CN208173748U - Rapid cooling lithium battery - Google Patents
Rapid cooling lithium battery Download PDFInfo
- Publication number
- CN208173748U CN208173748U CN201820691687.1U CN201820691687U CN208173748U CN 208173748 U CN208173748 U CN 208173748U CN 201820691687 U CN201820691687 U CN 201820691687U CN 208173748 U CN208173748 U CN 208173748U
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- CN
- China
- Prior art keywords
- lithium battery
- rapid cooling
- inner protective
- protective layer
- heat dissipating
- 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
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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
-
- 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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Abstract
The utility model discloses a kind of rapid cooling lithium batteries; including shell, the battery core of nut cap and setting inside the housing; nut cap is set to shell one end; nut cap is connect with battery core by tab; shell includes inner protective layer and outer heat dissipating layer; inner protective layer is located on the inside of outer heat dissipating layer; closed toroidal cavity is formed between inner protective layer and outer heat dissipating layer; coolant liquid is filled in toroidal cavity; outer heat dissipating layer includes annular groove and annular protrusion; annular groove is recessed towards inner protective layer direction, and annular protrusion is protruded towards far from internal protective cover direction.Rapid cooling lithium battery provided by the utility model; the heat of lithium battery interior is absorbed by inner protective layer by coolant liquid; prevent lithium battery excessively high in internal temperature; the heat that coolant liquid is absorbed with outer heat dissipating layer by radiating; it avoids because COOLANT TEMPERATURE can not absorb the heat of lithium battery; making lithium battery, the excessively high initiation air pressure inside of temperature rises during the work time, influences the working condition of lithium battery.
Description
Technical field
The utility model relates to lithium battery manufacturing technology fields, specifically, being related to a kind of rapid cooling lithium battery.
Background technique
Lithium ion secondary battery (abbreviation lithium battery) has small in size, light weight, operating voltage height, energy height, circulation longevity
Life is long and pollutes the features such as small, is the ideal energy of future development, is applied in more and more fields.But lithium battery exists
It is serious that there are fevers in use process, when the shell heat dissipation effect of lithium battery is undesirable, is easy to appear lithium battery interior air pressure
It increases, when air pressure inside is more than explosion critical point, battery will explode, to cause casualties.Therefore it is using
It is needed in the process in view of radiating to lithium battery.
Chinese Patent Application No. is CN201620459612.1, and entitled " a kind of heat-dissipating type lithium battery " discloses a kind of dissipate
Heat type lithium battery, the lid including square shell open at one end and closing square shell, the square shell are equipped with the first chamber
Room and second chamber, first chamber built-in lithium battery battery core, second chamber accommodate cooled material, and by a seal cap sealing；Lithium electricity
Battery core nearly lid one end in pond is equipped with anode ear and negative electrode lug；Cathode output end and cathode output end, institute are equipped on the outside of the lid
It states anode ear to be connected with cathode output end, negative electrode lug is connected with cathode output end.Envelope has cooling in the utility model second chamber
Object, in charge and discharge, the heat major part cooled object of generation absorbs lithium battery, is conducive to heat dissipation of lithium battery, works as battery temperature
The heat of absorption is conducted by cooled material again through square shell after reduction and is dissipated, the dissipation of lithium battery heat itself is conducive to,
To be unlikely to have an adverse effect to lithium battery itself and its ambient electron component.
Above structure in use, cooled material is equipped in second chamber, is being worked by cooled material lithium battery
Generated heat is absorbed in the process, and the heat of cooled material is radiated by battery case.In above structure not
Existing li battery shell is improved, cooled material is made to can be carried out rapid cooling, so as to cause when lithium battery continues working,
When the heat of cooled material can not quickly be radiated, will lead to cooled material can not absorb heat caused by lithium battery, to reach
Less than required heat dissipation effect, cause lithium battery that can not carry out exothermic temperature raising.
Utility model content
The purpose of this utility model is to provide a kind of rapid cooling lithium batteries, can be in the lithium battery course of work, to lithium
The heat that inside battery generates carries out rapid cooling.
Technical solution used by rapid cooling lithium battery disclosed by the utility model is：A kind of rapid cooling lithium battery,
Including shell, the battery core of nut cap and setting inside the housing, the nut cap is set to shell one end, and the nut cap and battery core are logical
Tab to be crossed to be attached, the shell includes inner protective layer and outer heat dissipating layer, and the inner protective layer is located at the inside of outer heat dissipating layer,
The cavity of closed ring is formed between the inner protective layer and outer heat dissipating layer, is filled with coolant liquid, institute inside the toroidal cavity
Stating outer heat dissipating layer includes annular groove and annular protrusion, and the annular groove is recessed towards inner protective layer direction, the annular protrusion
It is protruded towards far from internal protective cover direction.
Preferably, the annular groove and annular protrusion are arranged at interval.
Preferably, the inner protective layer is equipped with the thermally conductive sheet of several annulars close to outer heat dissipating layer side.
Preferably, the thermally conductive sheet surface is equipped with thermally conductive branch piece.
Preferably, the thermally conductive sheet is correspondingly arranged in the boss of annular protrusion.
Preferably, the shape of the shell is cylinder.
The beneficial effect of rapid cooling lithium battery disclosed by the utility model is：When lithium battery at work, inside generate
Heat be absorbed by the cooling fluid by inner protective layer, so that lithium battery is achieved the effect that rapid cooling, prevent lithium battery in work
Internal temperature is excessively high when making, and the heat that coolant liquid is absorbed carries out rapid cooling by the outer heat dissipating layer contacted with the external world again, outside
Heat dissipating layer includes that annular groove and annular protrusion can faster be radiated the heat of coolant liquid by the external world, to prevent in lithium
In the battery last course of work, since COOLANT TEMPERATURE can not absorb the heat of lithium battery interior production, lithium battery is made to exist
Course of work medium temperature is spent the high air pressure inside that causes and is risen, and the fortuitous events such as explosion are caused.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model rapid cooling lithium battery.
Specific embodiment
The utility model is further elaborated and is illustrated with Figure of description combined with specific embodiments below：Please refer to figure
1, a kind of rapid cooling lithium battery, including shell 10, the battery core 30 of nut cap 20 and setting inside the housing, the shape of shell 10
For cylinder, nut cap 20 is set to 10 one end of shell, and nut cap 20 is attached with battery core 30 by tab 21.
Shell 10 includes inner protective layer 11 and outer heat dissipating layer 12, and inner protective layer 11 is located at the inside of outer heat dissipating layer 12, interior guarantor
Closed toroidal cavity is formed between sheath 11 and outer heat dissipating layer 12, is filled with coolant liquid 40, coolant liquid 40 inside toroidal cavity
Can be to lithium battery at work, heat caused by lithium battery interior is absorbed, and lithium battery is enable to reach the effect of rapid cooling
Fruit improves the working efficiency of lithium battery to reduce the temperature of lithium battery interior, and the heat of coolant liquid 40 passes through outer heat dissipation again
Layer 12 radiates, and coolant liquid 40 is avoided to be always held at higher temperature.
Outer heat dissipating layer 12 includes annular groove 122 and annular protrusion 121, and annular groove 122 is recessed towards 11 direction of inner protective layer
It falls into, annular protrusion 121 is protruded towards far from 11 direction of internal protective cover, and annular groove 122 and annular protrusion 122 are arranged at interval, is increased
Big outer heat dissipating layer 12 and extraneous contact area, expand the heat dissipation area of outer heat dissipating layer 12, are more advantageous to outer heat dissipating layer 12
It radiates, is prevented during lithium battery continues working to coolant liquid 40, lithium can not be absorbed since 40 temperature of coolant liquid is excessively high
The heat of inside battery production, making lithium battery, the excessively high initiation air pressure inside of temperature rises during the work time, leads to the meaning such as explosion
Outer situation.
In above scheme, inner protective layer 11 is equipped with the thermally conductive sheet 111 of several annulars close to outer 12 side of heat dissipating layer, and leads
111 surface of backing is equipped with thermally conductive branch piece（It is not shown）, the contact area of inner protective layer 11 Yu coolant liquid 40 is increased, by thermally conductive
Branch piece further increases the contact area of thermally conductive sheet 111 Yu coolant liquid 40, can quickly import the heat of inside battery
Into coolant liquid 40, achieve the effect that rapid cooling, thermally conductive sheet 111 are correspondingly arranged in the boss of annular protrusion 121, favorably
In the heat that thermally conductive sheet 111 gives coolant liquid 40 to absorb, radiated by the boss and the external world of annular protrusion 121.
The utility model provides a kind of rapid cooling lithium battery：When lithium battery at work, the heat that inside generates is logical
It crosses inner protective layer to be absorbed by the cooling fluid, lithium battery is enable to achieve the effect that rapid cooling, prevent lithium battery internal at work
Temperature is excessively high, and the heat that coolant liquid is absorbed carries out rapid cooling, outer heat dissipating layer packet by the outer heat dissipating layer contacted with the external world again
Including annular groove and annular protrusion can faster be radiated the heat of coolant liquid by the external world, to prevent from continuing in lithium battery
In the course of work, since COOLANT TEMPERATURE can not absorb the heat of lithium battery interior production, make lithium battery in the course of work
Medium temperature is spent the high air pressure inside that causes and is risen, and the fortuitous events such as explosion are caused.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than to this reality
With the limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, this field it is general
Lead to it will be appreciated by the skilled person that can be with the technical solution of the present invention is modified or equivalently replaced, without departing from this
The spirit and scope of utility model technical solution.
Claims (6)
1. a kind of rapid cooling lithium battery, including shell, the battery core of nut cap and setting inside the housing, the nut cap is set to
Shell one end, the nut cap and battery core are attached by tab, which is characterized in that the shell include inner protective layer and it is outer dissipate
Thermosphere, the inner protective layer are located on the inside of outer heat dissipating layer, and it is empty that closed annular is formed between the inner protective layer and outer heat dissipating layer
Chamber, the toroidal cavity inside are filled with coolant liquid, and the outer heat dissipating layer includes annular groove and annular protrusion, and the annular is recessed
Slot is recessed towards inner protective layer direction, and the annular protrusion is protruded towards far from internal protective cover direction.
2. rapid cooling lithium battery as described in claim 1, which is characterized in that the annular groove and annular protrusion are at interval
Setting.
3. rapid cooling lithium battery as described in claim 1, which is characterized in that the inner protective layer is close to outer heat dissipating layer side
Thermally conductive sheet equipped with several annulars.
4. rapid cooling lithium battery as claimed in claim 3, which is characterized in that the thermally conductive sheet surface is equipped with thermally conductive branch piece.
5. rapid cooling lithium battery as claimed in claim 4, which is characterized in that the thermally conductive sheet is correspondingly arranged in annular protrusion
Boss.
6. rapid cooling lithium battery as described in any one in claim 1-5, which is characterized in that the shape of the shell is cylinder
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820691687.1U CN208173748U (en) | 2018-05-10 | 2018-05-10 | Rapid cooling lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820691687.1U CN208173748U (en) | 2018-05-10 | 2018-05-10 | Rapid cooling lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208173748U true CN208173748U (en) | 2018-11-30 |
Family
ID=64366558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820691687.1U Expired - Fee Related CN208173748U (en) | 2018-05-10 | 2018-05-10 | Rapid cooling lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208173748U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429345A (en) * | 2019-08-05 | 2019-11-08 | 安徽相源新能源有限公司 | A kind of polymer lithium battery core and its manufacturing method |
| CN111129363A (en) * | 2019-12-09 | 2020-05-08 | 金山电化工业（惠州）有限公司 | High-temperature-resistant novel ammonium chloride battery |
| CN111244529A (en) * | 2020-03-13 | 2020-06-05 | 南通耐维特电源有限公司 | Quick radiating lithium cell structure |
| CN111769233A (en) * | 2020-07-16 | 2020-10-13 | 北京诺飞新能源科技有限责任公司 | Aluminum alloy battery box for electric vehicle |
-
2018
- 2018-05-10 CN CN201820691687.1U patent/CN208173748U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429345A (en) * | 2019-08-05 | 2019-11-08 | 安徽相源新能源有限公司 | A kind of polymer lithium battery core and its manufacturing method |
| CN111129363A (en) * | 2019-12-09 | 2020-05-08 | 金山电化工业（惠州）有限公司 | High-temperature-resistant novel ammonium chloride battery |
| CN111244529A (en) * | 2020-03-13 | 2020-06-05 | 南通耐维特电源有限公司 | Quick radiating lithium cell structure |
| CN111769233A (en) * | 2020-07-16 | 2020-10-13 | 北京诺飞新能源科技有限责任公司 | Aluminum alloy battery box for electric vehicle |
| CN111769233B (en) * | 2020-07-16 | 2022-11-08 | 北京诺飞新能源科技有限责任公司 | Aluminum alloy battery box for electric vehicle |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 Termination date: 20210510 |