CN107805082B - Insulating pure [ electric ] motor coach fuel cell case with thermoregulation performance - Google Patents
Insulating pure [ electric ] motor coach fuel cell case with thermoregulation performance Download PDFInfo
- Publication number
- CN107805082B CN107805082B CN201711059612.8A CN201711059612A CN107805082B CN 107805082 B CN107805082 B CN 107805082B CN 201711059612 A CN201711059612 A CN 201711059612A CN 107805082 B CN107805082 B CN 107805082B
- Authority
- CN
- China
- Prior art keywords
- box body
- paraffin
- silicon carbide
- powder
- drying
- 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.)
- Active
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 14
- 230000028016 temperature homeostasis Effects 0.000 title description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 40
- 239000011248 coating agent Substances 0.000 claims abstract description 32
- 238000000576 coating method Methods 0.000 claims abstract description 32
- 239000002131 composite material Substances 0.000 claims abstract description 30
- 238000001035 drying Methods 0.000 claims abstract description 29
- 238000003756 stirring Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000007767 bonding agent Substances 0.000 claims abstract description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000227 grinding Methods 0.000 claims abstract description 14
- 238000005121 nitriding Methods 0.000 claims abstract description 14
- 238000002360 preparation method Methods 0.000 claims abstract description 14
- 238000005245 sintering Methods 0.000 claims abstract description 14
- 230000033228 biological regulation Effects 0.000 claims abstract description 12
- 229940057995 liquid paraffin Drugs 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 238000005507 spraying Methods 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 238000005498 polishing Methods 0.000 claims abstract description 7
- 238000002791 soaking Methods 0.000 claims abstract description 7
- 239000002904 solvent Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000004088 foaming agent Substances 0.000 claims abstract description 5
- 239000012188 paraffin wax Substances 0.000 claims description 74
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 34
- 239000000843 powder Substances 0.000 claims description 26
- 239000000377 silicon dioxide Substances 0.000 claims description 17
- 235000012239 silicon dioxide Nutrition 0.000 claims description 16
- 229920001353 Dextrin Polymers 0.000 claims description 12
- 239000004375 Dextrin Substances 0.000 claims description 12
- 235000019425 dextrin Nutrition 0.000 claims description 12
- 239000003973 paint Substances 0.000 claims description 12
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229920001568 phenolic resin Polymers 0.000 claims description 6
- 239000005011 phenolic resin Substances 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229920002472 Starch Polymers 0.000 claims description 2
- 239000008107 starch Substances 0.000 claims description 2
- 235000019698 starch Nutrition 0.000 claims description 2
- 238000007598 dipping method Methods 0.000 abstract 1
- 230000001678 irradiating effect Effects 0.000 description 4
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000012782 phase change material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/658—Atmosphere during thermal treatment
- C04B2235/6586—Processes characterised by the flow of gas
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts
- C04B2235/9692—Acid, alkali or halogen resistance
-
- 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
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses an insulated pure electric bus fuel cell box with temperature adjusting performance, which comprises a box body, wherein the box body is prepared from a silicon carbide composite material, and the preparation process comprises the following steps: uniformly mixing silicon carbide and a pore-foaming agent according to a certain proportion, then adding an ethanol solvent for grinding, uniformly grinding, drying and sintering to obtain macroporous silicon carbide; taking silicon powder, macroporous silicon carbide, water, a bonding agent and an anti-settling agent, stirring at a high speed to obtain a mixed material, then placing the mixed material in a mould for pressure forming, drying a blank, and then performing nitriding sintering in a nitriding chamber to obtain a box body with a rough surface; and soaking the box body in liquid paraffin, taking out the box body, cooling, polishing and finally spraying a layer of coating on the surface of the box body. The battery box is prepared from the silicon carbide composite material, has certain strength, and has good temperature regulation and heat conduction performance because the surface of the box body is coated with the liquid paraffin in a dipping way and the surface of the box body is coated with a layer of coating.
Description
Technical Field
The invention belongs to the field of passenger cars, and relates to an insulated pure electric passenger car fuel cell box with temperature regulation performance.
Background
Along with the popularization of green energy, people's trip also tends to green energy source, the passenger train also develops to [ electric ] motor coach by original fuel passenger train, [ electric ] motor coach supplies power through fuel cell, wherein fuel cell is fixed in the battery box, the normal work of battery is directly influenced to the good or bad of battery box quality, because the battery box exposes in the atmosphere throughout the year and receives external environment's influence very big, can produce a large amount of heats in the battery use simultaneously, the heat conductivility of battery box influences the life of battery, and because the battery box exposes externally, high temperature and low temperature have very big influence to battery work.
Disclosure of Invention
The invention aims to provide an insulated pure electric bus fuel cell box with temperature regulation performance, the cell box is prepared from a silicon carbide composite material and has certain strength, and meanwhile, as the surface of the box body is coated with a liquid paraffin phase-change material in a dip-coating manner, and meanwhile, the surface of the box body is coated with a layer of coating, and the coating contains a composite paraffin phase-change material, the prepared cell box has good temperature regulation and heat conduction performance.
The purpose of the invention can be realized by the following technical scheme:
an insulated pure electric bus fuel cell box with temperature regulation performance comprises a box body, wherein the box body is made of a silicon carbide composite material;
the preparation process of the box body comprises the following steps:
(1) uniformly mixing silicon carbide and a pore-foaming agent according to a certain proportion, then adding an ethanol solvent for grinding, drying in an oven at 40-60 ℃ after uniformly grinding, and sintering at 1400 ℃ to obtain macroporous silicon carbide;
(2) putting silicon powder and the macroporous silicon carbide prepared in the step 1 into a high-speed stirrer, adding water, a bonding agent and an anti-settling agent into the stirrer, stirring at a high speed for 2-4h to obtain a mixed material, then putting the mixed material into a mold, and carrying out pressure forming on the mixed material, and then drying the formed blank at the temperature of 100-;
(3) nitriding and sintering the blank dried in the step 2 in a nitriding chamber at 1500 ℃ of 1000-;
(4) soaking the box body prepared in the step 3 in liquid paraffin for 10-20min, taking out the box body, cooling the box body until a layer of paraffin film is formed on the surface of the box body, polishing the surface of the box body by using a steel wire brush roller, removing the paraffin film on the surface of the box body, and only keeping paraffin in a rough gap of the box body;
(5) spraying a layer of coating on the polished surface of the box body by using a spray gun at 15-25 ℃, and curing and drying by using ultraviolet lamp irradiation at 20-40 ℃ after complete spraying.
In the step 1, the pore-foaming agent is dextrin, and the use amount of the dextrin accounts for 30-40% of the mass of the silicon carbide.
The mass ratio of the silicon powder to the macroporous silicon carbide in the step 2 is 1: 5.3-8.2.
The binding agent in the step 2 is one of phenolic resin and starch, and the mass ratio of the binding agent to the silicon powder is 1: 2.3-3.1.
The coating in the step 5 is prepared by adding a certain amount of composite paraffin powder into the finish paint, wherein the addition amount of the paraffin powder accounts for 4.8-10.6% of the mass of the finish paint, and the preparation process of the composite paraffin powder comprises the following steps:
s1, putting a certain amount of paraffin into a reaction container, and heating to 70-80 ℃ to completely melt the paraffin;
s2: adding mesoporous silicon dioxide into the melted paraffin while stirring, wherein the mass ratio of the mesoporous silicon dioxide to the paraffin is 1:2.5-5.6, continuously stirring for 0.5-1h after the mesoporous silicon dioxide and the paraffin are completely added, and drying the obtained product at 30-50 ℃ to obtain the composite paraffin powder.
The invention has the beneficial effects that:
the battery box is made of silicon carbide materials, so that the box body has high strength, and meanwhile, as the material for preparing the battery box adopts the large-hole silicon carbide, the surface of the box body is rough and has gaps, so that liquid paraffin is conveniently filled in the rough gaps on the surface of the box body, and the aim of regulating the temperature of the box body is fulfilled.
The surface of the battery box body is coated with a layer of coating, the coating is prepared by mixing an antibacterial coating and a high-temperature resistant coating, so that the coating has two characteristics of antibiosis and high-temperature resistance, and meanwhile, the composite paraffin powder is added into the coating, so that the coating outside the box body has temperature regulation performance, the temperature regulation of the box body in high-temperature and low-temperature environments is facilitated, and batteries in the box body are protected.
Detailed Description
Example 1:
an insulated pure electric bus fuel cell box with temperature regulation performance comprises a box body, wherein the box body is made of a silicon carbide composite material;
the preparation process of the box body comprises the following steps:
(1) uniformly mixing silicon carbide and dextrin according to a certain proportion, wherein the using amount of the dextrin accounts for 30% of the mass of the silicon carbide, then adding an ethanol solvent for grinding, drying in a drying oven at 40 ℃ after uniform grinding, and sintering at 1400 ℃ to obtain macroporous silicon carbide;
(2) putting silicon powder and the macroporous silicon carbide prepared in the step 1 into a high-speed stirrer according to the mass ratio of 1:5.3, adding water, a bonding agent and an anti-settling agent into the stirrer, wherein the bonding agent is phenolic resin, the ratio of the addition amount of the bonding agent to the addition amount of the silicon powder is 1:2.3, stirring at a high speed for 2 hours to obtain a mixed material, then putting the mixed material into a mold for pressure forming, and then drying the formed blank at 100 ℃;
(3) nitriding and sintering the blank dried in the step 2 in a nitriding chamber at 1000 ℃ to obtain a box body with a rough surface;
(4) soaking the box body prepared in the step 3 in liquid paraffin for 10min, taking out the box body, cooling the box body until a layer of paraffin film is formed on the surface of the box body, polishing the surface of the box body by using a steel wire brush roller, removing the paraffin film on the surface of the box body, and only keeping paraffin in a rough gap of the box body;
(5) spraying a layer of coating on the surface of the polished box body by using a spray gun at 15 ℃, and after the coating is completely sprayed, irradiating, curing and drying by using an ultraviolet lamp at 20 ℃, wherein the coating is prepared by adding a certain amount of composite paraffin powder into finish paint, the addition of the paraffin powder accounts for 4.8% of the mass of the finish paint, and the preparation process of the composite paraffin powder comprises the following steps:
s1, putting a certain amount of paraffin into a reaction container, and heating to 70 ℃ to completely melt the paraffin;
s2: adding mesoporous silicon dioxide into the melted paraffin while stirring, wherein the mass ratio of the mesoporous silicon dioxide to the paraffin is 1:2.5, continuously stirring for 0.5h after the mesoporous silicon dioxide and the paraffin are completely added, and then drying the obtained product at 30 ℃ to obtain the composite paraffin powder.
Example 2:
an insulated pure electric bus fuel cell box with temperature regulation performance comprises a box body, wherein the box body is made of a silicon carbide composite material;
the preparation process of the box body comprises the following steps:
(1) uniformly mixing silicon carbide and dextrin according to a certain proportion, wherein the using amount of the dextrin accounts for 36% of the mass of the silicon carbide, then adding an ethanol solvent for grinding, drying in an oven at 47 ℃ after uniformly grinding, and sintering at 1400 ℃ to obtain macroporous silicon carbide;
(2) putting silicon powder and the macroporous silicon carbide prepared in the step 1 into a high-speed stirrer according to the mass ratio of 1:7.4, adding water, a bonding agent and an anti-settling agent into the stirrer, wherein the bonding agent is phenolic resin, the ratio of the addition amount of the bonding agent to the addition amount of the silicon powder is 1:2.8, stirring at a high speed for 3 hours to obtain a mixed material, then putting the mixed material into a mold for pressure forming, and then drying the formed blank at 100 ℃;
(3) nitriding and sintering the blank dried in the step 2 in a nitriding chamber at 1300 ℃ to obtain a box body with a rough surface;
(4) soaking the box body prepared in the step 3 in liquid paraffin for 15min, taking out the box body, cooling the box body until a layer of paraffin film is formed on the surface of the box body, polishing the surface of the box body by using a steel wire brush roller, removing the paraffin film on the surface of the box body, and only keeping paraffin in a rough gap of the box body;
(5) spraying a layer of coating on the surface of the polished box body by using a spray gun at 20 ℃, and after the coating is completely sprayed, irradiating, curing and drying by using an ultraviolet lamp at 30 ℃, wherein the coating is prepared by adding a certain amount of composite paraffin powder into finish paint, the addition of the paraffin powder accounts for 7.4% of the mass of the finish paint, and the preparation process of the composite paraffin powder comprises the following steps:
s1, putting a certain amount of paraffin into a reaction container, and heating to 75 ℃ to completely melt the paraffin;
s2: adding mesoporous silicon dioxide into the melted paraffin while stirring, wherein the mass ratio of the mesoporous silicon dioxide to the paraffin is 1:3.7, continuously stirring for 0.5h after the mesoporous silicon dioxide and the paraffin are completely added, and then drying the obtained product at 40 ℃ to obtain the composite paraffin powder.
Example 3:
an insulated pure electric bus fuel cell box with temperature regulation performance comprises a box body, wherein the box body is made of a silicon carbide composite material;
the preparation process of the box body comprises the following steps:
(1) uniformly mixing silicon carbide and dextrin according to a certain proportion, wherein the using amount of the dextrin accounts for 38% of the mass of the silicon carbide, then adding an ethanol solvent for grinding, drying in a 60 ℃ drying oven after uniform grinding, and sintering at 1400 ℃ to obtain macroporous silicon carbide;
(2) putting silicon powder and the macroporous silicon carbide prepared in the step 1 into a high-speed stirrer according to the mass ratio of 1:7.9, adding water, a bonding agent and an anti-settling agent into the stirrer, wherein the bonding agent is phenolic resin, the ratio of the addition amount of the bonding agent to the addition amount of the silicon powder is 1:2.5, stirring at a high speed for 4 hours to obtain a mixed material, then putting the mixed material into a mold for pressure forming, and then drying the formed blank at 120 ℃;
(3) nitriding and sintering the blank dried in the step 2 in a nitriding chamber at 1500 ℃ to obtain a box body with a rough surface;
(4) soaking the box body prepared in the step 3 in liquid paraffin for 20min, taking out the box body, cooling the box body until a layer of paraffin film is formed on the surface of the box body, polishing the surface of the box body by using a steel wire brush roller, removing the paraffin film on the surface of the box body, and only keeping paraffin in a rough gap of the box body;
(5) spraying a layer of coating on the surface of the polished box body by using a spray gun at 25 ℃, and after the coating is completely sprayed, irradiating, curing and drying by using an ultraviolet lamp at 40 ℃, wherein the coating is prepared by adding a certain amount of composite paraffin powder into finish paint, the addition of the paraffin powder accounts for 8.6% of the mass of the finish paint, and the preparation process of the composite paraffin powder comprises the following steps:
s1, putting a certain amount of paraffin into a reaction container, and heating to 80 ℃ to completely melt the paraffin;
s2: adding mesoporous silicon dioxide into the melted paraffin while stirring, wherein the mass ratio of the mesoporous silicon dioxide to the paraffin is 1:4.7, continuously stirring for 1h after the mesoporous silicon dioxide and the paraffin are completely added, and drying the obtained product at 50 ℃ to obtain the composite paraffin powder.
Example 4:
an insulated pure electric bus fuel cell box with temperature regulation performance comprises a box body, wherein the box body is made of a silicon carbide composite material;
the preparation process of the box body comprises the following steps:
(1) uniformly mixing silicon carbide and dextrin according to a certain proportion, wherein the using amount of the dextrin accounts for 40% of the mass of the silicon carbide, then adding an ethanol solvent for grinding, drying in a 60 ℃ drying oven after uniform grinding, and sintering at 1400 ℃ to obtain macroporous silicon carbide;
(2) putting silicon powder and the macroporous silicon carbide prepared in the step 1 into a high-speed stirrer according to the mass ratio of 1:8.2, adding water, a bonding agent and an anti-settling agent into the stirrer, wherein the bonding agent is phenolic resin, the ratio of the addition amount of the bonding agent to the addition amount of the silicon powder is 1:3.1, stirring at a high speed for 4 hours to obtain a mixed material, then putting the mixed material into a mold for pressure forming, and then drying the formed blank at 120 ℃;
(3) nitriding and sintering the blank dried in the step 2 in a nitriding chamber at 1500 ℃ to obtain a box body with a rough surface;
(4) soaking the box body prepared in the step 3 in liquid paraffin for 20min, taking out the box body, cooling the box body until a layer of paraffin film is formed on the surface of the box body, polishing the surface of the box body by using a steel wire brush roller, removing the paraffin film on the surface of the box body, and only keeping paraffin in a rough gap of the box body;
(5) spraying a layer of coating on the surface of the polished box body by using a spray gun at 25 ℃, and after the coating is completely sprayed, irradiating, curing and drying by using an ultraviolet lamp at 40 ℃, wherein the coating is prepared by adding a certain amount of composite paraffin powder into finish paint, the addition of the paraffin powder accounts for 10.6% of the mass of the finish paint, and the preparation process of the composite paraffin powder comprises the following steps:
s1, putting a certain amount of paraffin into a reaction container, and heating to 80 ℃ to completely melt the paraffin;
s2: adding mesoporous silicon dioxide into the melted paraffin while stirring, wherein the mass ratio of the mesoporous silicon dioxide to the paraffin is 1:5.6, continuously stirring for 1h after the mesoporous silicon dioxide and the paraffin are completely added, and drying the obtained product at 50 ℃ to obtain the composite paraffin powder.
The specific preparation process of the coating comprises the following steps: uniformly mixing the antibacterial coating and the high-temperature-resistant coating in a high-speed mixer according to the mass ratio of 1:1.2-1.5, adding the composite paraffin powder into the uniformly mixed coating, and uniformly mixing to obtain the coating.
The cases prepared in examples 1 to 4 were subjected to the performance test, and the results are shown in the following table:
table: results of performance tests on the cases prepared in examples 1 to 4
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (1)
1. An insulated pure electric bus fuel cell box with temperature regulation performance comprises a box body and is characterized in that the box body is made of silicon carbide composite materials;
the preparation process of the box body comprises the following steps:
(1) uniformly mixing silicon carbide and a pore-foaming agent, adding an ethanol solvent for grinding, drying in an oven at 40-60 ℃ after uniformly grinding, and sintering at 1400 ℃ to obtain macroporous silicon carbide;
(2) putting silicon powder and the macroporous silicon carbide prepared in the step 1 into a high-speed stirrer, adding water, a bonding agent and an anti-settling agent into the stirrer, stirring at a high speed for 2-4h to obtain a mixed material, then putting the mixed material into a mold, and carrying out pressure forming on the mixed material, and then drying the formed blank at the temperature of 100-;
(3) nitriding and sintering the blank dried in the step 2 in a nitriding chamber at 1500 ℃ of 1000-;
(4) soaking the box body prepared in the step 3 in liquid paraffin for 10-20min, taking out the box body, cooling the box body until a layer of paraffin film is formed on the surface of the box body, polishing the surface of the box body by using a steel wire brush roller, removing the paraffin film on the surface of the box body, and only keeping paraffin in a rough gap of the box body;
(5) spraying a layer of coating on the polished surface of the box body by using a spray gun at 15-25 ℃, and curing and drying by using an ultraviolet lamp at 20-40 ℃ after complete spraying; in the step 1, the pore-foaming agent is dextrin, and the using amount of the dextrin accounts for 30-40% of the mass of the silicon carbide;
in the step 2, the mass ratio of the silicon powder to the macroporous silicon carbide is 1:5.3-8.2, the bonding agent is one of phenolic resin and starch, and the mass ratio of the bonding agent to the silicon powder is 1: 2.3-3.1;
the coating in the step 5 is prepared by adding composite paraffin powder into finish paint, wherein the addition amount of the paraffin powder is 4.8-10.6% of the mass of the finish paint;
the preparation process of the composite paraffin powder comprises the following steps:
s1, putting a certain amount of paraffin into a reaction container, and heating to 70-80 ℃ to completely melt the paraffin;
s2: adding mesoporous silicon dioxide into the melted paraffin while stirring, continuously stirring for 0.5-1h after completely adding, and drying the obtained product at 30-50 ℃ to obtain composite paraffin powder;
the mass ratio of the mesoporous silica to the paraffin is 1: 2.5-5.6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711059612.8A CN107805082B (en) | 2017-11-01 | 2017-11-01 | Insulating pure [ electric ] motor coach fuel cell case with thermoregulation performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711059612.8A CN107805082B (en) | 2017-11-01 | 2017-11-01 | Insulating pure [ electric ] motor coach fuel cell case with thermoregulation performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107805082A CN107805082A (en) | 2018-03-16 |
| CN107805082B true CN107805082B (en) | 2020-11-06 |
Family
ID=61582729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711059612.8A Active CN107805082B (en) | 2017-11-01 | 2017-11-01 | Insulating pure [ electric ] motor coach fuel cell case with thermoregulation performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107805082B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109627943B (en) * | 2018-11-20 | 2021-02-19 | 苏州烯时代材料科技有限公司 | Multifunctional coating suitable for battery box and preparation method and application thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101814620A (en) * | 2009-02-25 | 2010-08-25 | Sb锂摩托有限公司 | Battery |
| CN103267206A (en) * | 2013-04-28 | 2013-08-28 | 上海海事大学 | Vacuum heat insulation panel of phase-change materials and glass fiber composite core materials and preparation method thereof |
| CN203367370U (en) * | 2013-06-19 | 2013-12-25 | 孟祥辉 | High-safety cylindrical battery |
| CN104150940A (en) * | 2013-05-14 | 2014-11-19 | 中国科学院上海硅酸盐研究所 | Silicon nitride/silicon carbide complex phase porous ceramic and preparation method thereof |
| CN104167574A (en) * | 2013-05-17 | 2014-11-26 | 同济大学 | Passive phase-change material cooling system for power battery of electric automobile |
| KR20150015216A (en) * | 2013-07-31 | 2015-02-10 | 주식회사 엘지화학 | Device for Heating the Battery Pack Using Phase Change Material and Temperature Control Apparatus for the Battery Pack Comprising the Same |
| CN105199472A (en) * | 2015-09-18 | 2015-12-30 | 南京逸柔蒂雯新材料科技有限公司 | Preparation method of aerogel-based heat-insulation phase change coating |
| CN106585522A (en) * | 2016-11-30 | 2017-04-26 | 深圳市沃特玛电池有限公司 | Electric vehicle chassis protection plate |
-
2017
- 2017-11-01 CN CN201711059612.8A patent/CN107805082B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101814620A (en) * | 2009-02-25 | 2010-08-25 | Sb锂摩托有限公司 | Battery |
| CN103267206A (en) * | 2013-04-28 | 2013-08-28 | 上海海事大学 | Vacuum heat insulation panel of phase-change materials and glass fiber composite core materials and preparation method thereof |
| CN104150940A (en) * | 2013-05-14 | 2014-11-19 | 中国科学院上海硅酸盐研究所 | Silicon nitride/silicon carbide complex phase porous ceramic and preparation method thereof |
| CN104167574A (en) * | 2013-05-17 | 2014-11-26 | 同济大学 | Passive phase-change material cooling system for power battery of electric automobile |
| CN203367370U (en) * | 2013-06-19 | 2013-12-25 | 孟祥辉 | High-safety cylindrical battery |
| KR20150015216A (en) * | 2013-07-31 | 2015-02-10 | 주식회사 엘지화학 | Device for Heating the Battery Pack Using Phase Change Material and Temperature Control Apparatus for the Battery Pack Comprising the Same |
| CN105199472A (en) * | 2015-09-18 | 2015-12-30 | 南京逸柔蒂雯新材料科技有限公司 | Preparation method of aerogel-based heat-insulation phase change coating |
| CN106585522A (en) * | 2016-11-30 | 2017-04-26 | 深圳市沃特玛电池有限公司 | Electric vehicle chassis protection plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107805082A (en) | 2018-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105084905B (en) | A kind of inner container of electric cooker of composite ceramic material and preparation thereof | |
| CN109517520A (en) | A kind of aeroge coating, airsetting gel coating and the method by aeroge coating preparation airsetting gel coating | |
| CN105601344B (en) | A kind of medium temperature antioxidant coating, preparation method and carbon/carbon composite product | |
| CN105038142A (en) | Preparing method of hot-melt prepreg of novolac epoxy resin | |
| CN105238041A (en) | Nylon powder material for selective laser sintering and preparation method of nylon power material | |
| CN107805082B (en) | Insulating pure [ electric ] motor coach fuel cell case with thermoregulation performance | |
| CN109852110A (en) | A kind of preparation method improving chromium-free environment-friendly coating orientation silicon steel surface quality | |
| CN109371757A (en) | Ornament materials, facing paper with pearl effect and preparation method thereof and decorative panel | |
| CN106065234A (en) | A kind of disinfection cabinet outer surface powdery paints and preparation method thereof | |
| CN108012347B (en) | Preparation process of infrared electrothermal film | |
| CN103409063B (en) | Environment-friendly room temperature curing organic silicon high-temperature resistant coating and preparation method thereof | |
| CN108587051A (en) | A kind of high temperature resistant anticracking clutch surface and its preparation process | |
| CN115806764B (en) | Insulating paint for new energy automobile battery and preparation method thereof | |
| CN102850828A (en) | Active nano silica composition and preparation method thereof | |
| CN103756559A (en) | Solar energy heat absorbing coating of vacuum pipe | |
| CN112029412A (en) | Antibacterial waterproof coating and preparation method and application thereof | |
| CN105860776A (en) | Powder coating for washing machine shell and preparation method of powder coating | |
| JPS60156771A (en) | Coating composition for solar heat energy selective absorption | |
| CN105860764A (en) | Powder coating for automotive interior parts and preparing method thereof | |
| CN107099189B (en) | LED curing ink for bottle body surface and preparation and curing methods thereof | |
| CN112812505A (en) | Composite heat-resistant material for engine heat shield and preparation method thereof | |
| CN106220882B (en) | A kind of Salar light-gathering supporting plate and preparation method | |
| CN110713703A (en) | Method for manufacturing SMC aviation warning ball | |
| CN110819151B (en) | Solar heat-absorbing material | |
| CN102163479B (en) | Device for manufacturing enameled copper flat wire for wind driven generator by die method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |