CN108689397A - A kind of carbon hollow ball aeroge, preparation method and application - Google Patents
A kind of carbon hollow ball aeroge, preparation method and application Download PDFInfo
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- CN108689397A CN108689397A CN201710228550.2A CN201710228550A CN108689397A CN 108689397 A CN108689397 A CN 108689397A CN 201710228550 A CN201710228550 A CN 201710228550A CN 108689397 A CN108689397 A CN 108689397A
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0091—Preparation of aerogels, e.g. xerogels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/18—Carbon
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
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- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/366—Composites as layered products
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
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- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Abstract
The invention discloses a kind of carbon hollow ball aeroge, preparation method and applications.The carbon hollow ball aeroge includes the three-dimensional porous network structure being mainly made of carbon hollow ball and two-dimensional material, the carbon hollow ball of wherein at least part is coated by two-dimensional material, and the carbon hollow ball aeroge has the nano-porous structure being made of micropore, mesoporous and macro hole.The preparation method includes:Carbon hollow ball presoma aqueous liquid dispersion and two-dimensional material aqueous liquid dispersion are uniformly mixed, two-dimensional material-carbon hollow ball presoma composite dispersion liquid is formed, reducing agent is added later, is uniformly mixed and stands, forms composite hydrogel;The processing such as aging, solvent displacement, dry and carbonization are carried out to the composite hydrogel again, obtain carbon hollow ball aeroge.The present invention is obtained, and carbon hollow ball aeroge is had excellent performance, and can realize continuous production, has huge application prospect in the fields such as electrochemical energy storage and energy conversion.
Description
Technical field
The present invention relates to a kind of carbon hollow ball aeroge more particularly to a kind of carbon hollow ball aeroge and its prepares and answer
With belonging to nano-porous materials technical field.
Background technology
Aeroge is cellular solid made of being set up by the colloidal particle unit of Nano grade, has high-ratio surface
The special performances such as product, high porosity, low-density, lower thermal conductivity have important application in numerous areas, are such as used as energy storage material
Material, sewage disposal, insulation etc..
All it is to first pass through molecule to be assembled into nano unit in the production of aeroge at present, then nano unit is assembled into solidifying
Glue, gel finally obtain aeroge by drying, and such as traditional aerosil is exactly first by ethyl orthosilicate (Si
(OC2H5)4, abbreviation TEOS) and nanometer silicon dioxide particle is formed, then particle packing forms continuous three-dimensional space network and obtains
Silica dioxide gel, eventually by being dried to obtain aerosil (document Journal of colloid and
interface science,1998,197(2):353-359).The characteristics such as the nanometer construction unit pattern of traditional aeroge are not
Controllably, therefore it is unfavorable for the functionalization preparation and application of aeroge.Two in aerosil preparation process as escribed above
The growth of silicon oxide particle is difficult to carry out accuracy controlling.In addition, at present aeroge functionalization mainly by with other materials
Carry out compound, such as functional particles material and graphene be mainly mixed to get functionalization airsetting by the functionalization of graphene aerogel
Glue, but functional particles are unevenly distributed in aeroge and functional particles seriously limit aeroge in reality the problems such as falling off
Application in the production of border.Although having there is the aeroge that the nano unit directly using functionalization assembles at present, such as utilize
The nano-particle of the semi-conducting materials such as CdS, ZnS, PbS, CdSe be assembled into aeroge (document Science, 2005,307
(5708):397-400), but the aeroge specific surface area of acquisition is smaller, and mostly powder, it is difficult to obtain the block of high-specific surface area
Body aerogel material.Therefore, active demand at present controllably designs aerogel structure, to prepare with special construction
With the aerogel material of function.In view of the demand, a kind of aeroge of structure novel and corresponding preparation method are designed and proposed,
Achieve the purpose that simplified technique, shorten the production cycle, reduce cost, realizes the quick function metaplasia production of aerogel material, at
For industry technical barrier urgently to be resolved hurrily.
Invention content
The main purpose of the present invention is to provide a kind of carbon hollow ball aeroges and preparation method thereof, to overcome the prior art
In deficiency.
Another object of the present invention is to provide the application of aforementioned carbon hollow ball aeroge.
For realization aforementioned invention purpose, the technical solution adopted by the present invention includes:
An embodiment of the present invention provides a kind of carbon hollow ball aeroge, the carbon hollow ball aeroge includes mainly by carbon sky
The three-dimensional porous network structure of bulbus cordis and two-dimensional material composition, wherein at least the carbon hollow ball of part is by two-dimensional material packet
It covers, and the carbon hollow ball aeroge has by aperture in 2nm micropores below, the mesoporous and aperture that aperture is 2~50nm
The nano-porous structure of macro hole composition more than 50nm.
Preferably, the aperture of the carbon hollow ball aeroge be 0.1~1000nm, especially preferably 0.1~500nm, than
Surface area is 100~3000m20.1~10cm of/g, Kong Rongwei3/ g, porosity are 30~99%, and bulk density is less than 70mg/
cm3, conductivity is 100~5000S/m, and specific capacitance is 50~500F/g.
One of preferably, the carbon hollow ball includes pure carbon hollow ball, nitrogen-doped carbon hollow ball, boron doping carbon sky
Any one in bulbus cordis and phosphorus doping carbon hollow ball or two or more combinations.
Further, a diameter of 5~500nm of the carbon hollow ball.
One of preferably, the two-dimensional material include graphene oxide, boron nitride, molybdenum disulfide, tungsten disulfide,
Any one in titanium disulfide, antimony telluride and bismuth telluride or two or more combinations, but not limited to this.
Further, the lateral dimension of the two-dimensional material is 20nm~100 μm.
The embodiment of the present invention additionally provides a kind of preparation method of carbon hollow ball aeroge comprising:
Carbon hollow ball presoma aqueous liquid dispersion and two-dimensional material aqueous liquid dispersion are provided;
The carbon hollow ball presoma aqueous liquid dispersion and two-dimensional material aqueous liquid dispersion are uniformly mixed, two-dimentional material is formed
Material-carbon hollow ball presoma composite dispersion liquid;
Reducing agent is added into the two-dimensional material-carbon hollow ball presoma composite dispersion liquid, be uniformly mixed and stands, shape
At composite hydrogel;
It carries out aging, solvent displacement, dry and carbonization treatment successively to the composite hydrogel, obtains carbon hollow ball airsetting
Glue.
The embodiment of the present invention additionally provides carbon hollow ball aeroge above-mentioned in preparation energy storage device, energy converter
Purposes in part or catalysis material.
Preferably, the energy storage device includes ultracapacitor, lithium-sulfur cell, lithium ion battery, sodium-ion battery
With any one or the two or more combinations in fuel cell.
Preferably, the energy conversion device includes in thermoelectrochemistry pond, solar cell and nano friction generator
Any one or two or more combinations.
The embodiment of the present invention additionally provides aforementioned carbon hollow ball aeroge in the controllable ordered fabrication of nano-particle, environmental treatment
Or the purposes in electromagnetic shielding field.
Preferably, the environmental treatment field includes VOC gas absorption, sea water desalination, Dye Adsorption, sewage disposal and water
Any one in body oil suction or two or more combinations.
Compared with prior art, advantages of the present invention includes:
1) preparation method of carbon hollow ball aeroge provided by the invention is simple for process, using carbon hollow ball as aeroge
Construction unit forms the aerogel material with three-dimensional porous structure using two-dimensional material as crosslinking agent simultaneously, by first preparing
The construction unit of aeroge is then assembled into two step production technology of aeroge, it can be achieved that serialization automated production, substantially reduces
Manufacturing cycle and cost have huge application prospect;
2) carbon hollow ball aeroge provided by the invention is had excellent performance, and construction unit is controllable, that is, passes through different structure lists
Member, it is easier to prepare functionalization aerogel material, and can realize continuous production, there is huge application prospect;
3) Carbon hollow sphere material prepared compared to other methods, carbon hollow ball aeroge provided by the invention is macroscopically
It is block materials, breaches traditional Carbon hollow sphere material and be the limitation of powder body material, thus has widened carbon hollow ball significantly
Application range;
4) carbon hollow ball aeroge provided by the invention is in the controllable ordered fabrication of nano-particle, energy storage and conversion, electricity
The fields such as magnetic screen have extremely important application.
Description of the drawings
Fig. 1 a are the BET test charts of 1 obtained carbon hollow ball aeroge of the embodiment of the present invention;
Fig. 1 b are the SEM photographs of 1 obtained carbon hollow ball aeroge of the embodiment of the present invention;
Fig. 2 is the SEM photograph of 2 obtained carbon hollow ball aeroge of the embodiment of the present invention;
Fig. 3 a are the BET test charts of 3 obtained carbon hollow ball aeroge of the embodiment of the present invention;
Fig. 3 b are the SEM photographs of 3 obtained carbon hollow ball aeroge of the embodiment of the present invention;
Fig. 3 c are the TEM photos of 3 obtained carbon hollow ball aeroge of the embodiment of the present invention;
Fig. 4 a are the SEM photographs of 4 obtained carbon hollow ball aeroge of the embodiment of the present invention;
Fig. 4 b are the TEM photos of 4 obtained carbon hollow ball aeroge of the embodiment of the present invention;
Fig. 5 is the BET test charts of 5 obtained carbon hollow ball aeroge of the embodiment of the present invention;
Fig. 6 is the SEM photograph of 6 obtained carbon hollow ball aeroge of the embodiment of the present invention;
Fig. 7 is the electro-chemical test figure in thermoelectrochemistry pond prepared by 7 obtained carbon hollow ball aeroge of the embodiment of the present invention;
Fig. 8 is the electro-chemical test figure of ultracapacitor prepared by 8 obtained carbon hollow ball aeroge of the embodiment of the present invention.
Specific implementation mode
In view of deficiency in the prior art, inventor is able to propose the present invention's through studying for a long period of time and largely putting into practice
Technical solution.The technical solution, its implementation process and principle etc. will be further explained as follows.
The one side of the embodiment of the present invention provides a kind of carbon hollow ball aeroge, and the carbon hollow ball aeroge includes
The three-dimensional porous network structure being mainly made of carbon hollow ball and two-dimensional material, wherein at least the carbon hollow ball of part is by two
Material cladding is tieed up, and the carbon hollow ball aeroge has by aperture in 2nm micropores below, Jie that aperture is 2~50nm
The nano-porous structure that the macro hole of hole and aperture more than 50nm continuously forms.
Preferably, the aperture of the carbon hollow ball aeroge be 0.1~1000nm, especially preferably 0.1~500nm, than
Surface area is 100~3000m20.1~10cm of/g, Kong Rongwei3/ g, porosity are 30~99%, and bulk density is less than 70mg/
cm3, conductivity is 100~5000S/m, and specific capacitance is 50~500F/g.
One of preferably, the carbon hollow ball includes pure carbon hollow ball, nitrogen-doped carbon hollow ball, boron doping carbon sky
Any one in bulbus cordis and phosphorus doping carbon hollow ball or two or more combinations, but not limited to this.
Further, a diameter of 5~500nm of the carbon hollow ball.
One of preferably, the two-dimensional material include graphene oxide, boron nitride, molybdenum disulfide, tungsten disulfide,
Any one in titanium disulfide, antimony telluride and bismuth telluride or two or more combinations, but not limited to this.
Further, the lateral dimension of the two-dimensional material is 20nm~100 μm.
Preferably, the two-dimensional material includes two-dimensional slice material.
The performances such as the hollow structure that carbon hollow ball has small density, large specific surface area, damping capacity high and fillable,
The fields such as energy storage, catalysis and damping have broad application prospects, such as can be significantly as lithium ion battery electrode material
It promotes storage lithium performance and cyclical stability (sees document Advance Energy Materials, 2012,2 (7):873-
877.) catalyst, can be effectively reduced by degree of oxidation as catalyst carrier, improve the service life and performance of catalyst
(seeing patent CN103801354A) can effectively mitigate engine work and aerodynamic noise as engine damping material
Caused fatigue failure (seeing document Handbook of Cellular Metals, 2005,150-270) etc..
The present invention forms carbon hollow ball as the construction unit of aeroge using two-dimensional material as crosslinking agent simultaneously to be had
There is the aerogel material of three-dimensional porous structure.Design, which solves carbon hollow ball itself, through this structure can not form whole blocks
The problem of body gel, because being small by point and point contact, contact surface between carbon hollow ball, binding force is weak, and selects with soft
The two-dimensional material of toughness can be very good to be coated on carbon hollow ball surface as crosslinking agent, contact of the realization face with face, thus
Increasing contact area helps to prepare complete block materials.Meanwhile such structure design both remains carbon hollow ball
Intrinsic property, such as hollow fillable structure, high-specific surface area, low-density, while the excellent properties of two-dimensional material are introduced again,
As two-dimensional grapheme material has high conductance (106S/m), high electron mobility (2 × 105cm2/ (Vs)), the ratio table of superelevation
Area (2630m2/ g) etc., obtained carbon hollow ball aeroge combines carbon hollow ball, two-dimensional material and aeroge three
Advantage, while overcoming Carbon hollow sphere material itself powder characteristics is applying upper limitation.
The embodiment of the present invention another aspect provides the preparation methods of aforementioned carbon hollow ball aeroge comprising:
Carbon hollow ball presoma aqueous liquid dispersion and two-dimensional material aqueous liquid dispersion are provided;
The carbon hollow ball presoma aqueous liquid dispersion and two-dimensional material aqueous liquid dispersion are uniformly mixed, two-dimentional material is formed
Material-carbon hollow ball presoma composite dispersion liquid;
Reducing agent is added into the two-dimensional material-carbon hollow ball presoma composite dispersion liquid, be uniformly mixed and stands, shape
At composite hydrogel;
It carries out aging, solvent displacement, dry and carbonization treatment successively to the composite hydrogel, obtains carbon hollow ball airsetting
Glue.
One of preferably, a concentration of 0.1~100mg/ml of the two-dimensional material aqueous liquid dispersion.
Preferably, the two-dimensional material in the two-dimensional material aqueous liquid dispersion includes graphene oxide, boron nitride, curing
Any one in molybdenum, tungsten disulfide, titanium disulfide, antimony telluride and bismuth telluride or two or more combinations, but not limited to this.
Further, the lateral dimension of the two-dimensional material is 20nm~100 μm.
Preferably, the two-dimensional material includes two-dimensional slice material.
Preferably, the water in the two-dimensional material aqueous liquid dispersion includes appointing in deionized water, distilled water and pure water
Meaning a combination of one or more, but not limited to this.
One of preferably, a concentration of 1~500mg/ml of the carbon hollow ball presoma aqueous liquid dispersion.
One of preferably, the carbon hollow ball presoma packet for including in the carbon hollow ball presoma aqueous liquid dispersion
Any one in phenolic resin, conducting polymer and natural polymer or two or more combinations are included, but not limited to this.Example
Such as, the carbon hollow ball presoma can be that aniline-pyrroles is copolymerized hollow ball.
Preferably, the grain size of the carbon hollow ball presoma is 0.1~500 μm.
Preferably, the water in the carbon hollow ball aqueous liquid dispersion includes appointing in deionized water, distilled water and pure water
Meaning a combination of one or more, but not limited to this.
One of preferably, carbon hollow ball forerunner in the two-dimensional material-carbon hollow ball presoma composite dispersion liquid
Body and the mass ratio of two-dimensional material are 1:20~20:1.
One of preferably, the reducing agent includes ascorbic acid, hydrogen iodide, sodium borohydride, hydrazine hydrate, vulcanization
Any one in sodium and ammonium hydroxide or two or more combinations, but not limited to this.
Preferably, the reducing agent and the mass ratio of two-dimensional material are 0.1:1~20:1.
One of preferably, the preparation method includes:To the two-dimensional material-carbon hollow ball forerunner's bluk recombination point
Reducing agent is added in dispersion liquid, be uniformly mixed and stands 1~240h in 0~90 DEG C, forms composite hydrogel.
Preferably, the condition of the burin-in process includes:Aging temperature is 0~90 DEG C, and the time is 1h~10 day.
One of preferably, the preparation method includes:With solvent to the composite hydrogel carry out washing and it is molten
Agent is replaced.
Preferably, the condition of the solvent displacement includes:The composite hydrogel is placed in solvent, it is quiet at 0~100 DEG C
Set 1min~480h.
Preferably, the solvent includes ethyl alcohol, acetone, hexamethylene, n-hexane, dimethylformamide, chloroform, hexamethyl two
Any one in first silicon ether, pentane or two or more combinations, but not limited to this.
Preferably, the number of the solvent displacement is 0~20 time.
Among some exemplary embodiments, the mode of the drying includes freeze-drying and/or supercritical drying.
Preferably, the temperature of the freeze-drying is -10 DEG C~liquid nitrogen temperature (- 196 DEG C), and pressure is 10~1000Pa,
Time is 1~240h.
Preferably, the medium of the supercritical drying includes any one in supercritical carbon dioxide, methanol and ethyl alcohol
Or two or more combinations, but not limited to this.
Preferably, the pressure of the supercritical drying is 7~100MPa, and temperature is 30~500 DEG C, and the time is 2~48h.
Among some exemplary embodiments, the condition of the carbonization treatment includes:Under protective atmosphere, with 0.1~
The rate of 50 DEG C/min is warming up to 200~1500 DEG C, and keeps the temperature 1~100h.
Preferably, the protective atmosphere includes nitrogen and inert gas atmosphere.
Further, the inert gas includes argon gas.
Among some exemplary embodiments, the material hybrid mode that is used in the preparation method include ultrasonic disperse,
Any one in mechanical agitation and magnetic agitation or two or more combinations, but not limited to this.
Wherein, among one more specifically exemplary embodiments, the preparation method includes:
Hollow ball is copolymerized as carbon hollow ball presoma using aniline-pyrroles, makes itself and graphene oxide by being ultrasonically treated
Aqueous liquid dispersion is uniformly mixed and forms mixture system, and reducing agent is added in mixture system, and dissolving is uniformly dispersed, and stands shape
At gel, solvent displacement is carried out with ethyl alcohol or acetone later, most obtains carbon hollow ball airsetting through supercritical drying and carbonization afterwards
Glue.
The embodiment of the present invention another aspect provides aforementioned carbon hollow ball aeroge in prepare energy storage device, energy
Purposes in source converter part or catalysis material.
Preferably, the energy storage device includes ultracapacitor, lithium-sulfur cell, lithium ion battery, sodium-ion battery
With any one or the two or more combinations in fuel cell, but not limited to this.
Preferably, the energy conversion device includes in thermoelectrochemistry pond, solar cell and nano friction generator
Any one or two or more combinations, but not limited to this.
The embodiment of the present invention additionally provides the carbon hollow ball aeroge in the controllable ordered fabrication of nano-particle, environmental treatment
Or the purposes in electromagnetic shielding field.
Preferably, the environmental treatment field includes VOC gas absorption, sea water desalination, Dye Adsorption, sewage disposal and water
Any one in body oil suction or two or more combinations, but not limited to this.
Preferably, the catalysis material includes catalyst carrier.
Preferably, the electromagnetic arts include electromagnetic wave absorption or shielding electromagnetic wave.
Preferably, the purposes of the carbon hollow ball aeroge specifically includes:
1) the carbon hollow ball aeroge is used for the preparation of electrochemical energy storage and switching device electrode, and it is high to assign electrode material
Specific surface area, high conductivity, cyclical stability, realize quick electrochemical reaction.
2) the carbon hollow ball aeroge has higher specific surface area while having a large amount of micropore, for absorption organic matter and
Gas provides adsorption site.
3) there is the carbon hollow ball aeroge excellent conductivity, magnetic conductivity to have three-dimensional porous network structure simultaneously, make
It, which absorbs shielding electromagnetic waves, has extraordinary effect.
For example, an embodiment of the present invention provides a kind of electrode material, it includes carbon hollow ball aeroge above-mentioned, and it is described
Carbon hollow ball aeroge fills either compacting as active material and forms electrode material or the carbon hollow ball in collector
Aeroge directly forms electrode material.
Preferably, the active material includes the mixture of carbon hollow ball aeroge and Kynoar.
Further, the form of the carbon hollow ball aeroge includes powder, block or thin slice etc..
Preferably, the collector includes arbitrary in nickel foam, foam copper, copper sheet, gold plaque, platinized platinum, glass carbon and aluminium foil
A combination of one or more, but not limited to this.
Preferably, the pressure when active material is suppressed with collector is 5~100MPa.
In another example the embodiment of the present invention additionally provides a kind of ultracapacitor, it includes electrode materials above-mentioned.
The embodiment of the present invention additionally provides the preparation method of the ultracapacitor comprising:By electrode material above-mentioned
It is placed in electrolyte, encapsulation forms ultracapacitor.
Preferably, the electrolyte includes gel electrolyte, aqueous solution electrolysis liquid, organic electrolyte and ionic liquid electrolysis
Any one in liquid or two or more combinations, but not limited to this.
Preferably, a concentration of 0.001M of the electrolyte~pure solution.
The embodiment of the present invention additionally provides the test method of the ultracapacitor comprising:By former electrodes material group
Dress forms three-electrode system or two electrode systems are tested.
Preferably, the method for the test includes cyclic voltammetry and/or constant current charge-discharge method.
Preferably, the sweep speed that the cyclic voltammetry uses is 0.1mV/S~5V/S.
Preferably, the current density that the constant current charge-discharge method uses is 0.001~100A/g.
In another example the embodiment of the present invention additionally provides a kind of thermoelectrochemistry pond, it includes electrode materials above-mentioned.
Preferably, the output voltage of the heat chemistry battery is 0.01mV~10V, and the transformation efficiency of opposite Carnot cycle is
0.5~5%.
The embodiment of the present invention additionally provides the preparation method in the thermoelectrochemistry pond comprising:Former electrodes material is set
It in electrolyte, and keeps having that set temperature is poor between two electrodes, forms heat chemistry battery.
Preferably, the electrolyte includes gel electrolyte, aqueous solution electrolysis liquid, organic electrolyte and ionic liquid electrolysis
Any one in liquid or two or more combinations, but not limited to this.
Preferably, a concentration of 0.001M of the electrolyte~pure solution.
Preferably, the temperature difference between described two electrodes is 5~200 DEG C.
The embodiment of the present invention additionally provides the test method in the thermoelectrochemistry pond comprising:With linear sweep voltammetry
The thermoelectrochemistry pond is tested for the property.
Preferably, the sweep speed that the linear sweep voltammetry uses is 0.001mV/S~10V/S.
In another example the embodiment of the present invention additionally provides a kind of sorbing material, it includes carbon hollow ball aeroges above-mentioned.
The embodiment of the present invention additionally provides a kind of adsorbent equipment comprising sorbing material above-mentioned.
Preferably, the adsorbent equipment includes air purifier, mask, breathing mask clarifier, water body purification processing dress
Set with any one or the two or more combinations in sea pollution by oil purifying processing device, but not limited to this.
The embodiment of the present invention additionally provides a kind of adsorption method comprising using carbon hollow ball aeroge above-mentioned as absorption
Substance, which is filled in adsorbent equipment, to be adsorbed pollutant or directly adsorbs pollutant with carbon hollow ball aeroge above-mentioned.
For another example the embodiment of the present invention additionally provides a kind of electromagnetic shielding material, it includes carbon hollow ball airsettings above-mentioned
Glue.
The embodiment of the present invention additionally provides a kind of electromagnetic shielding method comprising:Carbon hollow ball aeroge above-mentioned is made
It is filled in electromagnetic wave shield film for suction wave substance or is coated on electricity after carbon hollow ball aeroge above-mentioned is ground into powder
Magnetic screen film surface.
Preferably, the electromagnetic wave shield film includes any one of plastic film, metallic film and ceramic membrane.
In conclusion the present invention first the dispersion of carbon hollow ball presoma is obtained disperseing in deionized water it is uniform aqueous
Dispersion liquid, while obtaining two-dimensional material dispersion to disperse uniform two-dimensional material aqueous liquid dispersion in deionized water, then will
Carbon hollow ball presoma aqueous liquid dispersion is uniformly mixed with two-dimensional material aqueous liquid dispersion, reducing agent is added, then mixing is disperseed
Liquid stands form composite hydrogel at a certain temperature, and obtained composite hydrogel is surpassed after washing and solvent is replaced
It can be obtained carbon hollow ball aeroge after critical drying, carbonization.The carbon hollow ball aeroge that the present invention is prepared is applied super
Grade capacitor, lithium ion battery, lithium-sulfur cell, thermoelectrochemistry pond, water body oil suction, Dye Adsorption, VOC gas absorption, catalysis carry
The fields such as body, electromagnetic shielding realize preferable effect.
By above-mentioned technical proposal, carbon hollow ball aeroge provided by the invention is had excellent performance, and two steps are used in preparation
Method technique first prepares aeroge construction unit, then construction unit is assembled into aeroge, and the preparation process substantially reduces system
Standby period and cost, are conducive to prepare aerogel material on a large scale.Secondly, carbon hollow ball aeroge is block materials, is avoided
Traditional powder Carbon hollow sphere material is applying upper defect, thus has widened Carbon hollow sphere material and aerogel material significantly
Application range.
Below by way of several embodiments and the technical solution that present invention be described in more detail in conjunction with attached drawing.However, selected
Embodiment be merely to illustrate the present invention, and do not limit the scope of the invention.
Embodiment 1
(a) preparation of mixed dispersion liquid:The carbon hollow ball presoma aqueous liquid dispersion of a concentration of 1mg/ml is measured, is measured dense
Degree is the graphene oxide aqueous liquid dispersion of 0.1mg/ml, by described two dispersion liquids according to graphene oxide and carbon hollow ball
Mass ratio 1:0.5 is uniformly mixed, and is then 5 according to the mass ratio of ascorbic acid and graphene oxide:Vitamin C is added in 1 ratio
Acid, and be stirred continuously and make it completely dissolved to obtain mixed dispersion liquid;
(b) preparation of carbon hollow ball aeroge:The mixed dispersion liquid is stood 12 hours at 60 DEG C and forms Compound Water
Then the composite hydrogel is impregnated and carries out solvent displacement within 5 days in ethanol, eventually by supercritical drying by gel at room temperature
It is dry and obtain carbon hollow ball aeroge within 1 hour in 1500 DEG C of carbonizations under protection of argon gas.
The structure and performance characterization of the obtained carbon hollow ball aeroge of the present embodiment:It is tested by SEM and finds carbon hollow ball
Average diameter is 120nm, is tested through BET and finds that the specific surface area of carbon hollow ball aeroge is 301m2/ g, average pore size 2nm,
Conductivity is 300S/m, and Young's modulus 1MPa, BET test chart refers to Fig. 1 a, and scanning electron microscope (SEM) photograph refers to Fig. 1 b, other
Parameter refers to table 1.
Embodiment 2
(a) preparation of mixed dispersion liquid:The carbon hollow ball presoma aqueous liquid dispersion of a concentration of 1mg/ml is measured, is measured dense
Degree is the graphene oxide aqueous liquid dispersion of 100mg/ml, by described two dispersion liquids according to graphene oxide and carbon hollow ball
Mass ratio 1:1 is uniformly mixed, and is then 5 according to the mass ratio of ascorbic acid and graphene oxide:Vitamin C is added in 1 ratio
Acid, and be stirred continuously and make it completely dissolved to obtain mixed dispersion liquid;
(b) preparation of carbon hollow ball aeroge:The mixed dispersion liquid is stood 12 hours at 60 DEG C and forms Compound Water
Then the composite hydrogel is impregnated and carries out solvent displacement within 5 days in ethanol, eventually by supercritical drying by gel at room temperature
It is dry and under protection of argon gas in 900 DEG C be carbonized 10 hours, obtain carbon hollow ball aeroge.
The structure and performance characterization of the obtained carbon hollow ball aeroge of the present embodiment:It is tested by SEM and finds carbon hollow ball
Average diameter is 110nm, is tested through BET and finds that the specific surface area of carbon hollow ball aeroge is 609m2/ g, average pore size 5nm,
Conductivity is 544.1S/m, Young's modulus 0.8MPa, and scanning electron microscope (SEM) photograph refers to Fig. 2, and other parameters refer to table 1.
Embodiment 3
(a) preparation of mixed dispersion liquid:The carbon hollow ball presoma aqueous liquid dispersion of a concentration of 500mg/ml is measured, is measured
The graphene oxide aqueous liquid dispersion of a concentration of 100mg/ml, by described two dispersion liquids according to graphene oxide and carbon hollow ball
Mass ratio 1:2 are uniformly mixed, and are then 5 according to the mass ratio of ascorbic acid and graphene oxide:Vitamin C is added in 1 ratio
Acid, and be stirred continuously and make it completely dissolved to obtain mixed dispersion liquid;
(b) preparation of carbon hollow ball aeroge:The mixed dispersion liquid is stood 12 hours at 60 DEG C and forms Compound Water
Then the composite hydrogel is impregnated and carries out solvent displacement within 5 days in ethanol, eventually by supercritical drying by gel at room temperature
It is dry and under protection of argon gas in 200 DEG C be carbonized 100 hours, obtain carbon hollow ball aeroge.
The structure and performance characterization of the obtained carbon hollow ball aeroge of the present embodiment:It is tested by SEM and finds carbon hollow ball
Average diameter is 110nm, is tested through BET and finds that the specific surface area of carbon hollow ball aeroge is 577m2/ g, average pore size 4nm,
Conductivity is 694S/m, and Young's modulus 1.8MPa, BET test chart refers to Fig. 3 a, and scanning electron microscope (SEM) photograph refers to Fig. 3 b, thoroughly
It penetrates electron microscope and refers to Fig. 3 c, other parameters refer to table 1.
Embodiment 4
(a) preparation of mixed dispersion liquid:The carbon hollow ball presoma aqueous liquid dispersion of a concentration of 0.1mg/ml is measured, is measured
The graphene oxide aqueous liquid dispersion of a concentration of 8mg/ml, by described two dispersion liquids according to graphene oxide and carbon hollow ball
Mass ratio 1:20 are uniformly mixed, and are then 5 according to the mass ratio of ascorbic acid and graphene oxide:Vitamin C is added in 1 ratio
Acid, and be stirred continuously and make it completely dissolved to obtain mixed dispersion liquid;
(b) preparation of carbon hollow ball aeroge:By the mixed dispersion liquid, and stands at 60 DEG C 12 hours and formed and is compound
Then the composite hydrogel is impregnated and carries out solvent displacement within 5 days in ethanol, eventually by overcritical by hydrogel at room temperature
It dries and is carbonized 10 hours in 900 DEG C under protection of argon gas, obtain carbon hollow ball aeroge.
The structure and performance characterization of the obtained carbon hollow ball aeroge of the present embodiment:It is tested by SEM and finds carbon hollow ball
Average diameter is 130nm, is tested through BET and finds that the specific surface area of carbon hollow ball aeroge is 569m2/ g, average pore size are
0.4nm, conductivity 263S/m, Young's modulus 0.7MPa, scanning electron microscope (SEM) photograph refer to Fig. 4 a, and transmission electron microscope picture refers to
Fig. 4 b, other parameters refer to table 1.
Embodiment 5
(a) preparation of mixed dispersion liquid:The carbon hollow ball presoma aqueous liquid dispersion of a concentration of 40mg/ml is measured, is measured
The graphene oxide aqueous liquid dispersion of a concentration of 6mg/ml, by described two dispersion liquids according to graphene oxide and carbon hollow ball
Mass ratio 20:1 is uniformly mixed, and is then 5 according to the mass ratio of ascorbic acid and graphene oxide:Vitamin C is added in 1 ratio
Acid, and be stirred continuously and make it completely dissolved to obtain mixed dispersion liquid;
(b) preparation of carbon hollow ball aeroge:The mixed dispersion liquid is stood 12 hours at 80 DEG C and forms Compound Water
Then the composite hydrogel is impregnated and carries out solvent displacement within 5 days in ethanol, eventually by supercritical drying by gel at room temperature
It is dry and obtain carbon hollow ball aeroge within 10 hours in 900 DEG C of carbonizations under protection of argon gas.
The structure and performance characterization of the obtained carbon hollow ball aeroge of the present embodiment:It is tested by SEM and finds carbon hollow ball
Average diameter is 120nm, is tested through BET and finds that the specific surface area of carbon hollow ball aeroge is 650m2/ g, average pore size 2nm,
Conductivity is 550S/m, and Young's modulus 0.9MPa, BET test chart refers to Fig. 5, and other parameters refer to table 1.
Embodiment 6
(a) preparation of mixed dispersion liquid:The carbon hollow ball presoma aqueous liquid dispersion of a concentration of 40mg/ml is measured, is measured
The graphene oxide aqueous liquid dispersion of a concentration of 6mg/ml, by described two dispersion liquids according to graphene oxide and carbon hollow ball
Mass ratio 1:2 are uniformly mixed, and are then 0.1 according to the mass ratio of ascorbic acid and graphene oxide:Vitamin C is added in 1 ratio
Acid, and be stirred continuously and make it completely dissolved to obtain mixed dispersion liquid;
(b) preparation of carbon hollow ball aeroge:The mixed dispersion liquid is stood 12 hours at 80 DEG C and forms Compound Water
Then the composite hydrogel is impregnated and carries out solvent displacement within 5 days in ethanol, eventually by supercritical drying by gel at room temperature
It is dry and under protection of argon gas in 900 DEG C be carbonized 10 hours, obtain carbon hollow ball aeroge.
The structure and performance characterization of the obtained carbon hollow ball aeroge of the present embodiment:It is tested by SEM and finds carbon hollow ball
Average diameter be 110nm, through BET test find carbon hollow ball aeroge specific surface area be 600m2/ g, average pore size are
1nm, conductivity 700S/m, Young's modulus 2MPa, scanning electron microscope (SEM) photograph refer to Fig. 6, and other parameters refer to table 1.
Embodiment 7
(a) preparation of mixed dispersion liquid:The carbon hollow ball presoma aqueous liquid dispersion of a concentration of 40mg/ml is measured, is measured
The graphene oxide aqueous liquid dispersion of a concentration of 6mg/ml, by described two dispersion liquids according to graphene oxide and carbon hollow ball
Mass ratio 1:2 are uniformly mixed, and are then 20 according to the mass ratio of ascorbic acid and graphene oxide:Vitamin C is added in 1 ratio
Acid, and be stirred continuously and make it completely dissolved to obtain mixed dispersion liquid;
(b) preparation of carbon hollow ball aeroge:The mixed dispersion liquid is stood 12 hours at 80 DEG C and forms Compound Water
Then the composite hydrogel is impregnated and carries out solvent displacement within 5 days in ethanol, eventually by supercritical drying by gel at room temperature
It is dry and obtain carbon hollow ball aeroge within 10 hours in 900 DEG C of carbonizations under protection of argon gas.By obtained carbon hollow ball aeroge 5mg packets
It overlays in nickel foam and is pressed into electrode assembling into thermoelectrochemistry pond with 7MPa pressure.
The structure and performance characterization of the obtained carbon hollow ball aeroge of the present embodiment:It is tested by SEM and finds carbon hollow ball
Average diameter is 110nm, and BET tests find that the specific surface area of carbon hollow ball aeroge is 630m2/ g, average pore size 0.7nm,
Conductivity is 590S/m, Young's modulus 1.5MPa.The output power in thermoelectrochemistry pond is 42uW, opposite Carnot cycle conversion effect
Rate is 1.4%, and electro-chemical test figure refers to Fig. 7, and other parameters refer to table 1.
Embodiment 8
(a) preparation of mixed dispersion liquid:The carbon hollow ball presoma aqueous liquid dispersion of a concentration of 40mg/ml is measured, is measured
The graphene oxide aqueous liquid dispersion of a concentration of 6mg/ml, by described two dispersion liquids according to graphene oxide and carbon hollow ball
Mass ratio 1:2 are uniformly mixed, and are then 5 according to the mass ratio of ascorbic acid and graphene oxide:Vitamin C is added in 1 ratio
Acid, and be stirred continuously and make it completely dissolved to obtain mixed dispersion liquid;
(b) preparation of carbon hollow ball aeroge:By the mixed dispersion liquid, and stands at 80 DEG C 12 hours and formed and is compound
Then the composite hydrogel is impregnated and carries out solvent displacement within 5 days in ethanol, eventually by overcritical by hydrogel at room temperature
It dries and is carbonized 10 hours in 900 DEG C under protection of argon gas, obtain carbon hollow ball aeroge.By obtained carbon hollow ball aeroge
5mg is coated on 7MPa in nickel foam and is pressed into electrode assembling into ultracapacitor.
The structure and performance characterization of the obtained carbon hollow ball aeroge of the present embodiment:It is tested by SEM and finds carbon hollow ball
Average diameter is 110nm, and BET tests find that the specific surface area of graphene crosslinking carbon hollow ball aeroge is 580m2/ g, average hole
Diameter is 1.5nm, conductivity 670S/m, Young's modulus 1.2MPa.The specific capacitance of ultracapacitor is 226F/g, electrochemistry
Test chart refers to Fig. 8, and other parameters refer to table 1.
Every test performance parameter of the carbon hollow ball aeroge prepared in 1 embodiment 1-8 of table
Pass through embodiment 1-8, it is found that the carbon hollow ball airsetting colloidality obtained by the above-mentioned technical proposal of the present invention
Can be excellent, prepare needed for equipment operation it is simple, it can be achieved that serialization automated production, substantially reduces manufacturing cycle and cost,
With huge application prospect.
In addition, mode of the inventor referring also to embodiment 1- embodiments 8, with the other raw materials listed in this specification
It is tested, is substituted for example, by using nitrogen-doped carbon hollow ball, boron doping carbon hollow ball, phosphorus doping carbon hollow ball real with condition etc.
The carbon hollow ball in a 1-8 is applied, is substituted using boron nitride, molybdenum disulfide, tungsten disulfide, titanium disulfide, antimony telluride, bismuth telluride real
It applies the graphene oxide in a 1-8 and has carried out the preparation of carbon hollow ball aeroge, and be equally made that construction unit is controllable, density
Small, large specific surface area the carbon hollow ball aeroge with excellent properties.
It should be appreciated that above-described is only some embodiments of the present invention, it is noted that for the common of this field
For technical staff, under the premise of not departing from the concept of the present invention, other modification and improvement can also be made, these are all
It belongs to the scope of protection of the present invention.
Claims (10)
1. a kind of carbon hollow ball aeroge, it is characterised in that:The carbon hollow ball aeroge includes mainly by carbon hollow ball and two
The three-dimensional porous network structure of material composition is tieed up, the carbon hollow ball of wherein at least part is coated by two-dimensional material, and institute
State what carbon hollow ball aeroge had by aperture in 2nm micropores below, mesoporous and aperture that aperture is 2~50nm more than 50nm
The nano-porous structure of macro hole composition;Preferably, the aperture of the carbon hollow ball aeroge is 0.1~1000nm, particularly preferably
For 0.1~500nm, specific surface area is 100~3000m20.1~10cm of/g, Kong Rongwei3/ g, porosity are 30~99%, accumulation
Density is less than 70mg/cm3, conductivity is 100~5000S/m, and specific capacitance is 50~500F/g;Preferably, the carbon hollow ball
Including in pure carbon hollow ball, nitrogen-doped carbon hollow ball, boron doping carbon hollow ball and phosphorus doping carbon hollow ball any one or two
Kind or more combination;Preferably, a diameter of 5~500nm of the carbon hollow ball;Preferably, the two-dimensional material includes oxidation
In graphene, boron nitride, molybdenum disulfide, tungsten disulfide, titanium disulfide, antimony telluride and bismuth telluride any one or it is two or more
Combination;Preferably, the lateral dimension of the two-dimensional material is 20nm~100 μm;Preferably, the two-dimensional material includes two dimension
Sheet layer material.
2. the preparation method of carbon hollow ball aeroge as described in claim 1, it is characterised in that including:
Carbon hollow ball presoma aqueous liquid dispersion and two-dimensional material aqueous liquid dispersion are provided;
The carbon hollow ball presoma aqueous liquid dispersion and two-dimensional material aqueous liquid dispersion are uniformly mixed, two-dimensional material-is formed
Carbon hollow ball presoma composite dispersion liquid;
Reducing agent is added into the two-dimensional material-carbon hollow ball presoma composite dispersion liquid, be uniformly mixed and stands, is formed multiple
Heshui gel;
It carries out aging, solvent displacement, dry and carbonization treatment successively to the composite hydrogel, obtains carbon hollow ball aeroge.
3. preparation method according to claim 2, it is characterised in that:The two-dimensional material aqueous liquid dispersion it is a concentration of
0.1~100mg/ml;And/or the two-dimensional material in the two-dimensional material aqueous liquid dispersion include graphene oxide, boron nitride,
Any one in molybdenum disulfide, tungsten disulfide, titanium disulfide, antimony telluride and bismuth telluride or two or more combinations;Preferably,
The lateral dimension of the two-dimensional material is 20nm~100 μm;Preferably, the two-dimensional material includes two-dimensional slice material;With/
Or, the water in the two-dimensional material aqueous liquid dispersion includes any one or two kinds in deionized water, distilled water and pure water
Above combination.
4. preparation method according to claim 2, it is characterised in that:The carbon hollow ball presoma aqueous liquid dispersion it is dense
Degree is 1~500mg/ml;And/or the carbon hollow ball presoma in the carbon hollow ball presoma aqueous liquid dispersion including includes
Any one in phenolic resin, conducting polymer and natural polymer or two or more combinations;Preferably, the carbon is hollow
Ball presoma includes that aniline-pyrroles is copolymerized hollow ball;Preferably, the grain size of the carbon hollow ball presoma is 0.1~500
μm;And/or the water in the carbon hollow ball aqueous liquid dispersion includes any one in deionized water, distilled water and pure water
Or two or more combination.
5. preparation method according to claim 2, it is characterised in that:The two-dimensional material-carbon hollow ball forerunner's bluk recombination
Carbon hollow ball presoma and the mass ratio of two-dimensional material are 1 in dispersion liquid:20~20:1;And/or the reducing agent includes anti-bad
Any one in hematic acid, hydrogen iodide, sodium borohydride, hydrazine hydrate, vulcanized sodium and ammonium hydroxide or two or more combinations;And/or
The reducing agent and the mass ratio of two-dimensional material are 0.1:1~20:1.
6. preparation method according to claim 2, it is characterised in that including:To the two-dimensional material-carbon hollow ball forerunner
Reducing agent is added in bluk recombination dispersion liquid, be uniformly mixed and stands 1~240h in 0~90 DEG C, forms composite hydrogel.
7. preparation method according to claim 2, which is characterized in that the condition of the burin-in process includes:Aging temperature
It it is 0~90 DEG C, the time is 1h~10 day;
And/or the preparation method includes:Washing is carried out to the composite hydrogel with solvent and solvent is replaced;Preferably, institute
Stating the condition that solvent is replaced includes:The composite hydrogel is placed in solvent, 1min~480h is stood at 0~100 DEG C;It is preferred that
, the solvent includes ethyl alcohol, acetone, hexamethylene, n-hexane, dimethylformamide, chloroform, Hexamethyldisiloxane, positive penta
Any one in alkane or two or more combinations;Preferably, the number of the solvent displacement is 0~20 time;
And/or the mode of the drying process includes freeze-drying and/or supercritical drying;Preferably, the freeze-drying
Temperature is -10 DEG C~liquid nitrogen temperature, and pressure is 10~1000Pa, and the time is 1~240h;Preferably, the supercritical drying
Medium includes any one or two or more combinations in supercritical carbon dioxide, methanol and ethyl alcohol;Preferably, described super to face
The pressure of boundary's drying is 7~100MPa, and temperature is 30~500 DEG C, and the time is 2~48h;
And/or the condition of the carbonization treatment includes:Under protective atmosphere, it is warming up to the rate of 0.1~50 DEG C/min
200~1500 DEG C, and keep the temperature 1~100h;Preferably, the protective atmosphere includes nitrogen and inert gas atmosphere;Preferably,
The inert gas includes argon gas.
8. preparation method according to claim 2, it is characterised in that:The material hybrid mode used in the preparation method
Including any one or the two or more combinations in ultrasonic disperse, mechanical agitation and magnetic agitation.
9. carbon hollow ball aeroge as described in claim 1 is in preparation energy storage device, energy conversion device or catalysis material
Purposes in material;Preferably, the energy storage device includes ultracapacitor, lithium-sulfur cell, lithium ion battery, sodium ion electricity
Any one in pond and fuel cell or two or more combinations;Preferably, the energy conversion device includes thermoelectrochemistry
Any one in pond, solar cell and nano friction generator or two or more combinations.
10. carbon hollow ball aeroge as described in claim 1 is in the controllable ordered fabrication of nano-particle, environmental treatment or electromagnetic screen
Cover the purposes in field;Preferably, the environmental treatment field include VOC gas absorption, sea water desalination, Dye Adsorption, at sewage
Any one in reason and water body oil suction or two or more combinations.
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