CN106785057B - A kind of compound formulation of high heat dissipation lithium ionic cell module - Google Patents
A kind of compound formulation of high heat dissipation lithium ionic cell module Download PDFInfo
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- CN106785057B CN106785057B CN201611096247.3A CN201611096247A CN106785057B CN 106785057 B CN106785057 B CN 106785057B CN 201611096247 A CN201611096247 A CN 201611096247A CN 106785057 B CN106785057 B CN 106785057B
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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
-
- 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
- H01M10/61—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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- 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
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/643—Cylindrical cells
-
- 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
-
- 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
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
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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
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- 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
-
- 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
A kind of compound formulation of high heat dissipation lithium ionic cell module, hollow annular sink is made of stainless steel internal layer and Al-alloy outer layer, the volume of stainless steel internal layer, which is subject to, can place several lithium ion batteries, it is that 5~50mm is enclosed with Al-alloy outer layer with stainless steel internal layer outer end interplanar distance, Al-alloy outer layer is made of side panel and bottom plate, several horizontal heat sink strips in different densities face are symmetrically etched with from the center of every plate side panel and bottom plate to both ends extension, the bottom end of side panel is equipped with water inlet pipe, the upper end of other side panel is equipped with outlet pipe, conducting resinl is filled in the gap of each lithium ion battery, the electrode column of connection sheet and each lithium ion battery is successively welded to the positive and negative anodes bus for forming the lithium ionic cell module using ultrasonic wave, the present invention has cooling velocity fast, temperature is uniform, effect is good, facilitate Advantage, Al-alloy not only can be improved heat dissipation effect, and it is light-weight, intensity is big, there is preferable heat dissipation performance and security performance.
Description
Technical field
The invention belongs to lithium ion battery applications technical fields more particularly to a kind of high heat dissipation lithium ionic cell modules
Compound formulation.
Background technique
Lithium ionic cell module is the important component of electrokinetic cell system, is widely used in electric car, bus
And the fields such as electric tool.Due to lithium ionic cell module will cause in the charge and discharge process of big multiplying power the calorific value of battery compared with
Big and its heat distribution is unbalanced, the reduced service life that will cause battery is used for a long time, and influence lithium ionic cell module
Security performance.
Chinese patent CN200969366Y discloses a kind of hybrid vehicle battery group of air-cooled forced heat radiation structure,
Although the heat dissipation performance of battery pack can be improved, effect is unobvious, while will cause the shaking of mould group in use, into
And cause security risk.
Chinese patent CN204230385 U discloses a kind of high thermal conductivity type lithium ionic cell module, which uses
Regular hexagon structure simultaneously combines water-cooling pattern to carry out module heat dissipating, has good thermal conductivity, insulating properties and electrical protection performance,
Be conducive to improve safety and the service life cycle of battery module and system, but there are between battery and battery in use process
Middle shaking causes security risk and its heat dissipation performance general.
Therefore developing the lithium ionic cell module that a kind of perfect heat-dissipating, security performance are high and energy density is high just seems
It is very necessary.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of compound formulation of high heat dissipation lithium ionic cell module, the production side
Method places lithium ionic cell module by the hollow annular sink for recycling interlayer with cooling water, in conjunction with the fixation of conducting resinl,
It can prevent from lithium ionic cell module from generating to loosen and cause security risk, the preferable heat dissipation performance of hollow annular sink can mention
The capacity of heat transmission of high-lithium ion battery module.
For achieving the above object, the present invention adopts the following technical scheme:
It is a kind of it is high heat dissipation lithium ionic cell module compound formulation, the compound formulation use water inlet pipe, outlet pipe, lithium from
Sub- battery, connection sheet, conducting resinl and hollow annular sink, it is characterized in that:
Hollow annular sink is square or rectangle and is made of stainless steel internal layer and Al-alloy outer layer, rectangular or long
The volume of the rectangular stainless steel internal layer, which is subject to, can place several lithium ion batteries, several lithium ion batteries be placed on it is described not
It is capable of forming the lithium ionic cell module of ordered series of numbers sum number row in rust steel internal layer, is 5 with stainless steel internal layer outer end interplanar distance
~50mm is enclosed with the Al-alloy outer layer, the upper end of the Al-alloy outer layer be folded inward be welded on it is described stainless
The Al-alloy outer layer and the stainless steel internal layer is collectively formed with cooling water circulation interlayer in steel internal layer upper surface
Hollow annular sink, the Al-alloy outer layer are made of four pieces of side panels and one piece of bottom plate, from every plate side panel and described
The center of bottom plate is symmetrically etched with several horizontal heat sink strips in different densities face to both ends extension, and in side, the bottom end of panel is equipped
Water inlet pipe, in the other side, the upper end of panel is equipped with outlet pipe, and the lithium ionic cell module is fitted into the stainless steel internal layer,
And conducting resinl is filled in the gap of each lithium ion battery, finally use ultrasonic wave by the electrode of connection sheet and each lithium ion battery
Column successively welds the positive and negative anodes bus for forming the lithium ionic cell module, the electrode column bonding area of each lithium ion battery
Control is in 1~16mm2。
The stainless steel strip thickness control that the stainless steel internal layer uses is in 5~50mm.
Above-mentioned conducting resinl is by weight ratio: 30~50 parts of ethenyl blocking straight-chain methyl phenyl polysiloxane, 10
~20 parts of organosiloxane, 10~20 parts of vinyl silicone oil, 1~5 part of cerium oxide, 1~5 part of aluminium oxide, 1~5 part
Titanium dioxide, 1~5 part of iron oxide, 1~5 part of aluminium nitride, 10~20 parts of hydrogeneous polysilazane, 10~20 parts contain
Hydrogen silicone resin, 10~20 parts of acetylene basic ring alcohol.
The horizontal heat sink strip in the different densities face refers to: when the horizontal heat sink strip width of bottom plate center is 1mm Shi Qixiang
The width of the horizontal heat sink strip of adjacent both ends extension should be greater than 1mm, and so on the horizontal heat sink strip of outermost end of both ends extension width
Degree reaches 10mm.
Above-mentioned connection sheet uses Al-alloy, and the Al-alloy that connection sheet and the Al-alloy outer layer use is pressed
Weight is: 85~90 parts of Al, 0.05~1.0 part of Fe, 0.02~0.06 part of Si, 7~8 parts of Mg, 3~4 parts
Zn, 0.5~1.0 part of Cu, 0.1~0.3 part of Mn, 0.1~0.3 part of Ti.
Due to using technical solution as described above, the present invention generates following good effect:
1, different the location of in hollow annular sink due to each lithium ion battery, heat distribution and heat dissipation performance
It is different, and several the horizontal heat sink strips for recycling and being etched with different densities face by cooling water can be mentioned from different aspect
The heat dissipation uniformity of high each lithium ion battery, so as to improving the heat dissipation uniformity of lithium ionic cell module.
2, the hollow annular sink with cooling water circulation interlayer, can not only fix lithium ionic cell module, Er Qieke
To improve its heat dissipation effect and the exothermic temperature of lithium ionic cell module made to reach uniform.
3, the present invention uses water cooling mode, have for opposite air cooling way cooling velocity is fast, temperature uniformly, effect
Good, the advantages that facilitating, while the heat dissipation effect of lithium ionic cell module not only can be improved using Al-alloy, and weight
Gently, intensity is big, has preferable heat dissipation performance and security performance.
4, using conducting resinl of the invention, lithium ionic cell module on the one hand can be made to obtain being fixed against because loosening is made
At security risk, on the other hand its capacity of heat transmission can be improved in preferable heat dissipation performance again.
Detailed description of the invention
Fig. 1 is structure schematic diagram of the invention；
Fig. 2 is shell mechanism simplified schematic diagram of the invention；
Fig. 3 is the heat sink strip structure schematic diagram of side panel in the present invention；
In above-mentioned figure: 1- water inlet pipe；2- outlet pipe；3- lithium ion cylinder battery；4- connection sheet；5- hollow annular sink；
6- side panel.
Specific embodiment
The present invention is a kind of compound formulation of high heat dissipation lithium ionic cell module.The present invention is realized by hollow annular sink
The water of lithium ion cylinder battery module is cooling, with cooling velocity is fast, temperature is uniform, effect is good, side for opposite air cooling way
Just the advantages that, makes it not only the heat dissipation effect of lithium ion cylinder battery module can be improved in conjunction with the use of Al-alloy, and
And have the characteristics that light-weight, intensity is big, is improved the heat dissipation performance of lithium ionic cell module and security performance.
In conjunction with Fig. 1-3, the present invention uses water inlet pipe 1, outlet pipe 2, lithium ion cylinder battery 3, connection sheet 4, conducting resinl
And hollow annular sink 5, lithium ion cylinder battery 3 often with 18650 cylindrical batteries, can also be other types of cylindrical battery.
Hollow annular sink is square or rectangle and is made of stainless steel internal layer and Al-alloy outer layer.It is described stainless
The stainless steel strip thickness control that steel internal layer uses is in 5~50mm, it is proposed that uses 304 stainless steels.Stainless steel described in rectangular or rectangle
The volume of internal layer, which is subject to, can place several lithium ion cylinder batteries, and several lithium ion cylinder batteries are placed in the stainless steel
The lithium ion cylinder battery module of ordered series of numbers sum number row is capable of forming in layer, with stainless steel internal layer outer end interplanar distance be 5~
50mm is enclosed with the Al-alloy outer layer, and the upper end of the Al-alloy outer layer, which is folded inward, is welded on the stainless steel
Internal layer upper surface makes the Al-alloy outer layer and the stainless steel internal layer that the sky with cooling water circulation interlayer be collectively formed
Heart annular tank, hollow annular sink are similar to rectangular or rectangle and " return " shape but upper end opening and lower end closed.
The Al-alloy outer layer is made of four pieces of side panels and one piece of bottom plate, from every plate side panel and the bottom plate
Hit exactly several horizontal heat sink strips that different densities face is symmetrically etched with to both ends extension, the horizontal heat sink strip in the different densities face
Refer to: when the horizontal heat sink strip width of bottom plate center is 1mm, the width of the horizontal heat sink strip of its adjacent both ends extension should be
2mm；Or the width of the horizontal heat sink strip of its adjacent both ends extension should be when the horizontal heat sink strip width of bottom plate center is 2mm
3mm, and so on the horizontal heat sink strip of outermost end that is extended according to the height of side panel and its both ends of the width of the bottom plate it
Width can achieve 10mm, the spacing of the horizontal heat sink strip of different in width be it is equal, pass through the setting of these horizontal heat sink strips
The heat dissipation of cooling water in hollow annular sink interlayer can be made quickly to be spread.
In side, the bottom end of panel is equipped with water inlet pipe, and in the other side, the upper end of panel is equipped with outlet pipe, by the lithium ion
Cylindrical battery module is fitted into the stainless steel internal layer, and fills conducting resinl in the gap of each lithium ion cylinder battery, described
Conducting resinl is by weight ratio: 30~50 parts of ethenyl blocking straight-chain methyl phenyl polysiloxane, 10~20 parts organic
Siloxanes, 10~20 parts of vinyl silicone oil, 1~5 part of cerium oxide, 1~5 part of aluminium oxide, 1~5 part of titanium dioxide, 1
~5 parts of iron oxide, 1~5 part of aluminium nitride, 10~20 parts of hydrogeneous polysilazane, 10~20 parts of hydrogeneous silicone resin, 10~
20 parts of acetylene basic ring alcohol.The conducting resinl can make each lithium ion battery obtain being fixed against because of safety caused by loosening
Hidden danger, furthermore its capacity of heat transmission can be improved in the heat dissipation performance of the conducting resinl again.
Finally the electrode column of connection sheet and each lithium ion battery is successively welded using ultrasonic wave and forms the lithium-ion electric
The electrode column bonding area of the positive and negative anodes bus of pond module, each lithium ion battery is controlled in 1~16mm2。
Above-mentioned connection sheet uses Al-alloy, and the Al-alloy that connection sheet and the Al-alloy outer layer use is pressed
Weight is: 85~90 parts of Al, 0.05~1.0 part of Fe, 0.02~0.06 part of Si, 7~8 parts of Mg, 3~4 parts
Zn, 0.5~1.0 part of Cu, 0.1~0.3 part of Mn, 0.1~0.3 part of Ti.
Although water cooling is a kind of common type of cooling, the present invention is recycled and is etched with by cooling water different close
Several horizontal heat sink strips in degree face can improve the heat dissipation uniformity of each lithium ion battery, so as to improving simultaneously from different aspect
The heat dissipation uniformity of lithium ionic cell module, this effect is it is clear that really a kind of perfect heat-dissipating of the invention, safety
The lithium ionic cell module that performance is high and energy density is high.
Claims (2)
1. it is a kind of it is high heat dissipation lithium ionic cell module compound formulation, the compound formulation use water inlet pipe (1), outlet pipe (2),
Lithium ion battery (3), connection sheet (4), conducting resinl and hollow annular sink (5), it is characterized in that:
Hollow annular sink (5) is square and is made of stainless steel internal layer and Al-alloy outer layer, rectangular stainless steel internal layer
Volume, which is subject to, can place several lithium ion batteries (3), and several lithium ion batteries (3) are placed on can in the stainless steel internal layer
The lithium ionic cell module for forming ordered series of numbers sum number row is that 5~50mm is wrapped up with stainless steel internal layer outer end interplanar distance
Al-alloy outer layer is stated, the upper end of the Al-alloy outer layer, which is folded inward, is welded on stainless steel internal layer upper surface,
Make the Al-alloy outer layer and the stainless steel internal layer that the hollow annular sink with cooling water circulation interlayer be collectively formed
(5), the Al-alloy outer layer is made of four pieces of side panels and one piece of bottom plate, from the center of every plate side panel and the bottom plate
Several horizontal heat sink strips in different densities face are symmetrically etched with to both ends extension, in side, the bottom end of panel is equipped with water inlet pipe (1),
In the other side, the upper end of panel is equipped with outlet pipe (2), and the lithium ionic cell module is fitted into the stainless steel internal layer, and
Conducting resinl is filled in the gap of each lithium ion battery (3), finally uses ultrasonic wave by connection sheet (4) and each lithium ion battery (3)
Electrode column successively weld the positive and negative anodes bus for forming the lithium ionic cell module, the electrode of each lithium ion battery (3)
Column bonding area is controlled in 1~16mm2, the stainless steel strip thickness control that the stainless steel internal layer uses is in 5~50mm；
Above-mentioned conducting resinl is by weight ratio: 30~50 parts of ethenyl blocking straight-chain methyl phenyl polysiloxane, 10~20
The organosiloxane of part, 10~20 parts of vinyl silicone oil, 1~5 part of cerium oxide, 1~5 part of aluminium oxide, the two of 1~5 part
Titanium oxide, 1~5 part of iron oxide, 1~5 part of aluminium nitride, 10~20 parts of hydrogeneous polysilazane, 10~20 parts of Silicon Containing Hydrogen
Resin, 10~20 parts of acetylene basic ring alcohol；
Connection sheet (4) uses Al-alloy, and the Al-alloy is by weight ratio: 85~90 parts of Al, 0.05~
1.0 parts of Fe, 0.02~0.06 part of Si, 7~8 parts of Mg, 3~4 parts of Zn, 0.5~1.0 part of Cu, 0.1~0.3 part
Mn, 0.1~0.3 part of Ti.
2. a kind of compound formulation of high heat dissipation lithium ionic cell module according to claim 1, it is characterized in that: the difference is close
The horizontal heat sink strip in degree face refers to: when the horizontal heat sink strip width of bottom plate center is 1mm, the level of its adjacent both ends extension dissipates
The width of hot item should be greater than 1mm, and so on the width of the horizontal heat sink strip of outermost end of both ends extension reach 10mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611096247.3A CN106785057B (en) | 2016-12-02 | 2016-12-02 | A kind of compound formulation of high heat dissipation lithium ionic cell module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611096247.3A CN106785057B (en) | 2016-12-02 | 2016-12-02 | A kind of compound formulation of high heat dissipation lithium ionic cell module |
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| CN106785057A CN106785057A (en) | 2017-05-31 |
| CN106785057B true CN106785057B (en) | 2019-03-29 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110190221B (en) | 2019-05-14 | 2020-09-04 | 宁德时代新能源科技股份有限公司 | Battery module and battery pack |
| CN116315292B (en) * | 2023-05-24 | 2023-08-04 | 江西交通职业技术学院 | Power battery of electric automobile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200986064Y (en) * | 2006-12-15 | 2007-12-05 | 成都凯撒铝业有限公司 | Stainless steel composite tube |
| CN103411044A (en) * | 2013-07-31 | 2013-11-27 | 张家港迪威高压管件有限公司 | Sandwich high-pressure pipe |
| CN105845967A (en) * | 2016-04-05 | 2016-08-10 | 洛阳月星新能源科技有限公司 | Radiating type lithium ion battery module |
| CN105914320A (en) * | 2016-07-04 | 2016-08-31 | 河南森源重工有限公司 | Cylindrical battery module for electric automobile |
-
2016
- 2016-12-02 CN CN201611096247.3A patent/CN106785057B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200986064Y (en) * | 2006-12-15 | 2007-12-05 | 成都凯撒铝业有限公司 | Stainless steel composite tube |
| CN103411044A (en) * | 2013-07-31 | 2013-11-27 | 张家港迪威高压管件有限公司 | Sandwich high-pressure pipe |
| CN105845967A (en) * | 2016-04-05 | 2016-08-10 | 洛阳月星新能源科技有限公司 | Radiating type lithium ion battery module |
| CN105914320A (en) * | 2016-07-04 | 2016-08-31 | 河南森源重工有限公司 | Cylindrical battery module for electric automobile |
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| CN106785057A (en) | 2017-05-31 |
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