium band L is separated.
Specifically, pole piece P benefit lithium amount depending on demand, so only need sometimes on mono- surface of pole piece P mend lithium i.e.
Can, therefore, roller press mechanism 1 can be one group, and lithium band conveying mechanism 2 can be one group (only conveying a lithium band L).And in lithium with L's
In calender line (i.e. the first disk roller 11 and the roll-in lithium of the second disk roller 12 band L), in order to prevent lithium band L to be attached to the first disk roller 11
Above, it is necessary to be separated the first disk roller 11 and lithium band L using barrier film 5.The roll-in of first disk roller 11 and the second disk roller 12 may
Lithium band L is set to be attached on barrier film 5, so to avoid the lithium band L after calendering from being attached on barrier film 5, lithium band L and barrier film 5
Off-type force needed for separation should be less than lithium and separate required off-type force with the second disk roller 12 with L.
In addition, the pole piece, which mends lithium device, may also include barrier film let off roll 6 and barrier film wind-up roll 7.Barrier film 5 is wound
On barrier film let off roll 6, and passed through under the traction of barrier film wind-up roll 7 between the first disk roller 11 and the second disk roller 12,
Finally on barrier film wind-up roll 7.Barrier film 5 separates under the traction of barrier film wind-up roll 7 with lithium band L.
In the second embodiment of lithium device is mended according to pole piece of the present utility model, reference picture 4, roller press mechanism 1 is one group,
Lithium band conveying mechanism 2 is one group.Coating mechanism 4 is two groups, respectively in two surface coating sizing-agent Ss of the lithium with L, and two groups of coatings
The coating sizing-agent S of mechanism 4 viscosity is different.
Specifically, pole piece P benefit lithium amount depending on demand, so only need sometimes on mono- surface of pole piece P mend lithium i.e.
Can, therefore, roller press mechanism 1 can be one group, and lithium band conveying mechanism 2 can be one group (only conveying a lithium band L).And in lithium with L's
In calender line (i.e. the first disk roller 11 and the roll-in lithium of the second disk roller 12 band L), in order to prevent lithium band L to be attached to the first disk roller 11
On, can on first disk roller 11 relative surface of the lithium with L also coating sizing-agent S；And applied by adjusting two groups of coating mechanisms 4
Cloth slurry S viscosity, to ensure that the lithium band L after calendering is attached to the second disk roller 12, without being attached to the first disk roller 11.Change sentence
Talk about, two surfaces of the lithium with L are adhered to the first disk roller 11 and the second disk roller 12 respectively after calendering, by adjusting two groups of coating machines
The coating sizing-agent S of structure 4 viscosity so that lithium separates required off-type force with L less than lithium band L and the second disk roller 12 with the first disk roller 11
Off-type force needed for separation.
In the 3rd embodiment of lithium device is mended according to pole piece of the present utility model, reference picture 2, roller press mechanism 1 is two groups,
Lithium band conveying mechanism 2 is two groups.Coating mechanism 4 is two groups, and the lithium conveyed respectively in each lithium with conveying mechanism 2 is with L and second
Coating sizing-agent S on the relative surface of disk roller 12；The pole piece, which mends lithium device, also to be included：Barrier film 5, from two groups of roller press mechanisms 1
Pass through between first disk roller 11 and the second disk roller 12, and respectively separate the first disk roller 11 of each roller press mechanism 1 and lithium band L.
Specifically, when pole piece P two surfaces are both needed to mend lithium, it is necessary to set two groups of roller press mechanisms 1, pole piece P successively from
Passed through in two roller press mechanisms 1, and when pole piece P passes through previous roller press mechanism 1, pole piece P a surface and the roller press mechanism 1
The second disk roller 12 it is relative, when pole piece P pass through the latter roller press mechanism 1, pole piece P another surface and the roller press mechanism 1
Second disk roller 12 is relative.Accordingly, lithium band conveying mechanism 2 is also required to two groups, conveys lithium band L to corresponding roller press mechanism 1 respectively,
Two groups of coating mechanisms 4 are respectively in corresponding lithium with coating sizing-agent S on L.That is, one group of lithium band 2, one groups of coating of conveying mechanism
Mechanism 4 and one group of roller press mechanism 1 form a module, for mending lithium on a pole piece P surface；Another group of lithium band conveyer
Structure 2, another group of coating mechanism 4 and another group of roller press mechanism 1 form a module, for being mended on pole piece P another surface
Lithium.
Two groups of lithium band conveying mechanisms 2 convey two lithium band L, and in each calender line of the lithium with L, in order to prevent lithium band L
, it is necessary to be separated the first disk roller 11 and lithium band L using barrier film 5 on the first disk roller 11 corresponding to being attached to.Meanwhile in order to ensure
Lithium band L after calendering is attached on the second disk roller 12 without being attached on barrier film 5, and lithium separates required with L with barrier film 5
Off-type force should be less than lithium and separate required off-type force with the second disk roller 12 with L.
Barrier film 5 can be one, also cross two groups of roller press mechanisms 1 under multiple guidings for crossing roller；Accordingly, pole piece
Mending lithium device also includes a barrier film let off roll 6 and a barrier film wind-up roll 7.Certainly, barrier film 5 can also be two,
It is each passed through two groups of roller press mechanisms 1；Corresponding, barrier film let off roll 6 and barrier film wind-up roll 7 can be two groups.
In the fourth embodiment of lithium device is mended according to pole piece of the present utility model, reference picture 2, roller press mechanism 1 is two groups,
Lithium band conveying mechanism 2 is two groups.Roll-coater structure 4 is four groups；Two groups of coating mechanisms 4 are defeated in one group of lithium band conveying mechanism 2 respectively
Two surface coating sizing-agent Ss of the lithium sent with L, and the viscosity of the coating sizing-agent S of two groups of coating mechanisms 4 is different；Other two groups
Two surface coating sizing-agent Ss of the lithium with L that coating mechanism 4 conveys in another group of lithium with conveying mechanism 2 respectively, and described other two
Group coating mechanism 4 coating sizing-agent S viscosity is different.
Specifically, pole piece P passes through from two roller press mechanisms 1 successively, and when pole piece P passes through previous roller press mechanism 1, pole
A piece P surface is relative with the second disk roller 12 of the roller press mechanism 1, when pole piece P passes through the latter roller press mechanism 1, pole piece P's
Another surface is relative with the second disk roller 12 of the roller press mechanism 1.
Two groups of lithium band conveying mechanisms 2 convey two lithium band L, are applied by adjustment two groups of coating mechanisms 4 corresponding with each lithium band L
The slurry S of cloth viscosity, to ensure that the lithium band L after calendering is attached to the second disk roller 12, without being attached to the first disk roller 11.
In the 5th embodiment of lithium device is mended according to pole piece of the present utility model, reference picture 3, roller press mechanism 1 is two groups,
Lithium band conveying mechanism 2 is two groups.Coating mechanism 4 is three groups；Two groups of coating mechanisms 4 convey in one group of lithium band conveying mechanism 2 respectively
Two surface coating sizing-agent Ss of the lithium with L, and the viscosity of the coating sizing-agent S of two groups of coating mechanisms 4 is different；3rd group of coating
The coating sizing-agent S on second disk roller 12 relative surface of the lithium with L that another group of lithium conveys with conveying mechanism 2 of mechanism 4；It is described
Pole piece, which mends lithium device, also to be included：Barrier film 5, from first roller of another group of lithium with the corresponding roller press mechanism 1 of conveying mechanism 2
Passed through between the disk roller 12 of wheel 11 and second, and the first disk roller 11 of the roller press mechanism 1 and lithium band L are separated.
Specifically, pole piece P passes through from two roller press mechanisms 1 successively, and when pole piece P passes through previous roller press mechanism 1, pole
A piece P surface is relative with the second disk roller 12 of the roller press mechanism 1, when pole piece P passes through the latter roller press mechanism 1, pole piece P's
Another surface is relative with the second disk roller 12 of the roller press mechanism 1.
Two groups of lithium band conveying mechanisms 2 convey two lithium band L, and a lithium band L is to ensure it by two surface size material S
Second disk roller 12 corresponding to being attached to, and another lithium band L is to ensure that it is corresponding that it can be attached to by barrier film 5
Second disk roller 12.Pole piece mends lithium device and may also include a barrier film let off roll 6 and a barrier film wind-up roll 7.
Claims (10)
1. a kind of pole piece mends lithium device, it is characterised in that including roller press mechanism (1), lithium band conveying mechanism (2), pole piece conveyer
Structure (3) and coating mechanism (4)；
Roller press mechanism (1) includes the first disk roller (11), the second disk roller (12) and the 3rd disk roller (13) being sequentially arranged；
Lithium band conveying mechanism (2) is used to lithium band (L) being sent between the first disk roller (11) and the second disk roller (12)；
Coating mechanism (4) at least can be in lithium band (L) and the relative surface coating sizing-agent (S) of the second disk roller (12)；
Pole piece conveying mechanism (3) is used to pole piece (P) being sent between the second disk roller (12) and the 3rd disk roller (13)；
Wherein,
After first disk roller (11) and the second disk roller (12) are used for lithium band (L) the progress roll-in to being coated with slurry (S) and make roll-in
Lithium band (L) be attached to the second disk roller (12)；
Second disk roller (12) and the 3rd disk roller (13) are used for lithium band (L) and pole piece (P) progress to being attached to the second disk roller (12)
Roll-in.
2. pole piece according to claim 1 mends lithium device, it is characterised in that roller press mechanism (1) is one group, lithium band conveyer
Structure (2) is one group.
3. pole piece according to claim 2 mends lithium device, it is characterised in that
Coating mechanism (4) is one group, in lithium band (L) and the relative surface coating sizing-agent (S) of the second disk roller (12)；
The pole piece, which mends lithium device, also to be included：Barrier film (5), pass through and incite somebody to action between the first disk roller (11) and the second disk roller (12)
First disk roller (11) separates with lithium band (L).
4. pole piece according to claim 2 mends lithium device, it is characterised in that coating mechanism (4) is two groups, respectively in lithium band
(L) two surface coating sizing-agents (S), and the viscosity of two groups of coating mechanism (4) coating sizing-agents (S) is different.
5. pole piece according to claim 1 mends lithium device, it is characterised in that roller press mechanism (1) is two groups, lithium band conveyer
Structure (2) is two groups.
6. pole piece according to claim 5 mends lithium device, it is characterised in that
Coating mechanism (4) be two groups, the lithium band (L) conveyed respectively in each lithium with conveying mechanism (2) with the second disk roller (12) phase
To surface on coating sizing-agent (S)；
The pole piece, which mends lithium device, also to be included：Barrier film (5), from the first disk roller (11) and the second roller of two groups of roller press mechanisms (1)
Pass through between wheel (12), and respectively separate the first disk roller (11) of each roller press mechanism (1) with lithium band (L).
7. pole piece according to claim 5 mends lithium device, it is characterised in that
Coating mechanism (4) is four groups；
Two surface coating sizing-agents of the lithium band (L) that two groups of coating mechanisms (4) convey in one group of lithium with conveying mechanism (2) respectively
(S), and two groups of coating mechanisms (4) coating sizing-agent (S) viscosity it is different；
The two surfaces coating for the lithium band (L) that other two groups of coating mechanisms (4) convey in another group of lithium with conveying mechanism (2) respectively
Slurry (S), and the viscosity of other two groups of coating mechanisms (4) coating sizing-agent (S) is different.
8. pole piece according to claim 5 mends lithium device, it is characterised in that
Coating mechanism (4) is three groups；
Two surface coating sizing-agents of the lithium band (L) that two groups of coating mechanisms (4) convey in one group of lithium with conveying mechanism (2) respectively
(S), and two groups of coating mechanisms (4) coating sizing-agent (S) viscosity it is different；
The lithium band (L) that 3rd group of coating mechanism (4) conveys in another group of lithium with conveying mechanism (2) it is relative with the second disk roller (12)
Surface on coating sizing-agent (S)；
The pole piece, which mends lithium device, also to be included：Barrier film (5), from roll-in corresponding with another group of lithium band conveying mechanism (2)
Passed through between the first disk roller (11) and the second disk roller (12) of mechanism (1), and by the first disk roller (11) of the roller press mechanism (1) with
Lithium band (L) separates.
9. the pole piece according to claim 3,6 or 8 mends lithium device, it is characterised in that the pole piece, which mends lithium device, also to be included
Barrier film let off roll (6) and barrier film wind-up roll (7).
10. pole piece according to claim 1 mends lithium device, it is characterised in that roller press mechanism (1) also includes：Drive component
(14), it is connected with the 3rd disk roller (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720845988.0U CN206878098U (en) | 2017-07-12 | 2017-07-12 | Pole piece mends lithium device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720845988.0U CN206878098U (en) | 2017-07-12 | 2017-07-12 | Pole piece mends lithium device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206878098U true CN206878098U (en) | 2018-01-12 |
Family
ID=61330109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720845988.0U Active CN206878098U (en) | 2017-07-12 | 2017-07-12 | Pole piece mends lithium device |
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| Country | Link |
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| CN (1) | CN206878098U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256526A (en) * | 2017-07-12 | 2019-01-22 | 宁德时代新能源科技股份有限公司 | Lithium device is mended to pole piece |
| CN111987379A (en) * | 2020-09-14 | 2020-11-24 | 江苏塔菲尔动力系统有限公司 | Lithium ion battery with reference electrode and preparation method thereof |
| WO2021098539A1 (en) * | 2019-11-21 | 2021-05-27 | 宁德时代新能源科技股份有限公司 | Lithium-supplementing device for electrode sheet, and lithium supplementing method for electrode sheet |
| CN112873944A (en) * | 2021-01-13 | 2021-06-01 | 惠州亿纬锂能股份有限公司 | Battery pole piece forming equipment and forming method |
| EP3955334A4 (en) * | 2019-07-22 | 2022-06-22 | Contemporary Amperex Technology Co., Limited | Device for supplementing electrode sheet with lithium and method for supplementing electrode sheet with lithium |
| WO2023029641A1 (en) * | 2021-08-30 | 2023-03-09 | 宁德时代新能源科技股份有限公司 | Press roller device and lithium supplementing apparatus |
-
2017
- 2017-07-12 CN CN201720845988.0U patent/CN206878098U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256526A (en) * | 2017-07-12 | 2019-01-22 | 宁德时代新能源科技股份有限公司 | Lithium device is mended to pole piece |
| EP3955334A4 (en) * | 2019-07-22 | 2022-06-22 | Contemporary Amperex Technology Co., Limited | Device for supplementing electrode sheet with lithium and method for supplementing electrode sheet with lithium |
| WO2021098539A1 (en) * | 2019-11-21 | 2021-05-27 | 宁德时代新能源科技股份有限公司 | Lithium-supplementing device for electrode sheet, and lithium supplementing method for electrode sheet |
| CN111987379A (en) * | 2020-09-14 | 2020-11-24 | 江苏塔菲尔动力系统有限公司 | Lithium ion battery with reference electrode and preparation method thereof |
| CN112873944A (en) * | 2021-01-13 | 2021-06-01 | 惠州亿纬锂能股份有限公司 | Battery pole piece forming equipment and forming method |
| WO2023029641A1 (en) * | 2021-08-30 | 2023-03-09 | 宁德时代新能源科技股份有限公司 | Press roller device and lithium supplementing apparatus |
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