CN208460808U - High-capacity industrial lithium ion battery - Google Patents
High-capacity industrial lithium ion battery Download PDFInfo
- Publication number
- CN208460808U CN208460808U CN201820939380.9U CN201820939380U CN208460808U CN 208460808 U CN208460808 U CN 208460808U CN 201820939380 U CN201820939380 U CN 201820939380U CN 208460808 U CN208460808 U CN 208460808U
- Authority
- CN
- China
- Prior art keywords
- battery
- battery case
- lithium ion
- electrolyte
- heat dissipation
- 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.)
- Expired - Fee Related
Links
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 34
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000003792 electrolyte Substances 0.000 claims abstract description 22
- 230000017525 heat dissipation Effects 0.000 claims abstract description 19
- 239000003063 flame retardant Substances 0.000 claims abstract description 16
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims description 21
- 239000004519 grease Substances 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 3
- 238000004880 explosion Methods 0.000 abstract description 6
- 238000002485 combustion reaction Methods 0.000 abstract description 5
- 238000012546 transfer Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model discloses a kind of high-capacity industrial lithium ion batteries, including battery body and the shell being socketed on battery body, battery body includes electrode tip, electrolyte and electrolyte membrance, shell includes diaphragm, flame retardant layer, interior heat dissipation film, battery case, safety valve and outer heat dissipation film, the center of battery body is arranged in electrolyte, the outside of electrolyte is enclosed with diaphragm, electrolyte membrance is vertically arranged in the middle part of battery body, interior heat dissipation film is coated in the interior surface of battery case, outer heat dissipation film is coated on the outer surface of battery case, flame retardant layer is filled between battery case and diaphragm, the top of battery case is arranged in safety valve, two electrode tips of battery body are located at the top of the battery case of safety valve two sides.High-capacity industrial lithium ion battery provided by the utility model can effectively reduce internal temperature of battery, and effectively be completely cut off for the internal combustion situation of battery, avoid the generation of explosion, life and property is made to be protected.
Description
Technical field
The utility model relates to high-capacity industrial lithium ion batteries, belong to technical field of lithium ion.
Background technique
With the development of science and technology the demand to the energy is more and more urgent, the energy that traditional industry provides is not able to satisfy the mankind
Long-run development needs, and there are a large amount of pollution problems for traditional energy, endanger people's health, the environmental type energy becomes main
Research and develop object, the advantages that lithium ion battery is because of its nontoxic, pollution-free, output power and long service life by extensive concern, newly
The research and development of energy automobile and being constantly progressive for technology, so that the capacity and security performance to lithium ion battery propose higher want
It asks, the research of high-capacity industrial lithium ion battery has obtained marked improvement at present, and it is able to satisfy power and stablizes conveying within long-term,
But with the promotion of capacity of lithium ion battery, safety problem is more difficult to control, therefore improves high-capacity industrial lithium ion battery
Security performance it is particularly important.Temperature is excessively high at runtime for current some high capacity lithium ion batteries, hazard of catch fire occurs, even
In the possibility that there is explosion, it is therefore desirable to provide a kind of security performance more preferably high-capacity industrial lithium ion battery.
Summary of the invention
To solve the deficiencies in the prior art, the utility model provides high-capacity industrial lithium ion battery, heat dissipation film and thermally conductive
The heat that silicone grease enables inside lithium ion cell to generate effectively is transmitted in external environment, to avoid the occurrence of hazard of catch fire in turn
Caused hidden peril of explosion arrives inside lithium ion cell for fire retardant as inside composition setting, so that battery encounters resistance in burning
It can not continue to expand combustion range after combustion agent, reduce explosion danger.
The technology employed by the present utility model is
High-capacity industrial lithium ion battery, including battery body and the shell being socketed on battery body, battery body packet
Include electrode tip, electrolyte and electrolyte membrance, shell include diaphragm, flame retardant layer, interior heat dissipation film, battery case, safety valve and
The center of battery body is arranged in outer heat dissipation film, electrolyte, and the outside of electrolyte is enclosed with diaphragm, and electrolyte membrance is vertically arranged
At the middle part of battery body, interior heat dissipation film is coated in the interior surface of battery case, and outer heat dissipation film is coated in battery case
On outer surface, flame retardant layer is filled between battery case and diaphragm, and the top of battery case, battery sheet is arranged in safety valve
Two electrode tips of body are located at the top of the battery case of safety valve two sides.
Preferably, electrode tip is internally provided with PTC overcurrent protection piece.
Further preferably battery case is externally formed with several cooling fins, is filled with heat-conducting silicone grease inside cooling fin,
Heat-conducting silicone grease can be effectively by the heat transfer to cooling fin of inside battery, and then transfers heat in air, to electricity
Pond cools down.
Further preferably fin length is the half of the height of battery case, and top-and-bottom spaced is interspersed
On battery case, battery case and air contact area are increased, the heat transfer that quickly inside can be generated is into air.
It is further preferably, cooling fin with a thickness of 2-5mm, width 1-2cm, and the spacing between cooling fin is 2-
4cm。
It is further preferably, battery case with a thickness of 5-8mm.
It is further preferably, flame retardant layer with a thickness of 2-5mm.
The utility model has the beneficial effects that:
The flame retardant layer of inside lithium ion cell filling can when there is short-circuit internal combustion in battery effectively to burning carry out every
It absolutely and interrupts, avoids occurring further burning and explosion danger, interior heat dissipating layer can be rapidly by high-capacity industrial lithium-ion electrics
Heat transfer inside pond forms several top-and-bottom spaced staggered cooling fins at battery case outside battery case,
And heat-conducting silicone grease is filled with inside cooling fin, the significantly more efficient heat transfer by high-capacity industrial inside lithium ion cell of energy arrives
In air, to realize the cooling to high-capacity industrial lithium ion battery, safety guarantee is provided for the use of battery, is reduced
Accident rate, to reduce costs.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is battery case top view;
Fig. 3 is battery case side view;
Main appended drawing reference meaning is as follows in figure:
1, battery body, 2, electrode tip, 3, electrolyte, 4, electrolyte membrance, 5, diaphragm, 6, flame retardant layer, 7, interior heat dissipation
Film, 8, battery case, 9, safety valve, 10, outer heat dissipation film.
Specific embodiment
Specific introduction is done to the utility model with reference to the accompanying drawings and examples.
It is as shown in Figs. 1-3: high-capacity industrial lithium ion battery, including battery body 1 and the shell being socketed on battery body 1
Body, battery body 1 include electrode tip 2, electrolyte 3 and electrolyte membrance 4, and shell includes diaphragm 5, flame retardant layer 6, interior heat dissipation film
7, the center of battery body 1, the external packet of electrolyte 3 is arranged in battery case 8, safety valve 9 and outer heat dissipation film 10, electrolyte 3
It is wrapped with diaphragm 5, electrolyte membrance 4 is vertically arranged in the middle part of battery body 1, and interior heat dissipation film 7 is coated in the inside of battery case 8
On surface, outer heat dissipation film 10 is coated on the outer surface of battery case 8, and flame retardant layer 6 is filled in battery case 8 and diaphragm 5
Between, the top of battery case 8 is arranged in safety valve 9, and two electrode tips 2 of battery body 1 are located at 9 two sides of safety valve
The top of battery case 8, electrode tip 2 are internally provided with PTC overcurrent protection piece, and battery case 1 is externally formed with several dissipate
Backing, cooling fin inside are filled with heat-conducting silicone grease, and fin length is the half of the height of battery case 1, and top-and-bottom spaced
It is interspersed on battery case 1.
In the present embodiment, cooling fin with a thickness of 2mm, width 1cm, and the spacing between cooling fin is 2cm, in reality
In, the thickness of cooling fin may be 3mm, 4mm or 5mm, and the width of cooling fin may be 1.5cm, 1.8cm or 2cm,
Spacing between cooling fin may be 2.5cm, 3cm or 4cm.
In the present embodiment, battery case 1 with a thickness of 5mm, in practical applications, the thickness of battery case 1 may be
6cm, 7cm or 8cm.
In the present embodiment, flame retardant layer 6 with a thickness of 2mm, in practical applications, the thickness of flame retardant layer 6 may be
3mm, 4mm or 5mm.
High-capacity industrial lithium ion battery short circuit can occur in battery in the flame retardant layer 6 of inside lithium ion cell filling
Effectively burning is completely cut off and interrupted when internal combustion, avoids occurring further burning and explosion danger, interior 7 energy of heat dissipating layer is fast
The heat transfer by high-capacity industrial inside lithium ion cell of speed is formed on several outside battery case 8 at battery case 8
The lower staggered cooling fin of compartment, and heat-conducting silicone grease is filled with inside cooling fin, it can be significantly more efficient by high-capacity industrial
The heat transfer of inside lithium ion cell is into air, so that the cooling to high-capacity industrial lithium ion battery is realized, for electricity
The use in pond provides safety guarantee, reduces accident rate, to reduce costs.
The above is only the preferred embodiment of the utility model patent, it is noted that for the general of the art
For logical technical staff, under the premise of not departing from the utility model patent principle, several improvements and modifications can also be made, this
A little improvements and modifications also should be regarded as the protection scope of the utility model patent.
Claims (7)
1. high-capacity industrial lithium ion battery, it is characterised in that: including battery body (1) and be socketed on battery body (1)
Shell, the battery body (1) include that electrode tip (2), electrolyte (3) and electrolyte membrance (4), the shell include diaphragm
(5), flame retardant layer (6), interior heat dissipation film (7), battery case (8), safety valve (9) and outer heat dissipation film (10), the electrolyte (3)
Center in battery body (1) is set, and the outside of electrolyte (3) is enclosed with diaphragm (5), and the electrolyte membrance (4) sets vertically
The middle part in battery body (1) is set, the interior heat dissipation film (7) is coated in the interior surface of battery case (8), the outer heat dissipation
Film (10) is coated on the outer surface of battery case (8), and the flame retardant layer (6) is filled in battery case (8) and diaphragm (5)
Between, the safety valve (9) is arranged on the top of battery case (8), and two electrode tips (2) of battery body (1) are located at
The top of the battery case (8) of safety valve (9) two sides.
2. high-capacity industrial lithium ion battery according to claim 1, which is characterized in that the electrode tip (2) it is interior
Portion is provided with PTC overcurrent protection piece.
3. high-capacity industrial lithium ion battery according to claim 1, which is characterized in that the battery case (8)
Several cooling fins are externally formed with, are filled with heat-conducting silicone grease inside cooling fin.
4. high-capacity industrial lithium ion battery according to claim 3, which is characterized in that the fin length is electricity
The half of the height of pond shell (8), and top-and-bottom spaced be interspersed on battery case (8).
5. high-capacity industrial lithium ion battery according to claim 3 or 4, which is characterized in that the thickness of the cooling fin
Degree is 2-5mm, width 1-2cm, and the spacing between cooling fin is 2-4cm.
6. high-capacity industrial lithium ion battery according to claim 1, which is characterized in that the battery case (8)
With a thickness of 5-8mm.
7. high-capacity industrial lithium ion battery according to claim 1, which is characterized in that the flame retardant layer (6)
With a thickness of 2-5mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820939380.9U CN208460808U (en) | 2018-06-19 | 2018-06-19 | High-capacity industrial lithium ion battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820939380.9U CN208460808U (en) | 2018-06-19 | 2018-06-19 | High-capacity industrial lithium ion battery |
Publications (1)
Publication Number | Publication Date |
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CN208460808U true CN208460808U (en) | 2019-02-01 |
Family
ID=65160078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201820939380.9U Expired - Fee Related CN208460808U (en) | 2018-06-19 | 2018-06-19 | High-capacity industrial lithium ion battery |
Country Status (1)
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CN (1) | CN208460808U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115207531A (en) * | 2022-08-24 | 2022-10-18 | 四川裕宁新能源材料有限公司 | Preparation method of flame-retardant battery |
-
2018
- 2018-06-19 CN CN201820939380.9U patent/CN208460808U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115207531A (en) * | 2022-08-24 | 2022-10-18 | 四川裕宁新能源材料有限公司 | Preparation method of flame-retardant battery |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190201 |