CN109461974A - A kind of lamination button cell and its production technology - Google Patents
A kind of lamination button cell and its production technology Download PDFInfo
- Publication number
- CN109461974A CN109461974A CN201811297980.0A CN201811297980A CN109461974A CN 109461974 A CN109461974 A CN 109461974A CN 201811297980 A CN201811297980 A CN 201811297980A CN 109461974 A CN109461974 A CN 109461974A
- Authority
- CN
- China
- Prior art keywords
- electrode plate
- shell
- negative electrode
- negative
- lamination
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003475 lamination Methods 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 238000005516 engineering process Methods 0.000 title claims abstract description 17
- 239000012785 packaging film Substances 0.000 claims abstract description 26
- 229920006280 packaging film Polymers 0.000 claims abstract description 26
- 238000005538 encapsulation Methods 0.000 claims abstract description 9
- 230000005611 electricity Effects 0.000 claims abstract description 7
- 238000000465 moulding Methods 0.000 claims abstract description 3
- 229910052751 metal Inorganic materials 0.000 claims description 37
- 239000002184 metal Substances 0.000 claims description 37
- 238000007789 sealing Methods 0.000 claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 229920006255 plastic film Polymers 0.000 claims description 8
- 239000002985 plastic film Substances 0.000 claims description 8
- 208000002925 dental caries Diseases 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 229910001416 lithium ion Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 238000009966 trimming Methods 0.000 description 4
- 239000011149 active material Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 1
- HFCVPDYCRZVZDF-UHFFFAOYSA-N [Li+].[Co+2].[Ni+2].[O-][Mn]([O-])(=O)=O Chemical compound [Li+].[Co+2].[Ni+2].[O-][Mn]([O-])(=O)=O HFCVPDYCRZVZDF-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000005518 polymer electrolyte Substances 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a kind of lamination button cell and its production technologies, the lamination button cell includes shell and the laminar electrodes that are contained in housing, the laminar electrodes include at least one positive electrode plate and at least one negative electrode plate, the positive electrode plate and negative electrode plate stack setting, and diaphragm is provided between positive electrode plate and negative electrode plate, the outside of the shell has the positive terminal of electrical connection positive electrode plate and the negative terminal of electrical connection negative electrode plate；The production technology includes three lamination, packaging film molding and encapsulation key steps.The reserve of electricity of lamination button cell using the above structure is bigger, and high rate performance is higher, and manufacture is more simple, and uses above-mentioned production technology according to this structure, greatly improves production efficiency, reduces production cost, practical.
Description
Technical field
The invention belongs to battery technology fields, and in particular to a kind of lamination button cell and its production technology.
Background technique
Lithium ion battery is a kind of secondary cell (rechargeable battery), it relies primarily on lithium ion and moves between a positive electrode and a negative electrode
It moves and carrys out work.Lithium ion battery generally includes anode, cathode, diaphragm and battery case, and diaphragm is set between anode and cathode.
The reserve of electricity of traditional lithium ion battery is lower, and high rate performance is weaker, and is needed in process of production in battery case
Positive and negative electrode is set on body, and positive and negative electrode is soldered to the inside of battery case, it is raw to dock the tab of anode, cathode
Production. art is complicated, and production efficiency is low.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of lamination button polymer Li-ion battery and its production technology.
The technical solution adopted by the present invention to solve the technical problems is: a kind of lamination button cell comprising shell and
The laminar electrodes being contained in housing, the laminar electrodes include at least one positive electrode plate and at least one negative electrode plate, institute
It states positive electrode plate and negative electrode plate stacks setting, and be provided with diaphragm between positive electrode plate and negative electrode plate, outside the shell
Side has the positive terminal of electrical connection positive electrode plate and the negative terminal of electrical connection negative electrode plate.
Preferably, the positive electrode plate and negative electrode plate are staggeredly stacked setting.
Preferably, the positive terminal and negative terminal are located at the same side or opposite two sides of shell.
Preferably, there is the positive electrode plate anode to draw tab, and there is the negative electrode plate cathode to draw tab, described
Anode is drawn tab and is shifted to install with cathode extraction tab.
Preferably, the shell is formed by two half-shell splits, and the part of two half-shell splits has a circle for sealing
Side is prolonged in splicing, and two half-shells realize splicing by prolonging the sealing on side, this prolongs side fold fitting surface of shell and fixation, it is described just
Extreme son and negative terminal are pierced by from Yan Biannei, thus by prolonging the fixed positive terminal in side and negative terminal.
Preferably, the shell is aluminum plastic film shell, and the positive terminal and negative terminal are pierced by part and the shell of shell
Gel is provided between body to be sealed.
A kind of production technology of lamination button cell, comprising the following steps:
Positive electrode plate and negative electrode plate stacking are put, and diaphragm are arranged therebetween, avoided just by step 1, lamination
Electrode plate and negative electrode plate directly contact, and the positive electrode plate of stacking and negative electrode plate are made up of laminating machine lamination again later folded
Plate electrode；
Step 2, packaging film molding, packaging film is using aluminum plastic film and stamps out the cavity being adapted to laminar electrodes thereon；
Laminar electrodes are packed into the cavity of packaging film by step 3, encapsulation, and FOLD AND PACK film makes cavity form closure
Accommodating cavity and be made cladding laminar electrodes shell.
Further, in step 1, positive electrode plate and negative electrode plate are provided with the multiple and setting that is staggeredly stacked, positive electrode
There is plate anode to draw tab, and there is negative electrode plate cathode to draw tab, and when stacking is put, anode is drawn tab and drawn with cathode
Tab is arranged in a staggered manner out.
Further, after laminar electrodes are made, the anode of multiple positive electrode plates draws one cathode metal band of tab welding,
And positive terminal is electrically connected by cathode metal band, the cathode of multiple negative electrode plates draws one negative metal band of tab welding, and
Negative terminal is electrically connected by negative metal band.
Further, the cavity that two adaptations are stamped out on packaging film forms closure by folding two cavitys of split
Accommodating cavity, and packaging film passes through heat-sealing sealing accommodating cavity.
The beneficial effects of the present invention are: the reserve of electricity of lamination button cell using the above structure is bigger, high rate performance is more
Height, manufacture is more simple, and uses above-mentioned production technology according to this structure, greatly improves production efficiency, reduces life
Cost is produced, it is practical.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is the cross-sectional view of lamination button cell；
Fig. 2 is the overall structure diagram of lamination button cell；
Fig. 3 is the setting schematic diagram of diaphragm；
Fig. 4 is the production schematic diagram of laminar electrodes；
Fig. 5 is the first assembly method schematic diagram of lamination button cell；
Fig. 6 is second of assembly method schematic diagram of lamination button cell；
Fig. 7 is the third assembly method schematic diagram of lamination button cell.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.Therefore, below to the reality of the invention provided in the accompanying drawings
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of selected implementation of the invention
Example.
Referring to Fig.1~Fig. 7, the present invention disclose a kind of lamination button cell comprising shell 1 and are contained in shell 1
Laminar electrodes, the laminar electrodes include at least one positive electrode plate 3 and at least one negative electrode plate 2,3 He of positive electrode plate
Negative electrode plate 2 stacks setting, and diaphragm 4 is provided between positive electrode plate 3 and negative electrode plate 2, and the outside of the shell 1 has electricity
Connect the positive terminal 8 of positive electrode plate 3 and the negative terminal 6 of electrical connection negative electrode plate 2.
Wherein there is electrolyte, which is preferably liquid polymer electrolyte, and diaphragm 4 is adsorbed with liquid in shell 1
State polymer dielectric, specific ingredient is using existing ingredient in the prior art, and and therefore not to repeat here.The diaphragm 4 is also adopted
The diaphragm 4 of the lithium ion battery of material known on the market, therefore its structure, material also do not repeat herein.
As shown, be provided with multiple positive electrode plates 3 and negative electrode plate 2 in the present embodiment, and the positive electrode plate 3 and negative
The quantity of electrode plate 2 is identical and the setting that is staggeredly stacked, have between two adjacent positive electrode plates 3 and negative electrode plate 2 one every
Film 4.And each positive electrode plate 3 all has an anode and draws tab 301, and each negative electrode plate 2 all has a cathode extraction pole
Ear 201, when stacking setting, anode draws the setting of 301 consistency from top to bottom of tab, and cathode draws the setting of 201 consistency from top to bottom of tab, and
Anode draws tab 301 and cathode draws the setting of 201 mutual dislocation of tab.
By taking the positive electrode plate 3 of circular configuration and negative electrode plate 2 as an example, positive electrode plate 3 and negative electrode plate 2 are aligned the present embodiment
It stacking, anode draws tab 301 and cathode draws the peripheral side that tab 201 respectively extends from positive electrode plate 3, negative electrode plate 2, and
The two shifts to install in circumferencial direction and is mutually 180 ° of angles, in addition, can also make 90 ° of angle of the two or any other angle
Degree.On the positive electrode plate 3 and it is provided with active material on negative electrode plate 2, wherein the active material on positive electrode plate 3 can be set
It is set to LiMn2O4 or cobalt acid lithium, nickel-cobalt lithium manganate material, the active material on negative electrode plate 2 can be set to graphite or approximation
The carbon of graphite-structure.
It is electrically connected to realize with positive terminal 8 and negative terminal 6, all anodes draw tab 301 and be welded into
Weld positive terminal 8 in the end of same cathode metal band 7, cathode metal band 7.Same, all cathode draw tab
201 are welded into same negative metal band 5, and negative terminal 6 is welded in the end of negative metal band 5.When being installed in shell 1,
The positive terminal 8 and negative terminal 6 are located at the same side or opposite two sides of shell 1.Specifically, the negative metal band 5 by
Copper is at cathode metal band 7 is made of aluminium；Negative terminal 6 is using nickel or copper at positive terminal 8 is made of aluminium or nickel.
As shown, the shell 1 in the present embodiment is formed by two half-shell splits, the part of two half-shell splits has one
Circle prolongs side 101 for seal splicing, and two half-shells, which are realized by prolonging the sealing on side 101, splices.And this prolongs the fold of side 101 patch
1 surface of shell is closed, and is fixed if necessary gluing or by way of taping.It is corresponding, positive terminal 8 and cathode
Terminal 6 is pierced by 101 from prolonging and is fixed when prolonging and 101 position-limiting action.
Preferably, the shell 1 be aluminum plastic film shell 1, aluminum plastic film shell 1 with a thickness of 50-500 μm, the positive terminal
Son 8 and negative terminal 6 are pierced by between the part of shell 1 and shell 1 and are provided with gel 9.
A kind of production technology of lamination button cell for above structure is also disclosed in the present embodiment, comprising the following steps:
Positive electrode plate 3 and the stacking of negative electrode plate 2 are put, and diaphragm 4 are arranged therebetween, avoided by step 1, lamination
Positive electrode plate 3 and negative electrode plate 2 directly contact, and the positive electrode plate of stacking 3 and negative electrode plate 2 are passed through laminating machine lamination again later
Laminar electrodes are made；
Step 2, packaging film 10 form, what packaging film 10 was adapted to using aluminum plastic film and stamping out thereon with laminar electrodes
Cavity 102；
Laminar electrodes are packed into the cavity 102 of packaging film 10 by step 3, encapsulation, and FOLD AND PACK film 10 makes cavity 102
It forms the accommodating cavity of closure and the shell 1 for coating laminar electrodes is made.
In the lamination processing for carrying out step 1, the end cap up and down prior to positive electrode plate 3 covers diaphragm 4 and bag making is fixed, and leads to
Diaphragm 4 is crossed to coat positive electrode plate 3 and only make the anode extraction tab 301 on positive electrode plate 3 exposed.It is again that quantity is identical later
Multiple positive electrode plates 3 and negative electrode plate 2 are staggeredly stacked setting, and during stacking, the anode on positive electrode plate 3 draws tab
Cathode on 301 consistencies from top to bottom, negative electrode plate 2 draws 201 consistency from top to bottom of tab, and anode is drawn tab 301 and drawn with cathode
Tab 201 is arranged in a staggered manner out.As shown, in the present embodiment with anode draw tab 301 and cathode draw tab 201 be staggered and
It is mutually for 180 ° of angles, positive electrode plate 3 and negative electrode plate 2 be circular plate structure.Finally again will stack put it is neat just
Electrode plate 3 and negative electrode plate 2 are put into the fixed laminar electrodes that cylinder is made of laminating machine lamination.
Also, after laminar electrodes are made, the anode of multiple positive electrode plates 3 draws tab 301 and is welded as same anode gold
Belong to band 7, positive terminal 8 is welded in the end of cathode metal band 7, to be electrically connected positive terminal 8 by cathode metal band 7；It is multiple
The cathode of negative electrode plate 2 draws tab 201 and is welded as same negative metal band 5, and negative terminal is welded in the end of negative metal band 5
6, to be electrically connected negative terminal 6 by negative metal band 5.The negative metal band 5 is made of copper, and cathode metal band 7 is by aluminium
It is made；Negative terminal 6 is using nickel or copper at positive terminal 8 is made of aluminium or nickel.And cathode metal band if necessary
7 are fixed with negative metal band 5 by insulating cement and make can when bending is fitted on positive electrode plate 3 or negative electrode plate 2
To keep insulation.
When the packaging film 10 for carrying out step 2 forms, in the cavity 102 for stamping out two adaptations on packaging film 10, pass through
The accommodating cavity that two cavitys 102 of split form closure is folded, and packaging film 10 passes through heat-sealing sealing accommodating cavity.The packaging film 10
For aluminum plastic film.
In the present embodiment by taking circular positive electrode plate 3, negative electrode plate 2 as an example, therefore there are mainly three types of the settings of cavity 102
Form, as shown in figure 5, the first is in the cylindrical cavity 102 for stamping out two indents on packaging film 10, the two split shape
At the accommodating cavity that can coat, accommodate laminar electrodes with laminar electrodes external shape fits.Corresponding, 7 He of cathode metal band
The radially extending in the side of laminar electrodes, and cathode metal band 7 and negative metal band 5 along laminar electrodes of negative metal band 5
In same level, laminar electrodes are divided into top under by plane locating for cathode metal band 7 and negative metal band 5
Portion, two cylindrical cavitys 102 are adapted to upper and lower part respectively, thus in FOLD AND PACK film 10 split, two cavitys 102
When, so that cathode metal band 7 and negative metal band 5 is located just at stitching portion, is pierced by out of shell 1 convenient for it.
Since the size of packaging film 10 is typically larger than actually required size, so needed after the encapsulation for carrying out step 3
Trimming again.This trimming is to seal the extra packaging film 10 in 1 side of back casing and cut off.
When using the form of the first above-mentioned cavity 102 setting, in shell 1 after carrying out trimming in this production technology
Circumference side be formed with one it is circular prolong side 101, the processing of further progress flanging, will prolong side 101 turn down upward or downward and
So that it is close to the circumferential outer surface of shell 1, then is fixed by way of heating or gluing.In the process of production and processing, it is ensured that cut
The width for prolonging side 101 out is less than or equal to the depth of the cavity 102 in fold direction, so that prolonging the fold fitting of side 101
The end face of shell 1 will not be protruded when the circumferential outer surface of shell 1.
As shown in Figure 6 and Figure 7, second of setting form of cavity 102 vertical is cut in stamping out two on packaging film 10
The cavity 102 of face semicircular in shape forms the cylindrical accommodating cavity being adapted to laminar electrodes by two cavitys 102 of split.?
When the form being arranged using second of cavity 102, two end faces and the circumference that prolong side 101 and penetrate shell 1 that are formed after excision
Wall.When being arranged using such 102 form of cavity, cathode metal band 7 and negative metal band 5 are adhered fixed by insulating cement makes end
On the bisector for holding the end face for extending laminar electrodes, and cathode metal band 7 both can be located at laminar electrodes with negative metal band 5
Same end face, the opposite end face of laminar electrodes can also be located at.
The third setting form of cavity 102 is in stamping out a cylindrical cavity 102, the cavity on packaging film 10
102 depth is consistent with the height of laminar electrodes and can accommodate laminar electrodes completely.When production, by the positive terminal in laminar electrodes
Son 8 be set to negative terminal 6 it is concordant with an end face of laminar electrodes, by laminar electrodes loading cavity 102 in and make just
Extreme son 8 extends 10 outside of packaging film from the open end of cavity 102 with negative terminal 6, and refolding packaging film 10 is closed cavity
102 open end, so that laminar electrodes be coated.
When cavity 102 is using above-mentioned three kinds of settings form, it will form a circle after sealing trimming and prolong side 101, therefore into
One step, after completing packaging film 10 and sealing, it is also necessary to carry out prolonging the fitting processing of side 101.When carrying out prolonging the fitting processing of side 101,
Side 101 will be prolonged to turn down towards side and it is made to be bonded 1 surface of shell, rubberizing is fixed again when necessary.Cathode metal band 7 and cathode gold
The length for belonging to band 5 is set according to its starting point to the path length for prolonging 101 position of side, so that its end be made to extend appearance
Chamber is set close to the position for prolonging side 101, and cathode metal band 7 and cathode gold is respectively welded in one end of positive terminal 8 and negative terminal 6
Belong to band 5, the other end, which passes through, prolongs 101 outside when 101 extend.
In order to realize the addition of electrolyte, when carrying out the encapsulation of step 3, it is divided into primary encapsulation and secondary encapsulation, once
Be encapsulated as not exclusively encapsulating, i.e., in split formed accommodating cavity mosaic seal part, and reserved part without sealing, it
Liquid electrolyte is first imported afterwards, then carries out secondary encapsulation, is sealed completely.
For the insulating properties between shell 1 for guaranteeing positive terminal 8 and negative terminal 6, and guarantee positive terminal 8 and cathode
The leakproofness of heating sealing between terminal 6 and shell 1, therefore gel 9 is provided on positive terminal 8 and negative terminal 6.
The gel 9 is using existing insulating cement on the market, so therefore not to repeat here for the contents such as its specific ingredient.
Lamination button cell using the above structure, distance is small between positive electrode plate 3 and negative electrode plate 2, and positive electrode plate 3
It is staggeredly stacked setting with negative electrode plate 2, so that the reserve of electricity of the battery is bigger, high rate performance is higher.And positive terminal 8 and negative
Extreme son 6 is fixed by the positioning of side 101 of prolonging of 1 side of shell, eliminates the welding in traditional handicraft, structure is simple, and manufacture is more
It is simple.It is bonded 1 surface of shell due to prolonging side 101, positive terminal 8 and negative terminal 6 also paste under the action of prolonging side 101
1 surface of shell of position is closed, while being additionally provided with gel 9, therefore its leakproofness is strong, it is high that firm degree is installed.According to
The structure uses above-mentioned production technology, greatly improves production efficiency, reduces production cost, practical.
Above-described embodiment is preferred embodiment of the invention, and the present invention can also have other embodiments, such as in negative electrode plate 2
Upper and lower end face setting diaphragm 4 and bag making fix, then by positive electrode plate 3 and be coated with the negative electrode plate 2 of diaphragm 4 and be staggeredly stacked.
Those skilled in the art can also make equivalent deformation or replacement on the premise of without prejudice to spirit of the invention, these equivalent changes
Type or replacement are all contained in range set by the claim of this application.
Claims (10)
1. a kind of lamination button cell, which is characterized in that including shell and the laminar electrodes being contained in housing, the laminated battery
Pole includes at least one positive electrode plate and at least one negative electrode plate, and the positive electrode plate and negative electrode plate stack setting, and just
Diaphragm is provided between electrode plate and negative electrode plate, the outside of the shell has the positive terminal and electricity of electrical connection positive electrode plate
Connect the negative terminal of negative electrode plate.
2. a kind of lamination button cell as described in claim 1, which is characterized in that the positive electrode plate and negative electrode plate interlock
Stack setting.
3. a kind of lamination button cell as described in claim 1, which is characterized in that the positive terminal and negative terminal are located at
The same side of shell or opposite two sides.
4. a kind of lamination button cell as claimed in claim 3, which is characterized in that the positive electrode plate has positive extraction pole
There is cathode to draw tab for ear, the negative electrode plate, and the anode is drawn tab and shifted to install with cathode extraction tab.
5. a kind of lamination button cell as claimed in claim 4, which is characterized in that the shell is by two half-shell split shapes
At there is a circle to be spelled for sealing the side of prolonging of splicing, two half-shells by prolonging the sealing realization on side for the part of two half-shell splits
It connects, this prolongs side fold fitting surface of shell and fixation, the positive terminal and negative terminal are pierced by from Yan Biannei, thus by prolonging
The fixed positive terminal in side and negative terminal.
6. a kind of lamination button cell as described in claim 1, which is characterized in that the shell is aluminum plastic film shell, described
Positive terminal and negative terminal, which are pierced by between the part of shell and shell, to be provided with gel and is sealed.
7. a kind of for producing the production technology of lamination button cell described in any one of claims 1-6, which is characterized in that packet
Include following steps:
Positive electrode plate and negative electrode plate stacking are put, and diaphragm are arranged therebetween by step 1, lamination, avoid positive electrode
Plate and negative electrode plate directly contact, and laminated battery is made by laminating machine lamination in the positive electrode plate of stacking and negative electrode plate again later
Pole；
Step 2, packaging film molding, packaging film is using aluminum plastic film and stamps out the cavity being adapted to laminar electrodes thereon；
Laminar electrodes are packed into the cavity of packaging film by step 3, encapsulation, and FOLD AND PACK film makes cavity form the accommodating being closed
Chamber and be made cladding laminar electrodes shell.
8. a kind of production technology of lamination button cell as claimed in claim 7, which is characterized in that in step 1, positive electricity
Pole plate and negative electrode plate are provided with the multiple and setting that is staggeredly stacked, and there is positive electrode plate anode to draw tab, and negative electrode plate has
Cathode draws tab, and when stacking is put, anode is drawn tab and is arranged in a staggered manner with cathode extraction tab.
9. a kind of production technology of lamination button cell as claimed in claim 8, which is characterized in that laminar electrodes are being made
Afterwards, the anode of multiple positive electrode plates draws one cathode metal band of tab welding, and is electrically connected positive terminal by cathode metal band,
The cathode of multiple negative electrode plates draws one negative metal band of tab welding, and is electrically connected negative terminal by negative metal band.
10. a kind of production technology of lamination button cell as claimed in claim 7, which is characterized in that stamp out on packaging film
The cavity of two adaptations forms the accommodating cavity of closure by folding two cavitys of split, and packaging film is held by heat-sealing sealing
Set chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811297980.0A CN109461974A (en) | 2018-11-02 | 2018-11-02 | A kind of lamination button cell and its production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811297980.0A CN109461974A (en) | 2018-11-02 | 2018-11-02 | A kind of lamination button cell and its production technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109461974A true CN109461974A (en) | 2019-03-12 |
Family
ID=65609156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811297980.0A Pending CN109461974A (en) | 2018-11-02 | 2018-11-02 | A kind of lamination button cell and its production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109461974A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464051A (en) * | 2019-08-06 | 2019-11-19 | 镇江默客电子烟科技有限公司 | A kind of electrode structure of electronic smoke atomizer |
| CN111129388A (en) * | 2019-12-30 | 2020-05-08 | 广东微电新能源有限公司 | Energy storage device and assembling method thereof |
| CN111628212A (en) * | 2020-07-29 | 2020-09-04 | 广州鹏辉能源科技股份有限公司 | Soft package lithium ion battery, manufacturing method thereof and electric device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040038122A1 (en) * | 2002-08-26 | 2004-02-26 | Nissan Motor Co., Ltd. | Laminate cell, assembled battery, battery module and electric vehicle |
| JP2008282756A (en) * | 2007-05-14 | 2008-11-20 | Nec Tokin Corp | Method for manufacturing device of laminated structure battery, and manufacturing device thereof |
| CN101401250A (en) * | 2006-03-20 | 2009-04-01 | 中信国安盟固利新能源科技有限公司 | A soft packaged and high capacity lithium ion battery and the manufacture method of the same |
| JP2012190566A (en) * | 2011-03-08 | 2012-10-04 | Sekisui Chem Co Ltd | Method of manufacturing multilayered membrane electrode assembly and laminated battery |
| JP2012204279A (en) * | 2011-03-28 | 2012-10-22 | Nec Corp | Secondary battery manufacturing method |
| US20140045049A1 (en) * | 2012-08-09 | 2014-02-13 | Sanyo Electric Co., Ltd. | Nonaqueous electrolyte secondary battery |
| CN105702999A (en) * | 2014-12-09 | 2016-06-22 | 丰田自动车株式会社 | Manufacturing method for secondary battery and secondary battery |
| JP2017016946A (en) * | 2015-07-03 | 2017-01-19 | 株式会社京都製作所 | Manufacturing apparatus for lamination type battery |
| JP2017157576A (en) * | 2017-06-19 | 2017-09-07 | トヨタ自動車株式会社 | Secondary battery |
| CN108123073A (en) * | 2016-11-28 | 2018-06-05 | 丰田自动车株式会社 | The laminate type battery and battery pack being connected in series |
| CN209088011U (en) * | 2018-11-02 | 2019-07-09 | 中山市众旺德新能源科技有限公司 | A kind of lamination button cell |
-
2018
- 2018-11-02 CN CN201811297980.0A patent/CN109461974A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040038122A1 (en) * | 2002-08-26 | 2004-02-26 | Nissan Motor Co., Ltd. | Laminate cell, assembled battery, battery module and electric vehicle |
| CN101401250A (en) * | 2006-03-20 | 2009-04-01 | 中信国安盟固利新能源科技有限公司 | A soft packaged and high capacity lithium ion battery and the manufacture method of the same |
| JP2008282756A (en) * | 2007-05-14 | 2008-11-20 | Nec Tokin Corp | Method for manufacturing device of laminated structure battery, and manufacturing device thereof |
| JP2012190566A (en) * | 2011-03-08 | 2012-10-04 | Sekisui Chem Co Ltd | Method of manufacturing multilayered membrane electrode assembly and laminated battery |
| JP2012204279A (en) * | 2011-03-28 | 2012-10-22 | Nec Corp | Secondary battery manufacturing method |
| US20140045049A1 (en) * | 2012-08-09 | 2014-02-13 | Sanyo Electric Co., Ltd. | Nonaqueous electrolyte secondary battery |
| CN105702999A (en) * | 2014-12-09 | 2016-06-22 | 丰田自动车株式会社 | Manufacturing method for secondary battery and secondary battery |
| JP2017016946A (en) * | 2015-07-03 | 2017-01-19 | 株式会社京都製作所 | Manufacturing apparatus for lamination type battery |
| CN108123073A (en) * | 2016-11-28 | 2018-06-05 | 丰田自动车株式会社 | The laminate type battery and battery pack being connected in series |
| JP2017157576A (en) * | 2017-06-19 | 2017-09-07 | トヨタ自動車株式会社 | Secondary battery |
| CN209088011U (en) * | 2018-11-02 | 2019-07-09 | 中山市众旺德新能源科技有限公司 | A kind of lamination button cell |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464051A (en) * | 2019-08-06 | 2019-11-19 | 镇江默客电子烟科技有限公司 | A kind of electrode structure of electronic smoke atomizer |
| CN111129388A (en) * | 2019-12-30 | 2020-05-08 | 广东微电新能源有限公司 | Energy storage device and assembling method thereof |
| CN111628212A (en) * | 2020-07-29 | 2020-09-04 | 广州鹏辉能源科技股份有限公司 | Soft package lithium ion battery, manufacturing method thereof and electric device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3176848B1 (en) | Rechargeable lithium ion button cell battery | |
| CN105556734B (en) | The electrochemical cell of electrode and diaphragm containing folding, the battery pack and preparation method thereof comprising the electrochemical cell | |
| CN102210053B (en) | Layered secondary battery | |
| CN103098285A (en) | Lithium secondary battery having multi-directional lead-tab structure | |
| JP7237409B2 (en) | Battery case for secondary battery and pouch type secondary battery | |
| CN112803125B (en) | Soft package button type lithium ion battery and manufacturing method thereof | |
| JP7436116B2 (en) | Electrode tab bending device and method | |
| CN109461974A (en) | A kind of lamination button cell and its production technology | |
| US20200203775A1 (en) | Button-Type Polymer Lithium Ion Battery and Manufacturing Method Thereof | |
| CN110783615A (en) | Manufacturing method of soft package button type lithium battery and soft package button type lithium battery | |
| KR20210011813A (en) | The Case For Secondary Battery And The Pouch Type Secondary Battery | |
| CN115104216A (en) | Secondary battery | |
| TW201530865A (en) | Pouch type case, battery cell, and method of manufacturing battery cell | |
| CN208460894U (en) | A kind of single battery core and flexible battery group | |
| CN209088011U (en) | A kind of lamination button cell | |
| CN109888162A (en) | Have gluing structure battery core of embedded tab and preparation method thereof and lithium battery | |
| JP2020030899A (en) | Secondary battery | |
| CN106159119B (en) | A kind of flexible packing lithium ion battery and its manufacturing method | |
| CN111628212A (en) | Soft package lithium ion battery, manufacturing method thereof and electric device | |
| CN214043928U (en) | Tab and soft-package button type lithium ion battery | |
| CN209133591U (en) | A kind of high capacity lithium ion battery | |
| CN111341967A (en) | Production method of anti-seepage button battery and button battery manufactured by same | |
| KR20210076770A (en) | The Case For Secondary Battery And The Pouch Type Secondary Battery | |
| CN217740652U (en) | Button cell without tab | |
| CN109192917A (en) | A kind of high capacity lithium ion battery and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 528400 factory buildings 2, 3 and 4, Dongya area, Dazhe Industrial Park, Nanlang street, Zhongshan City, Guangdong Province Applicant after: ZHONGSHAN ZHONGWANGDE NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: 1 / F and 2 / F, No.3 workshop, Dongya area, dache Industrial Park, Nanlang Town, Zhongshan City, Guangdong Province, 528400 Applicant before: ZHONGSHAN ZHONGWANGDE NEW ENERGY TECHNOLOGY Co.,Ltd. |