CN105355962B - A kind of preparation method of takeup type laminated batteries - Google Patents
A kind of preparation method of takeup type laminated batteries Download PDFInfo
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- CN105355962B CN105355962B CN201510848158.9A CN201510848158A CN105355962B CN 105355962 B CN105355962 B CN 105355962B CN 201510848158 A CN201510848158 A CN 201510848158A CN 105355962 B CN105355962 B CN 105355962B
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- barrier film
- positive
- pole piece
- negative plate
- takeup type
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- 238000002360 preparation method Methods 0.000 title claims abstract description 37
- 230000004888 barrier function Effects 0.000 claims abstract description 93
- 238000013461 design Methods 0.000 claims abstract description 30
- 239000003292 glue Substances 0.000 claims abstract description 26
- 239000002390 adhesive tape Substances 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 238000000576 coating method Methods 0.000 claims abstract description 10
- 150000001875 compounds Chemical class 0.000 claims abstract description 9
- 239000000853 adhesive Substances 0.000 claims description 16
- 230000001070 adhesive effect Effects 0.000 claims description 16
- 239000011230 binding agent Substances 0.000 claims description 16
- 229910052744 lithium Inorganic materials 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000003792 electrolyte Substances 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 8
- 238000003475 lamination Methods 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 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
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 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
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229940098465 tincture Drugs 0.000 claims description 3
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000007086 side reaction Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 13
- 238000003466 welding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 206010067484 Adverse reaction Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012797 qualification Methods 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 present invention provides a kind of preparation method of takeup type laminated batteries, including pole piece preparation process, and the pole piece prepares and uses following steps：Positive and negative collector complete coating, baking, roll-in, cut into bar after, cut out respectively according to positive and negative plate design size regular, then adhesive tape or glue are stained with the comer edge of positive and negative plate, with barrier film bond compound, different pole pieces-barrier film complex is formed, then prepares takeup type laminated batteries with the different pole pieces-barrier film complex again.Takeup type laminated batteries prepared by the present invention, existing laminated batteries can be improved and misplaced in preparation process septation with pole piece, barrier film fold, barrier film, easily short circuit are easily pierced through, is also easy to produce side reaction, the tension force of battery is difficult to control, and battery performance reduction or security problems is occurred；The stability and security of battery can be effectively lifted, production cost is reduced, increases substantially production efficiency.
Description
Technical field
The present invention relates to field of batteries, and in particular to a kind of preparation method of takeup type laminated batteries.
Background technology
The consumption electronic product of modern digital is developing progressively ripe, and component is just being intended to light, thin, short and small target.
It is to be growing on and on to its demand and energy-storage battery is the power source of light portable electronic product.In addition, electronic traffic work
Tool, decentralized power supply feed system, peak load regulation network, redundant electrical power, green building, portable medical based on solar energy and wind energy
The rapid development in the fields such as electronic equipment, Industry Control, Aero-Space, robot, national security, there is an urgent need to more high energy
Metric density, more power density, more long circulation life and greater security can charge and discharge energy storage device.Lithium ion battery is due to it
Light weight, small volume, higher than energy, self discharge is small, good cycle, pollute small and memory-less effect the features such as, become 21
Century most application prospect one of green secondary cell.
Battery core in the market is typically all winding method, but this lithium battery is due to, high current big with internal resistance
Poor performance, temperature are high, the shortcomings of security difference, can not meet the performance requirement of some special occasions, in terms of electrokinetic cell.For
Overcome these shortcomings, especially meet the safe handling in terms of electric automobile.Lithium ion battery on traditional structure is in chi
After very little amplification, its some internal adverse reaction caused by specific structure is also amplified therewith, and now there is an urgent need to a kind of more excellent
The core strueture of change meets the design requirement of high capacity cell, and on this basis, laminated batteries arise at the historic moment.
But the low production efficiency of laminated batteries, pole piece will be punched, section is more, easily pierces through barrier film, easily short circuit, is also easy to produce
Side reaction, the tension force of battery are difficult to control, and battery performance reduction or security problems is occurred.
The content of the invention
It is an object of the invention to：A kind of preparation method of takeup type laminated batteries is provided, existing laminated batteries can be improved
Misplaced in preparation process septation with pole piece, barrier film fold, easily pierce through barrier film, easily short circuit, be also easy to produce side reaction, battery
Tension force is difficult to control, and battery performance reduction or security problems is occurred, can effectively lift the stability and security of battery, especially
It is to reduce production cost, increases substantially production efficiency.
For achieving the above object, the present invention provides following technical scheme：
A kind of preparation method of takeup type laminated batteries, including pole piece preparation process, prepared by the pole piece uses following step
Suddenly：
Positive and negative collector complete coating, baking, roll-in, cut into bar after, respectively according to positive and negative plate design size
Cut out regular, adhesive tape or glue are then stained with the comer edge of positive and negative plate, carries out bonding compound, shape respectively with barrier film
Into different pole pieces-barrier film complex, then takeup type laminated battery is prepared with the different pole pieces-barrier film complex again
Pond.
Preferably, the specific preparation process of the takeup type laminated batteries is as follows：
It is (1) compound by design spacing and barrier film bonding after the corner for the positive plate cut out being stained with into adhesive tape or glue,
Form positive plate-barrier film complex；
It is (2) compound by design spacing and barrier film bonding after the corner for the negative plate cut out being stained with into adhesive tape or glue,
Form negative plate-barrier film complex；
(3) positive plate-barrier film complex and negative plate-barrier film complex are prepared in the way of negative pole clad anode
Into takeup type laminated batteries battery core, then by forming takeup type laminated batteries after assembling, fluid injection, chemical conversion, partial volume.
Preferably, the positive and negative plate carries out adhesive tape with barrier film on a production line or glue bonding is compound.
Preferably, the adhesive tape/glue main component is rubber or tincture fat high molecular polymer.
Preferably, the positive electrode of the battery is LiFePO4, LiMn2O4, cobalt acid lithium, nickle cobalt lithium manganate or nickel cobalt aluminium
One or more in sour lithium material.
Preferably, the negative material of the battery is the one or more in carbons, silicon class, alloy type, lithium titanate material.
Preferably, the barrier film is one kind in polyethylene film, polypropylene screen, ceramic diaphragm.
Preferably, the barrier film is wider 2-6mm than positive and negative plate.
Preferably, the electrolyte in the electrolyte of the battery is organic solvent electrolyte or polymer dielectric.
Preferably, the shell of the battery is made up of aluminum hull, box hat, plastic housing or plastic-aluminum membrane material.
The beneficial effects of the present invention are：Compared with prior art, the takeup type laminated batteries that the present invention is prepared,
Reduce lamination it is irregular caused by safety and battery performance difference and the problems such as scrap, improve the qualification rate of laminated batteries, have
Beneficial to the production efficiency and product quality for improving laminated batteries, battery production cost is greatly reduced, improves the market of laminated batteries
Using with important operation instruction meaning and increase economic benefit effect.
Brief description of the drawings
Fig. 1 is glue hopper controller schematic diagram；
Fig. 2 is positive plate-barrier film complex schematic diagram after adhesion；
Fig. 3 is negative plate-barrier film complex schematic diagram after adhesion；
Fig. 4 prepares schematic diagram for takeup type Z-type laminated batteries；
Fig. 5 prepares schematic diagram for the wound laminated batteries of homonymy homotype electrode slice list membrane coil；
Fig. 6 prepares schematic diagram for the wound laminated batteries of special-shaped alternating electrode piece list membrane coil；
Fig. 7 is that positive and negative electrode composite-type rolling prepares schematic diagram around laminated batteries；
In figure, 1 is positive plate；2 be barrier film；3 be adhesive tape or glue；4 be negative plate.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing and example, it is intended to it is easy to the understanding of the present invention, but
The invention is not limited in listed embodiment.
Referring to Fig. 1 to Fig. 7, the invention provides a kind of takeup type laminated batteries, including it is positive pole-barrier film complex, negative
Pole-barrier film complex, adhesive tape or glue.
The preparation method of described takeup type laminated batteries, includes the preparation process of pole piece, the pole piece prepare use with
Lower step：Positive and negative collector complete coating, baking, roll-in, cut into bar after, cut respectively according to positive and negative plate design size
Cut out regular, adhesive tape or glue are then stained with the comer edge of positive and negative plate, with barrier film bond compound, formed different
Pole piece-barrier film complex, then prepare takeup type laminated batteries with the different pole pieces-barrier film complex again.
The pole piece is cut out size and should be adapted with the size of LITHIUM BATTERY group, then carries out binder adhesive with barrier film, avoids
Pole piece misplaces with barrier film, produces fold, occurs so as to avoid the formation of dead band or analysis lithium phenomenon.Fig. 1 controls for glue funnel
Device schematic diagram；Fig. 2 is positive plate-barrier film complex schematic diagram after adhesion；Fig. 3 is that negative plate-barrier film after adhesion is compound
Body schematic diagram.
Wherein, the positive electrode of the battery is LiFePO4, LiMn2O4, cobalt acid lithium, nickle cobalt lithium manganate or nickel cobalt aluminic acid
One or more in lithium material；
The adhesive tape/glue main component is rubber or tincture fat high molecular polymer；
The negative material of the battery is the one or more in carbons, silicon class, alloy type, lithium titanate material；
The barrier film is one kind in polyethylene film, polypropylene screen, ceramic diaphragm；
The barrier film is wider 2-6mm than the positive and negative plate；
Electrolyte in the electrolyte of the battery is organic solvent electrolyte or polymer dielectric；
The shell of the battery is made up of aluminum hull, box hat, plastic housing or plastic-aluminum membrane material.
Embodiment 1
Takeup type laminated batteries shown in Figure 4, coating, baking are completed in positive and negative collector, roll-in, cuts into bar
Afterwards, cut out respectively according to positive and negative plate design size it is regular, in the way of similar pole piece is distributed in same barrier film homonymy, i.e.,
Barrier film side is distributed as positive plate, and opposite side is distributed as negative plate, using the spacing distance marshalling of design, recycles adhesive tape
Or itself and barrier film binder adhesive are formed positive and negative plate-barrier film composite integrated, positive and negative electrode are interspersed in through guide plate by glue
Between center, carry out the preparation of pole piece of laminated battery, complete the winding of pole group unit, then wrapped up with a barrier film, form winding
Formula pole piece of laminated battery.
The barrier film is wider 2-6mm than the positive and negative plate, and the similar pole piece is according to the range distribution of design in barrier film
Homonymy, and positive and negative plate should be centered on the barrier film, i.e., the distance maintained like with the side of the barrier film.
The positive and negative plate is distributed in single barrier film both sides, when being bonded it with barrier film using adhesive tape or glue, between pole piece
When needing to reserve suitable distance in order to form pole piece of laminated battery, upper and lower layer positive and negative plate is avoided to misplace, so as to influence
The welding of later stage positive and negative electrode lug.
The positive and negative plate carries out binder adhesive with corresponding barrier film on a production line, then carries out Z-type lamination behaviour again
Make, then by forming takeup type laminated batteries after assembling, fluid injection, chemical conversion, partial volume.
Embodiment 2
Shown in Figure 5, the wound laminated batteries of homonymy special-shaped battery pole piece list membrane coil prepare schematic diagram.In positive and negative collection
Fluid complete coating, baking, roll-in, cut into bar after, cut out respectively according to positive and negative plate design size it is regular, according to similar
Pole piece is distributed in the mode of same barrier film homonymy, i.e. barrier film side is distributed as positive plate, and opposite side is distributed as negative plate, using setting
The spacing distance marshalling of meter, recycle adhesive tape or glue that itself and barrier film binder adhesive, formation positive and negative plate-barrier film is multiple
Integration is closed, through core according to alternate mode suitable, counterclockwise, the preparation of pole piece of laminated battery is carried out, completes pole group unit
Winding, then wrapped up with a barrier film, form takeup type pole piece of laminated battery.
The barrier film is wider 2-6mm than the positive and negative plate, and the similar pole piece is according to the range distribution of design in barrier film
Homonymy, and positive and negative plate should be centered on the barrier film, i.e., the distance maintained like with the side of the barrier film.
The positive and negative plate is distributed in single barrier film both sides, when being bonded it with barrier film using adhesive tape or glue, between pole piece
When needing to reserve suitable distance in order to form pole piece of laminated battery, upper and lower layer positive and negative plate is avoided to misplace, so as to influence
The welding of later stage positive and negative electrode lug.
The positive and negative plate preferably carries out binder adhesive in different production lines with corresponding barrier film, is then wound again
Formula lamination, then by forming takeup type laminated batteries after assembling, fluid injection, chemical conversion, partial volume.
Embodiment 3
Shown in Figure 6, the wound laminated batteries of special-shaped alternating electrode piece list membrane coil prepare schematic diagram.In positive and negative collection
Fluid complete coating, baking, roll-in, cut into bar after, cut out respectively according to positive and negative plate design size it is regular, according to abnormal shape
Pole piece is alternately distributed in the mode on same barrier film, using the spacing distance marshalling of design, recycles adhesive tape or glue will
Itself and barrier film binder adhesive, positive and negative plate-barrier film composite integrated is formed, through core according to same clockwise or counter-clockwise
The mode of direction winding, carries out the preparation of pole piece of laminated battery, completes the winding of pole group unit, forms takeup type laminated batteries pole
Piece, then by forming takeup type laminated batteries after assembling, fluid injection, chemical conversion, partial volume.
The barrier film is wider 2-6mm than the positive and negative plate, the special-shaped pole piece according to the distance of design be alternately arranged in
On barrier film, and positive and negative plate should be centered on the barrier film, i.e., the distance maintained like with the side of the barrier film.
The positive and negative plate is alternately arranged on barrier film, when being bonded it with barrier film using adhesive tape or glue, between pole piece
When needing to reserve suitable distance in order to form pole piece of laminated battery, upper and lower layer positive and negative plate is avoided to misplace, so as to influence
The welding of later stage positive and negative electrode lug.
The positive and negative plate carries out binder adhesive with barrier film, and distance is left in first negative plate front end with barrier film can be complete
Full parcel negative plate edge, when preventing from wind in next step, positive and negative electrode EDGE CONTACT, after avoiding subsequent technique from preparing battery,
Generation short circuit；Distance is left in last pole piece end with barrier film can be overlapping with the barrier film wound, so that insulating tape glues
Close.
Embodiment 4
Shown in Figure 7, positive and negative electrode composite-type rolling prepares schematic diagram around laminated batteries.Complete to apply in positive and negative collector
Cloth, baking, roll-in, cut into bar after, cut out according to positive and negative plate design size regular, be arranged according to special-shaped pole piece respectively
Mode on different barrier films, using the spacing distance marshalling of design, recycle adhesive tape or glue that it is gluing viscous with barrier film
Close, form positive and negative plate-barrier film composite integrated, through core in the way of same direction suitable or counterclockwise is wound, enter
The preparation of row pole piece of laminated battery, the winding of pole group unit is completed, form takeup type pole piece of laminated battery, then by assembling, noting
Takeup type laminated batteries are formed after liquid, chemical conversion, partial volume.
The barrier film is wider 2-6mm than the positive and negative plate, the special-shaped pole piece according to the distance of design be alternately arranged in
On barrier film, and positive and negative plate should be centered on the barrier film, i.e., the distance maintained like with the side of the barrier film.
The positive and negative plate is alternately arranged on barrier film, when being bonded it with barrier film using adhesive tape or glue, between pole piece
When needing to reserve suitable distance in order to form pole piece of laminated battery, upper and lower layer positive and negative plate is avoided to misplace, so as to influence
The welding of later stage positive and negative electrode lug.
The positive and negative plate carries out binder adhesive with barrier film, and distance is left in first negative plate front end with barrier film can be complete
Full parcel negative plate edge, when preventing from wind in next step, positive and negative electrode EDGE CONTACT, after avoiding subsequent technique from preparing battery,
Generation short circuit；Distance is left in last pole piece end with barrier film can be overlapping with the barrier film wound, so that insulating tape glues
Close.
In summary, the takeup type laminated batteries that the embodiment of the present invention is provided, the irregular generation of lamination is advantageously reduced
Dislocation, easily pierces through barrier film, safety and battery performance difference easily caused by short circuit and the problems such as scrap, improve the conjunction of laminated batteries
Lattice rate, improving production efficiency and product quality, battery production cost is greatly reduced.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using of the invention real
Apply example.A variety of modifications to these embodiments will be apparent for those skilled in the art, in the application
In the range of open, drawings and claims, a variety of modifications can be carried out to the building block and/or layout of theme combination layout
And improvement.In addition to the variations and modifications carried out to building block and/or layout, to those skilled in the art, other
Purposes also will be apparent.Therefore, the embodiment of the present invention is not intended to be limited to the embodiments shown herein, but will
Meet the most wide scope consistent with designs disclosed herein feature.
Claims (12)
1. a kind of preparation method of takeup type laminated batteries, it is characterised in that including pole piece preparation process, the pole piece is prepared and adopted
Use following steps：
(1) positive and negative collector complete coating, baking, roll-in, cut into bar after, cut respectively according to positive and negative plate design size
Cut out it is regular, in the way of similar pole piece is distributed in barrier film homonymy, using the spacing distance marshalling of design, in positive and negative electrode
Adhesive tape or glue are stained with the comer edge of piece, respectively with barrier film binder adhesive, forms positive and negative plate-barrier film composite integrated
Change, be interspersed in center between positive and negative electrode through guide plate, carry out the preparation of pole piece of laminated battery, complete the winding of pole group unit, shape
Into takeup type pole piece of laminated battery,
(2) similar pole piece is according to the range distribution of design in barrier film homonymy, and positive and negative plate should be centered on the barrier film, i.e.,
The distance equal with the side holding of the barrier film,
(3) positive and negative plate and corresponding barrier film carry out binder adhesive, then carry out Z-type lamination, by assembling, fluid injection, chemical conversion,
Takeup type laminated batteries are formed after partial volume.
2. a kind of preparation method of takeup type laminated batteries, it is characterised in that including pole piece preparation process, the pole piece is prepared and adopted
Use following steps：
(1) positive and negative collector complete coating, baking, roll-in, cut into bar after, cut respectively according to positive and negative plate design size
Cut out it is regular, in the way of similar pole piece is distributed in barrier film homonymy, using the spacing distance marshalling of design, in positive and negative electrode
Adhesive tape or glue are stained with the comer edge of piece, respectively with barrier film binder adhesive, forms positive and negative plate-barrier film composite integrated
Change, through core according to alternate mode suitable, counterclockwise, carry out the preparation of pole piece of laminated battery, complete the winding of pole group unit, shape
Into takeup type pole piece of laminated battery,
(2) similar pole piece is according to the range distribution of design in barrier film homonymy, and positive and negative plate should be centered on the barrier film, i.e.,
The distance maintained like with the side of the barrier film,
(3) positive and negative plate is distributed in barrier film both sides,
Positive and negative plate carries out binder adhesive with corresponding barrier film, is wound formula lamination, passes through assembling, fluid injection, chemical conversion, partial volume
Takeup type laminated batteries are formed afterwards.
3. a kind of preparation method of takeup type laminated batteries, it is characterised in that including pole piece preparation process, the pole piece is prepared and adopted
Use following steps：
(1) positive and negative collector complete coating, baking, roll-in, cut into bar after, cut respectively according to positive and negative plate design size
Cut out it is regular, in the way of special-shaped pole piece is alternately distributed in same barrier film, using the spacing distance marshalling of design, just,
Adhesive tape or glue are stained with the comer edge of negative plate, respectively with barrier film binder adhesive, forms positive and negative plate-barrier film compound one
Body, through core in the way of same direction clockwise or counter-clockwise is wound, the preparation of pole piece of laminated battery is carried out, completed
The winding of pole group unit, takeup type pole piece of laminated battery is formed,
(2) 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 the barrier film,
The distance maintained like with the side of the barrier film,
(3) positive and negative plate carries out binder adhesive with barrier film, is wound formula lamination, passes through shape after assembling, fluid injection, chemical conversion, partial volume
Into takeup type laminated batteries.
4. a kind of preparation method of takeup type laminated batteries, it is characterised in that including pole piece preparation process, the pole piece is prepared and adopted
Use following steps：
(1) positive and negative collector complete coating, baking, roll-in, cut into bar after, cut respectively according to positive and negative plate design size
Cut out it is regular, in the way of special-shaped pole piece is arranged on different barrier films, using the spacing distance marshalling of design, positive and negative
Adhesive tape or glue are stained with the comer edge of pole piece, respectively with barrier film binder adhesive, forms positive and negative plate-barrier film composite integrated
Change, through core in the way of same direction suitable or counterclockwise is wound, carry out the preparation of pole piece of laminated battery, complete pole group list
The winding of member, takeup type pole piece of laminated battery is formed,
(2) 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 the barrier film,
The distance maintained like with the side of the barrier film,
(3) positive and negative plate carries out binder adhesive with barrier film, is wound formula lamination, passes through shape after assembling, fluid injection, chemical conversion, partial volume
Into takeup type laminated batteries.
5. the preparation method of the takeup type laminated batteries as described in claim 1,2,3 or 4, it is characterised in that the positive and negative electrode
Piece carries out adhesive tape with barrier film on a production line or glue bonding is compound.
6. the preparation method of the takeup type laminated batteries as described in claim 1,2,3 or 4, it is characterised in that the adhesive tape/glue
Water main component is rubber or tincture fat high molecular polymer.
7. the preparation method of the takeup type laminated batteries as described in claim 1,2,3 or 4, it is characterised in that the battery
Positive electrode is the one or more in LiFePO4, LiMn2O4, cobalt acid lithium, nickle cobalt lithium manganate or nickel cobalt aluminic acid lithium material.
8. the preparation method of the takeup type laminated batteries as described in claim 1,2,3 or 4, it is characterised in that the battery
Negative material is the one or more in carbons, silicon class, alloy type, lithium titanate material.
9. the preparation method of the takeup type laminated batteries as described in claim 1,2,3 or 4, it is characterised in that the barrier film is
One kind in polyethylene film, polypropylene screen, ceramic diaphragm.
10. the preparation method of the takeup type laminated batteries as described in claim 1,2,3 or 4, it is characterised in that the barrier film ratio
Wide 2-the 6mm of positive and negative plate.
11. the preparation method of the takeup type laminated batteries as described in claim 1,2,3 or 4, it is characterised in that the battery
Electrolyte in electrolyte is organic solvent electrolyte or polymer dielectric.
12. the preparation method of the takeup type laminated batteries as described in claim 1,2,3 or 4, it is characterised in that the battery
Shell is aluminum hull, box hat, plastic housing or plastic-aluminum membrane material.
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Cited By (1)
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|---|---|---|---|---|
| CN110429239A (en) * | 2019-06-27 | 2019-11-08 | 恒大新能源科技集团有限公司 | A kind of assemble method and pole piece stepped construction of soft package lithium ion cell polar piece |
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| CN105811020A (en) * | 2016-05-27 | 2016-07-27 | 合肥国轩高科动力能源有限公司 | Pole piece transfer method for coiled laminated battery |
| CN105811016B (en) * | 2016-05-29 | 2018-09-18 | 合肥国轩高科动力能源有限公司 | A kind of production 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 |
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| 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 |
| 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 |
| 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 |
| CN113851631B (en) * | 2021-11-01 | 2023-02-28 | 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 |
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