WO2018028004A1 - 一种量子碳素及制备该量子碳素的方法及装置 - Google Patents
一种量子碳素及制备该量子碳素的方法及装置 Download PDFInfo
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- WO2018028004A1 WO2018028004A1 PCT/CN2016/096157 CN2016096157W WO2018028004A1 WO 2018028004 A1 WO2018028004 A1 WO 2018028004A1 CN 2016096157 W CN2016096157 W CN 2016096157W WO 2018028004 A1 WO2018028004 A1 WO 2018028004A1
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 236
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 168
- 238000000034 method Methods 0.000 title claims abstract description 30
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- 229910021389 graphene Inorganic materials 0.000 claims abstract description 28
- 238000006056 electrooxidation reaction Methods 0.000 claims abstract description 27
- 150000001875 compounds Chemical class 0.000 claims abstract description 26
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 25
- 150000002500 ions Chemical class 0.000 claims abstract description 23
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 18
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- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical compound C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 description 2
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Images
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/184—Preparation
- C01B32/19—Preparation by exfoliation
- C01B32/192—Preparation by exfoliation starting from graphitic oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/184—Preparation
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/194—After-treatment
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/135—Carbon
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
- C25B11/042—Electrodes formed of a single material
- C25B11/043—Carbon, e.g. diamond or graphene
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/30—Cells comprising movable electrodes, e.g. rotary electrodes; Assemblies of constructional parts thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2204/00—Structure or properties of graphene
- C01B2204/02—Single layer graphene
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- C01B2204/00—Structure or properties of graphene
- C01B2204/20—Graphene characterized by its properties
- C01B2204/22—Electronic properties
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- C01B2204/00—Structure or properties of graphene
- C01B2204/20—Graphene characterized by its properties
- C01B2204/32—Size or surface area
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- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
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- C—CHEMISTRY; METALLURGY
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- C01P2004/00—Particle morphology
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- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
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- C—CHEMISTRY; METALLURGY
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- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
Definitions
- the invention relates to a method and device, in particular to a quantum carbon and a method and a device for preparing the same.
- carbon is one of the most important and important elements in nature. It has a variety of electron orbital properties of SP, SP2, and SP3 hybridization, especially the heterogeneity of carbon-carbon double bond sp2 hybridization leads to the crystallinity of the crystal, so that the carbon structural material with carbon as the only constituent element has A variety of properties, and new carbon materials are still being discovered and artificially produced. It can be said that no element can be formed as a single element like carbon to form so many structures and properties as three-dimensional diamond crystals, two-dimensional graphite sheets, one-dimensional carbene and carbon nanotubes, zero-dimensional fullerene molecules, and so on. Substance.
- graphene sheet materials in carbon structures have many advantages, and in the fields of solar cells, sensors, nanoelectronics, high-performance nanoelectronic devices, composite materials, field emission materials, gas sensors, and energy storage.
- scientists and efforts have been made to explore ways to prepare single-layer graphene, especially to produce high-quality, high-yield, low-cost, structurally stable graphene.
- the well-known methods for preparing graphene are mainly as follows: 1 peeling method, including micro mechanical peeling method and solvent stripping method; 2 growth method, including crystal epitaxial growth, orientation epitaxy, chemical vapor deposition, etc.; 3 redox graphite method, including the commonly used Hummers method, Standenmaier method, Brodie method, etc.; 4 other methods, mainly arc discharge method, graphite interlayer chemical approach, currently very novel high temperature quenching method and carbon nanotube stripping Law and so on.
- 1 peeling method including micro mechanical peeling method and solvent stripping method
- 2 growth method including crystal epitaxial growth, orientation epitaxy, chemical vapor deposition, etc.
- 3 redox graphite method including the commonly used Hummers method, Standenmaier method, Brodie method, etc.
- 4 other methods mainly arc discharge method, graphite interlayer chemical approach, currently very novel high temperature quenching method and carbon nanotube stripping Law and so on.
- the redox graphite method has a simple and diversified process, and is a commonly used method for preparing graphene, but it is only suitable for a small amount of preparation in a laboratory for research, and a large amount of preparation is liable to generate a large amount of waste acid, waste water and the like to cause environmental pollution.
- the quantum carbon includes a single-layer graphene, a multilayer graphene, and a nano-carbon structure having carbon particles having a particle diameter of 0.3 to 100 nm, and has a compound containing carbon, hydrogen, oxygen, and nitrogen on the surface layer of the carbon particles.
- the compound containing carbon, hydrogen, oxygen, and nitrogen includes a fused ring aromatic hydrocarbon, a compound containing a carbon oxygen single bond, a compound containing a carbon oxygen double bond, and a compound containing a carbon hydrogen bond.
- Quantum carbon is a thermodynamically unstable but kinetically stable metastable substance of carbon.
- the substrate constituting the quantum carbon is a monodisperse carbon atom or a cluster of carbon atoms.
- the carbon atoms in the equilibrium state have a certain stress energy and are in a higher energy state.
- the carbons in different carbon allotropes have different energies.
- the energy of carbon atoms in graphite is the most stable state.
- the energy of carbon atoms in fullerene sphere C60 is up to 0.45eV, and C240 is about 0.15eV.
- the energy of carbon atoms in carbon nanotubes and diamonds is between 0.02 and 0.03 eV.
- a quantum carbon characterized by being a crystal of a quantum carbon liquid, the crystal body being a nanocarbon structure, comprising a single layer of graphene or a plurality of graphenes, the surface layer of the crystal being containing carbon, hydrogen, oxygen, nitrogen
- the compound containing carbon, hydrogen, oxygen, nitrogen including a fused aromatic hydrocarbon, a compound containing a carbon-oxygen single bond, a compound containing a carbon-oxygen double bond, a mixture of a compound containing a carbon-hydrogen bond, or a mixture thereof
- the ratio of each element in the mixture is: C is 45%-55%, H is 0.2%-2.0%, N is 0.1%-0.3%, and O is 45%-65%.
- the crystal surface layer refers to a compound element of the surface layer of the crystal particle, that is, an element content of the entire mixture in the quantum carbon solution. (Using EAI company CE-440 fast elemental analyzer after three measurements, the average result is: C: 50.19% H: 0.42% N: 0.22% O: 49.17% analytical accuracy: 0.15%; analytical accuracy: 0.15%.
- the carbon nanoparticles have a high number of oxygen-containing groups as a whole).
- the quantum carbon solution is an aqueous solution containing quantum carbon
- the aqueous solution of the quantum carbon includes carbon particles: 0.6 ⁇ single layer graphene having a particle diameter of ⁇ 50 nm, 0.6 ⁇ particle size ⁇ 100 multilayer graphene, 0.6 nm ⁇ carbon structure particles with particle diameter ⁇ 200 nm, quantum carbon with 0.6 ⁇ particle size ⁇ 200 nm;
- the quantum carbon solution has an ORP of 280 mv-500 mv, an electric conductivity ⁇ of 1-10 ms/cm, an electromotive force of 280 mv-380 mv, a pH of 1.2-3.2, and a concentration of 0.1%-0.45%.
- the electrochemical oxidation generator portion, the ion intercalation device portion, the graphite interlaminar stripping portion, the dispersing device portion, the separating device portion, and the concentrating device portion are sequentially connected end to end; and the electronic control portion is used to control the electrochemical oxidation generator portion The operation of the ion intercalation device portion, the graphite interlaminar stripping portion, the dispersing device portion, the separating device portion, and the concentrating device portion.
- the electrochemical oxidation generator portion includes a housing and at least one set of positive and negative plates disposed in the inner cavity of the housing
- the component is arranged, the left side wall of the casing is provided with a liquid inlet a and an air inlet b, and the right side wall of the casing is provided with a discharge port c; the bottom of the casing is provided with a U-shaped bracket bracket and a central shaft is arranged thereon.
- the positive and negative plate generating components are disposed on the central axis.
- the positive and negative plate generating assembly comprises a positive plate and a negative plate which are vertically disposed, and the positive plate is graphitized three high (high density: specific gravity > 1.80, high purity: graphite > 99.9%, high strength: anti- The tensile strength is >30.00 MPa);
- the negative electrode plate is a metal plate made of 314# stainless steel or 314# stainless steel plated with Pt or Ni, and the negative electrode plate is evenly distributed with a diameter of 1 to 2 mm ⁇ (50 to 300). Through holes.
- the central shaft is provided with a elastic adjusting gap device for adjusting the gap between the positive electrode plate and the negative electrode plate, and the adjustment range is 0.5 mm to 10 mm;
- the elastic adjusting gap device comprises a sliding piece vertically disposed on the central axis and an adjusting bolt fixed on the sliding piece, one end of the adjusting spring is in contact with the positive and negative plates, and the other end is in contact with the sliding piece, the positive plate and the negative plate An insulating spring is arranged between them.
- the ion embedding device portion comprises a pump body, and a pipe system composed of a plurality of horizontal pipes and an L-shape and a flange, and an excitation rod is arranged at a corner of the L-shaped pipe; one end of the pipe system and the pump body (3) -4) The output is connected, and the other end of the pipe end is coupled with at least one set of ion embedding devices, and the ion embedding device is an adjustable high power focused ultrasonic transducer.
- the graphite interlayer peeling portion comprises a casing, a peeling assembly disposed in the casing, the inlet and the outlet are provided at both ends of the casing and closed by the end cover;
- the stripping assembly comprises a vertically disposed metal piece A, a metal piece B, And the metal piece C and the metal piece D;
- the corresponding structure of the metal piece A, the metal piece B, the metal piece C, and the metal piece D is the metal piece structure A1, the metal piece structure A2, the metal piece structure B1, and the metal piece structure B2.
- the combination thereof has a metal sheet A-metal sheet C, or a metal sheet B-metal sheet D, or a metal sheet A-metal sheet, or a metal sheet D-metal sheet A-metal sheet B-metal sheet C-metal sheet D;
- the metal piece structure A1 is a uniformly distributed hexagonal through hole disk, and the center of the disk is the center of the center hole.
- the metal sheet structure B1 and the metal sheet structure A1 have the same hole size, and are uniformly distributed hexagonal through-hole discs, but the center of the disc is the metal sheet structure A1 laterally moving 1/2 of the straight line distance between the two holes.
- the metal sheet structure A2 is a uniformly distributed circular through-hole disc, and the center of the disc is the center of the center hole.
- the metal sheet structure B2 and the metal sheet structure A2 have the same hole size, and are uniformly distributed circular through-hole discs, but the center of the disc is the metal sheet structure A2 laterally moving 1/2 of the straight line distance between the two holes.
- the metal piece structure C piece has a semicircular through hole in the periphery of the disk and at least four limit screw holes uniformly distributed in the disk.
- the metal piece structure D piece has a through hole at the center. Its combination is A1-B1, A2-B2, A-B and DABCD.
- the dispersing device portion (2-2) comprises a casing, two dispersing cavities disposed in the casing, which are respectively connected to the dispersing cavity 1 and the dispersing cavity 2, and the output end of the dispersing cavity 2 and the external output of the casing a cavity connection;
- the dispersion cavity 1 and the dispersion cavity 2 are two rectangular cavities, and an output end of the dispersion cavity is connected to the input end of the dispersion cavity 2, and the output end of the dispersion cavity 2 is wedge-shaped, the inclination angle is ⁇ ;
- the output cavity Is trapezoidal, and the inclination angle of both sides is ⁇ , the distance from the output end of the dispersion chamber 2 to the input end is L, the width is D1, the diameter of the output end of the dispersion chamber 2 is D2, and the upper part of the housing is also opened with a vertical a flow path to the junction of the dispersion chamber 1 and the dispersion chamber 2, the flow channel is an inverted T-shaped flow channel, the bottom of the
- a method for preparing quantum carbon comprising the steps of:
- Step 1 Deionized water having a pH of 6.5-7.2 and a resistance value of 180 megohms prepared by using a multilayer reverse osmosis membrane.
- a liquid inlet port a is provided in the generator on the left side wall of the partial housing of the electrochemical oxidation generator to enter the generator.
- Step 2 Using H202 (concentration: 30%) is 0.15% of the water in the generator, and enters the generator through the inlet a.
- Step 3 Through steps 1 and 2, the water and the agent enter the electrochemical oxidation generator portion and are allowed to stand for not less than 24 hours.
- the preparation procedure is then initiated via the control cabinet.
- the control cabinet provides high-frequency pulsed DC power supply, and the output DC power supply is 0-150V, 0-100A power supply chemical oxidation generator part (1) adjustment application; at the same time, the output power is 1-5KVA, 20KHz-120KHz multi-wave band interaction Emission wave, adjustable high power focused ultrasonic transducer for ion embedding devices.
- Step 4 The primary carbon sol liquid prepared by the electrochemical oxidation generator is subjected to a pressure of 3 kg/cm 3 to 10 kg/cm 3 provided by the pump, and the carbon sol liquid is transported into the ion embedding device portion to perform intercalation of hydrogen and oxygen ions between the graphite layers. . Further, after the graphite interlayer peeling portion, the graphite interlayer peeling portion device of the dispersing device portion, and the dispersing device portion are prepared, the carbon sol liquid is subjected to various parameters in the graphite layer peeling portion and the dispersing device portion device.
- the quantum carbon products of various forms are prepared by separating and concentrating as a basic liquid body of the quantum carbon. If the indicators of the carbon sol liquid do not reach the predetermined value range, the system will turn on the pump 4 to return the carbon sol liquid to the electrochemical oxidation generator for partial circulation preparation.
- the indexes of the carbon sol liquid refer to: the pH value of the quantum carbon mixture is 1.2-2.2, the electromotive force ORP value is 280 mv-380 mv, the conductivity value is 1.5 ms/cm-5.0 ms/cm, and the solid-liquid concentration is According to the normal trend of conductivity-solid content, electromotive force-solid content and pH-solid content, the solid content is 0.4%-0.6%; the temperature of the carbon sol liquid is 40°C-70°C.
- the indicators of the carbon sol liquid include detection of the particle size and particle size frequency distribution of the quantum carbon particles.
- the particle size and particle size frequency distribution of the quantum carbon ranges from 0.6 nm to 1.0 nm.
- the quantum carbon solution is obtained after each parameter is reached.
- the quantum carbon solution is centrifuged at a speed of 15,000 rpm to 30,000 rpm in a classifier to centrifuge the quantum carbon mixture.
- the quantum carbon mixture After centrifuging the quantum carbon mixture, adding 0.001%-0.010% by mass of m-hexacarboxylic acid as a crystal seed to the treated solution, and stirring at high speed for 2 hours while heating to 70 ° C - The mixture was allowed to stand at 80 ° C for >20 hours, and slowly cooled to room temperature to obtain a carbonic acid hydroxide of high purity mellitic acid crystals.
- the quantum carbon mixture Preferably, after centrifuging the quantum carbon mixture, adding 0.1%-1.0% of an alkane or adding 0.1%-1.0% of a carbon alcohol or adding an alkane or a carbon alcohol to the treated solution Proportion mixture.
- the alkane is carbon a C1-C12 alkane in which one or more mixed hydrocarbons.
- the carbon alcohol is a carbon alcohol having a C1-C12 carbon group, wherein one or more mixed alcohols.
- the mixture was stirred at high speed for 1 hour and allowed to stand for 12 hours to obtain a high-purity octane C8H18 hydrocarbon.
- the present invention has the following advantages: the invention has the advantages of simple process, low cost, easy control, easy realization of large-scale production, and no three wastes, and the production of single-layer graphene, multi-layer graphene, and carbon structure particles are uniform in particle size. High purity and stable product quality.
- Figure 1 is a diagram of a process for preparing a quantum carbon.
- Figure 2 is a diagram showing the composition of quantum carbon preparation.
- Figure 3a is a schematic view showing the structure of the electrochemical oxidation generator portion (1).
- Figure 3b is a schematic cross-sectional view of the electrochemical oxidation generator portion (1) taken along line K-K.
- Figure 3c is a schematic view showing the structure of the negative electrode plate in the electrochemical oxidation generator portion (1).
- Figure 3d is a schematic view showing the structure of the positive electrode plate in the electrochemical oxidation generator portion (1).
- Figure 4 is a schematic view showing the structure of the ion embedding device portion (3).
- Fig. 5 is a schematic view showing the structure in the portion (2) of the graphite interlayer peeling and dispersing device.
- Fig. 6a is a peeling sheet view of A1 in the peeling member (2-1).
- Fig. 6b is a peeling sheet view of B1 in the peeling member (2-1).
- Fig. 6c is a peeling sheet view of C in the peeling member (2-1).
- Fig. 6d is a peeling sheet view of A2 in the peeling member (2-1).
- Fig. 6e is a peeling sheet view of B2 in the peeling member (2-1).
- Fig. 6f is a peeling sheet view of D in the peeling member (2-1).
- Fig. 7a is a schematic view showing the combination of A1-B1 in the peeling member (2-1).
- Fig. 7b is a schematic view showing the combination of A2-B2 in the peeling member (2-1).
- Fig. 7c is a schematic view showing the combination of A and B sheets in the peeling member (2-1).
- Fig. 8 is a schematic view showing the combination of A, B, C, and D sheets in the peeling member (2-1).
- Figure 9 is a partial schematic view of the dispersing device.
- Figure 10 is a graph showing the relationship between the solid content of carbon and the conductivity.
- Figure 11 is a graph showing the relationship between the solid content of quantum carbon and the electromotive force.
- Figure 12 is a graph showing the relationship between the solid content of quantum carbon and pH.
- Figure 13 is a graph showing the parameters of the initial stage of quantum carbon preparation.
- Figure 14 is a graph showing the parameters of quantum carbon preparation.
- Figure 15 is a schematic diagram of quantum carbon oxidation.
- Figure 16 is a view showing the morphology of graphene oxide of the present invention.
- Figure 17 is an electron microscope observation of quantum carbon
- Figure 18 is another electron microscope observation of quantum carbon.
- Figure 19 is a plan view of a quantum carbon STM plane.
- Figure 20 is a three-dimensional observation of a quantum carbon STM.
- Figure 21 is a graph showing the quantum carbon STM particle size.
- Figure 22 is an infrared spectrum of quantum carbon.
- Figure 23 is an infrared standard map of quantum carbon.
- Figure 24 is a mass spectrum of the preparation of mellitic acid by quantum carbon.
- Figure 25 is a C13 map of the production of mellitic acid by quantum carbon.
- Figure 26 is an XRD diffractometer for the preparation of a carbonic acid carbonic acid.
- Figure 27 is a quantum carbon gas chromatography coupled with mass spectrometry (detection result: n-octane C8H18).
- the quantum carbon according to the present invention includes a single-layer graphene, a multilayer graphene, and a nano-carbon structure having carbon particles having a particle diameter of 0.3 to 100 nm, and has carbon, hydrogen, and oxygen in a surface layer of the carbon particles.
- a compound containing nitrogen, the compound containing carbon, hydrogen, oxygen, and nitrogen includes a fused ring aromatic hydrocarbon, a compound containing a carbon oxygen single bond, a compound containing a carbon oxygen double bond, and a compound containing a carbon hydrogen bond.
- the quantum carbon includes a quantum carbon solution, and the quantum carbon solution is an aqueous solution containing quantum carbon having an ORP of 280 mv-500 mv, a conductivity ⁇ of 1-10 ms/cm, and an electromotive force of 280 mv. -380 mv, pH 1.2-3.2, concentration 0.1-0.45%.
- the quantum carbon consists of the following mass percentages of carbon particles: 0.6 ⁇ particle size ⁇ 50 nm single-layer graphene, 0.6 ⁇ particle size ⁇ 100 multilayer graphene, 0.6 nm ⁇ particle size ⁇ 200 nm carbon structure particles, 0.6 ⁇ a quantum carbon having a particle diameter of ⁇ 200 nm; the compound containing carbon, hydrogen, oxygen, and nitrogen is a fused aromatic hydrocarbon, a compound containing a carbon-oxygen single bond, a compound containing a carbon-oxygen double bond, and a compound containing a hydrocarbon bond. a mixture of one or more of them, wherein the ratio of each element is: C 45% - 55%, H 0.2% - 2.0%, O 45% - 65%.
- the invention relates to a method for preparing a quantum carbon, comprising an electronic control part, an electrochemical oxidation generator part (1), an ion embedding device part (3), a graphite interlayer peeling, a dispersing device part (2), a separating device Part and concentrator section composition. It is characterized in that the electrochemical oxidation generator portion (1), the ion embedding device portion (3), the graphite layer peeling, the dispersing device portion (2), the separating device portion, and the concentrating device portion are sequentially connected end to end.
- the electrochemical oxidation generator portion (1) comprises a casing and at least one set of positive and negative plate generating assemblies (1-1; 1-2) disposed in the inner cavity of the casing, and the inlet port is provided on the left side wall of the casing a and the air inlet b, the discharge port c is provided on the right side wall of the casing.
- the positive electrode plate 1-2 is graphitized three high (high density: specific gravity > 1.80, high purity: graphite > 99.9%, high strength: tensile strength > 30.00 MPa);
- negative plate 1-1 is 314 # stainless steel or 314 # stainless steel
- the surface is plated with a metal plate of Pt or Ni, and uniformly distributes through holes having a diameter of 2 mm ⁇ 50-300.
- 1-3 is a PTFE bracket; 1-4 is a central axis of PTFE; 1-5 is an elastic adjustment gap device, adjusting the gap between 1-1 and 1-2, adjusting range It is 0.5mm ⁇ 10mm;
- the ion intercalation device portion (3) comprises a pump body 3-4, a conduit 3-1, a flanged pipe joint, and at least one set of ion embedding devices disposed at the end of the conduit 3-1.
- the ion embedding device is an adjustable high power focusing ultrasonic transducer (frequency 20KHz-120KHz, power 1KW-5KW).
- the graphite interlayer peeling portion 2-1 comprises four circular metal sheets of different structures A, B, C, and D, and a limit bolt 2-1.1, a casing, and two end caps.
- the four different structural metal sheets of A, B, C, and D include A1, A2, B1, and B2.
- A1 is a uniformly distributed hexagonal through-hole disc, and the center of the disc is the center of the central hole.
- B1 and A1 have the same hole size, and are uniformly distributed hexagonal through-hole discs, but the center of the disc is A1 laterally moving 1/2 of the straight line distance between the two holes.
- A2 is a uniformly distributed circular through-hole disc, and the center of the disc is the center of the central hole.
- B2 and A2 have the same hole size, and are uniformly distributed circular through-hole discs, but the center of the disc is A2 laterally moving 1/2 of the straight line distance between the two holes.
- the C piece has a semicircular through hole around the disc and at least four limit screw holes evenly distributed in the disc.
- the D piece has a through hole at the center. Its combination is A1-B1, A2-B2, A-B and DABCD.
- the dispersing device portion (2-2) comprises a casing, two dispersing cavities disposed in the casing, which are respectively connected to the dispersing cavity 1 and the dispersing cavity 2, and the output end of the dispersing cavity 2 is connected with the output cavity outside the casing
- the dispersion chamber 1 and the dispersion chamber 2 are two rectangular cavities, and an output end of the dispersion cavity is connected to the input end of the dispersion cavity 2.
- the output end of the dispersion cavity 2 is wedge-shaped, the inclination angle is ⁇ ; the output cavity is trapezoidal And the inclination angle of the two sides is ⁇ , the distance from the output end of the dispersion chamber 2 to the input end is L, the width is D1, the diameter of the output end of the dispersion chamber 2 is D2, and a vertical flow path is also opened in the upper part of the housing.
- the flow channel is an inverted T-shaped rectangular flow channel, and the bottom of the flow channel encloses the junction of the dispersion cavity 1 and the dispersion cavity 2, as shown in FIG.
- the fluid flows through different pipe diameters and a certain geometric space, and different fluid pressures and particle movement speeds are generated at various local and particle points.
- the liquid fluid entering from the inlet of A changes the liquid pressure to dynamic pressure.
- the liquid flow rate increases, and the pressure is released to generate the partial negative pressure zone E.
- the negative pressure zone E has the function of drawing in a specific gas or fluid medium from the B inlet.
- the specific gas of the present invention is air.
- the amount added is from 0.01% to 1% (liquid volume ratio), preferably from 0.1% to 0.5%.
- the pressurized zone is a specific geometrical space, and the inhaled gas is in a gas-liquid mixed phase state. Due to the enlarged diameter of the pipe, the liquid flow velocity is decreased, and the liquid is converted from static pressure to static pressure for gas pressure and pressure dissolution. After being sufficiently dissolved by pressure of the gas, the liquid has become supersaturated. When the C outlet is abruptly abruptly expanded at a certain angle to expand the pressure to the atmospheric pressure, the liquid generates a large amount of microbubbles.
- the gas microbubbles incorporated into the liquid are completed in an instant from the formation, growth to explosive collapse, and local abnormal high temperature and high pressure are generated, so that the water molecules bond to bond to generate a large amount of hydroxyl radicals ( ⁇ OH). And hydrogen radicals ( ⁇ H). Hydroxyl radicals ( ⁇ OH) have superior oxidizing power and oxidatively modify single-layer graphene, multilayer graphene, and carbon structure particles.
- the invention relates to a method for preparing quantum carbon, comprising the following steps:
- the generator is inserted into the generator by a liquid inlet port a on the left side wall of the housing of the electrochemical oxidation generator portion (1).
- the H202 agent (concentration: 30%) is used to add 0.15% of the water in the generator, and enters the generator through the inlet a.
- the electrochemical oxidation generator portion 1 includes a casing and at least one set of positive and negative plate generating assemblies (1-1; 1-2) disposed in the inner cavity of the casing, and the positive plates 1-2 are graphitized Three high graphite sheets (high density: specific gravity > 1.80, high purity: graphite > 99.9%, high strength: tensile strength > 30.00 MPa); negative plate 1-1 is 314 # stainless steel or 314 # stainless steel surface is plated with Pt or Ni The metal plates are evenly distributed with through holes having a diameter of 2 mm x 50-300.
- 1-3 is a PTFE bracket; 1-4 is a central axis of PTFE; 1-5 is an elastic adjustment gap device, adjusting the gap between 1-1 and 1-2, adjusting range It is 0.5mm ⁇ 10mm;
- the water and the agent enter the electrochemical anodizing device 1 and are allowed to stand for not less than 24 hours.
- the preparation procedure is then initiated via the control cabinet.
- the control cabinet provides high-frequency pulsed DC power supply, and the DC power supply at the output end is 0-150V, 0-100A power supply chemical anodizing device adjustment application; at the same time, the output power is 1-5KVA, 20KHz-120KHz multi-wave band interactive wave, for Adjustable high power focused ultrasonic transducer adjustment application for ion intercalation devices.
- the primary carbon sol liquid prepared by the electrochemical oxidation generator portion (1) is subjected to a pressure of 3 kg/cm 3 to 10 kg/cm 3 supplied from the pump 3-4, and the carbon sol liquid is transported into the ion embedding device portion (3) to carry out graphite. Intercalation of interlayer hydrogen and oxygen ions. After the graphite layer is peeled off, the graphite interlayer peeling device 2-1 of the dispersing device portion (2), and the dispersing device portion (2-2) are prepared, the carbon sol liquid is peeled off between the graphite layers, and the dispersing device portion (2) Various parameters are detected in the device.
- the indicators of the carbon sol liquid reach a predetermined value range
- the basic liquid state as the quantum carbon The body is subjected to subsequent purification, concentration, and the like to prepare various forms of quantum carbon products (that is, concentrated or separated by the concentrating device and the separating device of the present invention, since the concentration and separation devices adopt conventional separation and concentration techniques, I will not repeat them here).
- the system will turn on the pump 4 to return the carbon sol liquid back to the electrochemical oxidation generator section (1) for cyclic preparation.
- the indexes of the carbon sol liquid described in (5) are: the pH of the quantum carbon mixture is 1.2-2.2, the electromotive force ORP value is 280 mv-380 mv, and the conductivity value is 1.5 ms/cm- 5.0ms/cm, and in line with the trend of Figure 13 and Figure 14; solid-liquid concentration according to Figure 10 conductivity-solid content, Figure 11 electromotive force-solid content, Figure 12 pH-solid content normalization trend, solid content value of 0.4% - 0.6%; the temperature of the carbon sol liquid is 40 ° C -70 ° C, wherein the surface of the pure carbon particles should be alkaline, because the surface of the crystallite is composed of an aromatic fused ring structure, which is a Lewis base in water It is easy to absorb hydrogen ions and make the surrounding liquid alkaline. The acidity appears after the surface bonds oxygen to a certain extent to cancel the Lewis basic.
- the pH value is the indicator of the surface oxygen content of the quantum carbon particles. The pH value depends mainly on the pH.
- Each index of the carbon sol liquid described in (5) includes detection of the particle diameter and particle size frequency distribution of the quantum carbon particles (Fig. 17, Fig. 18, Fig. 19, Fig. 20, Fig. 21).
- the particle size and particle size frequency distribution of the quantum carbon ranges from 0.6 nm to 1.0 nm. It has exceeded the nanoscale (1nm-100nm) category.
- the quantum carbon solution is obtained after each parameter is reached.
- the quantum carbon solution is centrifuged at a speed of 15,000 rpm to 30,000 rpm in a classifier to centrifuge the quantum carbon mixture.
- the alkane is carbon a C1-C12 alkane in which one or more mixed hydrocarbons.
- the carbon alcohol is a carbon alcohol having a C1-C12 carbon group, wherein one or more mixed alcohols.
- the mixture was stirred at high speed for 1 hour and allowed to stand for 12 hours to obtain a high-purity octane C8H18 carbon oxyhydroxide (Fig. 27).
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Abstract
Description
Claims (10)
- 一种量子碳素,其特征在于,为一种量子碳素液的结晶体,该结晶体是纳米碳结构体,包括单层石墨烯或多层石墨烯,结晶体表层为选自含有碳、氢、氧元素的化合物,所述选自含有碳、氢、氧元素的化合物包括含有碳氧单键的化合物、含有碳氧双键的化合物、含有碳氢化合物的混合物,混合物中各元素比例为:C为45%-60%,H为0.2%-5.0%,O为35%-54%;所述量子碳素液是含有量子碳素的水溶液,所述量子碳素的水溶液包括碳素粒子:0.6≤粒径≤50nm单层石墨烯,0.6≤粒径≤100多层石墨烯,0.6<粒径<200nm的量子碳素。
- 根据权利要求1所述的一种量子碳素,其特征在于,所述量子碳素液的ORP为280mv-500mv、电导率σ为1-10ms/cm、电动势为280mv-380mv、pH值为1.2-3.2、浓度为0.1%-0.45%。
- 一种权利要求1所述的量子碳素的制备方法的装置,其特征在于,包括依次首尾连通的电化学氧化发生器部分(1)、离子嵌入装置部分(3)、石墨层间剥离部分、分散装置部分(2)、分离装置部分和浓缩装置部分;电控部分用于控制电化学氧化发生器部分(1)、离子嵌入装置部分(3)、石墨层间剥离部分、分散装置部分(2)、分离装置部分和浓缩装置部分的运行。
- 按照权利要求3所述的量子碳素的制备方法的装置,其特征在于:所述电化学氧化发生器部分(1)包括壳体和设置于壳体内腔中的至少一组正负极板发生组件,壳体左侧壁上设有进液口a和进气口b,壳体右侧壁上设有出料口c;壳体底部设有一个U形托架(1-3),托架(1-3)上架有一中心轴(1-4),正负极板发生组件设置在中心轴(1-4)上。
- 按照权利要求4所述的量子碳素的制备方法的装置,其特征在于:所述正负极板发生组件包括正极板(1-2)和负极板(1-1),垂直设置,所述正极板(1-2)为石墨化三高;负极板(1-2)为表面镀有Pt或Ni的314#不锈钢或314#不锈钢制成的金属极板,所述负极板(1-2)上均匀地分布直径为1~2mm×(50~300)个的通孔;中心轴(1-4)上设有一个弹性调节间隙装置(1-5),用于调节正极板(1-2)和负极板(1-1)之间的间隙,调节范围为0.5mm~10mm;所述弹性调节间隙装置(1-5)包括垂直设置在中心轴(1-4)上的滑动片以及固定在滑动片上的调节螺栓,调节弹簧的一端与正负极板发生组件接触,另一端与滑动片接触,正极板(1-2)和负极板(1-1)之间设有绝缘弹簧。
- 按照权利要求4所述的量子碳素的制备方法的装置,其特征在于:所述离子嵌入装置部分(3)包括泵体(3-4),以及通过若干水平管道和L形以及法兰(3-2)组成的管道***, L形管道的转角处设置有激振棒(3-3);管道***的一端与泵体(3-4)输出端连接,另一端的管道(3-1)端头配接有至少一组离子嵌入器,所述离子嵌入器为可调式大功率聚焦式超声波换能器。
- 按照权利要求4所述的量子碳素的制备方法的装置,其特征在于:所述石墨层间剥离部分(2-1)包括壳体、设置在壳体内的剥离组件,壳体两端设有进口和出口并通过端盖封闭;剥离组件包括垂直设置的金属片A、金属片B、以及金属片C以及金属片D;所述金属片A、金属片B、金属片C以及金属片D对应结构为金属片结构A1、金属片结构A2、金属片结构B1以及金属片结构B2;其组合有金属片A-金属片C、或金属片B-金属片D、或金属片A-金属片、或金属片D-金属片A-金属片B-金属片C-金属片D;其中金属片结构A1为均匀分布六角形通孔圆盘,圆盘中心为中心孔的中心;金属片结构B1和金属片结构A1的孔型尺寸相同,为均匀分布六角形通孔圆盘,但圆盘中心为金属片结构A1横向移动两孔中心直线距离的1/2处;其中金属片结构A2为均匀分布圆形通孔圆盘,圆盘中心为中心孔的中心;金属片结构B2和金属片结构A2的孔型尺寸相同,为均匀分布圆形通孔圆盘,但圆盘中心为金属片结构A2横向移动两孔中心直线距离的1/2处;其中金属片结构C片为圆盘周边有半圆通孔和盘中均匀分布至少四个限位螺孔;其中金属片结构D片为中心有一通孔;其组合有A1-B1、A2-B2、A-B和DABCD;所述分散装置部分(2-2)包括壳体、设置在壳体内依次连接的两个分散腔,分别是分散腔一和分散腔二,所述分散腔二的输出端与壳体外部的输出腔连接;所述分散腔一和分散腔二为两个矩形腔,且分散腔一输出端与分散腔二的输入端连接,所述分散腔二的输出端楔形,倾斜角度为α;输出腔为梯形,且两边的倾斜角度为β,所述分散腔二的输出端至输入端的距离为L,宽度为D1,分散腔二的输出端的口径为D2,所述壳体上部还开有一个垂直流道至分散腔一和分散腔二的连接处,该流道为一个倒T形流道,流道的底部为矩形,且与分散腔一和分散腔二的连接处连通;其中,0.01≤(D1-D2)/L≤0.1,;35°≤α≤75°;45°≤β≤85°。
- 一种制备量子碳素的方法,其特征在于:包括如下步骤:步骤1、采用多层反渗透膜制得的pH值为6.5-7.2、电阻值为180兆欧的去离子水;通过电化学氧化发生器部分(1)壳体左侧壁上设有进液口a进入发生器中;步骤2、采用H2O2剂(浓度为30%)为发生器中水体的0.15%的添加量,通过进液口a进入发生器中;步骤3、通过步骤1、2,水和剂进入电化学氧化发生器部分(1)内,静置不少于24小时时间;之后经控制柜启动制备程序;控制柜提供高频脉冲直流电源,输出端直流电源为 0-150V、0-100A供电化学氧化发生器部分(1)调节应用;同时提供输出端功率为1-5KVA、20KHz-120KHz多波频段交互发射波,供离子嵌入装置的可调式大功率聚焦式超声波换能器调节应用;步骤4、电化学氧化发生器部分(1)制备的初级碳溶胶液体经过泵3-4提供的3kg/cm3-10kg/cm3压强,输送碳溶胶液体进入离子嵌入装置部分(3)中,进行石墨层间氢、氧离子的嵌入制备;再经由石墨层间剥离部分、分散装置部分(2)的石墨层间剥离部分装置(2-1)、分散装置部分(2-2)的制备后,碳溶胶液体在石墨层间剥离部分、分散装置部分(2)装置中进行各种参数的检测;当碳溶胶液体的各项指标达到预定值的范围时,作为量子碳素的基础液态体进行后续提纯、浓缩后分离制备出各形态的量子碳素制品;如果碳溶胶液体的各项指标未达到预定值的范围时,***将开启泵4使碳溶胶液体重新返回电化学氧化发生器部分(1)循环制备;所述碳溶胶液体的各项指标是指:量子碳素混合液的pH值为1.2-2.2、电动势ORP值为280mv-380mv、电导率值为1.5ms/cm-5.0ms/cm,;固液浓度依据电导率-固含量、电动势-固含量、pH-固含量的归一趋势,固含量值为0.4%-0.6%;碳溶胶液体的温度为40℃-70℃;所述碳溶胶液体的各项指标包括对量子碳素粒子的粒径和粒径频度分布的检测;量子碳素的粒径和粒径频度分布的范围在0.6nm-1.0nm之间;经过各参数达标后得到量子碳素液;量子碳素液经分级装置中设有转速为15000转/分钟-30000转/分钟的高速离心机,对量子碳素混合液进行离心分级处理。
- 按照权利要求8所述的制备量子碳素的方法,其特征在于:对所述量子碳素混合液离心处理后,向处理后的溶液中加入添加0.001%-0.010%质量比的苯六甲酸作为结晶种子,并高速搅拌2小时同时加温到70℃-80℃,静置>20小时,缓慢降温到室温,得到高纯度苯六甲酸结晶体的碳氢氧化合物。
- 按照权利要求8所述的制备量子碳素的方法,其特征在于:对所述量子碳素混合液离心处理后,向处理后的溶液中加入0.1%-1.0%的烷烃,或0.1%-1.0%的碳醇,或烷烃和碳醇任一比例混合物;所述烷烃是碳原子为C1-C12的烷烃,其中一种或多种混合烃;所述碳醇是碳原子为C1-C12的碳醇,其中一种或多种混合醇;并高速剪切搅拌1小时,同时对混合液体施加五个波段频率超声分散,由低到高依次施加五个波段频率并且每个波段频率施加时间为1分钟,五个波段频率依次施加完毕后为一个施加组,连续循环进行若干施加组,直至超声分散的时间达到1小时后结束,然后静置12小时,得到上清液为浅黄色液体;采用气相色谱和质谱的共同联用分析方法,得到所述浅黄色液体成分是正辛烷C8H18碳氢化合物;所述五个波段频率依次为20KHz、45KHz、65KHz、100KHz、120KHz。
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