CN205587249U - Pole piece preparation system - Google Patents
Pole piece preparation system Download PDFInfo
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- CN205587249U CN205587249U CN201520939765.1U CN201520939765U CN205587249U CN 205587249 U CN205587249 U CN 205587249U CN 201520939765 U CN201520939765 U CN 201520939765U CN 205587249 U CN205587249 U CN 205587249U
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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
Abstract
The utility model relates to an electrode field especially relates to a pole piece preparation system. Pole piece preparation system includes at least a set of coating drying device, coating drying device including be used for antipodal bring into go rectify with tension control's tension control rectify the module, be used for right the two -sided coating module of coating of the two -sided while thick liquids in utmost point area, be used for right two -sided at least one the floated oven that goes on drying simultaneously in utmost point area, be used for doing utmost point area provides the roll -in formula tension conduction band module of traction force, tension control rectify the module two -sided coating module floated oven and roll -in formula tension conduction band module arranges in proper order, and tension control rectifies module, roll -in formula tension conduction band module and the suspension of the common control electrode area of floated oven and passes floated oven. Coating stoving method, pole piece preparation method and pole piece preparation system's production efficiency is high.
Description
Technical field
This utility model relates to electrode field, particularly relates to a kind of pole piece preparation system, more particularly relates to make the pole piece preparation system of electrodes of lithium-ion batteries.
Background technology
The most general electrodes of lithium-ion batteries need through coating, roll-in, cut, four operations of film-making, in order to improve performance, the making of high performance power lithium ion battery pole piece generally requires multiple coating, be then passed through roll-in, cut, the operation such as film-making.Current each operation is by being respectively adopted single equipment: coating machine, roll squeezer, cutting machine, pelleter complete, and between every procedure, every procedure is required for rolling, unreels, and during this, the linking of each operation is required to be accomplished manually.Wherein have the disadvantage in that 1. operation is many, personnel participate in many, automatization's difficulty, the concordance of product is affected very big, and the concordance of lithium ion battery product is extremely important；The most ceaselessly rolling, unreeling, cause pole piece to have certain warpage in the completed, this has certain impact to properties of product, and follow-up lamination is caused certain puzzlement；The most ceaselessly rolling, unreel, extend the material flow line of production line, cause logistics and cost of labor high, for the lithium-ion-power cell that current cost is very sensitive, affect the biggest.
Patent CN102569731 discloses the coating of a kind of pole piece, roll-in, cutting integrated machine, wherein, front coating mechanism is between twin shaft unreeling structure and double-deck drying mechanism, and pole band enters front mechanism on foot and carries out front coating subsequently into lower floor's drying unit after unreeling.And reverse side coating mechanism is positioned at the exit side of lower floor's drying unit of double-deck drying mechanism, pole band enters reverse side coating mechanism after lower floor's drying unit is dried to carry out reverse side and is coated with subsequently into upper strata drying unit.That is, it is coated with and dries simply one side and carry out.So, the preparation time of pole piece is longer, production process inefficient.
Utility model content
(1) to solve the technical problem that
The technical problems to be solved in the utility model is to provide the pole piece preparation system that a kind of production efficiency is high.
(2) technical scheme
In order to solve above-mentioned technical problem, this utility model provides a kind of pole piece preparation system, coating drying unit including least one set, coating drying unit includes: for pole band rectified a deviation and tension force error correct module that tension force controls, for the two-sided of pole band is coated the dual coating module of slurry, for the floated baking oven of at least one dried two-sided of pole band simultaneously and for providing the roller press type tension force conduction band module of pull strength for pole band simultaneously；Wherein, tension force error correct module, dual coating module, floated baking oven and roller press type tension force conduction band module are sequentially arranged, and tension force error correct module, roller press type tension force conduction band module and floated baking oven co-controlling pole band suspend through floated baking oven.
According to this utility model, also including: be arranged on the unwinding device of feed side of coating drying unit, unwinding device includes gas expansion shaft, actively unreels servo control mechanism, tension detecting apparatus, deviation correction mechanism.
According to this utility model, also include: pole band is carried out the rolling device of roll-in and pole band is made the pelletizer of pole piece；When being provided with a coating drying unit, rolling device and pelletizer are successively set on coating drying unit exit side；When being provided with multiple coating drying unit, rolling device and pelletizer are successively set on exit side of last coating drying unit, or rolling device is arranged on feed side of last coating drying unit and pelletizer is arranged on the exit side of this coating drying unit.
According to this utility model, tension force error correct module that rolling device includes setting gradually, roll-in module, roller press type tension force conduction band module.
According to this utility model, tension force error correct module, module of cutting into slices that pelletizer includes setting gradually, take up module.
According to this utility model, section module be perform five metals stamping cut, the device of a kind of slicing mode in laser die cutting, cut mode；And/or the module that takes up is frame-type casing.
According to this utility model, section module be perform five metals stamping cut, the device of a kind of slicing mode in laser die cutting, cut mode.
According to this utility model, the module that takes up is frame-type casing.
According to this utility model, tension force error correct module includes tension control mechanism, pole band buffer adjusting mechanism, correction executing mechanism.
According to this utility model, roller press type tension force conduction band module includes a pair pressure roller, bearing block, gear train and servo-driver；Wherein, the two ends of pressure roller are rotatably supported on bearing block, gearset motions described in servo driver drives, gear set drive the pair of pressure roller synchronous axial system.
According to this utility model, dual coating module is rotogravure application device, spray equipment or squash type coating mechanism.
According to this utility model, pole piece preparation system is the pole piece preparation system for preparing electrodes of lithium-ion batteries.
(3) beneficial effect
Technique scheme of the present utility model has the advantage that
Pole piece preparation system of the present utility model, the two-sided of pole band is coated by dual coating module simultaneously, suspended through floated baking oven by tension force error correct module, roller press type tension force conduction band module and floated baking oven co-controlling pole band, it is possible to realize the two-sided of pole band being dried simultaneously.Thus, the two-sided of pole band is coated and dries simultaneously, improve the efficiency of production process.
Accompanying drawing explanation
Fig. 1 is the structural representation of first embodiment of pole piece preparation system of the present utility model；
Fig. 2 is the partial schematic diagram of the unwinding device in the pole piece preparation system illustrated in Fig. 1；
Fig. 3 is the partial schematic diagram of the first coating drying unit in the pole piece preparation system illustrated in Fig. 1；
Fig. 4 is the schematic front view of the roller press type tension force conduction band module in the first coating drying unit shown in Fig. 3；
Fig. 5 is the rolling device in the pole piece preparation system illustrated in Fig. 1 and the partial schematic diagram of pelletizer；
Fig. 6 is the structural representation of second embodiment of pole piece preparation system of the present utility model.In figure:
1: unwinding device；2: the first coating drying units；3: the second coating drying units；4: the three coating drying units；5: rolling device；6: pelletizer；21,31,41,51,61: tension force error correct module；22,32,42: dual coating module；23,33,43: floated baking oven；24,34,44,53: roller press type tension force conduction band module；52: roll-in module；62: section module；63: take up module；241: bearing block；242: pressure roller；243: gear train: 244: servo-driver.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained on the premise of not making creative work, broadly fall into the scope of this utility model protection.
The embodiment one of pole piece preparation system
Referring to figs. 1 through Fig. 5, in the present embodiment, pole piece preparation system includes that least one set coats drying unit, and often coating drying unit all includes tension force error correct module, dual coating module, at least one floated baking oven and the roller press type tension force conduction band module being sequentially arranged.Wherein, tension force error correct module is for rectifying a deviation to pole band and tension force control, dual coating module is for the two-sided slurry that coats to pole band simultaneously, and floated baking oven is for drying the two-sided of pole band simultaneously, and roller press type tension force conduction band module is for providing pull strength for pole band.Tension force error correct module, roller press type tension force conduction band module and floated baking oven co-controlling pole band suspend through floated baking oven.In other words, the pull strength controlling to apply pole band with roller press type tension force conduction band module by the tension force of tension force error correct module realizes the regulation to pole belt tension jointly, and then realize the tension force of pole band is controllably transmitted, on this basis, in conjunction with the wind-force in floated baking oven, it is possible to ensure that pole band suspends through floated baking oven.Thereby, it is possible to realize the two-sided of pole band being coated and being dried simultaneously, improve the efficiency of production process.Additionally, the mode that the positive and negative (two-sided) of pole band is coated simultaneously, the concordance of the thus performance of the pole piece that pole band is made can be improved.
In the present embodiment, this pole piece preparation system is used for preparing electrodes of lithium-ion batteries.
Further, in the present embodiment, pole piece preparation system also includes unwinding device 1, rolling device 5 and pelletizer 6.
With reference to Fig. 1, unwinding device 1 is arranged on the feed side of coating drying unit, and rolling device 5 and pelletizer 6 are successively set on the exit side of coating drying unit, i.e. unwinding device 1, coating drying unit, rolling device 5 and set gradually with pelletizer 6.In preparation process, pole band is placed in unwinding device 1, enters coating drying unit afterwards and is coated slurry and drying, and the pole after then drying is brought in rolling device 5 by roll-in, and the pole band after roll-in enters in pelletizer 6 makes pole piece.
Further, with reference to Fig. 1, direction of transfer along pole band, specifically describe unwinding device 1, coating drying unit, rolling device 5 and pelletizer 6, wherein, set gradually three coating drying units, the respectively first coating drying unit 2, the second coating drying unit 3 and the 3rd coating drying unit 4 in the present embodiment.
Seeing figures.1.and.2, unwinding device 1 includes gas expansion shaft, actively unreels servo control mechanism, tension detecting apparatus, deviation correction mechanism.After unwinding device 1 put into by pole band, the tension force error correct module 21 in the first coating drying unit 2 after being gradually transferred into, continues to transport through dual coating module 22, floated baking oven 23, roller press type tension force conduction band module 24 afterwards.It is understood that unwinding device 1 and tension force error correct module and the common of roller press type tension force conduction band module coordinate, the most further pole band is carried out tension force and has controlled and correction, i.e. can tension force and position controllably carry electrode band.
With reference to Fig. 1 and Fig. 3, in first coating drying unit 2, tension force error correct module 21 includes tension control mechanism, pole band buffer adjusting mechanism, correction executing mechanism, has the dash adjustment function of pole band, it is possible to realize the control to front and back's pole band stress and relative separation.Dual coating module 22 can be rotogravure application device or spray equipment, to realize thin layer coating functions.In floated baking oven 23, up and down the air-flow blown be may insure that pole band passes through smoothly in setting position through be pre-designed, and guarantee to dry the slurry coating having been coated with on the band of pole.As shown in Figure 4, roller press type tension force conduction band module 24 mainly includes bearing block 241, a pair pressure roller 242, gear train 243 and servo-driver 244, wherein, the two ends of pressure roller 242 are rotatably supported on bearing block 241, servo-driver 244 drive gear set 243 is moved, gear set drive a pair pressure roller 242 synchronous axial system.In the case of not bending pole band, provide pull strength by the frictional force between pressure roller 242 and pole band for pole band, to guarantee that pole band, in the case of specific tensile, steadily advances.The material of the part that pressure roller contacts with pole piece can be the one in metal, rubber, plastics, fiber.Pole band forms ground floor dope layer through the first coating drying unit 2.
In second coating drying unit 3, tension force error correct module 31, floated baking oven 33 are identical with appropriate section in the first coating drying unit 2 with roller press type tension force conduction band module 34, deposit and be not only that, dual coating module 32 in this second coating drying unit 3 is squash type coating mechanism, it is capable of high viscosity, the coating of thickness 50-300nm, and in order to coordinate the coating parameters in dual coating module, use the multiple floated baking oven 33 being sequentially connected in series to dry.Pole band is formed through the second coating drying unit 3 and is positioned at the second layer dope layer above ground floor dope layer.
3rd coats the identical with the corresponding component in the first coating drying unit 2 of tension force error correct module 41, dual coating module 42, floated baking oven 43 and the roller press type tension force conduction band module 44 in drying unit 4, and pole band is formed through the 3rd coating drying unit 4 and is positioned at the third layer dope layer above second layer dope layer.
With reference to Fig. 1 and Fig. 5, tension force error correct module 51 that rolling device 5 includes setting gradually, roll-in module 52, roller press type tension force conduction band module 53.Tension force error correct module 51 is identical with the tension force error correct module in coating drying unit and roller press type tension force conduction band module respectively with roller press type tension force conduction band module 53, and it realizes controllably transmitting tension force and the position of pole band.Roll-in module 52 includes a pair roller, so that the pole band after three coatings and drying is carried out roll-in.This roll-in module 52 is provided calendering force by hydraulic pressure, by the pole band that ironed coating is complete, improves surface density, roller diameter >=500mm.
With reference to Fig. 1 and Fig. 5, pelletizer 6 includes the tension force error correct module 61 set gradually, module 62 of cutting into slices, take up module 63.Tension force error correct module 61 is identical with the tension force error correct module in coating drying unit, it is achieved controls the tension force of pole band and correction, and then realizes tension force and position controllably carry electrode band.Section module 62 can be by five metals stamping cut, the device of a kind of slicing mode in laser die cutting, cut mode, wherein, by feeding mechanism conveying pole band before cutting, the pole piece after cutting is carried by conveyer belt.The module 63 that takes up is the device for storing and shift pole piece matched with section module 62, is optionally the material such as plastics or rustless steel and makes frame-type casing.Use this pelletizer 6, there is no an operation of cutting in usual lithium battery pole slice manufacture, but section the most processed, decrease process flow, reduce system complexity, thus improve reliability, reduce cost.
The following process using the pole piece preparation system of the present embodiment to prepare pole piece that describes:
S1, pole band is put into unwinding device 1；
S2, the pole band dual coating module 22 in the first coating drying unit 2 and the dual coating module 32 in floated baking oven the 23, second coating drying unit 3 and floated baking oven the 33, the 3rd coat the dual coating module 42 in drying unit 4 and floated baking oven 43, form three coating layers；
S3, form the pole band of three coating layers and enter rolling device 5 and carry out roll-in；
S4, it is brought in pelletizer 6 by the pole after roll-in and is made into pole piece and collects；
Wherein, in step s 2 during each coating drying unit and in step S3, all use tension force error correct module and pole band is carried out roller press type tension force conduction band module tension force and position is controllably transmitted, tension force control and correction is carried out through overtension error correct module, to realize tension force and position controllably carry electrode band after pole band enters pelletizer 6 and before it is made into pole piece.
The embodiment two of pole piece preparation system
With reference to Fig. 6, in the present embodiment two, being with the difference of above-described embodiment one, rolling device 5 is arranged on last feed side coating drying unit (the 3rd coating drying unit 4) and pelletizer 6 is arranged on last exit side coating drying unit (the 3rd coating drying unit 4).
The following process using the pole piece preparation system of the present embodiment to prepare pole piece that describes:
S1, pole band is put into unwinding device 1；
S2, pole band coat the dual coating module 32 in the dual coating module 22 in drying unit 2 and floated baking oven the 23, second coating drying unit 3 and floated baking oven 33 through first, form two-layer dope layer；
S3, form the pole band of two-layer dope layer and enter rolling device 5 and carry out roll-in；
Pole band after S4, roll-in coats the dual coating module 42 in drying unit 4 and floated baking oven 43 through the 3rd, forms third layer dope layer；
S5, it is brought in pelletizer 6 by the pole after roll-in and is made into pole piece and collects；
Wherein, in step S2 and step S4 during each coating drying unit and in step S3, all use tension force error correct module and roller press type tension force conduction band module that pole band carries out the controlled transmission of tension force and position, enter after pelletizer 6 at pole band and through overtension error correct module pole band carried out tension force control and correction before it is made into pole piece, and then realizing pole band is carried out the controlled transmission of tension force and position.
Summary embodiment one and embodiment two, through three-layer coating, the available higher pole piece of performance, provide abundant washability to technological design.Furthermore, it is possible to according to process requirements, select the quantity of coating.As the quantity of coating need to be decreased or increased, the quantity of coating drying unit can be correspondingly decreased or increased.Further, according to thickness and the character of coating of coating, can accordingly increase or reduce the quantity of floated baking oven in coating drying unit.It addition, according to technique needs, embodiment one or the order of placement of embodiment two can be selected.
Preferably, the module that function is the same uses identical parts composition, simplify as possible and reduce parts, thus reduce the complexity of equipment, to improve the reliability of equipment, improving production efficiency simultaneously, reduce energy consumption, basis is made in full-automation, streamlined scale manufacturing for lithium ion battery production line.
Pole piece preparation system of the present utility model, eliminate the rolling-up mechanism used in prior art, on the one hand eliminate the curling caused because of rolling and cause pole piece warpage thus impact on performance of lithium ion battery, on the other hand, reduce operation, decrease manual operation, thus be conducive to improving homogeneity of product, be conducive to improving production efficiency, advantageously reduce production cost.
Especially, roller press type tension force conduction band module of the present utility model makes modular series connection to realize.And further, use the pole piece preparation system of modularized design, sliver uses the control system of a set of concentration to coordinate to control, and modules uses the control system of sub-rank.
An a kind of embodiment of the coating furnace drying method for pole band
A kind of coating furnace drying method for pole band, comprises the steps: that pole band is carried out tension force controllably transmits, and during transmitting, the first two-sided slurry that simultaneously coats to pole band, then in floated baking oven, the two-sided of pole band is dried simultaneously.Wherein, the tension force to pole band controls to suspend through floated baking oven with the wind-force co-controlling pole band in floated baking oven.
Use this coating furnace drying method the two-sided of pole band to be coated simultaneously, and be combined co-controlling pole band through a step by the wind-force that the tension force of pole band is controlled in floated baking oven, it is capable of so that pole band suspends through floated baking oven, and then realizes the two-sided of pole band being dried simultaneously.Thus, the two-sided of pole band is coated and dries simultaneously, improve the efficiency of production process.And the mode that positive and negative coats simultaneously, the concordance of the performance of the pole piece made can be improved.
In the present embodiment, the coating drying unit in above-mentioned pole piece preparation system can be used to perform this coating furnace drying method.Specifically, the tension force using tension force error correct module controls and the pull strength of pole band is realized controllably transmitting pole belt tension by roller press type tension force conduction band module jointly.
Further, before pole band is coated, use tension force error correct module that pole band is rectified a deviation.In the present embodiment, the deviation correction mechanism in tension force error correct module is used to perform this operation.Thus, tension force error correct module and roller press type tension force conduction band module carry out the controlled transmission of tension force and position jointly to pole band.
Further, coating can be rotogravure application, spraying or squash type coating.
An a kind of embodiment of pole piece preparation method
A kind of pole piece preparation method, can apply the pole piece preparation system shown in above-mentioned Fig. 1.Specifically include the following steps performed successively:
Unreel step；
Coating baking step, uses the above-mentioned coating furnace drying method for pole band that pole band is coated and is dried；
Calandering steps, carries out tension force to the pole band after drying and position is controllably transmitted, and during transmitting, pole band is carried out roll-in；
Flaking step, carries out tension force to the pole band after roll-in and position is controllably transmitted, then cut to make pole piece to pole band, finally collect the pole piece made；
Wherein, coating baking step performs at least one times.
One embodiment of another kind of pole piece preparation method
A kind of pole piece preparation method, can apply the pole piece preparation system shown in above-mentioned Fig. 6.Specifically include the following steps performed successively:
Unreel step；
Coating baking step, uses the above-mentioned coating furnace drying method for pole band that pole band is coated and is dried；
Calandering steps, carries out tension force to the pole band after drying and position is controllably transmitted, and rectifies a deviation pole band and roll-in during transmitting；
Coating baking step, uses the above-mentioned coating furnace drying method for pole band that the pole band after roll-in is again coated and is dried；
Flaking step, carries out tension force to the pole band after drying and position is controllably transmitted, then cut to make pole piece to pole band, finally collect the pole piece made；
Wherein, the coating baking step performed before calandering steps performs at least one times.
Above two pole piece preparation method, all uses above-mentioned coating furnace drying method to be coated pole band drying, improves the efficiency of production process.Additionally, the mode that the positive and negative (two-sided) of pole band is coated simultaneously, the concordance of the thus performance of the pole piece that pole band is made can be improved.
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of this utility model each embodiment technical scheme.
Claims (10)
1. a pole piece preparation system, it is characterised in that include that least one set coats drying unit
(2,3,4), described coating drying unit (2,3,4) including:
For pole band is rectified a deviation and tension force control tension force error correct module, for institute
State pole band two-sided and coat the dual coating module of slurry, two-sided for described pole band simultaneously
Carry out at least one floated baking oven of drying and for providing traction for described pole band simultaneously
The roller press type tension force conduction band module of power；
Wherein, described tension force error correct module, described dual coating module, described floated
Baking oven and described roller press type tension force conduction band module are sequentially arranged, described tension force error correct module,
Pole band described in described roller press type tension force conduction band module and described floated baking oven co-controlling suspends and wears
Cross described floated baking oven.
Pole piece preparation system the most according to claim 1, it is characterised in that also include:
Be arranged on the unwinding device (1) of the feed side of described coating drying unit, described in unreel dress
Put (1) to include gas expansion shaft, actively unreel servo control mechanism, tension detecting apparatus, deviation correction mechanism.
Pole piece preparation system the most according to claim 1, it is characterised in that also include:
Pole band is carried out the rolling device (5) of roll-in and described pole band is made the film-making of pole piece
Device (6)；
When being provided with a described coating drying unit, described rolling device (5) fills with film-making
Put (6) and be successively set on described coating drying unit exit side；
When being provided with multiple described coating drying unit, described rolling device depends on pelletizer
Secondary exit side being arranged on last coating drying unit, or described rolling device is arranged on
The feed side of last coating drying unit and described pelletizer are arranged on this coating and dry dress
The exit side put.
Pole piece preparation system the most according to claim 3, it is characterised in that
Tension force error correct module that described rolling device (5) includes setting gradually, roll-in module,
Roller press type tension force conduction band module.
Pole piece preparation system the most according to claim 3, it is characterised in that
Tension force error correct module that described pelletizer (6) includes setting gradually, section module,
Take up module.
Pole piece preparation system the most according to claim 5, it is characterised in that
Described section module be perform five metals stamping cut, one in laser die cutting, cut mode
The device of slicing mode；And/or
The described module that takes up is frame-type casing.
7. according to the pole piece preparation system according to any one of claim 1,4,5, its feature
It is,
Described tension force error correct module include tension control mechanism, pole band buffer adjusting mechanism,
Correction executing mechanism.
8. according to the pole piece preparation system described in claim 1 or 4, it is characterised in that
Described roller press type tension force conduction band module includes a pair pressure roller, bearing block, gear train and watches
Take driver；
Wherein, the two ends of described pressure roller are rotatably supported on described bearing block, described servo
Gearset motions described in driver drives, described gear set drive the pair of pressure roller synchronous axial system.
Pole piece preparation system the most according to claim 1, it is characterised in that
Described dual coating module is rotogravure application device, spray equipment or squash type coating mechanism.
Pole piece preparation system the most according to claim 1, it is characterised in that
Described pole piece preparation system is the pole piece preparation system for preparing electrodes of lithium-ion batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520939765.1U CN205587249U (en) | 2015-11-23 | 2015-11-23 | Pole piece preparation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520939765.1U CN205587249U (en) | 2015-11-23 | 2015-11-23 | Pole piece preparation system |
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| CN205587249U true CN205587249U (en) | 2016-09-21 |
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| CN201520939765.1U Active CN205587249U (en) | 2015-11-23 | 2015-11-23 | Pole piece preparation system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107845769A (en) * | 2017-09-28 | 2018-03-27 | 东莞市沃泰通新能源有限公司 | A kind of battery pole piece coating unit |
| CN110660971A (en) * | 2019-08-30 | 2020-01-07 | 蜂巢能源科技有限公司 | Rolling and die cutting integrated machine |
| CN110793294A (en) * | 2019-11-21 | 2020-02-14 | 深圳市腾达工业自动设备有限公司 | Vertical coil stock baking equipment |
| CN113659216A (en) * | 2021-07-28 | 2021-11-16 | 风帆有限责任公司 | Method for improving warping of lithium battery pole roll |
-
2015
- 2015-11-23 CN CN201520939765.1U patent/CN205587249U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107845769A (en) * | 2017-09-28 | 2018-03-27 | 东莞市沃泰通新能源有限公司 | A kind of battery pole piece coating unit |
| CN107845769B (en) * | 2017-09-28 | 2020-10-16 | 东莞市沃泰通新能源有限公司 | Battery sheet coating device |
| CN110660971A (en) * | 2019-08-30 | 2020-01-07 | 蜂巢能源科技有限公司 | Rolling and die cutting integrated machine |
| CN110793294A (en) * | 2019-11-21 | 2020-02-14 | 深圳市腾达工业自动设备有限公司 | Vertical coil stock baking equipment |
| CN113659216A (en) * | 2021-07-28 | 2021-11-16 | 风帆有限责任公司 | Method for improving warping of lithium battery pole roll |
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