CN112018448A - Long-life lithium battery - Google Patents
Long-life lithium battery Download PDFInfo
- Publication number
- CN112018448A CN112018448A CN202010752559.5A CN202010752559A CN112018448A CN 112018448 A CN112018448 A CN 112018448A CN 202010752559 A CN202010752559 A CN 202010752559A CN 112018448 A CN112018448 A CN 112018448A
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- Prior art keywords
- fixed
- battery main
- heat dissipation
- battery
- cavity
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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
- H01M10/058—Construction or manufacture
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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
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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- 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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- 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 relates to the field of lithium batteries, in particular to a lithium battery with long service life, which comprises a base, wherein two battery main bodies are symmetrically fixed on the base, two polar columns are fixed above the battery main bodies, baffle plates are fixed on two sides of the base between the two battery main bodies, one side of the two battery main bodies opposite to each other is an S-shaped side wall, the interior of the battery main body is divided into an electrolysis cavity and a liquid storage cavity, a plurality of grid plates are fixed in the electrolysis cavity, a liquid injection pipe which is integrally formed with the battery main body is also fixed in the liquid storage cavity, the top of the liquid injection pipe is sealed by a sealing cover which is in threaded connection with the liquid injection pipe, a heat dissipation cavity is formed between the two battery main bodies and the two baffle plates, the base in the heat dissipation intracavity portion is vertically fixed with a plurality of copper posts, still transversely be fixed with the copper of taking the mesh on the copper post of heat dissipation intracavity portion intermediate position, it has heat dissipation silica gel still to pack in the heat dissipation intracavity portion. The service life of the lithium battery can be effectively prolonged through the structure of the device.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of lithium batteries, in particular to a lithium battery with long service life.
[ background of the invention ]
Lithium ion batteries are classified into liquid lithium ion batteries and polymer lithium ion batteries or plastic lithium ion batteries according to the difference of electrolyte materials used in the lithium ion batteries. The positive and negative electrode materials used by the polymer lithium ion battery are the same as liquid lithium ions, the positive electrode material is divided into lithium cobaltate, lithium manganate, ternary material and lithium iron phosphate material, the negative electrode is graphite, and the working principle of the battery is basically consistent. The main difference is the difference of electrolyte, liquid electrolyte is used in liquid lithium ion battery, solid polymer electrolyte is used instead in polymer lithium ion battery, the polymer can be dry state or colloidal state, most of the present uses polymer gel electrolyte.
Due to the design of the single batteries, the heat dissipation performance of the batteries is poor due to the small contact area between the batteries and the outside air, the service life of the batteries is seriously influenced, and after the batteries are charged and discharged for a long time, water in electrolyte is evaporated, so that the amount of the electrolyte is reduced, the storage capacity of the storage batteries is influenced, and the service life of the lead storage batteries is further influenced.
The invention is provided for overcoming the defects of the prior art.
[ summary of the invention ]
It is an object of the present invention to overcome the above-mentioned disadvantages of the prior art and to provide a lithium battery having a long life.
The invention can be realized by the following technical scheme:
the invention discloses a lithium battery with long service life, which comprises a base, wherein two battery main bodies are symmetrically fixed on the base, two pole posts are fixed above the battery main bodies, baffle plates are fixed on two sides of the base between the two battery main bodies, one side of the two battery main bodies opposite to each other is an S-shaped side wall, the interior of the battery main body is divided into an electrolysis cavity and a liquid storage cavity, a plurality of grid plates are fixed in the electrolysis cavity, a liquid injection pipe which is integrally formed with the battery main bodies is fixed in the liquid storage cavity, the top of the liquid injection pipe is sealed by a sealing cover in threaded connection with the liquid injection pipe, a heat dissipation cavity is formed between the two battery main bodies and the two baffle plates, a plurality of copper posts are vertically fixed on the base in the heat dissipation cavity, a copper plate with meshes is transversely fixed on the copper post in the middle position in the heat dissipation cavity, and heat dissipation silica gel is filled in the, the battery is characterized in that a cover plate is further arranged on the upper end face of the battery main body, the cover plate is connected with the copper columns through threads through bolts and then fixed above the battery main body, and a handle is further fixed on the cover plate. The single large lithium battery is designed into a battery main body which is relatively fixed on the base, one side of the battery main body is an S-shaped side wall, a liquid storage cavity and an electrolytic cavity are formed in the battery main body, after electrolyte is injected into the battery main body, the internal capacity of the battery main body is increased through the liquid storage cavity, the problem that the service life of the battery is influenced because the liquid level of the electrolyte is seriously reduced due to the evaporation of water in the electrolyte can be effectively avoided, after the battery is used for a period of time, the performance of the electrolyte is lost, when the performance of the battery is reduced, new electrolyte can be injected again after the electrolyte in the battery main body is extracted through the liquid injection pipe, the service life of the battery is prolonged again, and the heat dissipation cavity between the two battery main bodies is filled with heat dissipation silica gel, because the structure of the S-, and the inside copper that still is fixed with of heat dissipation intracavity to heat dissipation intracavity portion still vertically is fixed with copper post and connects base and apron, can effectively conduct the heat of heat dissipation intracavity portion to the external world through the copper post, effectively increases the radiating effect of battery main part, further prolongs the life of battery.
Preferably, the outlet at the bottom of the liquid injection pipe is arranged at the bottom of the liquid storage cavity. Through annotating liquid pipe bottom export setting in stock solution chamber bottom, can effectively be with the inside electrolyte evacuation of battery main part through annotating the liquid pipe.
Compared with the prior art, the invention has the following advantages:
1. the internal capacity of the battery main body is increased through the liquid storage cavity, and the problem that the liquid level of the electrolyte is seriously reduced due to the evaporation of water in the electrolyte to influence the service life of the battery can be effectively avoided.
2. And the electrolyte in the battery main body is extracted through the electrolyte injection pipe and then is injected into new electrolyte again, so that the service life of the battery is prolonged again.
The structure of S type lateral wall can effectively increase the area of contact between heat dissipation silica gel and the battery main part, can effectively conduct the battery heat to the heat dissipation silica gel position.
4. The copper is fixed with still in the heat dissipation intracavity portion to the heat dissipation intracavity portion is still vertical to be fixed with copper post connection base and apron, can effectively conduct the heat of heat dissipation intracavity portion to the external world through the copper post, effectively increases battery main body's radiating effect, further prolongs the life of battery.
[ description of the drawings ]
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken at B-B of FIG. 2;
in the figure: 1. a base; 2. a battery main body; 3. a pole column; 4. a baffle plate; 5. a cover plate; 6. a bolt; 7. a handle; 8. sealing the cover; 9. a grid plate; 10. a liquid storage cavity; 11. an electrolysis chamber; 12. a liquid injection pipe; 13. a copper pillar; 14. a copper plate; 15. an S-shaped sidewall; 16. a heat dissipation cavity;
the embodiments of the present invention will be described in detail below with reference to the accompanying drawings:
as shown in figures 1 to 5, the invention discloses a lithium battery with long service life, which comprises a base 1, wherein two battery bodies 2 are symmetrically fixed on the base 1, two poles 3 are fixed above the battery bodies 2, two sides of the base 1 between the two battery bodies 2 are fixed with baffle plates 4, one side of each of the two battery bodies 2, which is opposite to the other side, is an S-shaped side wall 15, the inside of each battery body 2 is divided into an electrolysis cavity 11 and a liquid storage cavity 10, a plurality of grid plates 9 are fixed inside the electrolysis cavity 11, a liquid injection pipe 12 which is integrally formed with the battery bodies 2 is also fixed inside the liquid storage cavity 10, the top of the liquid injection pipe 12 is sealed by a sealing cover 8 which is in threaded connection with the liquid injection pipe 12, a heat dissipation cavity 16 is formed between the two battery bodies 2 and the two baffle plates 4, a plurality of copper columns 13 are vertically fixed on the base 1 inside the heat dissipation cavity 16, a copper plate 13 at the middle position inside the heat dissipation cavity 16, the heat dissipation cavity 16 is filled with heat dissipation silica gel, the cover plate 5 is further placed on the upper end face of the battery main body 2, the cover plate 5 is fixed above the battery main body 2 after being in threaded connection with the copper columns 13 through bolts 6, and the handle 7 is further fixed on the cover plate 5. The single large-scale lithium battery is designed into two battery main bodies 2 which are relatively fixed on a base 1, one side of each battery main body 2 is an S-shaped side wall 15, a liquid storage cavity 10 and an electrolytic cavity 11 are formed in each battery main body 2, after electrolyte is injected into each battery main body 2, the electrolyte capacity in each battery main body 2 is increased through the liquid storage cavity 10, the problem that the service life of the battery is influenced due to the fact that the liquid level of the electrolyte is seriously reduced due to water evaporation in the electrolyte can be effectively solved, after the battery is used for a period of time, the performance of the electrolyte is lost, when the performance of the battery is reduced, the electrolyte in each battery main body 2 can be extracted through the liquid injection pipe 12, new electrolyte is injected again, the service life of the battery is prolonged again, heat dissipation silica gel is filled in the heat dissipation cavity 16 between the two battery main bodies 2, can effectively conduct the battery heat to heat dissipation silica gel position to the inside copper 14 that still is fixed with in heat dissipation chamber 16, and heat dissipation chamber 16 inside still vertically is fixed with copper post 13 and connects base 1 and apron 5, can effectively conduct the heat in heat dissipation chamber 16 inside to the external world through copper post 13, effectively increases the radiating effect of battery main part 2, further prolongs the life of battery.
Wherein, the outlet at the bottom of the liquid injection pipe 12 is arranged at the bottom of the liquid storage cavity 10. The bottom outlet of the liquid injection pipe 12 is arranged at the bottom of the liquid storage cavity 10, and the electrolyte in the battery main body 2 can be effectively emptied through the liquid injection pipe 12.
The above description is only a preferred embodiment of the present invention, and it should be noted that a person skilled in the art can make various changes, modifications, substitutions and alterations to the embodiments without departing from the technical principles of the present invention, and such changes, modifications, substitutions and alterations should also be regarded as the protection scope of the present invention.
Claims (2)
1. A long-lived lithium cell which characterized in that: the battery comprises a base, wherein two battery main bodies are symmetrically fixed on the base, two polar columns are fixed above the battery main bodies, baffle plates are fixed on two sides of the base between the two battery main bodies, one side of the two battery main bodies opposite to each other is an S-shaped side wall, the interior of the battery main body is divided into an electrolysis cavity and a liquid storage cavity, a plurality of grid plates are fixed in the electrolysis cavity, a liquid injection pipe which is integrally formed with the battery main body is fixed in the liquid storage cavity, the top of the liquid injection pipe is sealed by a sealing cover in threaded connection with the liquid injection pipe, a heat dissipation cavity is formed between the two battery main bodies and the two baffle plates, a plurality of copper columns are vertically fixed on the base in the heat dissipation cavity, a copper plate with meshes is transversely fixed on the copper column in the middle position in the heat dissipation cavity, heat dissipation silica gel is filled in the heat dissipation cavity, and a cover plate is, the cover plate is connected with the copper column through a bolt and then fixed above the battery main body, and a handle is further fixed on the cover plate.
2. A long-life lithium battery as claimed in claim 1, characterized in that: the bottom outlet of the liquid injection pipe is arranged at the bottom of the liquid storage cavity.
Priority Applications (1)
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CN202010752559.5A CN112018448B (en) | 2020-07-30 | 2020-07-30 | Long-life lithium battery |
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CN202010752559.5A CN112018448B (en) | 2020-07-30 | 2020-07-30 | Long-life lithium battery |
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CN112018448A true CN112018448A (en) | 2020-12-01 |
CN112018448B CN112018448B (en) | 2022-01-28 |
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Citations (10)
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---|---|---|---|---|
CN2569350Y (en) * | 2002-04-12 | 2003-08-27 | 李润新 | Accumulator liquid surface stability controller |
CN201229966Y (en) * | 2008-07-24 | 2009-04-29 | 寿国庆 | Accumulator |
CN102163735A (en) * | 2010-02-15 | 2011-08-24 | 夏普株式会社 | Secondary battery, solar power system, wind generator system and vehicle and manufacture method of the secondary battery |
CN103165940A (en) * | 2011-12-09 | 2013-06-19 | 乐荣工业股份有限公司 | Lithium battery core capable of automatically supplementing electrolyte solution |
US8568911B2 (en) * | 2008-09-30 | 2013-10-29 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Liquid electrolyte storage battery and method for filling |
CN206628564U (en) * | 2017-04-22 | 2017-11-10 | 江苏瑞澜光电科技有限公司 | A kind of combined type automobile lithium battery device |
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 |
CN207233891U (en) * | 2017-06-02 | 2018-04-13 | 武钰娟 | A kind of storage battery of vast capacity electrolyte storage |
CN109817850A (en) * | 2018-12-24 | 2019-05-28 | 中国电子科技集团公司第十八研究所 | Lithium ion battery and method |
CN110010815A (en) * | 2019-04-15 | 2019-07-12 | 余登峰 | A kind of new-energy automobile li-ion cell protection storehouse |
-
2020
- 2020-07-30 CN CN202010752559.5A patent/CN112018448B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2569350Y (en) * | 2002-04-12 | 2003-08-27 | 李润新 | Accumulator liquid surface stability controller |
CN201229966Y (en) * | 2008-07-24 | 2009-04-29 | 寿国庆 | Accumulator |
US8568911B2 (en) * | 2008-09-30 | 2013-10-29 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Liquid electrolyte storage battery and method for filling |
CN102163735A (en) * | 2010-02-15 | 2011-08-24 | 夏普株式会社 | Secondary battery, solar power system, wind generator system and vehicle and manufacture method of the secondary battery |
CN103165940A (en) * | 2011-12-09 | 2013-06-19 | 乐荣工业股份有限公司 | Lithium battery core capable of automatically supplementing electrolyte solution |
CN206628564U (en) * | 2017-04-22 | 2017-11-10 | 江苏瑞澜光电科技有限公司 | A kind of combined type automobile lithium battery device |
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 |
CN207233891U (en) * | 2017-06-02 | 2018-04-13 | 武钰娟 | A kind of storage battery of vast capacity electrolyte storage |
CN109817850A (en) * | 2018-12-24 | 2019-05-28 | 中国电子科技集团公司第十八研究所 | Lithium ion battery and method |
CN110010815A (en) * | 2019-04-15 | 2019-07-12 | 余登峰 | A kind of new-energy automobile li-ion cell protection storehouse |
Non-Patent Citations (1)
Title |
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葛瑞等: "锂离子动力电池热管理系统的关键技术", 《电源世界》 * |
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