CN107994295B - Power type lithium ion battery with heat dispersion performance - Google Patents

Power type lithium ion battery with heat dispersion performance Download PDF

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Publication number
CN107994295B
CN107994295B CN201711215053.5A CN201711215053A CN107994295B CN 107994295 B CN107994295 B CN 107994295B CN 201711215053 A CN201711215053 A CN 201711215053A CN 107994295 B CN107994295 B CN 107994295B
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China
Prior art keywords
battery
heat dissipation
silica gel
battery box
lithium ion
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CN201711215053.5A
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Chinese (zh)
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CN107994295A (en
Inventor
魏承炀
文浩
罗斌
谢达明
王荣峰
李启金
汪志杰
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GUANGDONG ZHAOQING QUALITY AND METROLOGY SUPERVISION & INSPECTION INSTITUTE
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GUANGDONG ZHAOQING QUALITY AND METROLOGY SUPERVISION & INSPECTION INSTITUTE
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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
    • 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
    • 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
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • 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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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention discloses a power type lithium ion battery with heat dissipation performance, and relates to the technical field of batteries; the lithium ion battery comprises a battery box body, a lithium ion battery, a battery lead-out terminal and a battery box cover; a lithium ion battery is arranged in the battery box body, the battery leading-out wiring terminals on the lithium ion battery are all arranged on the side wall of the battery box body in a penetrating way, and the top of the battery box body is detachably connected with a battery box cover; it also comprises a heat dissipation silica gel block and a heat dissipation silica gel column; the heat dissipation silica gel block is fixed at the bottom of the battery box cover, a plurality of heat dissipation silica gel columns are arranged at the bottom of the heat dissipation silica gel block, and the bottom ends of the plurality of heat dissipation silica gel columns are in contact with the surface of the lithium ion battery. The electric energy can be saved, meanwhile, the cooling and heat removal effects can be realized inside the power type lithium battery, the service life of the power type lithium battery is prolonged, and the practicability is stronger.

Description

Power type lithium ion battery with heat dispersion performance
Technical Field
The invention relates to the technical field of batteries, in particular to a power type lithium ion battery with heat dissipation performance.
Background
The lithium battery is a primary battery using lithium metal or lithium alloy as a negative electrode material and using a non-aqueous electrolyte solution, unlike a lithium ion battery, which is a rechargeable battery, and a lithium ion polymer battery. The inventor of lithium batteries was edison. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. Therefore, lithium batteries have not been used for a long time. With the development of microelectronic technology at the end of the twentieth century, miniaturized devices are increasing, and high requirements are made on power supplies. The lithium battery has then entered a large-scale practical stage.
The power battery is a power source for providing power source for tools, and is a storage battery for providing power for electric automobiles, electric trains, electric bicycles and golf carts. The heat of present power type battery gives off generally adopts radiator fan, and radiator fan not only needs the electric energy in the course of the work, and its self work also can produce the heat simultaneously, has increased the inside heat of power type lithium cell on the contrary, and the heat that produces in the course of the work if can't obtain good giving off, then can influence the life of battery, awaits urgent need to improve.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, and provides the power lithium ion battery with the heat dissipation performance, which is simple in structure, reasonable in design and convenient to use, not only can save electric energy, but also can realize the cooling and heat removal effects on the interior of the power lithium ion battery, is beneficial to prolonging the service life of the power lithium ion battery, and has stronger practicability.
In order to achieve the purpose, the invention adopts the technical scheme that: the lithium ion battery comprises a battery box body, a lithium ion battery, a battery lead-out terminal and a battery box cover; a lithium ion battery is arranged in the battery box body, the battery leading-out wiring terminals on the lithium ion battery are all arranged on the side wall of the battery box body in a penetrating way, and the top of the battery box body is detachably connected with a battery box cover; it also comprises a heat dissipation silica gel block and a heat dissipation silica gel column; the heat dissipation silica gel block is fixed at the bottom of the battery box cover, a plurality of heat dissipation silica gel columns are arranged at the bottom of the heat dissipation silica gel block, and the bottom ends of the plurality of heat dissipation silica gel columns are in contact with the surface of the lithium ion battery.
Furthermore, the four walls of the heat dissipation silica gel block are in contact with the inner wall of the battery box body.
Furthermore, the upper ends of the plurality of heat dissipation silica gel columns are inserted into the slots in the heat dissipation silica gel blocks.
Furthermore, four corners of the battery box cover are provided with through holes, and four corners of the battery box body are provided with bolt fixing holes; the battery box cover is fixedly connected with the battery box body through a bolt, and the bolt penetrates through the through hole and then is fixedly screwed with the bolt fixing hole.
Furthermore, a plurality of heat dissipation grooves are formed in the battery box cover.
Furthermore, the radiating grooves are fixedly connected with radiating fins.
The working principle of the invention is as follows: in the process of working or charging the battery, a plurality of heat dissipation silica gel columns contacted with the lithium ion battery rapidly conduct heat generated by the lithium ion battery to the heat dissipation silica gel blocks, and the heat is transmitted to the battery box cover through the heat dissipation silica gel blocks and is dissipated.
After adopting the structure, the invention has the beneficial effects that: the power lithium ion battery with the heat dissipation performance can save electric energy, can realize cooling and heat removal effects on the interior of the power lithium ion battery, is beneficial to prolonging the service life of the power lithium ion battery, and has stronger practicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of the present invention.
Fig. 2 is a schematic structural view of a battery case cover according to the present invention.
Fig. 3 is a sectional view showing the structure of the heat-dissipating silica gel block and the heat-dissipating silica gel column of the present invention.
Description of reference numerals:
the battery box comprises a battery box body 1, a lithium ion battery 2, a battery lead-out terminal 3, a battery box cover 4, a bolt fixing hole 5, a through hole 6, a heat dissipation silica gel block 7, a heat dissipation silica gel column 8, a heat dissipation groove 9, a heat dissipation fin 10 and a slot 11.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1 to fig. 3, the technical solution adopted by the present embodiment is: the lithium ion battery comprises a battery box body 1, a lithium ion battery 2, a battery lead-out terminal 3 and a battery box cover 4; a lithium ion battery 2 is arranged in the battery box body 1, the battery leading-out wiring terminals 3 on the lithium ion battery 2 are all arranged on the side wall of the battery box body 1 in a penetrating way, and the top of the battery box body 1 is detachably connected with a battery box cover 4; it also comprises a heat dissipation silica gel block 7 and a heat dissipation silica gel column 8; the heat dissipation silica gel block 7 is fixed at the bottom of the battery box cover 4, the bottom of the heat dissipation silica gel block 7 is provided with a plurality of heat dissipation silica gel columns 8, and the bottom ends of the plurality of heat dissipation silica gel columns 8 are in contact with the surface of the lithium ion battery 2.
Further, the thickness of the heat dissipation silica gel block 7 is 10-15 mm.
Further, the battery box cover 4 is a metal battery box cover.
Furthermore, the four walls of the heat dissipation silica gel block 7 are in contact with the inner wall of the battery box body 1.
Furthermore, the upper ends of the plurality of heat dissipation silica gel columns 8 are all inserted into the slots 11 in the heat dissipation silica gel blocks 7.
Furthermore, the four corners of the battery box cover 4 are provided with through holes 6, and the four corners of the battery box body 1 are provided with bolt fixing holes 5; the battery box cover 4 is fixedly connected with the battery box body 1 through a bolt, and the bolt penetrates through the through hole 6 and then is screwed and fixed with the bolt fixing hole 5.
Furthermore, a plurality of heat dissipation grooves 9 are formed in the battery box cover 4.
Furthermore, a heat sink 10 is welded and fixed on the heat sink 9, and the heat sink 10 is a corrugated heat sink.
The working principle of the invention is as follows: in the process of working or charging the battery, a plurality of heat dissipation silica gel columns 8 in contact with the lithium ion battery 2 quickly conduct heat generated by the lithium ion battery 2 to the heat dissipation silica gel block 7, the heat dissipation silica gel block 7 is transmitted to the battery box cover 4 and dissipated, the heat dissipation silica gel columns 8 are inserted into the heat dissipation silica gel block 7, the length of the heat dissipation silica gel columns 8 can be adjusted, the heat dissipation silica gel columns are more convenient to mount and dissipate heat of lithium ion batteries with different sizes, the heat dissipation grooves 9 are more beneficial to the derivation of internal heat, and the heat dissipation grooves 9 are connected with corrugated heat dissipation fins to further dissipate the heat; the whole process does not need to use a cooling fan, the production of the working heat of the cooling fan is avoided, and meanwhile, the effect of saving electricity is achieved.
After adopting the structure, the invention has the beneficial effects that: the power lithium ion battery with the heat dissipation performance can save electric energy, can realize cooling and heat removal effects on the interior of the power lithium ion battery, is beneficial to prolonging the service life of the power lithium ion battery, and has stronger practicability.
The second embodiment is as follows:
all design the mode of structure for battery box cover 2 with the bottom plate of battery box body 1 and the curb plate of perisporium among this embodiment, be about to fix on bottom plate and curb plate (not shown in the figure) after heat dissipation silica gel piece 7 and heat dissipation silica gel column 8 combine, weld bottom plate and curb plate into a battery box body finally, in this embodiment, lithium ion battery 2 is inside battery box body 1 through the mount fixed mounting of welding at battery box body 1 inner wall, this embodiment can dispel the heat comprehensively to lithium ion battery 2's surface.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (1)

1. The utility model provides a power type lithium ion battery with heat dispersion which characterized in that: the lithium ion battery comprises a battery box body, a lithium ion battery, a battery lead-out terminal and a battery box cover; a lithium ion battery is arranged in the battery box body, two battery lead-out wiring terminals on the lithium ion battery are arranged on the side wall of the battery box body in a penetrating manner, and the top of the battery box body is detachably connected with a battery box cover; it also comprises a heat dissipation silica gel block and a heat dissipation silica gel column; the heat dissipation silica gel block is fixed at the bottom of the battery box cover, a plurality of heat dissipation silica gel columns are arranged at the bottom of the heat dissipation silica gel block, and the bottom ends of the plurality of heat dissipation silica gel columns are in contact with the surface of the lithium ion battery; the four walls of the heat dissipation silica gel block are in contact with the inner wall of the battery box body; the upper ends of the plurality of heat-radiating silica gel columns are inserted into the slots in the heat-radiating silica gel blocks; the four corners of the battery box cover are provided with through holes, and the four corners of the battery box body are provided with bolt fixing holes; the battery box cover is fixedly connected with the battery box body through a bolt, and the bolt penetrates through the through hole and is then screwed and fixed with the bolt fixing hole; the battery box cover is provided with a plurality of heat dissipation grooves; the radiating grooves are fixedly connected with radiating fins.
CN201711215053.5A 2017-11-28 2017-11-28 Power type lithium ion battery with heat dispersion performance Active CN107994295B (en)

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Application Number Priority Date Filing Date Title
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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108735941A (en) * 2018-05-31 2018-11-02 合肥国轩高科动力能源有限公司 A kind of novel soft package battery modular structure
CN111682282B (en) * 2020-05-27 2023-08-08 风帆（扬州）有限责任公司 High-efficient heat dissipation battery
CN111682139A (en) * 2020-06-19 2020-09-18 风帆（扬州）有限责任公司 High-strength power energy storage battery

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104251477A (en) * 2013-06-28 2014-12-31 常州市金迪车辆部件有限公司 Automobile lamp
CN204793065U (en) * 2015-07-06 2015-11-18 东莞壹凌电子科技有限公司 Intelligence ware high temperature high magnification polymer lithium cell device of taking photo by plane
CN205992578U (en) * 2016-09-21 2017-03-01 宁波利维能储能系统有限公司 Have the battery bag of heating and heat sinking function concurrently
CN106784473A (en) * 2016-12-22 2017-05-31 泰州久诺杰电子科技有限公司 A kind of accurate battery pack heat-dissipating casing
CN206532847U (en) * 2017-03-15 2017-09-29 山东科技大学 A kind of air cooling equipment for adjusting power battery of pure electric automobile bag temperature

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203707212U (en) * 2014-01-21 2014-07-09 周昕悦 Li-ion battery pack

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104251477A (en) * 2013-06-28 2014-12-31 常州市金迪车辆部件有限公司 Automobile lamp
CN204793065U (en) * 2015-07-06 2015-11-18 东莞壹凌电子科技有限公司 Intelligence ware high temperature high magnification polymer lithium cell device of taking photo by plane
CN205992578U (en) * 2016-09-21 2017-03-01 宁波利维能储能系统有限公司 Have the battery bag of heating and heat sinking function concurrently
CN106784473A (en) * 2016-12-22 2017-05-31 泰州久诺杰电子科技有限公司 A kind of accurate battery pack heat-dissipating casing
CN206532847U (en) * 2017-03-15 2017-09-29 山东科技大学 A kind of air cooling equipment for adjusting power battery of pure electric automobile bag temperature

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