CN111668402B - Integral apron lithium cell - Google Patents
Integral apron lithium cell Download PDFInfo
- Publication number
- CN111668402B CN111668402B CN202010522642.3A CN202010522642A CN111668402B CN 111668402 B CN111668402 B CN 111668402B CN 202010522642 A CN202010522642 A CN 202010522642A CN 111668402 B CN111668402 B CN 111668402B
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- Prior art keywords
- cylinders
- cover
- cover plate
- cylinder
- lithium battery
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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
-
- 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
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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)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses an integral cover plate lithium battery, which comprises a plurality of cylinders, wherein one end or two ends of each cylinder are provided with an opening, one end of each cylinder is provided with a cover plate, the cylinders are positioned on the same side of the cover plate, the cover plate is provided with a plurality of protruding blocks for being inserted into the openings of the cylinders or a plurality of grooves for being inserted by the openings of the cylinders, the cylinders and the cover plates are connected through insulating adhesives to seal the cylinders, the cylinders and the cover plates are separated by the insulating adhesives, a battery inner core and electrolyte are arranged in the cylinders, and positive and negative lugs of the battery inner core are respectively connected with the cylinders or the cover plates; the cover plate and the cylinder are both made of metal materials. According to the invention, the cylinder bodies of the single batteries are connected into a whole through the integral cover plate, so that the subsequent assembly process of the single batteries is not needed, the single batteries are firmer and more reliable, and the heat dissipation effect is good.
Description
Technical Field
The invention relates to the field of lithium batteries, in particular to an integral cover plate lithium battery.
Background
The lithium battery is used as an energy battery with high reaction efficiency, strong safety and small volume, is increasingly widely applied, and the single battery is the most basic element for forming a battery pack, and can generally provide 3-4 v voltage; the battery pack is formed by a plurality of monomer sets (namely, a single monomer battery is obtained after parallel connection and/or serial connection), and a single physical module is formed to provide higher voltage and capacity, for example, a battery module uses four monomer series connection to provide nominal 12V voltage, or a plurality of monomer parallel connection to provide larger capacity; however, in the prior art, after the single battery is manufactured, the single battery is assembled through a later procedure, for example, a plurality of single batteries are assembled together through a tray bracket, and then the single batteries are connected in series or in parallel through a nickel strap, so that the problem of time and labor are wasted on one hand, and on the other hand, a shell is generally covered outside for forming the integrity, and the heat dissipation of the lithium battery is affected by the existence of the shell.
Disclosure of Invention
The invention aims to provide an integral cover plate lithium battery.
The invention has the innovation points that the cylinder bodies of the single batteries are connected into a whole through the whole cover plate, the subsequent assembly process of the single batteries is not needed, the firmness and the reliability are better, and the heat dissipation effect is good.
In order to achieve the above purpose, the technical scheme of the invention is as follows: the integrated cover plate lithium battery is characterized by comprising a plurality of cylinders, wherein one end or two ends of each cylinder are provided with an opening, one end of each cylinder is provided with a cover plate, the cylinders are positioned on the same side of the cover plate, the cover plate is provided with a plurality of protruding blocks for being inserted into the openings of the cylinders or a plurality of grooves for being inserted by the openings of the cylinders, the cylinders and the cover plates are connected through insulating adhesives to seal the cylinders, the cylinders and the cover plates are separated by the insulating adhesives, a battery inner core and electrolyte are arranged in the cylinders, and positive and negative lugs of the battery inner core are respectively connected with the cylinders or the cover plates; the cover plate and the cylinder are both made of metal materials.
Further, the groove is an annular groove or a columnar groove.
Further, the joint of the cover plate and the cylinder body is also coated with insulating paint. The insulation property of the cover plate and the cylinder body is ensured.
Further, one end of the cylinder body is opened, a plurality of bulges are arranged on the outer side wall of the cylinder body, and the cylinder body is connected with the cylinder body through bulge welding. The outer side walls between the cylinders can be connected to ensure that the whole lithium battery pack is more stable.
Further, the bulge is a hollow structure communicated with the inside of the cylinder body, and the bulge is positioned at one end far away from the cover plate. The protruding bottom plate one end that is located can make whole lithium cell group more firm that is kept away from, protruding for with the inside hollow structure of intercommunication of barrel can increase the volume of the interior electrolyte of barrel.
Further, the cylinder body and the cover plate are made of steel nickel plating materials or aluminum plate materials. High cost performance and good ductility.
Further, the cylinder body comprises a plurality of rows, and the cylinder bodies between two adjacent rows are arranged at equal intervals in a staggered mode. The volume of the entire lithium battery pack can be reduced.
Further, the surface of the joint of the cylinder and the cover plate is passivated or roughened. The connection of the connection part of the cylinder body and the cover plate is firmer.
Further, the insulating adhesive is tab glue.
The beneficial effects of the invention are as follows:
1. In the invention, the single battery is organically combined into a whole through the cover plate, then the positive electrode lug and the cylinder body of part of the battery inner core are connected, the negative electrode lug and the cover plate are connected, the negative electrode lug and the cylinder body of part of the battery inner core are connected, the positive electrode lug and the cover plate are connected, the single battery is connected in parallel or in series when being manufactured, the follow-up processing step is not needed, and the cover plate and the bottom plate are separated by an insulating adhesive to insulate the single battery.
Drawings
Fig. 1 is a schematic structural view of embodiment 1;
FIG. 2 is a schematic diagram showing the connection of the cylinder and the cover plate in example 1;
Fig. 3 is a schematic structural view of embodiment 2;
FIG. 4 is a schematic diagram showing the connection of the cylinder and the cover plate in example 2;
fig. 5 is a schematic structural view of embodiment 3;
FIG. 6 is a schematic diagram showing the connection of the cylinder and the cover plate in example 3;
Fig. 7 is a schematic structural view of embodiment 4;
FIG. 8 is a schematic diagram showing the connection of the cylinder and the cover plate in example 4;
fig. 9 is a schematic structural view of embodiment 5;
FIG. 10 is a schematic diagram showing the connection of the cylinder and the cover plate in example 5;
Fig. 11 is a schematic structural view of embodiment 6;
FIG. 12 is a schematic diagram showing the connection of the cylinder and the cover plate in example 6.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Example 1: as shown in fig. 1 and 2, an integral cover plate lithium battery comprises a plurality of cylinders 1, one end of each cylinder 1 is opened, one end of each cylinder 1 is provided with a cover plate 2, the cylinders 1 are positioned on the same side of the cover plate 2, the cover plates 2 are provided with a plurality of protruding blocks 3 used for being inserted into the openings of the cylinders 1, the cylinders 1 and the cover plates 2 are connected through insulating adhesives 5 to seal the cylinders, the insulating adhesives 5 are tab adhesives, the cylinders 1 and the cover plates 2 are separated by the insulating adhesives, a battery inner core and electrolyte are arranged in the cylinders 1, and positive and negative tabs of the battery inner core are respectively connected with the cylinders 1 or the cover plates 2; the cover plate 2 and the cylinder body 1 are both made of metal materials.
Example 2: as shown in fig. 3 and 4, an integral cover plate lithium battery comprises a plurality of cylinders 1, wherein two ends of each cylinder 1 are opened, cover plates 2 are arranged at two ends of each cylinder 1, a plurality of protruding blocks 3 for being inserted into the openings of the cylinders 1 are arranged on each cover plate 2, each cylinder is sealed by the cylinders 1 and the cover plates 2 through an insulating adhesive 5, the insulating adhesive 5 is tab glue, the cylinders 1 and the cover plates 2 are separated by the insulating adhesive, a battery inner core and electrolyte are arranged in each cylinder 1, and positive and negative tabs of the battery inner core are respectively connected with the cylinders 1 or the cover plates 2; the cover plate 2 and the cylinder body 1 are both made of metal materials.
Example 3: as shown in fig. 5 and 6, an integral cover plate lithium battery comprises a plurality of cylinders 1, one ends of the cylinders 1 are open, one ends of the openings of the cylinders 1 are provided with cover plates 2, the cylinders 1 are located on the same side of the cover plates 2, a plurality of grooves 4 used for being inserted by the open ends of the cylinders 1 are formed in the cover plates 2, the grooves 4 are annular grooves 4.1, the cylinders 1 and the cover plates 2 are connected through insulating adhesives 5 to seal the cylinders, the cylinders 1 and the cover plates 2 are spaced apart through the insulating adhesives, the cylinders 1 comprise a plurality of rows, and the cylinders 1 between two adjacent rows are arranged at equal intervals in a staggered mode. The cylinder body 1 is internally provided with a battery inner core and electrolyte, and positive and negative lugs of the battery inner core are respectively connected with the cylinder body 1 or the cover plate 2; the cover plate 2 and the cylinder body 1 are both made of metal materials. The outer side wall of the barrel 1 is provided with a plurality of bulges 6, the barrel 1 is connected with the barrel 1 through the welding of the bulges 6, the bulges 6 are hollow structures communicated with the inside of the barrel 1, and the bulges 6 are positioned at one end far away from the cover plate 2.
Example 4: as shown in fig. 7 and 8, an integral cover plate lithium battery comprises a plurality of cylinders 1, dry cylinders 1, openings are formed in two ends of the cylinders 1, cover plates 2 are arranged at two ends of the cylinders 1, grooves 4 used for being inserted into the openings of the cylinders 1 are formed in the cover plates 2, the grooves 4 are annular grooves 4.1, the cylinders 1 and the cover plates 2 are connected through insulating adhesives 5 to seal the cylinders, the cylinders 1 and the cover plates 2 are separated by the insulating adhesives, the cylinders 1 comprise a plurality of rows, and the cylinders 1 between two adjacent rows are arranged at equal intervals in a staggered mode. The cylinder body 1 is internally provided with a battery inner core and electrolyte, and positive and negative lugs of the battery inner core are respectively connected with the cylinder body 1 or the cover plate 2; the cover plate 2 and the cylinder body 1 are both made of metal materials.
Example 5: as shown in fig. 9 and 10, an integral cover plate lithium battery comprises a plurality of cylinders 1, one ends of the cylinders 1 are open, one ends of the openings of the cylinders 1 are provided with cover plates 2, the cylinders 1 are located on the same side of the cover plates 2, a plurality of grooves 4 used for being inserted by the open ends of the cylinders 1 are formed in the cover plates 2, the grooves 4 are columnar grooves 4.2, the cylinders 1 and the cover plates 2 are connected through insulating adhesives 5 to seal the cylinders, the cylinders 1 and the cover plates 2 are separated by the insulating adhesives, and insulating paint is further coated at the joint of the cover plates 2 and the cylinders 1. The cylinder body 1 is internally provided with a battery inner core and electrolyte, and positive and negative lugs of the battery inner core are respectively connected with the cylinder body 1 or the cover plate 2; the cover plate 2 and the cylinder body 1 are both made of metal materials.
Example 6: as shown in fig. 11 and 12, an integral cover plate lithium battery comprises a plurality of cylinders 1, two ends of each cylinder 1 are opened, cover plates 2 are arranged at two ends of each cylinder 1, a plurality of grooves 4 used for being inserted by the opening ends of the cylinders 1 are formed in the cover plates 2, the grooves 4 are columnar grooves 4.2, each cylinder is sealed by connecting the cylinders 1 and the cover plates 2 through an insulating adhesive 5, the cylinders 1 and the cover plates 2 are separated by the insulating adhesive, and insulating paint is further coated at the connecting positions of the cover plates 2 and the cylinders 1. The cylinder body 1 is internally provided with a battery inner core and electrolyte, and positive and negative lugs of the battery inner core are respectively connected with the cylinder body 1 or the cover plate 2; the cover plate 2 and the cylinder body 1 are both made of metal materials. The cylinder body 1 and the cover plate 2 are made of steel nickel plating materials or aluminum plate materials. The surface of the junction of the cylinder 1 and the cover plate 2 is passivated or roughened.
The described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Claims (9)
1. The integrated cover plate lithium battery is characterized by comprising a plurality of cylinders, wherein one end or two ends of each cylinder are provided with an opening, one end of each cylinder is provided with a cover plate, the cylinders are positioned on the same side of the cover plate, the cover plate is provided with a plurality of protruding blocks for being inserted into the openings of the cylinders or a plurality of grooves for being inserted by the openings of the cylinders, the cylinders and the cover plates are connected through insulating adhesives to seal the cylinders, the cylinders and the cover plates are separated by the insulating adhesives, a battery inner core and electrolyte are arranged in the cylinders, and positive and negative lugs of the battery inner core are respectively connected with the cylinders or the cover plates; the cover plate and the cylinder are both made of metal materials.
2. The unitary cover lithium battery of claim 1, wherein the recess is an annular recess or a cylindrical recess.
3. The unitary cover lithium battery of claim 1 wherein the junction of the cover and can is further coated with an insulating paint.
4. The integrated cover plate lithium battery of claim 1, wherein one end of the cylinder is open, a plurality of protrusions are arranged on the outer side wall of the cylinder, and the cylinder is connected with the cylinder through protrusion welding.
5. The unitary cover lithium battery of claim 4 wherein the protrusion is a hollow structure in communication with the interior of the can, the protrusion being located at an end remote from the cover.
6. The integrated cover lithium battery of claim 1, wherein the cylinder and the cover are made of nickel-plated steel or aluminum.
7. The unitary cover lithium battery of claim 1, wherein the can comprises a plurality of rows, the cans between adjacent rows being equidistantly staggered.
8. The unitary cover lithium battery of claim 1, wherein the surface of the junction of the can and cover is passivated or roughened.
9. The unitary cover lithium battery of claim 1, wherein the insulating adhesive is a tab paste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010522642.3A CN111668402B (en) | 2020-06-10 | 2020-06-10 | Integral apron lithium cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010522642.3A CN111668402B (en) | 2020-06-10 | 2020-06-10 | Integral apron lithium cell |
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| Publication Number | Publication Date |
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| CN111668402A CN111668402A (en) | 2020-09-15 |
| CN111668402B true CN111668402B (en) | 2024-06-18 |
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| CN202010522642.3A Active CN111668402B (en) | 2020-06-10 | 2020-06-10 | Integral apron lithium cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN215988997U (en) * | 2021-06-25 | 2022-03-08 | 宁德时代新能源科技股份有限公司 | Battery and power consumption device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212182377U (en) * | 2020-06-10 | 2020-12-18 | 宜兴市惠华复合材料有限公司 | Integral cover plate lithium battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4642179B2 (en) * | 1999-10-08 | 2011-03-02 | パナソニック株式会社 | Collective secondary battery |
| CN201936925U (en) * | 2011-02-23 | 2011-08-17 | 湖南丰源业翔晶科新能源股份有限公司 | Lithium ion secondary battery with circular cores and square casing |
| CN103647112B (en) * | 2013-12-24 | 2016-02-24 | 淄博洁力特种电池材料科技有限公司 | Side pole multivoltage Ni-MH battery module |
| CN205543004U (en) * | 2016-01-31 | 2016-08-31 | 谢振华 | Built -up connection structure of power battery group |
| US20180123096A1 (en) * | 2016-10-27 | 2018-05-03 | Shawn Allan McCarty | Means for Assembling Cylindrical Batteries into a Modular and Rebuildable Battery Pack |
| CN207233789U (en) * | 2017-08-30 | 2018-04-13 | 宁德时代新能源科技股份有限公司 | Secondary cell and battery modules |
| WO2019060047A1 (en) * | 2017-09-22 | 2019-03-28 | Cadenza Innovation, Inc. | Lithium ion battery with modular bus bar assemblies |
| KR102364930B1 (en) * | 2017-11-16 | 2022-02-17 | 주식회사 엘지에너지솔루션 | Battery Pack Comprising coverlay |
| CN108461698A (en) * | 2018-03-01 | 2018-08-28 | 杭州泓创新能源有限公司 | Connection in series-parallel modular electric storage battery group |
| CN111048725A (en) * | 2019-12-12 | 2020-04-21 | 中北润良新能源汽车(徐州)股份有限公司 | Integrated battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212182377U (en) * | 2020-06-10 | 2020-12-18 | 宜兴市惠华复合材料有限公司 | Integral cover plate lithium battery |
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| CN111668402A (en) | 2020-09-15 |
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