CN105703016B - A kind of hot equipment complex bonded with diaphragm for battery pole piece - Google Patents
A kind of hot equipment complex bonded with diaphragm for battery pole piece Download PDFInfo
- Publication number
- CN105703016B CN105703016B CN201610232436.2A CN201610232436A CN105703016B CN 105703016 B CN105703016 B CN 105703016B CN 201610232436 A CN201610232436 A CN 201610232436A CN 105703016 B CN105703016 B CN 105703016B
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- diaphragm
- tape deck
- pole piece
- continuous tape
- bonded
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The present invention provides a kind of hot equipment complex bonded with diaphragm for battery pole piece, which includes heating device, pressue device, the first continuous tape deck, the second continuous tape deck, diaphragm support device and frame；The pressue device is fixed on framework upper, the first continuous tape deck is connect with pressue device, the second continuous tape deck is fixed on lower frame, the diaphragm support device is fixed on frame, and in the upper surface of the upper surface of the diaphragm support device and the described second continuous tape deck is generally aligned in the same plane.The problem of misplacing the invention avoids pole piece in normal lamination battery, enhances the safety during the use of battery later stage；Pole piece and diaphragm are bonded together the cycle performance and high rate performance that can improve battery；Continuous tape deck can be transmitted in hot pressing, that is to say, that hot pressing, transmission are carried out at the same time, and production efficiency greatly improved；Simultaneously as pole piece is fixed, finishing operations become simple.
Description
Technical field
It is specifically a kind of to be answered for battery pole piece and the heat that diaphragm bonds the present invention relates to laminated batteries manufacture technology field
Close equipment.
Background technology
With the further development of the electronic products such as laptop, smart mobile phone, lithium ion battery obtains increasingly wider
General application.Lithium ion battery also due to its light weight, small, higher than energy, self discharge is small, good cycle, pollution it is small
And the features such as memory-less effect, become one of the green secondary cell of 21 century most application prospect.
Currently used lithium ion battery uses takeup type production method, this method have production efficiency it is high, at
This low, simple operation and other advantages.But as new-energy automobile further genralrlization is universal, conventional lithium-ion battery also gradually exposes
Go out its shortcoming, as internal resistance is big, security performance, high rate charge-discharge poor performance etc..Then it laminated batteries and takes into account
The takeup type laminated batteries of performance and efficiency come into being, and compare winding-structure, and lamination has evenly consistent electric current
Density, excellent internal heat dissipating performance, excellent high rate capability, are more suitable for high power discharge.This laminated batteries or volume
One of making difficult point of wound laminated batteries is how to be bonded together and ensure that pole does not occur on the make pole piece and diaphragm
Piece deviates and leads to positive and negative anodes contact short circuit.
Invention content
The purpose of the present invention is to provide a kind of hot equipment complexes bonded with diaphragm for battery pole piece, which can
Effectively battery pole piece and diaphragm are adhesively fixed together, improving existing laminated batteries, diaphragm is sent out with pole piece in the production process
The problems such as raw dislocation, diaphragm fold.
The technical scheme is that：
A kind of hot equipment complex bonded for battery pole piece and diaphragm, the equipment include heating device, pressue device, the
One continuous tape deck, the second continuous tape deck, diaphragm support device and frame；The pressue device is fixed on frame
Portion, the first continuous tape deck are connect with pressue device, and the second continuous tape deck is fixed on lower frame, described
Diaphragm support device is fixed on frame, and the upper surface of the diaphragm support device and the described second continuous tape deck is upper
In surface is generally aligned in the same plane；
The first continuous tape deck and the second continuous tape deck structure are identical, include driven by driven roller it is more
It a pressure roller, the endless belt for being winded at the multiple pressure roller both ends and is evenly distributed on multiple in the endless belt peripheral surface
Heating platen；The pressure roller is the dumbbell structure that both ends are thick, centre is thin；The lower part of the endless belt of the first continuous tape deck
The upper inner of inside and the endless belt of the second continuous tape deck is close to be equipped with the rolling being formed by connecting by multiple idler wheels
Wheel group；The heating device is close to the inside setting of the roller group.
The hot equipment complex bonded with diaphragm for battery pole piece, the heating device are hollow cuboid knot
Structure, inner homogeneous are distributed with multiple heating elements, and the one side that the rectangular parallelepiped structure is close to roller group is hot pressing face, remaining five
Face is equipped with heat insulation layer.
The hot equipment complex bonded with diaphragm for battery pole piece, the pressue device are cylinder or oil cylinder.
The described hot equipment complex bonded with diaphragm for battery pole piece, the roller group along heating platen direction of transfer
The distance between two adjacent rollers being arranged are less than the half of heating platen length.
The hot equipment complex bonded with diaphragm for battery pole piece, the endless belt is flexible-belt, using polyester
Canvas or duck are prepared.
The hot equipment complex bonded with diaphragm for battery pole piece, the heating platen is using stainless steel, copper coin, aluminium
One kind in alloy, aluminium nitride ceramics, aluminium oxide ceramics, boron nitride ceramics, polytetrafluoroethylene (PTFE) is prepared.
The hot equipment complex bonded with diaphragm for battery pole piece, which further includes heating controller, described
The output end of heating controller and the input terminal of heating device connect.
Beneficial effects of the present invention are：
As shown from the above technical solution, the problem of misplacing the invention avoids pole piece in normal lamination battery, enhances electricity
Safety during the use of pond later stage；Pole piece and diaphragm are bonded together the cycle performance that can improve battery and forthright again
Energy；Continuous tape deck can be transmitted in hot pressing, that is to say, that hot pressing, transmission are carried out at the same time, and production efficiency greatly improved；
Simultaneously as pole piece is fixed, finishing operations become simple.
Description of the drawings
Fig. 1 is the structural schematic diagram of the specific embodiment of the invention；
Fig. 2 is the structural schematic diagram of the continuous tape deck of the present invention；
Fig. 3 is the schematic cross-section of the pressure roller of the present invention；
Fig. 4 is the partial schematic diagram of the pressure roller of the present invention, continuous tape deck and heating device.
Specific implementation mode
It further illustrates the present invention in the following with reference to the drawings and specific embodiments.
As shown in Figure 1 to 4, a kind of hot equipment complex bonded with diaphragm for battery pole piece, including heating device 1,
Pressue device 2, the first continuous tape deck, the second continuous tape deck, diaphragm support device 8, frame 9 and heating controller
10。
First continuous tape deck and the second continuous tape deck structure are identical, include driven by driven roller 3 it is multiple
Pressure roller 4, the endless belt 5 for being winded at 4 both ends of multiple pressure rollers and the multiple heating platens being evenly distributed in 5 peripheral surface of endless belt
6.Pressure roller 4 is the dumbbell structure that both ends are thick, centre is thin.The lower inside and second of the endless belt 5 of first continuous tape deck
The upper inner of the endless belt 5 of continuous tape deck is close to be equipped with the roller group 7 being formed by connecting by multiple idler wheels.
Heating device 1 is close to the inside setting of roller group 7, and pressue device 2 is fixed on 9 top of frame, the first continuous tape transport
Multiple pressure rollers 4 of device are connect by holder with pressue device 2, and multiple pressure rollers 4 of the second continuous tape deck are solid by holder
It is scheduled on 9 lower part of frame.Diaphragm support device 8 is fixed on the frame 9, and the upper surface of diaphragm support device 8 is continuously walked with second
In the outer surface of upper of endless belt 5 with device is generally aligned in the same plane.
Heating device 1 is hollow rectangular parallelepiped structure, and multiple heating elements 11 are distributed in inner homogeneous, and rectangular parallelepiped structure is tight
The one side for pasting roller group 7 is hot pressing face, remaining five face is equipped with heat insulation layer 12, heat-insulating material can be glass fibre, asbestos,
Rock wool, silicate or aerogel blanket, evacuated panel etc..The output end of heating controller 10 connects with the input terminal of heating element 11
It connects.The mode of heating of heating element 11 can add for Resistant heating, heat-conducting oil pipes heating, infrared heating, medium-high frequency induction
Heat or one or more of microwave heating mixing, heating temperature is in room temperature to adjustable between 300 DEG C.Heat insulation layer 12 reduces
Heating element 11 and the heat on periphery are transmitted, and are played the role of heat preservation and are saved energy consumption.
Pressue device 2 is cylinder or oil cylinder, it is possible to provide 0 to 1000kgf pressure.
Driven roller 3 is connected to the motor, and pressure roller 4 is connected with driven roller 3 by belt or chain.Endless belt 5 is with pressure roller 4
It rotates and moves, and when carrying out hot pressing, can also realize continuous tape transport.Roller group 7 along 6 direction of transfer of heating platen setting
The distance between two adjacent rollers are less than the half of 6 length of heating platen, can guarantee heating platen 6 when being driven once at least in this way
The more than two idler wheels of contact, pressure is uniform when to make hot pressing.It is partly heating platen 6 mainly to work when hot pressing, endless belt 5
Effect is connection heating platen 6, and the cambered surface that can surround pressure roller 4 moves.Endless belt 5 is flexible-belt, using heat-resisting material
It prepares, can be that high-strength Thief zone polyester canvas or duck etc. are one such.6 material of heating platen must hardness height and thermal conductivity
Good, material can be in stainless steel, copper coin, aluminium alloy, aluminium nitride ceramics, aluminium oxide ceramics, boron nitride ceramics, polytetrafluoroethylene (PTFE)
One kind.
It is aluminium foil that anode, which uses LiFePO 4 material, collector, and cathode uses artificial graphite material, and collector is copper
Foil.Positive and negative collector complete coating, baking, roll-in, cut into item after, be cut into respectively according to positive and negative plate design size
Small pole piece is simultaneously regular.
The operation principle of the present invention：
Pole piece 13 and diaphragm 14 at least surface coating, be placed on several pole pieces 13 are evenly distributed on diaphragm 14.
When pole piece 13 and diaphragm 14 enter the first continuous tape deck and the second continuous tape transport in the direction of the arrow by diaphragm support device 8
When between device, pressue device 2 provides certain pressure, the pressure roller 4 of the first continuous tape deck under the action of pressue device 2 to
Lower movement applies one to make the first continuous tape deck move closer to the second continuous tape deck to pole piece 13 and diaphragm 14
Constant-pressure, device for simultaneous heating 1 is by heating platen 6 by thermal energy conduction to pole piece 13 and diaphragm 14.On diaphragm 14 or pole piece 13
Gluing melts under the action of thermal energy, and pole piece 13 is made to be bonded together with diaphragm 14 under stress, and is filled by diaphragm support
It sets 8 to be continued to move along in the direction of the arrow into next process, hot pressing is completed.
Pressure roller 4 is connected to driven roller 3, and is rotated under the action of driven roller 4, and is moved with ring-shaped belt 5, due to pole piece
13 and diaphragm 14 when entering between the first continuous tape deck and the second continuous tape deck, diaphragm 14 is to be tightly attached to the second company
The outer surface of upper of the endless belt 5 of continuous tape deck, so that equipment can also drive diaphragm 14 to move simultaneously in hot pressing,
Continuous Heat to realize diaphragm 14 and pole piece 13 is compound.
The present invention is suitable for liquid lithium ionic cell, polymer Li-ion battery, sodium-ion battery, Magnesium ion battery etc..
When for lithium ion battery, cell positive material is LiFePO4, LiMn2O4, cobalt acid lithium, nickle cobalt lithium manganate or nickel cobalt aluminic acid
One or more of richness lithium phase material such as lithium, cell negative electrode material is in the materials such as carbons, silicon class, alloy type, lithium titanate
One or more, battery diaphragm are polyethylene diagrams, polypropylene diaphragm, polypropylene-polyethylene composite diaphragm, non-woven fabrics, gather partially
One kind in fluoroethylene polymer diaphragm, gluing diaphragm or ceramic diaphragm.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
It encloses and is defined, under the premise of not departing from design spirit of the present invention, technical side of the those of ordinary skill in the art to the present invention
The various modifications and improvement that case is made should all be fallen into the protection domain of claims of the present invention determination.
Claims (7)
1. a kind of hot equipment complex bonded with diaphragm for battery pole piece, it is characterised in that：The equipment includes heating device, adds
Pressure device, the first continuous tape deck, the second continuous tape deck, diaphragm support device and frame；The pressue device is fixed
In framework upper, the first continuous tape deck is connect with pressue device, and the second continuous tape deck is fixed on frame
Lower part, the diaphragm support device are fixed on frame, and the upper surface of the diaphragm support device is continuously walked with described second
In upper surface with device is generally aligned in the same plane；
The first continuous tape deck and the second continuous tape deck structure are identical, include the multiple pressures driven by driven roller
Roller, the endless belt for being winded at the multiple pressure roller both ends and the multiple hot pressing being evenly distributed in the endless belt peripheral surface
Plate；The pressure roller is the dumbbell structure that both ends are thick, centre is thin；The lower inside of the endless belt of the first continuous tape deck
It is close to be equipped with the roller group being formed by connecting by multiple idler wheels with the upper inner of the endless belt of the described second continuous tape deck；
The heating device is close to the inside setting of the roller group.
2. the hot equipment complex according to claim 1 bonded with diaphragm for battery pole piece, it is characterised in that：It is described to add
Hot charging is set to hollow rectangular parallelepiped structure, and multiple heating elements are distributed in inner homogeneous, and the rectangular parallelepiped structure is close to roller group
One side be hot pressing face, remaining five face is equipped with heat insulation layer.
3. the hot equipment complex according to claim 1 bonded with diaphragm for battery pole piece, it is characterised in that：It is described to add
Press fitting is set to cylinder or oil cylinder.
4. the hot equipment complex according to claim 1 bonded with diaphragm for battery pole piece, it is characterised in that：The rolling
The half for being less than heating platen length along the distance between two adjacent rollers of heating platen direction of transfer setting of wheel group.
5. the hot equipment complex according to claim 1 bonded with diaphragm for battery pole piece, it is characterised in that：The ring
Shape band is flexible-belt, is prepared using polyester canvas or duck.
6. the hot equipment complex according to claim 1 bonded with diaphragm for battery pole piece, it is characterised in that：The heat
Pressing plate is using one in stainless steel, copper coin, aluminium alloy, aluminium nitride ceramics, aluminium oxide ceramics, boron nitride ceramics, polytetrafluoroethylene (PTFE)
Kind is prepared.
7. the hot equipment complex according to claim 1 bonded with diaphragm for battery pole piece, it is characterised in that：The equipment
Further include heating controller, the output end of the heating controller and the input terminal of heating device connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610232436.2A CN105703016B (en) | 2016-04-14 | 2016-04-14 | A kind of hot equipment complex bonded with diaphragm for battery pole piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610232436.2A CN105703016B (en) | 2016-04-14 | 2016-04-14 | A kind of hot equipment complex bonded with diaphragm for battery pole piece |
Publications (2)
| Publication Number | Publication Date |
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| CN105703016A CN105703016A (en) | 2016-06-22 |
| CN105703016B true CN105703016B (en) | 2018-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610232436.2A Active CN105703016B (en) | 2016-04-14 | 2016-04-14 | A kind of hot equipment complex bonded with diaphragm for battery pole piece |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108365266A (en) * | 2018-01-24 | 2018-08-03 | 柔电（武汉）科技有限公司 | The method and production line of dry process PVDF diaphragm cell pole piece constituent elements |
| CN110034337B (en) * | 2019-03-25 | 2022-07-12 | 合肥国轩高科动力能源有限公司 | Method for compounding lithium ion battery pole piece and diaphragm and application of lithium ion battery pole piece and diaphragm in battery preparation |
| CN110048080B (en) * | 2019-04-03 | 2021-03-16 | 昆山聚创新能源科技有限公司 | Lithium battery pole piece, preparation method thereof and lithium battery |
| CN111806045A (en) * | 2020-07-03 | 2020-10-23 | 重庆中航新型材料科技有限公司 | Special equipment for producing composite energy-saving plate |
| CN113299969A (en) * | 2021-05-24 | 2021-08-24 | 深圳吉阳智能科技有限公司 | Method and device for positioning unit piece and laminating machine |
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| CN101267050A (en) * | 2008-04-18 | 2008-09-17 | 江苏迪欧能源科技有限公司 | Method for making electric core of lithium ion battery |
| CN103545473A (en) * | 2013-10-18 | 2014-01-29 | 中国第一汽车股份有限公司 | Device and method for preparing integrated lithium battery polar plate diaphragm |
| CN104600365A (en) * | 2014-12-23 | 2015-05-06 | 中国兵器工业第二一三研究所 | Integrated structure of ultrathin lithium-manganese battery |
| CN104718654A (en) * | 2013-09-27 | 2015-06-17 | 株式会社Lg化学 | Stack apparatus and stack method of unit for secondary battery |
| CN205583067U (en) * | 2016-04-14 | 2016-09-14 | 合肥国轩高科动力能源有限公司 | A heat recombination equipment for battery sheet bonds with diaphragm |
-
2016
- 2016-04-14 CN CN201610232436.2A patent/CN105703016B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101267050A (en) * | 2008-04-18 | 2008-09-17 | 江苏迪欧能源科技有限公司 | Method for making electric core of lithium ion battery |
| CN104718654A (en) * | 2013-09-27 | 2015-06-17 | 株式会社Lg化学 | Stack apparatus and stack method of unit for secondary battery |
| CN103545473A (en) * | 2013-10-18 | 2014-01-29 | 中国第一汽车股份有限公司 | Device and method for preparing integrated lithium battery polar plate diaphragm |
| CN104600365A (en) * | 2014-12-23 | 2015-05-06 | 中国兵器工业第二一三研究所 | Integrated structure of ultrathin lithium-manganese battery |
| CN205583067U (en) * | 2016-04-14 | 2016-09-14 | 合肥国轩高科动力能源有限公司 | A heat recombination equipment for battery sheet bonds with diaphragm |
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| CN105703016A (en) | 2016-06-22 |
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