CN105355962A - Preparation method of winding type laminated battery - Google Patents
Preparation method of winding type laminated battery Download PDFInfo
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- CN105355962A CN105355962A CN201510848158.9A CN201510848158A CN105355962A CN 105355962 A CN105355962 A CN 105355962A CN 201510848158 A CN201510848158 A CN 201510848158A CN 105355962 A CN105355962 A CN 105355962A
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- barrier film
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- laminated batteries
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- 238000002360 preparation method Methods 0.000 title claims abstract description 33
- 238000004804 winding Methods 0.000 title abstract description 17
- 239000003292 glue Substances 0.000 claims abstract description 25
- 239000002390 adhesive tape Substances 0.000 claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 230000004888 barrier function Effects 0.000 claims description 68
- 150000001875 compounds Chemical class 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 239000003792 electrolyte Substances 0.000 claims description 9
- 229910052744 lithium Inorganic materials 0.000 claims description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- 229910052493 LiFePO4 Inorganic materials 0.000 claims description 3
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- PFYQFCKUASLJLL-UHFFFAOYSA-N [Co].[Ni].[Li] Chemical compound [Co].[Ni].[Li] PFYQFCKUASLJLL-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 150000001721 carbon Chemical class 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- OVAQODDUFGFVPR-UHFFFAOYSA-N lithium cobalt(2+) dioxido(dioxo)manganese Chemical compound [Li+].[Mn](=O)(=O)([O-])[O-].[Co+2] OVAQODDUFGFVPR-UHFFFAOYSA-N 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229940098465 tincture Drugs 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 abstract description 3
- 238000007086 side reaction Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 13
- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- 239000011230 binding agent Substances 0.000 description 9
- 239000002131 composite material Substances 0.000 description 4
- 238000003475 lamination Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
Classifications
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0431—Cells with wound or folded electrodes
-
- 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)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention provides a preparation method of a winding type laminated battery, which comprises a pole piece preparation process, wherein the pole piece preparation comprises the following steps: after coating, baking, rolling and slitting are finished on the positive and negative current collectors, the positive and negative current collectors are cut regularly according to the design sizes of the positive and negative plates, adhesive tapes or glue are adhered to the edges of the corners of the positive and negative plates, and are bonded and compounded with the diaphragm to form different pole piece-diaphragm complexes, and then the different pole piece-diaphragm complexes are used for preparing the winding type laminated battery. The winding type laminated battery prepared by the invention can solve the problems that the diaphragm and the pole piece are dislocated, the diaphragm is folded, the diaphragm is easy to pierce, the short circuit is easy, the side reaction is easy to generate, the tension of the battery is not easy to control, the performance of the battery is reduced or the battery is safe and the like in the preparation process of the existing laminated battery; the stability and the security of battery can be effectively promoted, the production cost is reduced, and the production efficiency is greatly improved.
Description
Technical field
The present invention relates to field of batteries, be specifically related to a kind of preparation method of takeup type laminated batteries.
Background technology
The consumption electronic product of modern digital is full-fledged gradually, and assembly is just trending towards light, thin, short and little target.And energy-storage battery is the power source of light portable electronic product, be growing on and on to its demand.In addition, electric vehicle, develop rapidly based on the field such as decentralized power supply feed system, peak load regulation network, redundant electrical power, green building, portable medical electronic devices, Industry Control, Aero-Space, robot, national security of solar energy and wind energy, can charge and discharge energy storage device in the urgent need to what have more high-energy-density, more high power density, more long circulation life and a greater security.Lithium ion battery because its quality is light, volume is little, specific energy is high, self discharge is little, the feature such as the little and memory-less effect of good cycle, pollution, become one of green secondary cell of 21 century most application prospect.
Battery core is in the market all generally winding method, but this lithium battery is large owing to having internal resistance, and the shortcomings such as high-rate performance is poor, and temperature is high, poor stability, cannot meet the performance requirement of some special occasions, as electrokinetic cell aspect.In order to overcome these shortcomings, especially meet the safe handling in electric automobile.Lithium ion battery on traditional structure is after size is amplified, its more inner bad reactions caused due to ad hoc structure are also amplified thereupon, now in the urgent need to a kind of core strueture more optimized to meet the designing requirement of high capacity cell, on this basis, laminated batteries arises at the historic moment.
But the production efficiency of laminated batteries is low, and pole piece is die-cut, and section is more, easily pierces through barrier film, easy short circuit, easily produces side reaction, and the tension force of battery is wayward, and battery is occurred, and performance reduces or security problems.
Summary of the invention
The object of the invention is to: the preparation method that a kind of takeup type laminated batteries is provided, existing laminated batteries can be improved misplace in preparation process septation and pole piece, barrier film fold, easily pierces through barrier film, easy short circuit, easy generation side reaction, the tension force of battery is wayward, and battery is occurred, and performance reduces or security problems, effectively can promote stability and the fail safe of battery, especially reduce production cost, increase substantially production efficiency.
For achieving the above object, the invention provides following technical scheme:
A preparation method for takeup type laminated batteries, comprises pole piece preparation process, and described pole piece preparation adopts following steps:
After completing coating, baking, roll-in at positive and negative collector, cutting slivering, cut out regular according to positive and negative plate design size respectively, then adhesive tape or glue is stained with at the comer edge place of positive and negative plate, bonding compound is carried out respectively with barrier film, form different pole pieces-barrier film complex, and then with described different pole pieces-barrier film compound system for takeup type laminated batteries.
Preferably, the concrete preparation process of described takeup type laminated batteries is as follows:
(1) after the corner of the positive plate cut out being stained with adhesive tape or glue, to bond compound by design pitch and barrier film, form positive plate-barrier film complex;
(2) after the corner of the negative plate cut out being stained with adhesive tape or glue, to bond compound by design pitch and barrier film, form negative plate-barrier film complex;
(3) positive plate-barrier film complex and negative plate-barrier film complex are prepared into takeup type laminated batteries battery core according to the mode of negative pole clad anode, then by assembling, fluid injection, change into, form takeup type laminated batteries after partial volume.
Preferably, described positive and negative plate carries out adhesive tape or glue on a production line and to bond compound with barrier film.
Preferably, described adhesive tape/glue main component is rubber or tincture fat high molecular polymer.
Preferably, the positive electrode of described battery is one or more in LiFePO4, LiMn2O4, cobalt acid lithium, nickle cobalt lithium manganate or nickel cobalt lithium aluminate material.
Preferably, the negative material of described battery is one or more in carbon class, silicon class, alloy type, lithium titanate material.
Preferably, described barrier film is the one in polyethylene film, polypropylene screen, ceramic diaphragm.
Preferably, described barrier film 2-6mm wider than positive and negative plate.
Preferably, the electrolyte in the electrolyte of described battery is organic solvent electrolyte or polymer dielectric.
Preferably, the shell of described battery is aluminum hull, box hat, plastic housing or aluminum plastic film material make.
Beneficial effect of the present invention is: compared with prior art, the takeup type laminated batteries that the present invention is prepared from, reduce lamination irregular and the safety that causes and battery performance difference and the problem such as to scrap, improve the qualification rate of laminated batteries, be conducive to the production efficiency and the product quality that improve laminated batteries, significantly reduce battery production cost, improve the market application of laminated batteries, there is important operation instruction meaning and increase economic benefit effect.
Accompanying drawing explanation
Fig. 1 is glue hopper controller schematic diagram;
Fig. 2 is the positive plate-barrier film complex schematic diagram after adhesion;
Fig. 3 is the negative plate-barrier film complex schematic diagram after adhesion;
Fig. 4 be takeup type Z-type laminated batteries prepare schematic diagram;
Fig. 5 be homonymy homotype electrode slice list membrane winding formula laminated batteries prepare schematic diagram;
Fig. 6 be special-shaped alternating electrode sheet list membrane winding formula laminated batteries prepare schematic diagram;
Fig. 7 is that positive and negative electrode composite-type rolling prepares schematic diagram around laminated batteries;
In figure, 1 is positive plate; 2 is barrier film; 3 is adhesive tape or glue; 4 is negative plate.
Embodiment
Below in conjunction with accompanying drawing and example, the present invention is described in further detail, is intended to be convenient to the understanding of the present invention, but the present invention is not limited to listed embodiment.
See Fig. 1 to Fig. 7, the invention provides a kind of takeup type laminated batteries, comprise positive pole-barrier film complex, negative pole-barrier film complex, adhesive tape or glue.
The preparation method of described takeup type laminated batteries, comprise the preparation process of pole piece, the preparation of described pole piece adopts following steps: after completing coating, baking, roll-in at positive and negative collector, cutting slivering, cut out regular according to positive and negative plate design size respectively, then adhesive tape or glue is stained with at the comer edge place of positive and negative plate, bonding compound is carried out with barrier film, form different pole pieces-barrier film complex, and then with described different pole pieces-barrier film compound system for takeup type laminated batteries.
The cutting out size and should adapt with the size of LITHIUM BATTERY group of described pole piece, then carry out binder adhesive with barrier film, avoids pole piece and barrier film to misplace, produces fold, thus avoids the formation of dead band or analyse lithium phenomenon and occur.Fig. 1 is glue hopper controller schematic diagram; Fig. 2 is the positive plate-barrier film complex schematic diagram after adhesion; Fig. 3 is the negative plate-barrier film complex schematic diagram after adhesion.
Wherein, the positive electrode of described battery is one or more in LiFePO4, LiMn2O4, cobalt acid lithium, nickle cobalt lithium manganate or nickel cobalt lithium aluminate material;
Described adhesive tape/glue main component is rubber or tincture fat high molecular polymer;
The negative material of described battery is one or more in carbon class, silicon class, alloy type, lithium titanate material;
Described barrier film is the one in polyethylene film, polypropylene screen, ceramic diaphragm;
Described barrier film 2-6mm wider than described positive and negative plate;
Electrolyte in the electrolyte of described battery is organic solvent electrolyte or polymer dielectric;
The shell of described battery is aluminum hull, box hat, plastic housing or aluminum plastic film material are made.
Embodiment 1
Takeup type laminated batteries shown in Figure 4, just, negative collector completes coating, baking, roll-in, after cutting slivering, respectively according to just, negative plate design size is cut out regular, the mode of same barrier film homonymy is distributed according to similar pole piece, namely barrier film side is distributed as positive plate, opposite side is distributed as negative plate, adopt the spacing distance marshalling of design, recycling adhesive tape or glue are by itself and barrier film binder adhesive, just formed, negative plate-barrier film composite integrated, just be interspersed in through guide plate, center between negative pole, carry out the preparation of pole piece of laminated battery, complete the winding of pole group unit, again with a barrier film parcel, form takeup type pole piece of laminated battery.
Described barrier film 2-6mm wider than described positive and negative plate, described similar pole piece is according to the range distribution of design in barrier film homonymy, and positive and negative plate should be centered on described barrier film, namely keeps same distance with the side of described barrier film.
Described positive and negative plate is distributed in single barrier film both sides, when utilizing adhesive tape or glue by it and barrier film bonds, reserved suitable distance is needed so that when forming pole piece of laminated battery, avoid upper and lower layer positive and negative plate to misplace, thus affect the welding of later stage positive and negative electrode lug between pole piece.
Described positive and negative plate carries out binder adhesive with corresponding barrier film on a production line, and then carries out Z-type lamination, then by assembling, fluid injection, change into, form takeup type laminated batteries after partial volume.
Embodiment 2
Shown in Figure 5, homonymy special-shaped battery pole piece list membrane winding formula laminated batteries prepare schematic diagram.Just, negative collector completes coating, baking, roll-in, after cutting slivering, respectively according to just, negative plate design size is cut out regular, the mode of same barrier film homonymy is distributed according to similar pole piece, namely barrier film side is distributed as positive plate, opposite side is distributed as negative plate, adopt the spacing distance marshalling of design, recycling adhesive tape or glue are by itself and barrier film binder adhesive, just formed, negative plate-barrier film composite integrated, through core according to suitable, the mode replaced counterclockwise, carry out the preparation of pole piece of laminated battery, complete the winding of pole group unit, again with a barrier film parcel, form takeup type pole piece of laminated battery.
Described barrier film 2-6mm wider than described positive and negative plate, described similar pole piece is according to the range distribution of design in barrier film homonymy, and positive and negative plate should be centered on described barrier film, namely keeps same distance with the side of described barrier film.
Described positive and negative plate is distributed in single barrier film both sides, when utilizing adhesive tape or glue by it and barrier film bonds, reserved suitable distance is needed so that when forming pole piece of laminated battery, avoid upper and lower layer positive and negative plate to misplace, thus affect the welding of later stage positive and negative electrode lug between pole piece.
Described positive and negative plate preferably carries out binder adhesive at different production lines with corresponding barrier film, and then carries out takeup type lamination, then by assembling, fluid injection, change into, form takeup type laminated batteries after partial volume.
Embodiment 3
Shown in Figure 6, special-shaped alternating electrode sheet list membrane winding formula laminated batteries prepare schematic diagram.Just, negative collector completes coating, baking, roll-in, after cutting slivering, respectively according to just, negative plate design size is cut out regular, the mode on same barrier film is alternately distributed according to special-shaped pole piece, adopt the spacing distance marshalling of design, recycling adhesive tape or glue are by itself and barrier film binder adhesive, just formed, negative plate-barrier film composite integrated, through the mode of core according to clockwise or counterclockwise same direction winding, carry out the preparation of pole piece of laminated battery, complete the winding of pole group unit, form takeup type pole piece of laminated battery, again by assembling, fluid injection, change into, takeup type laminated batteries is formed after partial volume.
Described barrier film 2-6mm wider than described positive and negative plate, described special-shaped pole piece is alternately arranged on barrier film according to the distance of design, and positive and negative plate should be centered on described barrier film, namely keeps same distance with the side of described barrier film.
Described positive and negative plate is alternately arranged on barrier film, when utilizing adhesive tape or glue by it and barrier film bonds, reserved suitable distance is needed so that when forming pole piece of laminated battery, avoid upper and lower layer positive and negative plate to misplace, thus affect the welding of later stage positive and negative electrode lug between pole piece.
Described positive and negative plate and barrier film carry out binder adhesive, and first negative plate front end and barrier film leave distance can wrap up negative plate edge completely, and when preventing from carrying out next step winding, positive and negative electrode EDGE CONTACT, after avoiding subsequent technique to prepare battery, is short-circuited; Last pole piece end and barrier film leave distance can be overlapping with the barrier film reeled, so that insulating tape bonding.
Embodiment 4
Shown in Figure 7, positive and negative electrode composite-type rolling prepares schematic diagram around laminated batteries.Just, negative collector completes coating, baking, roll-in, after cutting slivering, respectively according to just, negative plate design size is cut out regular, the mode on different barrier film is arranged according to special-shaped pole piece, adopt the spacing distance marshalling of design, recycling adhesive tape or glue are by itself and barrier film binder adhesive, just formed, negative plate-barrier film composite integrated, through the mode of core according to suitable or counterclockwise same direction winding, carry out the preparation of pole piece of laminated battery, complete the winding of pole group unit, form takeup type pole piece of laminated battery, again by assembling, fluid injection, change into, takeup type laminated batteries is formed after partial volume.
Described barrier film 2-6mm wider than described positive and negative plate, described special-shaped pole piece is alternately arranged on barrier film according to the distance of design, and positive and negative plate should be centered on described barrier film, namely keeps same distance with the side of described barrier film.
Described positive and negative plate is alternately arranged on barrier film, when utilizing adhesive tape or glue by it and barrier film bonds, reserved suitable distance is needed so that when forming pole piece of laminated battery, avoid upper and lower layer positive and negative plate to misplace, thus affect the welding of later stage positive and negative electrode lug between pole piece.
Described positive and negative plate and barrier film carry out binder adhesive, and first negative plate front end and barrier film leave distance can wrap up negative plate edge completely, and when preventing from carrying out next step winding, positive and negative electrode EDGE CONTACT, after avoiding subsequent technique to prepare battery, is short-circuited; Last pole piece end and barrier film leave distance can be overlapping with the barrier film reeled, so that insulating tape bonding.
In sum, the takeup type laminated batteries that the embodiment of the present invention provides, be conducive to reducing that lamination is irregular misplaces, easily pierce through barrier film, easy short circuit and the safety that causes and battery performance difference and the problem such as to scrap, improve the qualification rate of laminated batteries, improving production efficiency and product quality, significantly reduce battery production cost.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the embodiment of the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, in the scope of, accompanying drawing open in the application and claim, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.Therefore, the embodiment of the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with design feature disclosed herein.
Claims (10)
1. a preparation method for takeup type laminated batteries, is characterized in that, comprises pole piece preparation process, and described pole piece preparation adopts following steps:
After completing coating, baking, roll-in at positive and negative collector, cutting slivering, cut out regular according to positive and negative plate design size respectively, then adhesive tape or glue is stained with at the comer edge place of positive and negative plate, bonding compound is carried out respectively with barrier film, form different pole pieces-barrier film complex, and then with described different pole pieces-barrier film compound system for takeup type laminated batteries.
2. the preparation method of takeup type laminated batteries as claimed in claim 1, it is characterized in that, the concrete preparation process of described takeup type laminated batteries is as follows:
(1) after the corner of the positive plate cut out being stained with adhesive tape or glue, to bond compound by design pitch and barrier film, form positive plate-barrier film complex;
(2) after the corner of the negative plate cut out being stained with adhesive tape or glue, to bond compound by design pitch and barrier film, form negative plate-barrier film complex;
(3) positive plate-barrier film complex and negative plate-barrier film complex are prepared into takeup type laminated batteries battery core according to the mode of negative pole clad anode, then by assembling, fluid injection, change into, form takeup type laminated batteries after partial volume.
3. the preparation method of takeup type laminated batteries as claimed in claim 2, is characterized in that, described positive and negative plate carries out adhesive tape or glue on a production line and to bond compound with barrier film.
4. the preparation method of takeup type laminated batteries as claimed in claim 2, it is characterized in that, described adhesive tape/glue main component is rubber or tincture fat high molecular polymer.
5. the preparation method of takeup type laminated batteries as claimed in claim 2, is characterized in that, the positive electrode of described battery is one or more in LiFePO4, LiMn2O4, cobalt acid lithium, nickle cobalt lithium manganate or nickel cobalt lithium aluminate material.
6. the preparation method of takeup type laminated batteries as claimed in claim 2, is characterized in that, the negative material of described battery is one or more in carbon class, silicon class, alloy type, lithium titanate material.
7. the preparation method of takeup type laminated batteries as claimed in claim 2, it is characterized in that, described barrier film is the one in polyethylene film, polypropylene screen, ceramic diaphragm.
8. the preparation method of takeup type laminated batteries as claimed in claim 2, is characterized in that, described barrier film 2-6mm wider than positive and negative plate.
9. the preparation method of takeup type laminated batteries as claimed in claim 2, it is characterized in that, the electrolyte in the electrolyte of described battery is organic solvent electrolyte or polymer dielectric.
10. the preparation method of takeup type laminated batteries as claimed in claim 2, is characterized in that, the shell of described battery is aluminum hull, box hat, plastic housing or aluminum plastic film material make.
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| CN201510848158.9A CN105355962B (en) | 2015-11-25 | 2015-11-25 | Preparation method of winding type laminated battery |
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| CN201510848158.9A CN105355962B (en) | 2015-11-25 | 2015-11-25 | Preparation method of winding type laminated battery |
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| CN105811016A (en) * | 2016-05-29 | 2016-07-27 | 合肥国轩高科动力能源有限公司 | Manufacturing method of laminated lithium ion battery |
| CN105811016B (en) * | 2016-05-29 | 2018-09-18 | 合肥国轩高科动力能源有限公司 | Manufacturing method of laminated lithium ion battery |
| CN107768730A (en) * | 2016-08-18 | 2018-03-06 | 无锡丰晟科技有限公司 | Lithium battery pole slice laminating equipment |
| CN107204415A (en) * | 2017-07-11 | 2017-09-26 | 力信（江苏）能源科技有限责任公司 | A kind of high temperature safe type battery core |
| CN107204415B (en) * | 2017-07-11 | 2023-08-08 | 利信(江苏)能源科技有限责任公司 | High-temperature safe type battery cell |
| CN108736033A (en) * | 2018-06-21 | 2018-11-02 | 深圳市赢合科技股份有限公司 | A kind of flexible hinge chain type lamination process |
| WO2019242102A1 (en) * | 2018-06-21 | 2019-12-26 | 深圳市赢合科技股份有限公司 | Flexible hinge laminating process |
| CN109244554A (en) * | 2018-09-21 | 2019-01-18 | 江苏卡耐新能源有限公司 | A kind of lithium ion battery zigzag laminating equipment and its technique |
| WO2021068705A1 (en) * | 2019-10-10 | 2021-04-15 | 宁德时代新能源科技股份有限公司 | Method for fabricating electrode assembly of secondary battery and device |
| US11961955B2 (en) | 2019-10-10 | 2024-04-16 | Contemporary Amperex Technology Co., Limited | Method and apparatus for manufacturing electrode assembly of secondary battery |
| CN111162323A (en) * | 2019-12-30 | 2020-05-15 | 东莞维科电池有限公司 | Winding type lithium ion battery cell and preparation method thereof |
| WO2021195909A1 (en) * | 2020-03-31 | 2021-10-07 | 宁德新能源科技有限公司 | Battery core and electrochemical device applying same |
| CN114041224A (en) * | 2020-03-31 | 2022-02-11 | 宁德新能源科技有限公司 | Battery cell and electrochemical device using same |
| CN114041224B (en) * | 2020-03-31 | 2024-09-03 | 宁德新能源科技有限公司 | Battery cell and electrochemical device using same |
| CN112109955A (en) * | 2020-09-15 | 2020-12-22 | 张忐忑 | Lithium cell zigzag lamination device |
| CN114024013A (en) * | 2021-09-27 | 2022-02-08 | 无锡奥特维智能装备有限公司 | Laminated sheet body, battery cell stacking device and method |
| CN113851631A (en) * | 2021-11-01 | 2021-12-28 | 宁德新能源科技有限公司 | Electrochemical device and electronic device |
| CN114614066A (en) * | 2022-03-18 | 2022-06-10 | 上海兰钧新能源科技有限公司 | Battery winding method and device |
| CN115133143A (en) * | 2022-07-14 | 2022-09-30 | 安徽国洁新能源科技有限公司 | Manufacturing method of lithium ion battery cell based on quaternary system |
| US12142732B2 (en) | 2022-09-30 | 2024-11-12 | Ningde Amperex Technology Limited | Battery cell and electrochemical device including same |
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| CN105355962B (en) | 2017-12-05 |
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Application publication date: 20160224 Assignee: Shanghai Xuanyi New Energy Development Co.,Ltd. Assignor: Gotion High-tech Co., Ltd. Contract record no.: X2023980049293 Denomination of invention: A preparation method for coiled laminated batteries Granted publication date: 20171205 License type: Common License Record date: 20231207 |
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Denomination of invention: A preparation method for coiled laminated batteries Effective date of registration: 20231220 Granted publication date: 20171205 Pledgee: Industrial Bank Limited by Share Ltd. Hefei branch Pledgor: Gotion High-tech Co., Ltd. Registration number: Y2023980073051 |