CN107501954A - Heat Conduction Material, battery bag and electric automobile - Google Patents
Heat Conduction Material, battery bag and electric automobile Download PDFInfo
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- CN107501954A CN107501954A CN201710732323.3A CN201710732323A CN107501954A CN 107501954 A CN107501954 A CN 107501954A CN 201710732323 A CN201710732323 A CN 201710732323A CN 107501954 A CN107501954 A CN 107501954A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
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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
- H01M10/655—Solid structures for heat exchange or heat conduction
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/382—Boron-containing compounds and nitrogen
- C08K2003/385—Binary compounds of nitrogen with boron
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
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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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- Manufacturing & Machinery (AREA)
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Abstract
The present invention disclose a kind of Heat Conduction Material, using the Heat Conduction Material battery bag and apply the battery bag electric automobile, wherein, the Heat Conduction Material count in parts by weight containing：100 parts of vinylsiloxane rubber；0.5 part~3 parts of vulcanizing agent；0.3 part~1 part of catalyst；0.1 part~0.4 part of inhibitor；100 parts~300 parts of aluminium-hydroxide powder；20 parts~100 parts of heat filling；The heat filling includes at least one of ceramic hollow microballon and boron nitride powder.Technical scheme can provide a kind of low-density, the Heat Conduction Material of high thermal conductivity coefficient.
Description
Technical field
The present invention relates to heat-conducting interface material technical field, more particularly to a kind of Heat Conduction Material used for electric vehicle, using this
The electric automobile of the battery bag and application of the Heat Conduction Material battery bag.
Background technology
Progressively risen with development, electric automobile with advances in technology.In order to solve the radiating of battery bag in electric automobile
Problem, generally heat-conducting pad largely can be used in battery bag, so as to cause the increase of electric automobile gross weight, cause electronic vapour
The distance travelled that car once charges is reduced, namely causes the increase of every kilometer of power consumption of electric automobile.Therefore, manufacture and design a kind of low
Density, the Heat Conduction Material of high thermal conductivity coefficient are significant for electric automobile industry.
The content of the invention
The main object of the present invention is to provide a kind of Heat Conduction Material, it is desirable to provide a kind of low-density, high thermal conductivity coefficient are led
Hot material.
To achieve the above object, Heat Conduction Material proposed by the present invention count in parts by weight containing：
100 parts of vinylsiloxane rubber；
0.5 part~3 parts of vulcanizing agent；
0.3 part~1 part of catalyst；
0.1 part~0.4 part of inhibitor；
100 parts~300 parts of aluminium-hydroxide powder；
20 parts~100 parts of heat filling；
The heat filling includes at least one of ceramic hollow microballon and boron nitride powder.
Alternatively, the mass content of aluminum oxide is not less than 26% in the ceramic hollow microballon.
Alternatively, the particle size range of the ceramic hollow microballon is 5 microns~1000 microns.
Alternatively, the mass content of boron nitride is not less than 90% in the boron nitride powder.
Alternatively, the particle size range of the boron nitride powder is 1 micron~30 microns.
Alternatively, the vinylsiloxane rubber is end-vinyl dimethyl silicone polymer, the end-vinyl poly dimethyl
The relative molecular mass of siloxanes is 50,000~700,000.
Alternatively, the vulcanizing agent is Methyl Hydrogen Polysiloxane Fluid.
Alternatively, the particle size range of the aluminium-hydroxide powder is 5 microns~50 microns.
Alternatively, the catalyst is platinum catalyst.
Alternatively, the inhibitor is ethynylcyclohexanol or ethynylcyclohexanol solution.
The present invention also proposes a kind of battery bag, and applied to electric automobile, the battery bag includes Heat Conduction Material, the heat conduction
Material count in parts by weight containing：
100 parts of vinylsiloxane rubber；
0.5 part~3 parts of vulcanizing agent；
0.3 part~1 part of catalyst；
0.1 part~0.4 part of inhibitor；
100 parts~300 parts of aluminium-hydroxide powder；
20 parts~100 parts of heat filling；
The heat filling includes at least one of ceramic hollow microballon and boron nitride powder.
The present invention also proposes a kind of electric automobile, and the electric automobile includes battery bag, and the battery bag includes heat conduction material
Material, the Heat Conduction Material count in parts by weight containing：
100 parts of vinylsiloxane rubber；
0.5 part~3 parts of vulcanizing agent；
0.3 part~1 part of catalyst；
0.1 part~0.4 part of inhibitor；
100 parts~300 parts of aluminium-hydroxide powder；
20 parts~100 parts of heat filling；
The heat filling includes at least one of ceramic hollow microballon and boron nitride powder.
Technical scheme, by adding aluminium-hydroxide powder and heat filling in vinylsiloxane rubber, and match somebody with somebody
Close with the inhibitory action of the sulfurization of vulcanizing agent, the catalytic action of catalyst and inhibitor, may be such that vinylsiloxane rubber
Molecule interchain can be mutually bonded and be cross-linked to form effective and stable network structure, now, there is the hydrogen of Thermal conductivity
Alumina powder and with high thermal conductivity coefficient, the heat filling of low-density is dispersed and is filled among the network structure, can
The effectively thermal conductivity factor of lifting Heat Conduction Material, and its density is reduced, so as to obtain a kind of Heat Conduction Material of high heat conduction low-density.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only the part of the embodiment of the present invention, rather than whole embodiments.It is general based on the embodiment in the present invention, this area
The every other embodiment that logical technical staff is obtained under the premise of creative work is not made, belong to what the present invention protected
Scope.
In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical scheme is conflicting or can not realize
The combination of case is not present, also not within the protection domain of application claims.
The present invention proposes a kind of Heat Conduction Material, the Heat Conduction Material count in parts by weight containing：
100 parts of vinylsiloxane rubber；
0.5 part~3 parts of vulcanizing agent；
0.3 part~1 part of catalyst；
0.1 part~0.4 part of inhibitor；
100 parts~300 parts of aluminium-hydroxide powder；
20 parts~100 parts of heat filling；
The heat filling includes at least one of ceramic hollow microballon and boron nitride powder.
Technical scheme, by adding aluminium-hydroxide powder and heat filling in vinylsiloxane rubber, and match somebody with somebody
Close with the inhibitory action of the sulfurization of vulcanizing agent, the catalytic action of catalyst and inhibitor, may be such that vinylsiloxane rubber
Molecule interchain can be mutually bonded and be cross-linked to form effective and stable network structure, now, there is the hydrogen of Thermal conductivity
Alumina powder and with high thermal conductivity coefficient, the heat filling of low-density is dispersed and is filled among the network structure, can
The effectively thermal conductivity factor of lifting Heat Conduction Material, and its density is reduced, so as to obtain a kind of Heat Conduction Material of high heat conduction low-density.
It should be noted that the vinylsiloxane rubber is the dimethyl silicone polymer of bi-vinyl end-blocking, that is, hold ethene
Base dimethyl silicone polymer (Vi-PDMS), the relative molecular mass of the end-vinyl dimethyl silicone polymer is 50,000~70
Ten thousand, it primarily serves the effect of base material, dispersed can be filled in wherein each component, so as to make obtained Heat Conduction Material
Heat conductivility, mechanical property and mechanical performance etc. it is more excellent.
The vulcanizing agent is Methyl Hydrogen Polysiloxane Fluid (being commonly called as containing hydrogen silicone oil), and its molecular formula is：(CH3)3SiO[(CH3)(H)
SiO]nSi(CH3)3。
The addition of vulcanizing agent in the component of Heat Conduction Material of the present invention, it may be such that the strand of silicon rubber crosslinks reaction,
Linear strand is enabled to be cross-linked to form space network, so that the mechanics of Heat Conduction Material, mechanical performance are big
It is big to improve, make Heat Conduction Material that there is high intensity, high resilience, high-tear strength.
The aluminium-hydroxide powder is white, and particle size range is 5 microns~50 microns, is filled among Heat Conduction Material, can
Effectively improve the mechanics, machinery and heat conductivility of Heat Conduction Material.
The catalyst is platinum catalyst, and its platinum for silicon rubber addition reaction for using double-seal head to be coordinated is catalyzed
Agent, catalytic action can be played to silicon rubber addition reaction.
The inhibitor is ethynylcyclohexanol or ethynylcyclohexanol solution.Specifically, ethynylcyclohexanol solution
Solvent can be any organic or inorganic liquid for being capable of dissolved acetylene cyclohexanol, for example, ethynylcyclohexanol solution can be second
The xylene solution of alkynyl cyclohexanol, or the polyether silicone oil solution of ethynylcyclohexanol.
The addition of inhibitor in the component of Heat Conduction Material of the present invention, retardance can be played or reduced in Heat Conduction Material between each component
The effect of chemical reaction rate, cause the uniform of Heat Conduction Material so as to effectively avoid in Heat Conduction Material local reaction degree too high
Property and overall performance the problem of declining, and then effectively increase the uniformity, stability and globality of Heat Conduction Material of the present invention
Energy.
The main component of the ceramic hollow microballon is silica (SiO2) and aluminum oxide (Al2O3).Silica
(SiO2) and aluminum oxide (Al2O3) after configuration is good according to a certain percentage, by 1400 DEG C or so of high-temperature firing, sorting, so as to
To linen ceramic hollow microballon.Wherein, the particle size range of the ceramic hollow microballon is 5 microns~1000 microns, described
The mass content of aluminum oxide is not less than 26% in ceramic hollow microballon.
The mass content of boron nitride is not less than 90%, preferably not less than 95% in the boron nitride powder, the boron nitride
The particle size range of powder is 1 micron~30 microns.
In practical application, heat filling is made up of ceramic hollow microballon and/or boron nitride powder, have high thermal conductivity coefficient,
The characteristics of low-density, to substitute conventional oxidation Al filler, can effectively it be reduced while Heat Conduction Material high thermal conductivity coefficient is ensured
The density of Heat Conduction Material, so that Heat Conduction Material can be able to lighting, electric automobile is applied in the form of heat-conducting pad
Its energy resource consumption can be effectively reduced, there is excellent practicality.
Heat Conduction Material of the present invention compared to for traditional alumina filled type Heat Conduction Material (high with high thermal conductivity coefficient
In 1.0W/mK) while, also (it is less than 2.0g/cm with low-density3), specifically, when thermal conductivity factor is 1.2W/mK, this hair
The density of bright Heat Conduction Material is only 1.5g/cm3, and the density of traditional alumina filled type Heat Conduction Material has then reached 2.4g/
cm3, it can be seen that, for Heat Conduction Material of the present invention is compared to traditional alumina filled type Heat Conduction Material, ensureing high heat conduction
While coefficient 1.2W/mK, it can reduce by 37.5% weight, electric automobile is applied in the form of heat-conducting pad can realize low energy
Source consumes, and improves efficiency of energy utilization.
The present invention also proposes a kind of battery bag, and the battery bag includes foregoing Heat Conduction Material, and the Heat Conduction Material is specific
With reference to the foregoing embodiments, because this battery bag employs whole technical schemes of foregoing all embodiments, therefore before at least having
All beneficial effects caused by the technical scheme of embodiment are stated, this is no longer going to repeat them.
The present invention also proposes a kind of electric automobile, and the electric automobile includes battery bag, and the battery bag includes foregoing
Heat Conduction Material, the Heat Conduction Material is referring in particular to previous embodiment, because this electric automobile employs the complete of foregoing all embodiments
Portion's technical scheme, therefore all beneficial effects at least caused by the technical scheme with previous embodiment, herein no longer one by one
Repeat.
Heat Conduction Material of the present invention is specifically described below by way of specific embodiment.
Embodiment 1：
100 parts of vinylsiloxane rubber (mean molecule quantity 100,000)；
1.7 parts of containing hydrogen silicone oil (hydrogen content 0.18%)；
0.45 part of platinum catalyst (5000ppm)；
0.15 part of inhibitor (xylene solution of 50% ethynylcyclohexanol)；
Aluminium-hydroxide powder (D50=10um) 131 parts；
Ceramic hollow microballon (D50=50um) 10 parts；
Boron nitride powder (D50=12um) 19 parts.
By the good vinylsiloxane rubber of above-mentioned configuration, containing hydrogen silicone oil, inhibitor, aluminium-hydroxide powder, ceramic hollow microballon,
Boron nitride powder is placed in thin logical 5 times in open kneading machine, is well mixed each component.Then, the good platinum of above-mentioned configuration is added
Au catalyst is simultaneously thin logical 5 times.After the completion of mill, sizing material is put into vulcanizing press, vacuum exhaust, in 100 DEG C of hot pressing 3min
Complete vulcanization, demoulding cooling.The heat-conducting pad thermal conductivity factor of formula production is 1.0W/mK, density 1.5g/cm3, hardness is
Shao's A10 degree, tearing strength 2.5N/m, elongation at break 330%, it is that the special low-density height of a universal electric automobile is led
Hot heat-conducting pad.
Embodiment 2：
100 parts of vinylsiloxane rubber (mean molecule quantity 100,000)；
2.4 parts of containing hydrogen silicone oil (hydrogen content 0.18%)；
0.56 part of platinum catalyst (5000ppm)；
0.16 part of inhibitor (xylene solution of 50% ethynylcyclohexanol)；
Aluminium-hydroxide powder (D50=25um) 200 parts；
Boron nitride powder (D50=10um) 44 parts.
By the good vinylsiloxane rubber of above-mentioned configuration, containing hydrogen silicone oil, inhibitor, aluminium-hydroxide powder, ceramic hollow microballon,
Boron nitride powder is placed in thin logical 5 times in open kneading machine, is well mixed each component.Then, the good platinum of above-mentioned configuration is added
Au catalyst is simultaneously thin logical 5 times.After the completion of mill, sizing material is put into vulcanizing press, vacuum exhaust, in 100 DEG C of hot pressing 3min
Complete vulcanization, demoulding cooling.The heat-conducting pad thermal conductivity factor of formula production is 1.5W/mK, density 1.65g/cm3, hardness
Tearing strength 2.0N/m, elongation at break 150%, it is a special low-density of high heat conduction type electric automobile for Shao's A10 degree
High heat conduction heat-conducting pad.
In summary, Heat Conduction Material of the present invention is low compared to having density for traditional alumina filled type Heat Conduction Material
(it is less than 2.0g/cm3), thermal conductivity factor high (being higher than 1.0W/mK) the advantages of, can applied to electric automobile in the form of heat-conducting pad
Low energy expenditure is realized, improves efficiency of energy utilization.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every at this
Under the inventive concept of invention, the equivalent structure transformation made using present specification, or directly/other are used in indirectly
Related technical field is included in the scope of patent protection of the present invention.
Claims (10)
- A kind of 1. Heat Conduction Material, it is characterised in that the Heat Conduction Material count in parts by weight containing：100 parts of vinylsiloxane rubber；0.5 part~3 parts of vulcanizing agent；0.3 part~1 part of catalyst；0.1 part~0.4 part of inhibitor；100 parts~300 parts of aluminium-hydroxide powder；20 parts~100 parts of heat filling；The heat filling includes at least one of ceramic hollow microballon and boron nitride powder.
- 2. Heat Conduction Material as claimed in claim 1, it is characterised in that the mass content of aluminum oxide in the ceramic hollow microballon Not less than 26%, the particle size range of the ceramic hollow microballon is 5 microns~1000 microns.
- 3. Heat Conduction Material as claimed in claim 1, it is characterised in that the mass content of boron nitride is not in the boron nitride powder Less than 90%, the particle size range of the boron nitride powder is 1 micron~30 microns.
- 4. Heat Conduction Material as claimed in claim 1, it is characterised in that the vinylsiloxane rubber is end-vinyl poly dimethyl Siloxanes, the relative molecular mass of the end-vinyl dimethyl silicone polymer is 50,000~700,000.
- 5. Heat Conduction Material as claimed in claim 1, it is characterised in that the vulcanizing agent is Methyl Hydrogen Polysiloxane Fluid.
- 6. Heat Conduction Material as claimed in claim 1, it is characterised in that the particle size range of the aluminium-hydroxide powder is 5 microns ~50 microns.
- 7. Heat Conduction Material as claimed in claim 1, it is characterised in that the catalyst is platinum catalyst.
- 8. Heat Conduction Material as claimed in claim 1, it is characterised in that the inhibitor is ethynylcyclohexanol or acetylene basic ring Hexanol solution.
- 9. a kind of battery bag, applied to electric automobile, it is characterised in that the battery bag is included as any in claim 1-8 Heat Conduction Material described in.
- 10. a kind of electric automobile, it is characterised in that the electric automobile includes battery bag as claimed in claim 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710732323.3A CN107501954A (en) | 2017-08-22 | 2017-08-22 | Heat Conduction Material, battery bag and electric automobile |
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| CN201710732323.3A CN107501954A (en) | 2017-08-22 | 2017-08-22 | Heat Conduction Material, battery bag and electric automobile |
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Cited By (6)
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| CN108546414A (en) * | 2018-05-18 | 2018-09-18 | 深圳市金菱通达电子有限公司 | The dedicated lightweight Heat Conduction Material of new energy battery |
| CN109912979A (en) * | 2019-01-28 | 2019-06-21 | 深圳市博恩实业有限公司 | Heat conductive flame-retarding foaming sealing material and preparation method thereof for 5G communication |
| CN110172249A (en) * | 2019-06-18 | 2019-08-27 | 杭州兆科电子材料有限公司 | Heat-conducting silica gel sheet and its preparation method and application, thermally conductive heating silica gel piece and its preparation method and application |
| CN110364648A (en) * | 2018-04-11 | 2019-10-22 | 苏州矽美科导热科技有限公司 | A kind of new energy heat dissipation of lithium battery gasket and preparation method thereof |
| CN114736649A (en) * | 2022-05-07 | 2022-07-12 | 韦尔通(厦门)科技股份有限公司 | Organic silicon pouring sealant composition and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110364648A (en) * | 2018-04-11 | 2019-10-22 | 苏州矽美科导热科技有限公司 | A kind of new energy heat dissipation of lithium battery gasket and preparation method thereof |
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| CN109912979A (en) * | 2019-01-28 | 2019-06-21 | 深圳市博恩实业有限公司 | Heat conductive flame-retarding foaming sealing material and preparation method thereof for 5G communication |
| CN110172249A (en) * | 2019-06-18 | 2019-08-27 | 杭州兆科电子材料有限公司 | Heat-conducting silica gel sheet and its preparation method and application, thermally conductive heating silica gel piece and its preparation method and application |
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Application publication date: 20171222 |