CN112349948A - Novel cylindrical button battery - Google Patents
Novel cylindrical button battery Download PDFInfo
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- CN112349948A CN112349948A CN202011263648.XA CN202011263648A CN112349948A CN 112349948 A CN112349948 A CN 112349948A CN 202011263648 A CN202011263648 A CN 202011263648A CN 112349948 A CN112349948 A CN 112349948A
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- membrane shell
- shell
- winding core
- membrane
- core
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- 239000012528 membrane Substances 0.000 claims abstract description 88
- 238000004804 winding Methods 0.000 claims abstract description 30
- 238000004806 packaging method and process Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000005260 corrosion Methods 0.000 claims abstract description 7
- 238000005538 encapsulation Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims abstract description 3
- 210000002268 wool Anatomy 0.000 claims description 13
- 239000003792 electrolyte Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000003213 activating effect Effects 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims description 3
- 238000010277 constant-current charging Methods 0.000 claims description 3
- 238000005213 imbibition Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 210000000998 shell membrane Anatomy 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims 1
- 229910052744 lithium Inorganic materials 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 101100074187 Caenorhabditis elegans lag-1 gene Proteins 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- H01M10/0422—Cells or battery with cylindrical casing
- H01M10/0427—Button cells
-
- 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)
Abstract
The invention relates to the technical field of batteries and discloses a novel cylindrical button battery which comprises a first membrane shell, a second membrane shell and a winding core, wherein the first membrane shell is arranged above the second membrane shell, the winding core is arranged on the inner side of the second membrane shell, an anti-corrosion sheet is fixedly arranged on the inner side of the first membrane shell, a sealing gasket is fixedly arranged on the upper side of the inner side of the second membrane shell, and a protective sleeve is fixedly arranged at the joint of the first membrane shell and the second membrane shell. This kind of novel cylinder button cell carries out the high-frequency heating encapsulation to membrane shell one and membrane shell two junctions with high-frequency packaging equipment, has guaranteed packaging property's stability, and simultaneously, the anticorrosive coating can protect inboard solution to corrode membrane shell one and membrane shell two to can not lead to the fact the circumstances such as bloated gas weeping because of the encapsulation is bad.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a novel cylindrical button battery.
Background
The packaging technology of the button battery which is commonly used in the industry at present is that after the upper and lower aluminum plastic films are punched into the shell, the copper mold is sealed after heat sealing and the upper and lower steel shells are hooped and sealed to form the button battery similar to a beer bottle cap.
But the back is sealed to upper and lower head, the surface is for leveling the plastic-aluminum membrane, but after the physics dashes shape by force, the banding of cambered surface can receive the physics impact, because the aluminium lamination in the middle of the plastic-aluminum appears damaged back, in battery charge-discharge and storage process, electrolyte can constantly corrode the companion's layer, cause the battery to deposit the back and produce gas and cause the weeping scheduling problem, in addition, current battery roll core is cliied diaphragm paper by the centre of positive and negative pole piece and is formed, but the material edge of positive and negative pole piece has some burrs, the diaphragm paper is impaled easily to the burr to can lead to the inside condition of suffering the damage of battery to take place.
Disclosure of Invention
Technical problem to be solved
The invention provides a novel cylindrical button battery which has the advantages of being capable of avoiding damage of a middle layer, protecting diaphragm paper and the like, and solves the problems in the background art.
(II) technical scheme
The invention provides the following technical scheme: the utility model provides a novel cylinder button cell, includes membrane shell one, membrane shell two and rolls up the core, and membrane shell one is installed in the top of membrane shell two, rolls up the core and installs the inboard at membrane shell two, the inboard fixed mounting of membrane shell one has the anticorrosive coating, the inboard top fixed mounting of membrane shell two has sealed the pad, the junction fixed mounting of membrane shell one and membrane shell two has the lag.
Preferably, a wool top is fixedly arranged below the winding core, and the negative electrode tab penetrates through the wool top.
Preferably, the inner side of the winding core is fixedly provided with a positive plate, the inner side of the positive plate is fixedly provided with a diaphragm paper, and the inner side of the diaphragm paper is fixedly provided with a negative plate.
Preferably, the lower parts of two sides of the winding core are fixedly provided with negative electrode lugs, and the upper parts of the two negative electrode lugs are fixedly provided with positive electrode lugs.
Preferably, the first membrane shell is a steel shell membrane shell, and the second membrane shell is an aluminum-plastic membrane shell.
Preferably, the positive electrode tab and the negative electrode tab are connected with the winding core through tab glue, and the positive electrode tab and the negative electrode tab extend out from the opposite angles of the first membrane shell and the second membrane shell.
A preparation method of a novel cylindrical button battery comprises the following specific processes:
s1, manufacturing a winding core: the winding core is wound firstly, and after the winding core is wound, a film shell I is punched according to the size of the winding core, and the manufactured winding core is placed into the film shell I.
S2, injection: annotate liquid to membrane shell one inside before the encapsulation, roll up the core and put into membrane shell one in, drip into membrane shell one with electrolyte in, make roll up the core and normally absorb electrolyte, encapsulate after the imbibition is accomplished again.
S3, packaging: and buckling the membrane shell II on the upper layer during packaging, pressing the membrane shell II and the processed membrane shell I through the semicircular sealing head, and performing high-frequency heating packaging by using high-frequency packaging equipment.
S4, activation: and after the packaging is finished, activating the battery by using low-current constant-current charging.
(III) advantageous effects
The invention has the following beneficial effects:
1. this kind of novel cylinder button cell carries out the high-frequency heating encapsulation to membrane shell one and membrane shell two junctions with high-frequency packaging equipment, has guaranteed packaging property's stability, and simultaneously, the anticorrosive coating can protect inboard solution to corrode membrane shell one and membrane shell two to can not lead to the fact the circumstances such as bloated gas weeping because of the encapsulation is bad.
2. This kind of novel cylinder button cell, when the core was rolled up in the installation, direct mount was in the wool tops top during the core was rolled up, and the material edge burr of positive and negative pole piece can directly be placed in the wool tops inboard to can avoid the burr to impale the diaphragm paper, lead to the fact the condition of injury to the diaphragm paper.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of an explosive structure according to the present invention;
FIG. 3 is a schematic view of the preparation process of the present invention.
In the figure: 1. a protective sleeve; 2. a first membrane shell; 3. a second membrane shell; 4. a corrosion-resistant sheet; 5. a winding core; 6. a positive plate; 7. a separator paper; 8. a negative plate; 9. a gasket; 10. a positive tab; 11. a negative tab; 12. and (5) wool tops.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-2, a novel cylindrical button cell comprises a first membrane shell 2, a second membrane shell 3 and a roll core 5, wherein the first membrane shell 2 is arranged above the second membrane shell 3, the roll core 5 is arranged on the inner side of the second membrane shell 3, an anti-corrosion sheet 4 is fixedly arranged on the inner side of the first membrane shell 2, the anti-corrosion sheet 4 can protect the roll core 5 on the inner side, a sealing gasket 9 is fixedly arranged on the upper side of the inner side of the second membrane shell 3, the sealing gasket 9 can protect the upper side of the roll core 5 to prevent the roll core 5 from being damaged by external force, a protecting sleeve 1 is fixedly arranged at the joint of the first membrane shell 2 and the second membrane shell 3, the joint of the first membrane shell 2 and the second membrane shell 3 can be protected by the protecting sleeve 1 to prevent the liquid leakage caused by unstable connection at the joint of the first membrane shell 2 and the second membrane shell 3, and when the first membrane shell 2 and the second membrane shell 3 are sealed up and down, the joint is sealed, the corrosion protection sheet 4 can then prevent the inside solution from corroding the housing.
Further, the inboard fixed mounting that rolls up core 5 has positive plate 6, and the inboard fixed mounting of positive plate 6 has diaphragm paper 7, and the inboard fixed mounting of diaphragm paper 7 has negative pole piece 8, and diaphragm paper 7 can carry out the separation to positive plate 6 and negative pole piece 8 to can guarantee the stationarity of battery.
Further, the lower parts of the two sides of the winding core 5 are fixedly provided with negative electrode tabs 11, the upper parts of the two negative electrode tabs 11 are fixedly provided with positive electrode tabs 10, and the positive electrode tabs 10 and the negative electrode tabs 11 extend out from the opposite angles of the first membrane shell 2 and the second membrane shell 3.
A preparation method of a novel cylindrical button battery comprises the following specific processes:
s1, manufacturing a winding core 5: roll up core 5 earlier and coil, roll up core 5 and coil the completion back, according to roll up core 5's size, punch a membrane shell 2 again, put into membrane shell 2 with the core 5 that rolls up that makes.
S2, injection: annotate liquid to membrane shell 2 inside before the encapsulation, roll up core 5 and put into membrane shell 2 in, drip into electrolyte in membrane shell 2, make roll up core 5 and normally absorb electrolyte, encapsulate after the imbibition is accomplished again.
S3, packaging: and buckling the membrane shell II 3 on the upper layer during packaging, pressing the membrane shell II 3 and the processed membrane shell I2 through the semicircular sealing head, and performing high-frequency heating packaging by using high-frequency packaging equipment.
S4, activation: and after the packaging is finished, activating the battery by using low-current constant-current charging.
Example two
According to the first embodiment, as shown in fig. 1-2, a wool top 12 is fixedly mounted below the winding core 5, the negative electrode tab 11 penetrates through the wool top 12, and the bottom of the winding core 5 can be protected by the wool top 12.
The working principle is as follows: when the winding core 5 is installed, the wool tops 12 are installed at the bottom of the lower portion of the membrane shell 2, then the winding core 5 is installed above the wool tops 12, when the winding core is installed, the negative electrode lugs 11 penetrate through the wool tops 12, and then electrolyte is dripped into the inner side of the membrane shell 2.
When encapsulating, high frequency heating encapsulates membrane shell 2 and two 3 junctions of membrane shell, then anticorrosive piece 4 can avoid inboard solution to corrode the shell, then fixes lag 1 in the junction of membrane shell 2 and two 3, after the installation, through high temperature sealing-in to can make lag 1 fix in membrane shell 2 and two 3 tops of membrane shell.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A novel cylindrical button battery comprises a first membrane shell (2), a second membrane shell (3) and a winding core (5), wherein the first membrane shell (2) is installed above the second membrane shell (3), and the winding core (5) is installed on the inner side of the second membrane shell (3);
the method is characterized in that:
the anti-corrosion film is characterized in that an anti-corrosion sheet (4) is fixedly mounted on the inner side of the first film shell (2), a sealing gasket (9) is fixedly mounted above the inner side of the second film shell (3), and a protective sleeve (1) is fixedly mounted at the joint of the first film shell (2) and the second film shell (3).
2. The novel cylindrical button cell as claimed in claim 1, wherein: wool tops (12) are fixedly mounted below the winding core (5), and the negative electrode lugs (11) penetrate through the wool tops (12).
3. The novel cylindrical button cell as claimed in claim 1, wherein: the utility model discloses a lithium battery, including roll core (5), the inboard fixed mounting of core (5) has positive plate (6), the inboard fixed mounting of positive plate (6) has diaphragm paper (7), the inboard fixed mounting of diaphragm paper (7) has negative pole piece (8).
4. The novel cylindrical button cell as claimed in claim 1, wherein: the winding core is characterized in that negative electrode lugs (11) are fixedly mounted below two sides of the winding core (5), and positive electrode lugs (10) are fixedly mounted above the negative electrode lugs (11).
5. The novel cylindrical button cell as claimed in claim 1, wherein: the membrane shell I (2) is a steel shell membrane shell, and the membrane shell II (3) is an aluminum-plastic membrane shell.
6. The novel cylindrical button cell as claimed in claim 2, wherein: the positive tab (10) and the negative tab (11) are connected with the winding core (5) through tab glue, and the positive tab (10) and the negative tab (11) extend out from the opposite angles of the first membrane shell (2) and the second membrane shell (3).
A preparation method of a novel cylindrical button battery comprises the following specific processes:
s1, manufacturing a winding core (5): the winding core (5) is wound firstly, after the winding core (5) is wound, a film shell (2) is punched according to the size of the winding core (5), and the manufactured winding core (5) is placed into the film shell (2).
S2, injection: annotate liquid to membrane shell (2) inside before the encapsulation, when roll up core (5) and put into membrane shell (2), drip into electrolyte in membrane shell (2), make roll up core (5) and normally absorb electrolyte, encapsulate after the imbibition is accomplished again.
S3, packaging: and (3) buckling the upper membrane shell II (3) during packaging, pressing the membrane shell II (3) and the processed membrane shell I (2) through the semicircular sealing head, and performing high-frequency heating packaging by using high-frequency packaging equipment.
S4, activation: and after the packaging is finished, activating the battery by using low-current constant-current charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011263648.XA CN112349948A (en) | 2020-11-12 | 2020-11-12 | Novel cylindrical button battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011263648.XA CN112349948A (en) | 2020-11-12 | 2020-11-12 | Novel cylindrical button battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112349948A true CN112349948A (en) | 2021-02-09 |
Family
ID=74362730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011263648.XA Pending CN112349948A (en) | 2020-11-12 | 2020-11-12 | Novel cylindrical button battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112349948A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2157395Y (en) * | 1993-03-12 | 1994-02-23 | 黄大勇 | Electric torch cell protection cover |
| JP2012033449A (en) * | 2010-08-03 | 2012-02-16 | Nec Energy Devices Ltd | Laminated film sheathed laminated battery and method of manufacturing the same |
| CN108598558A (en) * | 2018-05-23 | 2018-09-28 | 易佰特新能源科技有限公司 | A kind of lithium ion cell polar ear shaping, sticking method |
| CN109768337A (en) * | 2018-12-28 | 2019-05-17 | 东莞市美尼电池有限公司 | The chargeable button-shaped soft bag lithium ionic cell of one kind and processing method |
| JP2019087336A (en) * | 2017-11-02 | 2019-06-06 | 積水化学工業株式会社 | Secondary battery |
| CN111463370A (en) * | 2020-04-08 | 2020-07-28 | 广州鹏辉能源科技股份有限公司 | Zinc-air battery |
| CN111554834A (en) * | 2020-05-08 | 2020-08-18 | 惠州亿纬锂能股份有限公司 | Battery manufacturing method and battery |
-
2020
- 2020-11-12 CN CN202011263648.XA patent/CN112349948A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2157395Y (en) * | 1993-03-12 | 1994-02-23 | 黄大勇 | Electric torch cell protection cover |
| JP2012033449A (en) * | 2010-08-03 | 2012-02-16 | Nec Energy Devices Ltd | Laminated film sheathed laminated battery and method of manufacturing the same |
| JP2019087336A (en) * | 2017-11-02 | 2019-06-06 | 積水化学工業株式会社 | Secondary battery |
| CN108598558A (en) * | 2018-05-23 | 2018-09-28 | 易佰特新能源科技有限公司 | A kind of lithium ion cell polar ear shaping, sticking method |
| CN109768337A (en) * | 2018-12-28 | 2019-05-17 | 东莞市美尼电池有限公司 | The chargeable button-shaped soft bag lithium ionic cell of one kind and processing method |
| CN111463370A (en) * | 2020-04-08 | 2020-07-28 | 广州鹏辉能源科技股份有限公司 | Zinc-air battery |
| CN111554834A (en) * | 2020-05-08 | 2020-08-18 | 惠州亿纬锂能股份有限公司 | Battery manufacturing method and battery |
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Application publication date: 20210209 |