CN108598551A - A kind of lithium battery and its processing technology - Google Patents
A kind of lithium battery and its processing technology Download PDFInfo
- Publication number
- CN108598551A CN108598551A CN201810682532.6A CN201810682532A CN108598551A CN 108598551 A CN108598551 A CN 108598551A CN 201810682532 A CN201810682532 A CN 201810682532A CN 108598551 A CN108598551 A CN 108598551A
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- CN
- China
- Prior art keywords
- diaphragm
- lithium battery
- package shell
- mental package
- positive plate
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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
- H01M10/052—Li-accumulators
-
- 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
Abstract
The invention discloses a kind of lithium batteries, including mental package shell, it is separately installed with anode ear and negative electrode lug above the mental package shell, the anode ear and negative electrode lug all extend to inside mental package shell, it is enclosed with positive plate inside the mental package shell, it is enclosed with the first diaphragm on the outside of the positive plate, negative plate is enclosed on the outside of first diaphragm, the second diaphragm is enclosed on the outside of the negative plate.It is the material selection to anode and cathode first, slurry operation is carried out after being mixed by power mixer, then cut out processing, drying and processing, flatness processing and the winding for carrying out positive plate and negative plate are handled, selection for diaphragm and whole installation and packaging are carried out after cutting out processing, the detection for also integrally carrying out internal resistance during ensureing simultaneously to lithium battery, is after packaging detected the air-tightness of battery entirety.
Description
Technical field
The present invention relates to technical field of lithium batteries, specially a kind of lithium battery and its processing technology.
Background technology
Battery used in mobile phone and laptop is lithium metal battery, and the use of lithium metal battery is also more to come about
It is universal.Such as application No. is a kind of lithium battery processing technology of CN201510679451.7, the technique includes：Positive batch mixing and
Cathode batch mixing, the anode batch mixing include：NMP is poured into power mixer and is warming up to 80 DEG C, PVDF is weighed and power mixing is added
Machine, booting are mixed；Power mixer：25 ± 2 revs/min of rotating speed stirs 115-125 minutes；Cooling system is connected, it will
The positive siccative of milled is average to be added in four times, every minor tick 28-32 minutes, and third time charging needs to add NMP depending on material, the
NMP is added after four chargings；Power mixer parameter setting：Rotating speed is 20 ± 2 revs/min；4th time charging 30 ± 2 minutes it is laggard
Row stirring, time are 480 ± 10 minutes；Power mixer parameter setting：Revolution be 30 ± 2 revs/min, switch to certainly 25 ± 2 turns/
Point；Vacuum mixes：Power mixer is connected into vacuum, holding vacuum degree is -0.09Mpa, is stirred 30 ± 2 minutes；Power mixes
Machine parameter setting：Revolution is 10 ± 2 minutes, switchs to 8 ± 2 revs/min certainly.
Above-mentioned lithium battery is excessively complicated in manufacture craft, described to provide one there are the low defect of processing efficiency
Kind lithium battery and its processing technology solve the above problems.
Invention content
The purpose of the present invention is to provide a kind of lithium battery and its processing technologys, mentioned above in the background art to solve
Problem.
To achieve the above object, the present invention provides the following technical solutions：A kind of lithium battery, including mental package shell, it is described
It is separately installed with anode ear and negative electrode lug above mental package shell, the anode ear and negative electrode lug all extend in mental package shell
Portion is enclosed with positive plate inside the mental package shell, the first diaphragm, first diaphragm is enclosed on the outside of the positive plate
It is enclosed with negative plate on the outside of piece, the second diaphragm is enclosed on the outside of the negative plate.
Preferably, the first open slot and the second open slot are had above the mental package shell, the anode ear passes through
It is through at the first open slot, the negative electrode lug is through the second open slot.
Preferably, it is mounted on insulation spacer inside first open slot and the second open slot.
Preferably, it is provided with venthole above the mental package shell.
Preferably, the mental package shell is aluminum material shell.
Preferably, first diaphragm and the second diaphragm are polyolefin porous membrane.
A kind of processing technology of lithium battery, includes the following steps：
S1：The slurry of anode and cathode, the dispensing of selection anode and cathode, then dispensing is added to power mixer
Portion is mixed, is stirred, and then carries out slurry to anode and cathode, and to the inspection of anode and cathode progress thickness after slurry
And confirmation；
S2：The production of positive plate and negative plate, after slurry positive electrode and negative material be cut out processing, according to
The difference of specification size of negative plate and positive plate needed for production is cut, after cutting positive plate and negative plate carry out
Two pairs of rollers winding is handled, and then carries out drying and processing to positive plate and negative plate；
S3：The cutting of first diaphragm and the second diaphragm is handled, and installs the demand of different lithium battery production specification, to every
Diaphragm is cut out to specified size and size；
S4：Positive plate and negative plate surface are carried out flatness processing, hung except anode by the reprocessing of positive plate and negative plate
The extra powder of piece and negative plate two sides；
S5：The processing of mental package shell carries out the punching of the first open slot and the second open slot above mental package shell
Working process, and the metal fragment inside open slot is removed, anode ear and negative electrode lug and insulation spacer are installed, to mental package
Positive plate, the first diaphragm, negative plate and the second diaphragm are wrapped up in winding successively inside shell, and carry out the detection of internal resistance, so
After carry out use coiling process aluminum metal shell；
S6：Carry out air-leakage test and outer packing, air-leakage test integrally carried out to lithium battery, and to mental package shell into
Row coding is packed.
Compared with prior art, the beneficial effects of the invention are as follows：Structure of the invention is novel, can there is simple and fast life
Manufacturing process is produced, the production efficiency of lithium battery is improved.Be first to anode and cathode material selection, by power mixer into
Row carries out slurry operation after being mixed, and then carry out positive plate and negative plate cuts out processing, drying and processing, flatness processing
And winding processing, selection for diaphragm and whole installation and packaging are carried out after cutting out processing, while being gone back during ensureing
The detection of internal resistance is integrally carried out to lithium battery, the air-tightness of battery entirety is detected after packaging, links are strictly pressed
It is handled according to the selection of material, process time and technique, ensures the quality of production of product.
Description of the drawings
Fig. 1 is lithium battery structure schematic diagram of the present invention.
In figure：1 mental package shell, 2 anode ears, 3 negative electrode lugs, 4 positive plates, 5 first diaphragms, 6 negative plates, 7 second every
Diaphragm, 8 first open slots, 9 second open slots, 10 insulation spacers, 11 ventholes.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution：A kind of lithium battery, including mental package shell 1, the metal
1 top of pack case is separately installed with anode ear 2 and negative electrode lug 3, and the anode ear 2 and negative electrode lug 3 all extend to mental package shell 1
Inside, is enclosed with positive plate 4 inside the mental package shell 1, and 4 outside of the positive plate is enclosed with the first diaphragm 5, and described the
One diaphragm, 5 outside is enclosed with negative plate 6, and 6 outside of the negative plate is enclosed with the second diaphragm 7.
The top of the mental package shell 1 has the first open slot 8 and the second open slot 9, the anode ear 2 through
First open slot 8, the negative electrode lug 3 is through the second open slot 9.Pacify inside first open slot, 8 and second open slot 9
Equipped with insulation spacer 10.1 top of the mental package shell is provided with venthole 11.The mental package shell 1 is aluminum material shell.
First diaphragm, 5 and second diaphragm 7 is polyolefin porous membrane.
A kind of processing technology of lithium battery, includes the following steps：
S1：The slurry of anode and cathode, the dispensing of selection anode and cathode, then dispensing is added to power mixer
Portion is mixed, is stirred, and then carries out slurry to anode and cathode, and to the inspection of anode and cathode progress thickness after slurry
And confirmation；
S2：The production of positive plate and negative plate, after slurry positive electrode and negative material be cut out processing, according to
The difference of specification size of negative plate and positive plate needed for production is cut, after cutting positive plate and negative plate carry out
Two pairs of rollers winding is handled, and then carries out drying and processing to positive plate and negative plate；
S3：The cutting of first diaphragm and the second diaphragm is handled, and installs the demand of different lithium battery production specification, to every
Diaphragm is cut out to specified size and size；
S4：Positive plate and negative plate surface are carried out flatness processing, hung except anode by the reprocessing of positive plate and negative plate
The extra powder of piece and negative plate two sides；
S5：The processing of mental package shell carries out the punching of the first open slot and the second open slot above mental package shell
Working process, and the metal fragment inside open slot is removed, anode ear and negative electrode lug and insulation spacer are installed, to mental package
Positive plate, the first diaphragm, negative plate and the second diaphragm are wrapped up in winding successively inside shell, and carry out the detection of internal resistance, so
After carry out use coiling process aluminum metal shell；
S6：Carry out air-leakage test and outer packing, air-leakage test integrally carried out to lithium battery, and to mental package shell into
Row coding is packed.
Structure of the invention is novel, can have simple and fast manufacturing process, improve the production efficiency of lithium battery.It is first
Before this to the material selection of anode and cathode, slurry operation is carried out after being mixed by power mixer, is then carried out
Positive plate 4 and negative plate 6 cut out processing, drying and processing, flatness processing and winding processing, selection for diaphragm and cut
Whole installation and packaging are carried out after making arrangement after due consideration reason, while also integrally carrying out the detection of internal resistance during ensureing to lithium battery, is being wrapped
The air-tightness of battery entirety is detected after dress, links are carried out in strict accordance with the selection of material, process time and technique
Processing, ensures the quality of production of product.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of lithium battery, including mental package shell (1), it is characterised in that：It is separately installed with above the mental package shell (1)
Anode ear (2) and negative electrode lug (3), the anode ear (2) and negative electrode lug (3) all extend to mental package shell (1) inside, the gold
Belong to and is enclosed with positive plate (4) inside pack case (1), is enclosed with the first diaphragm (5) on the outside of the positive plate (4), described first
It is enclosed with negative plate (6) on the outside of diaphragm (5), the second diaphragm (7) is enclosed on the outside of the negative plate (6).
2. a kind of lithium battery according to claim 1, it is characterised in that：It is had above the mental package shell (1)
First open slot (8) and the second open slot (9), the anode ear (2) are passed through through the first open slot (8), the negative electrode lug (3)
It is through at the second open slot (9).
3. a kind of lithium battery according to claim 2, it is characterised in that：First open slot (8) and the second open slot
(9) internal to be mounted on insulation spacer (10).
4. a kind of lithium battery according to claim 1, it is characterised in that：It is provided with outlet above the mental package shell (1)
Hole (11).
5. a kind of lithium battery according to claim 1, it is characterised in that：The mental package shell (1) is outside aluminum material
Shell.
6. a kind of lithium battery according to claim 1, it is characterised in that：First diaphragm (5) and the second diaphragm
(7) it is polyolefin porous membrane.
7. a kind of processing technology of lithium battery, it is characterised in that：Include the following steps：
S1：The slurry of anode and cathode, the dispensing of selection anode and cathode, then dispensing be added to inside power mixer into
Row mixing, stirring, then to anode and cathode carry out slurry, and to after slurry anode and cathode carry out thickness inspection and really
Recognize；
S2：The production of positive plate and negative plate, after slurry positive electrode and negative material be cut out processing, according to production
The difference of the specification size of required negative plate and positive plate is cut, the positive plate and negative plate progress two pairs of rollers after cutting
Winding is handled, and then carries out drying and processing to positive plate and negative plate；
S3：The cutting of first diaphragm and the second diaphragm is handled, and the demand of different lithium battery production specification is installed, to diaphragm
It is cut out to specified size and size；
S4：Positive plate and negative plate surface are carried out flatness processing by the reprocessing of positive plate and negative plate, hang except positive plate and
The extra powder in negative plate two sides；
S5：The processing of mental package shell carries out the perforation processing of the first open slot and the second open slot above mental package shell
Processing, and the metal fragment inside open slot is removed, anode ear and negative electrode lug and insulation spacer are installed, into mental package shell
Portion winds package positive plate, the first diaphragm, negative plate and the second diaphragm successively, and carries out the detection of internal resistance, then into
It exercises and uses coiling process aluminum metal shell；
S6：Air-leakage test and outer packing are carried out, air-leakage test is integrally carried out to lithium battery, and spray to mental package shell
Code packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810682532.6A CN108598551A (en) | 2018-06-27 | 2018-06-27 | A kind of lithium battery and its processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810682532.6A CN108598551A (en) | 2018-06-27 | 2018-06-27 | A kind of lithium battery and its processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108598551A true CN108598551A (en) | 2018-09-28 |
Family
ID=63634305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810682532.6A Pending CN108598551A (en) | 2018-06-27 | 2018-06-27 | A kind of lithium battery and its processing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108598551A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470180A (en) * | 2018-10-24 | 2019-03-15 | 湖南科霸汽车动力电池有限责任公司 | The method that detection determines cylindrical end face weld battery pole group end face flatness |
| CN110165305A (en) * | 2019-05-24 | 2019-08-23 | 凤凰新能源(惠州)有限公司 | A kind of lithium battery preparation method of high efficiency |
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| CN104577224A (en) * | 2014-12-24 | 2015-04-29 | 深圳市电科电源股份有限公司 | Method for manufacturing ultra-high temperature long-service life nickel-hydrogen batteries |
| CN105226329A (en) * | 2015-10-20 | 2016-01-06 | 四川科能锂电有限公司 | A kind of lithium battery production technology efficiently |
| CN106374077A (en) * | 2015-07-24 | 2017-02-01 | 东莞力朗电池科技有限公司 | Making technology of cylindrical lithium ion battery |
| CN206742425U (en) * | 2017-05-19 | 2017-12-12 | 东莞市池龙电子科技有限公司 | A kind of low-loss lithium battery of service life length |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104577224A (en) * | 2014-12-24 | 2015-04-29 | 深圳市电科电源股份有限公司 | Method for manufacturing ultra-high temperature long-service life nickel-hydrogen batteries |
| CN106374077A (en) * | 2015-07-24 | 2017-02-01 | 东莞力朗电池科技有限公司 | Making technology of cylindrical lithium ion battery |
| CN105226329A (en) * | 2015-10-20 | 2016-01-06 | 四川科能锂电有限公司 | A kind of lithium battery production technology efficiently |
| CN206742425U (en) * | 2017-05-19 | 2017-12-12 | 东莞市池龙电子科技有限公司 | A kind of low-loss lithium battery of service life length |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470180A (en) * | 2018-10-24 | 2019-03-15 | 湖南科霸汽车动力电池有限责任公司 | The method that detection determines cylindrical end face weld battery pole group end face flatness |
| CN109470180B (en) * | 2018-10-24 | 2020-12-18 | 湖南科霸汽车动力电池有限责任公司 | Method for detecting and judging flatness of end face of cylindrical end face welding battery pole group |
| CN110165305A (en) * | 2019-05-24 | 2019-08-23 | 凤凰新能源(惠州)有限公司 | A kind of lithium battery preparation method of high efficiency |
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180928 |
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| RJ01 | Rejection of invention patent application after publication |