CN109161206A - A kind of high security new energy car battery - Google Patents
A kind of high security new energy car battery Download PDFInfo
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- CN109161206A CN109161206A CN201810694860.8A CN201810694860A CN109161206A CN 109161206 A CN109161206 A CN 109161206A CN 201810694860 A CN201810694860 A CN 201810694860A CN 109161206 A CN109161206 A CN 109161206A
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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
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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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Abstract
The invention discloses a kind of high security new energy car batteries comprising heat-dissipating casing, bus, battery modules and Embedding Material in the heat-dissipating casing；Battery modules are connect by several battery compositions, the positive and negative anodes of battery with bus, and Embedding Material is filled in heat-dissipating casing and separates cladding battery, and heat-dissipating casing is equipped with the interface connecting with bus；Embedding Material includes the component of following parts by weight: 100 parts of vinyl-terminated silicone fluid, 2~6 parts of containing hydrogen silicone oil, 150~300 parts of modified aluminas, 0.05~0.15 part of platinum catalyst, 20~50 parts of halogen-free flame retardants, 2~5 parts of white carbon black, 0.5~1 part of hexamethyldisilazane, 1~5 part of peroxide vulcanizing agent and 0.5~3 part of plasticizer；The peroxide vulcanizing agent includes dibenzoyl peroxide and dual-tert-butyl peroxy isopropyl base benzene.Embedding Material of the invention has excellent heating conduction and electrical insulation capability, can dissipation battery modules in time heat, so that battery modules is kept suitable temperature, avoid the risk of surge and battery catches fire.
Description
Technical field
The present invention relates to a kind of new energy car battery more particularly to a kind of high security new energy car batteries.
Background technique
New-energy automobile refer to using unconventional vehicle fuel as a source of power (or using conventional vehicle fuel,
Using new vehicle-mounted power plant), the dynamic Control of comprehensive vehicle and the advanced technology of driving aspect, the technical principle elder generation of formation
Into, the automobile with new technology, new construction.Power source of the battery as new-energy automobile, in addition to positive electrode, negative electrode material,
The battery raw materials such as diaphragm, electrolyte influence other than its performance, and temperature change in new-energy automobile driving process etc. can also change
Become battery performance, and then influences its cruising ability.Suitable temperature is only kept, battery can be only achieved its optimum performance.In addition,
The short circuit of battery and overcurrent also result in battery catches fire, to cause accident.The present invention is intended to provide a kind of dissipate with excellent
The high security new energy car battery of hot property and anti-short circuit, anti-overflow.
Summary of the invention
It is an object of the invention to solve above-mentioned shortcoming and defect existing in the prior art, it is new to provide a kind of high security
Energy automobile battery.
To reach its purpose, the technical solution adopted by the present invention are as follows: a kind of high security new energy car battery comprising
Heat-dissipating casing, bus, battery modules and Embedding Material in the heat-dissipating casing；The battery modules are by several batteries
Composition, the positive and negative anodes of the battery are connect with the bus, and the Embedding Material is filled in the heat-dissipating casing and separates packet
The battery is covered, the interface connecting with the bus is additionally provided on the heat-dissipating casing；
The Embedding Material includes the component of following parts by weight: 100 parts of vinyl-terminated silicone fluid, changes 2~6 parts of containing hydrogen silicone oil
Property 150~300 parts of aluminium oxide, 0.05~0.15 part of platinum catalyst, 20~50 parts of halogen-free flame retardants, 2~5 parts of white carbon black, pregnancy
0.5~1 part of base disilazane, 1~5 part of peroxide vulcanizing agent and 0.5~3 part of plasticizer；The peroxide vulcanizing agent packet
Include dibenzoyl peroxide and dual-tert-butyl peroxy isopropyl base benzene.
Inside battery of the invention is filled with Embedding Material, and the Embedding Material has excellent heating conduction and electrical isolation
Performance, can dissipation battery modules in time heat, so that battery modules is kept suitable temperature, and battery can be protected well
Mould group avoids the risk of surge and battery catches fire.
Preferably, the Embedding Material includes the component of following parts by weight: 100 parts of vinyl-terminated silicone fluid, containing hydrogen silicone oil 4
Part, 200 parts of modified aluminas, 0.1 part of platinum catalyst, 35 parts of halogen-free flame retardants, 4 parts of white carbon black, hexamethyldisilazane 0.8
Part, 3 parts of peroxide vulcanizing agent and 1.5 parts of plasticizer.
Preferably, based on mass percentage, the peroxide vulcanizing agent by 15~30% dibenzoyl peroxide
Dual-tert-butyl peroxy isopropyl base benzene with 70~85% forms.Dibenzoyl peroxide belongs to low temperature peroxide vulcanizing agent, and
Dual-tert-butyl peroxy isopropyl base benzene belongs to high-temperature peroxide vulcanizing agent.The present invention uses the higher dual-tert-butyl mistake of decomposition temperature
Oxygen cumene compounds the lower dibenzoyl peroxide of decomposition temperature, when so that preparing Embedding Material, plays the shortening of sulphur time, just
Vulcanization time extends, so that the concentration of dynamic vulcanization stage peroxide radical is relatively stable, the viscosity of material will not increase severely,
And be easy mixing and be uniformly dispersed, to effectively improve the mechanical property of material.
Preferably, based on mass percentage, the peroxide vulcanizing agent by 25% dibenzoyl peroxide and
75% dual-tert-butyl peroxy isopropyl base benzene composition.
Preferably, the plasticizer is dibutyl phthalate (DBP).The DBP belongs to external plasticizer, is not involved in
Reaction, but the reduced gravity of molecule interchain can be made, to increase the movement and flexibility of strand, keep Embedding Material encapsulating solid
Brittleness after change correspondingly reduces, and flexibility and plasticity are improved.
Preferably, the modified aluminas is hexadecyl trimethoxy silane modified aluminas.The cetyl three
Influence of the methoxy silane modified aluminas to the viscosity of Embedding Material is smaller, and can effectively improve the thermal conductivity of Embedding Material
Can, to improve the radiating efficiency of new-energy automobile power battery, improve its safety.
Preferably, the modified aluminas the preparation method comprises the following steps: aluminium oxide is put into electric heating constant-temperature blowing drying box,
Dry 3h, is subsequently poured into high-speed mixer, by the mixing of hexadecyl trimethoxy silane isopropanol and toluene at 105 DEG C
It is 20% that solvent, which is diluted to concentration, is added in high-speed mixer by spraying under stirring, is warming up to 110 DEG C, and continues to stir
30min dries 4h at 110 DEG C, is sealed for use to get the modified aluminas.Preferably, the partial size of the aluminium oxide is
5~15 μm, the aluminium oxide of the particle size has biggish specific surface area, and physisorption easily occurs with silicon rubber, thus
Keep the interfacial interaction of filler and silicon rubber stronger, to improve the mechanical property of Embedding Material, and will not be to encapsulating material
The viscosity generation of material significantly affects.Preferably, the amount ratio of the isopropanol and toluene is 1:1.Preferably, the mixed at high speed
The revolving speed of machine is 1500r/min.Preferably, the dosage of the hexadecyl trimethoxy silane is the 1.5% of quality of alumina.
Preferably, the halogen-free flame retardants is aluminum diethylphosphinate (ADP).The compatibility of ADP is good, and flame retarding efficiency is high,
Low-smoke low-toxicity, temperature tolerance are high.
In the present invention, the collocation of the modified aluminas and the halogen-free flame retardants is used, and can play synergistic flame retardant effect,
To make Embedding Material that there is high flame retardant.Meanwhile the thermal coefficient of modified aluminas is high, can effectively improve leading for Embedding Material
Hot property, and the good insulation preformance of modified aluminas, will not reduce the dielectric strength of Embedding Material, to basis material without bad shadow
It rings, the protective of Embedding Material will not be reduced.
Preferably, the white carbon black is fume colloidal silica, specific surface area 200m2/g.The present invention is with hexamethyl two
Silazane surface modified fumed silica, it is fast in Embedding Material that obtained modified product can effectively prevent modified aluminas
Speed sedimentation, makes modified aluminas be evenly distributed, to effectively improve the heating conduction of potting material cure object.
Preferably, platinum content is 5000 × 10 in the platinum catalyst-6。
Preferably, the method for the Embedding Material includes the following steps:
(1) base-material: vinyl-terminated silicone fluid, hexamethyldisilazane and white carbon black are added in kneader, mediate 2~3h,
50~200g distilled water is added, mediates 10~15min, is warming up to 150~170 DEG C, is taken off under the conditions of 0.1~0.2MPa of vacuum degree
0.5~1h of water, obtains base-material；
(2) component A: 50% base-material, modified aluminas, platinum catalyst and halogen-free flame retardants are put into kneader and mixed
Uniformly, it is then uniformly dispersed with grinder, obtains component A；
(3) remaining base-material, containing hydrogen silicone oil, peroxide vulcanizing agent and plasticizer are put into kneader and are uniformly mixed,
Then it is uniformly dispersed with grinder, obtains B component；
(4) A, B component are uniformly mixed, 10~20min of deaeration is under the conditions of 0.08~0.1MPa of vacuum degree to get described
New energy car battery Embedding Material.
Compared with prior art, the beneficial effects of the present invention are:
Inside battery of the invention is filled with Embedding Material, and the Embedding Material has excellent heating conduction and electrical isolation
Performance, can dissipation battery modules in time heat, so that battery modules is kept suitable temperature, and battery can be protected well
Mould group avoids the risk of surge and battery catches fire.Embedding Material of the invention is nontoxic, the release of nonirritant gas, Environmental Safety,
It can play the role of being effectively protected to battery, improve the safety and service life of battery, effectively reduce new energy vapour
Vehicle batteries caught fire and the accident of explosion occur.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is a kind of structural schematic diagram of high security new energy car battery of the embodiment of the present invention 5；
In figure: heat-dissipating casing 1, bus 2, battery modules 3, Embedding Material 4, battery 5, interface 6.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
The part material source that the present embodiment uses are as follows:
Fume colloidal silica: Guangzhou Science and Technology Ji Sheng Industrial Co, model: HL-200 are purchased from；
Platinum catalyst: Guangzhou great Xi Chemical Co., Ltd., model: DX-3080 are purchased from；
Vinyl-terminated silicone fluid: Zhejiang Ju Tai new material Science and Technology Ltd., model: JT-4202 are purchased from；
Containing hydrogen silicone oil: Jiande City's polymerized new material Co., Ltd, model: JH-202 are purchased from；
Embodiment 1
The present embodiment 1 provides a kind of preparation method of hexadecyl trimethoxy silane modified aluminas comprising as follows
Step: the aluminium oxide that partial size is 5~15 μm is put into electric heating constant-temperature blowing drying box, and dry 3h, is subsequently poured at 105 DEG C
Revolving speed is in the high-speed mixer of 1500r/min.By the mixed solvent of hexadecyl trimethoxy silane isopropanol and toluene
Being diluted to concentration is 20%, is added in above-mentioned high-speed mixer by spraying under stirring, is warming up to 110 DEG C, and continues to stir
30min dries 4h at 110 DEG C, is sealed for use to get the hexadecyl trimethoxy silane modified aluminas.It is described
The amount ratio of isopropanol and toluene is 1:1；The dosage of the hexadecyl trimethoxy silane is the 1.5% of quality of alumina.
Embodiment 2
The present embodiment 2 provides a kind of new energy car battery Embedding Material comprising the component of following parts by weight: end ethylene
100 parts of base silicone oil, 4 parts of containing hydrogen silicone oil, 200 parts of hexadecyl trimethoxy silane modified aluminas, 0.1 part of platinum catalyst, two
35 parts of ethylphosphinic acid aluminium, 4 parts of fume colloidal silica, 0.8 part of hexamethyldisilazane, 3 parts of peroxide vulcanizing agent and adjacent benzene
1.5 parts of dibutyl carboxylic acid.Based on mass percentage, the peroxide vulcanizing agent by 25% dibenzoyl peroxide and
75% dual-tert-butyl peroxy isopropyl base benzene composition.
The preparation method of the new energy car battery Embedding Material comprising following steps:
(1) base-material: vinyl-terminated silicone fluid, hexamethyldisilazane and fume colloidal silica are added in kneader, are mediated
125g distilled water is added in 2.5h, mediates 12min, is warming up to 160 DEG C, is dehydrated 0.8h under the conditions of vacuum degree 0.15MPa, obtains
Base-material；
(2) component A: by 50% base-material, hexadecyl trimethoxy silane modified aluminas, platinum catalyst and diethyl
Phosphinic acids aluminium is put into kneader and is uniformly mixed, and is then uniformly dispersed with grinder, obtains component A；
(3) remaining base-material, containing hydrogen silicone oil, peroxide vulcanizing agent and dibutyl phthalate are put into kneader
It is uniformly mixed, is then uniformly dispersed with grinder, obtains B component；
(4) A, B component are uniformly mixed, deaeration 15min is under the conditions of vacuum degree 0.09MPa to get the new energy vapour
Vehicle battery Embedding Material.
Embodiment 3
The present embodiment 3 provides a kind of new energy car battery Embedding Material comprising the component of following parts by weight: end ethylene
100 parts of base silicone oil, 2 parts of containing hydrogen silicone oil, 150 parts of hexadecyl trimethoxy silane modified aluminas, 0.05 part of platinum catalyst, two
20 parts of ethylphosphinic acid aluminium, 2 parts of fume colloidal silica, 0.5 part of hexamethyldisilazane, 1 part of peroxide vulcanizing agent and adjacent benzene
0.5 part of dibutyl carboxylic acid.Based on mass percentage, the peroxide vulcanizing agent by 15% dibenzoyl peroxide and
85% dual-tert-butyl peroxy isopropyl base benzene composition.
The preparation method of the new energy car battery Embedding Material comprising following steps:
(1) base-material: vinyl-terminated silicone fluid, hexamethyldisilazane and fume colloidal silica are added in kneader, are mediated
50g distilled water is added in 2h, mediates 10min, is warming up to 150 DEG C, is dehydrated 0.5h under the conditions of vacuum degree 0.1MPa, obtains base-material；
(2) component A: by 50% base-material, hexadecyl trimethoxy silane modified aluminas, platinum catalyst and diethyl
Phosphinic acids aluminium is put into kneader and is uniformly mixed, and is then uniformly dispersed with grinder, obtains component A；
(3) remaining base-material, containing hydrogen silicone oil, peroxide vulcanizing agent and dibutyl phthalate are put into kneader
It is uniformly mixed, is then uniformly dispersed with grinder, obtains B component；
(4) A, B component are uniformly mixed, deaeration 10min is under the conditions of vacuum degree 0.08MPa to get the new energy vapour
Vehicle battery Embedding Material.
Embodiment 4
The present embodiment 4 provides a kind of new energy car battery Embedding Material comprising the component of following parts by weight: end ethylene
100 parts of base silicone oil, 6 parts of containing hydrogen silicone oil, 300 parts of hexadecyl trimethoxy silane modified aluminas, 0.15 part of platinum catalyst, two
50 parts of ethylphosphinic acid aluminium, 5 parts of fume colloidal silica, 1 part of hexamethyldisilazane, 5 parts of peroxide vulcanizing agent and adjacent benzene two
3 parts of formic acid dibutyl ester.Based on mass percentage, the peroxide vulcanizing agent is by 30% dibenzoyl peroxide and 70%
Dual-tert-butyl peroxy isopropyl base benzene composition.
The preparation method of the new energy car battery Embedding Material comprising following steps:
(1) base-material: vinyl-terminated silicone fluid, hexamethyldisilazane and fume colloidal silica are added in kneader, are mediated
200g distilled water is added in 3h, mediates 15min, is warming up to 170 DEG C, is dehydrated 1h under the conditions of vacuum degree 0.2MPa, obtains base-material；
(2) component A: by 50% base-material, hexadecyl trimethoxy silane modified aluminas, platinum catalyst and diethyl
Phosphinic acids aluminium is put into kneader and is uniformly mixed, and is then uniformly dispersed with grinder, obtains component A；
(3) remaining base-material, containing hydrogen silicone oil, peroxide vulcanizing agent and dibutyl phthalate are put into kneader
It is uniformly mixed, is then uniformly dispersed with grinder, obtains B component；
(4) A, B component are uniformly mixed, deaeration 20min is under the conditions of vacuum degree 0.1MPa to get the new-energy automobile
Battery Embedding Material.
Comparative example 1: formula and preparation method are with embodiment 2, and peroxide vulcanizing agent is by dual-tert-butyl peroxy isopropyl base benzene
Composition.
Comparative example 2: formula and preparation method with embodiment 2, peroxide vulcanizing agent by 50% dibenzoyl peroxide
Dual-tert-butyl peroxy isopropyl base benzene with 50% forms.
Comparative example 3: formula and preparation method do not add aluminum diethylphosphinate in formula with embodiment 2.
Comparative example 4: it is modified not to add hexadecyl trimethoxy silane with embodiment 2 for formula and preparation method in formula
Aluminium oxide.
Material properties test
The Embedding Material of embodiment 2~4 and comparative example 1~4 is tested for the property, see Table 1 for details for test result.
Tensile strength and tensile elongation: it is tested by GB/T 528-2009；
Volume resistivity: GB/T 1410-2006 standard testing is pressed；
Viscosity presses GB/T 2794-1995 standard testing；
Thermal conductivity: it is tested using Hot DisK type thermal constant analyzer.
Table 1
In table 1, the Embedding Material of embodiment 2~4 all has preferable mechanical property, can from comparative example 1 and comparative example 2
Out, the addition of dibenzoyl peroxide and dual-tert-butyl peroxy isopropyl base benzene is larger to the Effect on Mechanical Properties of Embedding Material, when
Lack one of or dibenzoyl peroxide usage ratio it is excessive when, the mechanical property of Embedding Material can be decreased obviously, and
It is added by inventive formulation amount in use, obtained Embedding Material mechanical property is more excellent.
It can be seen that from comparative example 3 and comparative example 4, when not adding aluminum diethylphosphinate in Embedding Material, volume electricity
Resistance rate is from 7.2 × 1014Rise to 1.6 × 1015, when not adding in Embedding Material, hexadecyl trimethoxy silane is modified oxidized
When aluminium, volume resistivity is from 7.2 × 1014Rise to 6.8 × 1015, it can be seen that, aluminum diethylphosphinate and cetyl
Trimethoxy silane modified aluminas can influence the electrical insulating property of this Embedding Material to a certain extent, but from embodiment 2~4
Volume resistivity by inventive formulation amount as it can be seen that when being added, aluminum diethylphosphinate and hexadecyl trimethoxy silane
Modified aluminas influences less the electrical insulation capability of Embedding Material, and the Embedding Material of embodiment 2~4 still has well absolutely
Edge performance.
The aluminum diethylphosphinate of formula ratio is added to simultaneously in embodiment 2~4 and hexadecyl trimethoxy silane changes
Property two kinds of components of aluminium oxide so that Embedding Material has excellent flame retardant property, fire-retardant rank reaches 0 grade of FV-.And from comparison
The flame retardant test result of example 3 and comparative example 4, which is seen, to be known, when lacking aluminum diethylphosphinate or cetyl trimethoxy in Embedding Material
When base silane modified aluminas, flame retardant property will receive larger impact, and fire-retardant rank only reaches 2 grades of FV-.Thus illustrate, two
The collocation of both ethylphosphinic acid aluminium and hexadecyl trimethoxy silane modified aluminas uses, and can generate the fire-retardant effect of synergistic
Fruit.
Know in terms of the thermal conductivity test result of comparative example 4, changes when lacking hexadecyl trimethoxy silane in Embedding Material
Property aluminium oxide when, heating conduction is greatly reduced, illustrate hexadecyl trimethoxy silane modified aluminas have preferably mention
Rise the effect of Embedding Material heating conduction.
As can also be seen from Table 1, the Embedding Material of embodiment 2~4 has suitable viscosity, and good fluidity is easy to encapsulating.
Embodiment 5
The present embodiment 5 provides a kind of high security new energy car battery, as shown in Figure 1 comprising heat-dissipating casing 1, if
In bus 2, battery modules 3 and Embedding Material 4 in heat-dissipating casing 1.Specifically, battery modules 3 are made of several batteries 5,
The positive and negative anodes of battery 5 are connect with bus 2.More specifically, Embedding Material 4 is filled in heat-dissipating casing 1 and separates cladding battery 5,
The interface 6 connecting with bus 2 is additionally provided on heat-dissipating casing 1.The Embedding Material 4 of the present embodiment is embodiment 2, embodiment 3 or real
The Embedding Material of the offer of example 4 is provided.Embedding Material 4 has excellent heating conduction, when generating heat in the work of battery 5, encapsulating
Material 4 can transfer heat to heat-dissipating casing in time, and then by heat-dissipating casing by heat outlet, thus dissipation battery in time
Heat, so that it is kept suitable temperature.Embedding Material 4 also has excellent mechanical property, can be to the battery of battery modules 3
5 play a very good protection, and puncture and shock resistance are good.Embedding Material 4 also has excellent electrical insulation capability, separates
Battery 5 is coated, to be effectively prevented battery short circuit and surge, effectively reduces that new energy car battery is on fire and explosion
Accident occurs.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than protects to the present invention
The limitation of range is protected, although the invention is described in detail with reference to the preferred embodiments, those skilled in the art should
Understand, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the essence of technical solution of the present invention
And range.
Claims (10)
1. a kind of high security new energy car battery, which is characterized in that including heat-dissipating casing, in the heat-dissipating casing
Bus, battery modules and Embedding Material；The battery modules are by several battery compositions, positive and negative anodes of the battery and described total
Line connection, the Embedding Material are filled in the heat-dissipating casing and separate the cladding battery, also set on the heat-dissipating casing
There is the interface connecting with the bus；
The Embedding Material includes the component of following parts by weight: 100 parts of vinyl-terminated silicone fluid, 2~6 parts of containing hydrogen silicone oil, modified oxygen
Change 150~300 parts of aluminium, 0.05~0.15 part of platinum catalyst, 20~50 parts of halogen-free flame retardants, 2~5 parts of white carbon black, hexamethyl two
0.5~1 part of silazane, 1~5 part of peroxide vulcanizing agent and 0.5~3 part of plasticizer；The peroxide vulcanizing agent included
Aoxidize dibenzoyl and dual-tert-butyl peroxy isopropyl base benzene.
2. high security new energy car battery according to claim 1, which is characterized in that the Embedding Material includes such as
The component of lower parts by weight: 100 parts of vinyl-terminated silicone fluid, 4 parts of containing hydrogen silicone oil, 200 parts of modified aluminas, 0.1 part of platinum catalyst, nothing
35 parts of halogen fire retardant, 4 parts of white carbon black, 0.8 part of hexamethyldisilazane, 3 parts of peroxide vulcanizing agent and 1.5 parts of plasticizer.
3. high security new energy car battery according to claim 1 or 2, which is characterized in that press mass percentage
Meter, the peroxide vulcanizing agent is by 15~30% dibenzoyl peroxide and 70~85% dual-tert-butyl peroxy isopropyl base
Benzene composition.
4. high security new energy car battery according to claim 3, which is characterized in that based on mass percentage,
The peroxide vulcanizing agent is made of 25% dibenzoyl peroxide and 75% dual-tert-butyl peroxy isopropyl base benzene.
5. high security new energy car battery according to claim 1 or 2, which is characterized in that the plasticizer is neighbour
Dibatyl phithalate.
6. high security new energy car battery according to claim 1 or 2, which is characterized in that the modified aluminas
For hexadecyl trimethoxy silane modified aluminas.
7. high security new energy car battery according to claim 1 or 2, which is characterized in that the halogen-free flame retardants
For aluminum diethylphosphinate.
8. high security new energy car battery according to claim 1 or 2, which is characterized in that the white carbon black is gas
Phase method white carbon black, specific surface area 200m2/g。
9. high security new energy car battery according to claim 1 or 2, which is characterized in that in the platinum catalyst
Platinum content is 5000 × 10-6。
10. high security new energy car battery according to claim 1 or 2, which is characterized in that the Embedding Material
Method includes the following steps:
(1) base-material: vinyl-terminated silicone fluid, hexamethyldisilazane and white carbon black are added in kneader, mediate 2~3h, are added
50~200g distilled water mediates 10~15min, is warming up to 150~170 DEG C, is dehydrated under the conditions of 0.1~0.2MPa of vacuum degree
0.5~1h obtains base-material；
(2) component A: 50% base-material, modified aluminas, platinum catalyst and halogen-free flame retardants are put into kneader and mixed
It is even, it is then uniformly dispersed with grinder, obtains component A；
(3) remaining base-material, containing hydrogen silicone oil, peroxide vulcanizing agent and plasticizer are put into kneader and are uniformly mixed, then
It is uniformly dispersed with grinder, obtains B component；
(4) A, B component are uniformly mixed, 10~20min of deaeration is under the conditions of 0.08~0.1MPa of vacuum degree to get the new energy
Source automobile batteries Embedding Material.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110105718A (en) * | 2019-06-03 | 2019-08-09 | 长沙而道新能源科技有限公司 | A kind of new energy car battery Embedding Material and preparation method thereof |
| CN111171577A (en) * | 2020-02-10 | 2020-05-19 | 江西蓝星星火有机硅有限公司 | Single-component liquid silicone rubber and preparation method thereof |
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| CN111171577B (en) * | 2020-02-10 | 2022-08-30 | 江西蓝星星火有机硅有限公司 | Single-component liquid silicone rubber and preparation method thereof |
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