CN109603697B - Nano carbon hybrid aerogel and preparation method and application thereof - Google Patents

Nano carbon hybrid aerogel and preparation method and application thereof Download PDF

Info

Publication number
CN109603697B
CN109603697B CN201811582411.0A CN201811582411A CN109603697B CN 109603697 B CN109603697 B CN 109603697B CN 201811582411 A CN201811582411 A CN 201811582411A CN 109603697 B CN109603697 B CN 109603697B
Authority
CN
China
Prior art keywords
solution
carbon
sodium
ions
polyanion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201811582411.0A
Other languages
Chinese (zh)
Other versions
CN109603697A (en
Inventor
施柏山
王侠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201811582411.0A priority Critical patent/CN109603697B/en
Publication of CN109603697A publication Critical patent/CN109603697A/en
Application granted granted Critical
Publication of CN109603697B publication Critical patent/CN109603697B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/0095Preparation of aerosols
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/8647Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88Processes of manufacture
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90Selection of catalytic material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90Selection of catalytic material
    • H01M4/9075Catalytic material supported on carriers, e.g. powder carriers
    • H01M4/9083Catalytic material supported on carriers, e.g. powder carriers on carbon or graphite
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Catalysts (AREA)

Abstract

The invention provides a preparation method of a nano-carbon hybrid aerogel, belonging to the technical field of aerogels. The FL-CNs and the conductive nano carbon material (carbon nano tube) are mixed to prepare the three-dimensional porous high-conductivity ultra-light nano carbon mixed aerogel, and the prepared aerogel can be used as an electrode of a high-conductivity energy storage device in the aspect of electrochemical energy storage; in the aspect of catalytic characteristics, the material can be directly used as a catalyst, can be used as a catalyst carrier through functionalization or loading of functional nanoparticles, and can effectively improve the catalytic action; meanwhile, the heat insulation and preservation system is also used for high-end heat insulation and preservation systems and the like.

Description

Nano carbon hybrid aerogel and preparation method and application thereof
Technical Field
The invention belongs to the technical field of aerogel preparation, and particularly relates to a nano-carbon hybrid aerogel and a preparation method and application thereof.
Background
The term "nitrogen carbide" refers to graphite phase nitrogen carbide (g-CN), which is a graphene-like two-dimensional sheet-layered polymer semiconductor material composed of nitrogen and carbon elements and having a nitrogen-to-carbon atomic ratio > 1. Cavities exist in the material layer, and the structure of the cavities is different from that of graphene with a complete carbon layer structure and nitrogen-doped graphene. The nitrogen carbide has adjustable band gap and excellent light absorption performance, a cavity is formed in the nitrogen carbide layer due to the difference of chemical valence states of carbon and nitrogen, a host/object interaction reaction can be initiated by nitrogen lone pair electrons or NH functional groups arranged in the cavity, and the nitrogen carbide has wide application prospects in the fields of charge storage, ion diffusion, photocatalysis and the like.
The single-layer or few-layer carbon nitride nanosheets (FL-CNs) have outstanding photocatalytic performance, and become an emerging two-dimensional layered material. The two-dimensional layered material prepared in the prior art has the problem of low photocatalytic performance.
Disclosure of Invention
In view of the above, the present invention aims to provide a kind of nano carbon hybrid aerogel, and a preparation method and an application thereof. The nano carbon hybrid aerogel prepared by the preparation method provided by the invention has a three-dimensional network structure and excellent catalytic performance.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a preparation method of a nano carbon hybrid aerogel, which comprises the following steps:
mixing metal sodium with an organic solvent containing sodium naphthalene under anhydrous and anaerobic conditions to obtain an electronic solution containing sodium counter ions;
mixing part of the electron solution containing sodium counter ions with the carbon nano tube to obtain a polyanion solution of the carbon nano tube;
mixing the rest electronic solution containing sodium counter ions with the nitrogen carbide to obtain a polyanionic solution of the nitrogen carbide;
and mixing the carbon nano tube polyanion solution, the nitrogen carbide polyanion solution and the diiodobenzene for cross-linking reaction to obtain the nano carbon mixed aerogel.
Preferably, the organic solvent is anhydrous dimethylacetamide, dimethylformamide or liquid ammonia.
Preferably, the molar ratio of sodium ions to carbon nanotubes in the partial electron solution containing sodium counter ions is 1: 4-100.
Preferably, the molar concentration of sodium ions in the part of the electronic solution containing sodium counter ions is 0.01-0.1 mol/L.
Preferably, the molar ratio of sodium ions to nitrogen carbide in the residual electron solution containing sodium counter ions is 1: 2-16.
Preferably, the molar concentration of sodium ions in the residual electron solution containing sodium counter ions is 0.006-0.06 mol/L.
Preferably, the molar ratio of the sum of sodium ions in the carbon nanotube polyanion solution and the nitrogen carbide polyanion solution to diiodobenzene is 1: 1.
Preferably, the time of the crosslinking reaction is 15min to 24 h.
The invention also provides the nano carbon hybrid aerogel prepared by the preparation method in the technical scheme.
The invention also provides the application of the nano carbon hybrid aerogel in the technical scheme in the field of electrocatalysis.
The invention provides a preparation method of nano-carbon hybrid aerogel, which comprises the following steps of mixing metal sodium with an organic solvent containing sodium naphthalene under the anhydrous and oxygen-free conditions to obtain an electronic solution containing sodium counter ions; mixing part of the electron solution containing sodium counter ions with the carbon nano tube to obtain a polyanion solution of the carbon nano tube; mixing the rest electronic solution containing sodium counter ions with the nitrogen carbide to obtain a polyanionic solution of the nitrogen carbide; and mixing the carbon nano tube polyanion solution, the nitrogen carbide polyanion solution and the diiodobenzene for cross-linking reaction to obtain the nano carbon mixed aerogel. The FL-CNs and the conductive nano carbon material (carbon nano tube) are mixed to prepare the three-dimensional porous high-conductivity ultra-light nano carbon mixed aerogel, and the prepared aerogel can be used as an electrode of a high-conductivity energy storage device in the aspect of electrochemical energy storage; in the aspect of catalytic characteristics, the material can be directly used as a catalyst, can be used as a catalyst carrier through functionalization or loading of functional nanoparticles, and can effectively improve the catalytic action; meanwhile, the heat insulation and preservation system is also used for high-end heat insulation and preservation systems and the like.
Description of the drawings:
fig. 1 is a spectrum of a nano carbon hybrid aerogel prepared in example 1, wherein (a) is an SEM spectrum, (b) is an SEM spectrum of a catalyst prepared by using the nano carbon hybrid aerogel prepared in example 1 as a catalyst carrier, and (c) is a distribution graph of an average particle size and a size of a nano platinum catalyst;
FIG. 2 is a current density curve of a platinum catalyst in an oxygen reduction reaction overvoltage interval of a nitrogen carbide, a reduced graphene oxide and nanocarbon mixed aerogel carrier and a platinum/carbon catalyst carrier;
fig. 3 is an optical photograph of the nanocarbon hybrid aerogel prepared in example 1;
fig. 4 is a high resolution SEM spectrum of the nanocarbon hybrid aerogel prepared in example 1;
fig. 5 is a plot of void distribution versus specific surface area for the nanocarbon hybrid aerogel prepared in example 1;
fig. 6 is a graph of conductivity versus raman spectrum defects of the nanocarbon hybrid aerogel prepared in example 1;
fig. 7 is an energy storage characteristic curve of the nanocarbon hybrid aerogel prepared in the embodiment, which is used for an energy storage device.
Detailed Description
The invention provides a preparation method of a nano carbon hybrid aerogel, which comprises the following steps:
mixing metal sodium with an organic solvent containing sodium naphthalene under anhydrous and anaerobic conditions to obtain an electronic solution containing sodium counter ions;
mixing part of the electron solution containing sodium counter ions with the carbon nano tube to obtain a polyanion solution of the carbon nano tube;
mixing the rest electronic solution containing sodium counter ions with the nitrogen carbide to obtain a polyanionic solution of the nitrogen carbide;
and mixing the carbon nano tube polyanion solution, the nitrogen carbide polyanion solution and the diiodobenzene for cross-linking reaction to obtain the nano carbon mixed aerogel.
The invention mixes metal sodium with organic solvent containing sodium naphthalene under anhydrous and anaerobic condition to obtain the electronic solution containing sodium counter ion. In the present invention, the organic solvent is preferably anhydrous dimethylacetamide, dimethylformamide or liquid ammonia. The electronic solution containing sodium counter ions prepared by the method can form polyanionic electrolyte of carbon nano tubes or nitrogen carbide by utilizing a spontaneous static stripping process, reduces the damage of other chemical (oxidation stripping and the like) or physical stripping (ultrasonic dispersion and the like) modes to the carbon nano tubes and the nitrogen carbide, keeps the monodispersed state of the material, prevents the influence of a crosslinking process on the specific surface area and the pore morphology of the material, and avoids the reagglomeration or the stacking of the stripped carbon nano tubes and the nitrogen carbide component material.
The concentration of sodium naphthalene in the sodium naphthalene-containing organic solvent is not particularly limited in the present invention.
After the electronic solution containing the sodium counter ions is obtained, part of the electronic solution containing the sodium counter ions is mixed with the carbon nano tubes to obtain the polyanion solution of the carbon nano tubes. In the invention, the molar ratio of sodium ions to carbon nanotubes in the partial sodium counter ion-containing electronic solution is preferably 1: 4-100, and more preferably 1: 10-12.
In the invention, the molar concentration of sodium ions in the partial electron solution containing sodium counter ions is preferably 0.01-0.1 mol/L, and more preferably 0.025-0.043 mol/L. In the mixing process, alkali metal ion sodium ions are driven to be rapidly transferred to the gap position from the charge transfer agent-naphthol, the obtained polyanion electrolyte of the carbon nano tube can be spontaneously dissolved in an organic solvent, and a highly dispersed and high-concentration solution is formed by controlling the charge quantity carried by a framework (an electronic solution containing sodium counter ions) of the component material.
In the invention, the concentration of the carbon nano tube in the carbon nano tube polyanion solution is preferably 0.5-6.5 mg/mL, and more preferably less than or equal to 2 mg/mL.
In the present invention, the diameter of the carbon nanotubes is preferably less than 50nm, and the raman G/D ratio of the carbon nanotubes is preferably > 100. In the present invention, the carbon nanotube is preferably a single-walled carbon nanotube. The source of the carbon nanotubes in the present invention is not particularly limited, and commercially available products known to those skilled in the art may be used.
After the electronic solution containing sodium counter ions is obtained, the remaining electronic solution containing sodium counter ions is mixed with the nitrogen carbide to obtain the polyanionic solution of the nitrogen carbide. In the invention, the molar ratio of sodium ions to nitrogen carbide in the residual electron solution containing sodium counter ions is preferably 1: 2-16, more preferably 1: 5-8, and most preferably 1: 7.1.
In the invention, the molar concentration of sodium ions in the residual electron solution containing sodium counter ions is preferably 0.006-0.06 mol/L, more preferably 0.012-0.020 mol/L, and most preferably 0.015 mol/L. In the mixing process, alkali metal ion sodium ions are driven to be rapidly transferred to gap positions from a charge transfer agent-naphthol, the obtained nitrogen carbide polyanion electrolyte can be spontaneously dissolved in an organic solvent, and a highly dispersed and high-concentration solution is formed by controlling the charge quantity carried by a component material framework (an electronic solution containing sodium counter ions).
In the invention, the concentration of the carbonized nitrogen in the carbonized nitrogen polyanion solution is preferably 0.5-4 mg/mL, and more preferably less than or equal to 3.5 mg/mL.
In the present invention, the nitrogen carbide is preferably a highly crystalline lamellar structure nitrogen carbide, and the nitrogen to carbon atomic ratio in the carbon nitride is preferably > 1. In the invention, the diameter of the nitrogen carbide is preferably 50-100 nanometers. The source of the nitrogen carbide in the present invention is not particularly limited, and commercially available products known to those skilled in the art may be used.
After the carbon nano tube polyanion solution and the nitrogen carbide polyanion solution are obtained, the carbon nano tube polyanion solution, the nitrogen carbide polyanion solution and the diiodobenzene are mixed for cross-linking reaction, and the nano carbon mixed aerogel is obtained.
In the present invention, the molar ratio of the sum of sodium ions in the carbon nanotube polyanion solution and the nitrogen carbide polyanion solution to diiodobenzene is preferably 1: 1.
In the invention, the time of the crosslinking reaction is preferably 15 min-24 h, and the temperature of the crosslinking reaction is preferably room temperature, and no additional heating or cooling is required.
The invention also provides the nano carbon hybrid aerogel prepared by the preparation method in the technical scheme. In the invention, the nano carbon hybrid aerogel has the advantages of high electrical conductivity, high specific surface area and large size.
The invention also provides the application of the nano carbon hybrid aerogel in the technical scheme in the field of electrocatalysis. In the present invention, the application preferably includes: in the aspect of electrochemical energy storage, the electrode is used as an electrode of a high-conductivity energy storage device; in the aspect of catalytic characteristics, the material can be directly used as a catalyst, can be used as a catalyst carrier through functionalization or loading of functional nanoparticles, and can effectively improve the catalytic action; meanwhile, the heat insulation and preservation system is also used for a high-end heat insulation and preservation system.
The following will explain the nanocarbon hybrid aerogel provided by the present invention, its preparation method and application in detail with reference to the examples, but they should not be construed as limiting the scope of the present invention.
Example 1
Under the anhydrous and oxygen-free conditions, 0.02g of metal sodium is mixed with 20mL of anhydrous dimethylacetamide solution containing sodium naphthalene to obtain an electronic solution containing sodium counter ions, and the mass concentration of naphthol in the anhydrous dimethylacetamide solution containing sodium naphthalene is 6.6 mg/mL;
mixing 5mL of an electronic solution (the concentration of sodium ions is 0.043mmol/mL) containing partial sodium counter ions with 0.026G of carbon nanotubes (single-walled carbon nanotubes with the diameter of 0.8-1.3 nm and the Raman G/D ratio of more than 100) to obtain a polyanionic solution of the carbon nanotubes;
mixing 7mL of the rest electronic solution containing sodium counter ions (the concentration of sodium ions is 0.043mmol/mL) with 0.028g of carbonized nitrogen (lamellar structure carbonized nitrogen, the atomic ratio of nitrogen to carbon is more than 1, and the diameter is 50 nanometers) to obtain a carbonized nitrogen polyanion solution;
and mixing the carbon nano tube polyanion solution, the nitrogen carbide polyanion solution and the diiodobenzene at room temperature for a crosslinking reaction for 24 hours to obtain the nano carbon mixed aerogel, wherein the molar ratio of the sum of sodium ions in the carbon nano tube polyanion solution and the nitrogen carbide polyanion solution to the diiodobenzene is 1: 1.
SEM analysis of the nanocarbon hybrid aerogel obtained in this example showed that the nanocarbon hybrid aerogel obtained in this example was used as a catalyst carrier in a direct methanol fuel cell to obtain a catalyst, and SEM analysis of the catalyst showed that the average particle size and size distribution of the nano platinum catalyst are shown in fig. 1(b), and fig. 1(c) shows that the noble metal catalyst is distributed more uniformly, as can be seen from fig. 1.
Fig. 2 is a comparison between the overvoltage interval of the oxygen reduction reaction of the platinum catalyst in the nitrogen carbide, reduced graphene oxide and nanocarbon mixed aerogel carrier and the performance (current density) of the platinum/carbon catalyst carrier in commercial use, and it can be seen from fig. 2 that the nanocarbon mixed aerogel prepared by the invention can greatly improve the current density and the electrocatalytic activity and reduce the dosage of the noble metal catalyst.
Fig. 3 is an optical photograph of the nanocarbon hybrid aerogel prepared in the present example; fig. 4 is a high resolution SEM spectrogram of the nanocarbon hybrid aerogel prepared in this embodiment, and as can be seen from fig. 4, carbon nanotubes and nitrogen carbide in the nanocarbon hybrid aerogel are uniformly distributed and cross-linked to form an integral structure.
Fig. 5 is a curve of void distribution versus specific surface area of the nanocarbon hybrid aerogel prepared in this example, and it can be seen from fig. 5 that the nanocarbon hybrid aerogel fully maintains the characteristic of large surface area of nanocarbon material, and has high specific surface area and nano-scale voids therebetween.
Fig. 6 shows the conductivity and raman spectrum defect analysis of the nanocarbon hybrid aerogel prepared in this example, and as can be seen from fig. 6, the nanocarbon hybrid aerogel prepared in this example has high conductivity and few defects.
Fig. 7 is a measured energy storage characteristic curve of the nanocarbon hybrid aerogel prepared in this embodiment when used in an energy storage device, and as can be seen from fig. 7, the nanocarbon hybrid aerogel prepared in this embodiment as an electrode material of an energy storage capacitor has a specific capacitance up to 333F/g in a TBAP/acetonitrile organic electrolyte.
Example 2
Under the anhydrous and oxygen-free conditions, 0.06g of metal sodium is mixed with anhydrous dimethylacetamide solution containing sodium naphthalene to obtain sodium-containing counter ion electronic solution, and the mass concentration of naphthol in the anhydrous dimethylacetamide solution containing sodium naphthalene is 6.6 mg/mL;
mixing 23mL of electronic solution (the concentration of sodium ions is 0.043mmol/mL) containing partial sodium counter ions with 0.048G of carbon nanotubes (single-walled carbon nanotubes, the diameter of the carbon nanotubes is 0.8' 1.3nm, and the Raman G/D ratio is more than 100) to obtain polyanionic solution of the carbon nanotubes;
mixing 23mL of the rest electronic solution containing sodium counter ions (the concentration of sodium ions is 0.043mmol/mL) with 0.066g of nitrogen carbide (lamellar structure nitrogen carbide, the ratio of nitrogen to carbon atoms is more than 1, and the diameter is 50 nanometers) to obtain a nitrogen carbide polyanion solution;
and mixing the carbon nano tube polyanion solution, the nitrogen carbide polyanion solution and the diiodobenzene at room temperature for crosslinking reaction for 15min to obtain the nano carbon mixed aerogel, wherein the molar ratio of the sum of sodium ions in the carbon nano tube polyanion solution and the nitrogen carbide polyanion solution to the diiodobenzene is 1: 1.
Example 3
Under the anhydrous and oxygen-free conditions, 0.02g of metal sodium is mixed with anhydrous dimethylacetamide solution containing sodium naphthalene to obtain sodium-containing counter ion electronic solution, and the mass concentration of naphthol in the anhydrous dimethylacetamide solution containing sodium naphthalene is 6.6 mg/mL;
mixing 4mL of electronic solution (the concentration of sodium ions is 0.043mmol/mL) containing partial sodium counter ions with 0.2G of carbon nanotubes (single-walled carbon nanotubes with the diameter of 0.8-1.3 nm and the Raman G/D ratio of more than 100) to obtain polyanionic solution of the carbon nanotubes;
mixing 4mL of the rest electronic solution containing sodium counter ions (the concentration of sodium ions is 0.043mmol/mL) with 0.018g of carbonized nitrogen (lamellar structure carbonized nitrogen, the atomic ratio of nitrogen to carbon is more than 1, and the diameter is 50 nanometers) to obtain a carbonized nitrogen polyanion solution;
and mixing the carbon nano tube polyanion solution, the nitrogen carbide polyanion solution and the diiodobenzene at room temperature for crosslinking reaction for 15min to obtain the nano carbon mixed aerogel, wherein the molar ratio of the sum of sodium ions in the carbon nano tube polyanion solution and the nitrogen carbide polyanion solution to the diiodobenzene is 1: 1.
The aerogel product manufactured by the embodiment has the heat preservation and insulation characteristics.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (9)

1. A preparation method of a nano-carbon hybrid aerogel is characterized by comprising the following steps:
mixing metal sodium with an organic solvent containing sodium naphthalene under anhydrous and anaerobic conditions to obtain an electronic solution containing sodium counter ions;
mixing part of the electron solution containing sodium counter ions with the carbon nano tube to obtain a polyanion solution of the carbon nano tube;
mixing the rest electronic solution containing sodium counter ions with the nitrogen carbide to obtain a polyanionic solution of the nitrogen carbide;
mixing the carbon nano tube polyanion solution, the nitrogen carbide polyanion solution and diiodobenzene for cross-linking reaction to obtain nano carbon mixed aerogel; the molar ratio of the sum of sodium ions in the polyanion solution of the carbon nano tube and the polyanion solution of the carbonized nitrogen to the diiodobenzene is 1: 1.
2. The method according to claim 1, wherein the organic solvent is anhydrous dimethylacetamide or dimethylformamide.
3. The method according to claim 1, wherein the molar ratio of sodium ions to carbon nanotubes in the partial sodium counter ion-containing electronic solution is 1:4 to 100.
4. The method according to claim 1 or 3, wherein the molar concentration of sodium ions in the partial sodium counter ion-containing electron solution is 0.01 to 0.1 mol/L.
5. The preparation method according to claim 1, wherein the molar ratio of sodium ions to nitrogen carbide in the remaining electron solution containing sodium counter ions is 1: 2-16.
6. The preparation method according to claim 1 or 5, wherein the molar concentration of sodium ions in the residual electron solution containing sodium counter ions is 0.006-0.06 mol/L.
7. The method according to claim 1, wherein the time for the crosslinking reaction is 15min to 24 hours.
8. The nanocarbon hybrid aerogel prepared by the preparation method according to any one of claims 1 to 7.
9. Use of the nanocarbon hybrid aerogel according to claim 8 in the field of electrocatalysis.
CN201811582411.0A 2018-12-24 2018-12-24 Nano carbon hybrid aerogel and preparation method and application thereof Active CN109603697B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811582411.0A CN109603697B (en) 2018-12-24 2018-12-24 Nano carbon hybrid aerogel and preparation method and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811582411.0A CN109603697B (en) 2018-12-24 2018-12-24 Nano carbon hybrid aerogel and preparation method and application thereof

Publications (2)

Publication Number Publication Date
CN109603697A CN109603697A (en) 2019-04-12
CN109603697B true CN109603697B (en) 2022-02-15

Family

ID=66011497

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811582411.0A Active CN109603697B (en) 2018-12-24 2018-12-24 Nano carbon hybrid aerogel and preparation method and application thereof

Country Status (1)

Country Link
CN (1) CN109603697B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103579639A (en) * 2012-07-25 2014-02-12 中国科学院大连化学物理研究所 Cathode catalyst for fuel cell and preparation method thereof
US9082524B2 (en) * 2009-01-27 2015-07-14 Lawrence Livermore National Security, Llc High surface area, electrically conductive nanocarbon-supported metal oxide
CN105562053A (en) * 2016-01-04 2016-05-11 西南石油大学 Preparation method of macroscopic aerogel photocatalyst material
CN106517152A (en) * 2016-11-02 2017-03-22 山东科技大学 Method for uniform dispersion of single-walled carbon nanotubes in water solvent
CN106602012A (en) * 2016-12-13 2017-04-26 上海交通大学 Flexible thin-film electrode and preparation method and application thereof
CN107238642A (en) * 2017-06-02 2017-10-10 南通大学 Electrode, preparation method and NTO electrochemical detection methods for detecting NTO
CN107537544A (en) * 2017-09-19 2018-01-05 江苏理工学院 A kind of g C3N4- CNTs heterojunction photocatalysts and preparation method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9082524B2 (en) * 2009-01-27 2015-07-14 Lawrence Livermore National Security, Llc High surface area, electrically conductive nanocarbon-supported metal oxide
CN103579639A (en) * 2012-07-25 2014-02-12 中国科学院大连化学物理研究所 Cathode catalyst for fuel cell and preparation method thereof
CN105562053A (en) * 2016-01-04 2016-05-11 西南石油大学 Preparation method of macroscopic aerogel photocatalyst material
CN106517152A (en) * 2016-11-02 2017-03-22 山东科技大学 Method for uniform dispersion of single-walled carbon nanotubes in water solvent
CN106602012A (en) * 2016-12-13 2017-04-26 上海交通大学 Flexible thin-film electrode and preparation method and application thereof
CN107238642A (en) * 2017-06-02 2017-10-10 南通大学 Electrode, preparation method and NTO electrochemical detection methods for detecting NTO
CN107537544A (en) * 2017-09-19 2018-01-05 江苏理工学院 A kind of g C3N4- CNTs heterojunction photocatalysts and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
类石墨相氮化碳复合催化剂;李东楠;《广东化工》;20171115;第44卷(第21期);第92-93页 *

Also Published As

Publication number Publication date
CN109603697A (en) 2019-04-12

Similar Documents

Publication Publication Date Title
Zhang et al. Nitrogen-doped carbon nanotubes for high-performance platinum-based catalysts in methanol oxidation reaction
Bae et al. The role of nitrogen in a carbon support on the increased activity and stability of a Pt catalyst in electrochemical hydrogen oxidation
Wang et al. Solvothermal-induced 3D macroscopic SnO2/nitrogen-doped graphene aerogels for high capacity and long-life lithium storage
EP2959970B1 (en) Carbon material for catalyst support use
Zhao et al. High-performance Li-ion batteries based on graphene quantum dot wrapped carbon nanotube hybrid anodes
Xu et al. Methanol electrocatalytic oxidation on Pt nanoparticles on nitrogen doped graphene prepared by the hydrothermal reaction of graphene oxide with urea
Huang et al. Nanosized Pt anchored onto 3D nitrogen-doped graphene nanoribbons towards efficient methanol electrooxidation
Yu et al. Metal-organic framework-derived cobalt nanoparticle space confined in nitrogen-doped carbon polyhedra networks as high-performance bifunctional electrocatalyst for rechargeable Li–O2 batteries
Zhao et al. Ultra-fine Pt nanoparticles supported on 3D porous N-doped graphene aerogel as a promising electro-catalyst for methanol electrooxidation
Lu et al. Synthesis of boron and nitrogen doped graphene supporting PtRu nanoparticles as catalysts for methanol electrooxidation
Li et al. PMo 12-functionalized Graphene nanosheet-supported PtRu nanocatalysts for methanol electro-oxidation
Wang et al. Superstructured macroporous carbon rods composed of defective graphitic nanosheets for efficient oxygen reduction reaction
Bahru et al. Allotrope carbon materials in thermal interface materials and fuel cell applications: a review
Hussainova et al. A few-layered graphene on alumina nanofibers for electrochemical energy conversion
CN110479340B (en) Nano cobalt/nitrogen doped graphene composite material and preparation method thereof
Yue et al. Graphene–poly (5-aminoindole) composite film as Pt catalyst support for methanol electrooxidation in alkaline medium
Fan et al. Graphene–carbon nanotube aerogel with a scroll-interconnected-sheet structure as an advanced framework for a high-performance asymmetric supercapacitor electrode
Liu et al. Highly efficient oxygen reduction on porous nitrogen-doped nanocarbons directly synthesized from cellulose nanocrystals and urea
Padmavathi et al. Synthesis and characterization of electrospun carbon nanofiber supported Pt catalyst for fuel cells
Kong et al. Platinum catalyst on ordered mesoporous carbon with controlled morphology for methanol electrochemical oxidation
Ruiyi et al. Atomically dispersed RuO2-tryptophan functionalized graphene quantum dot-graphene hybrid with double Schottky heterojunctions for high performance flexible supercapacitors
Liu et al. N, P-doped carbon-based freestanding electrodes enabled by cellulose nanofibers for superior asymmetric supercapacitors
Tang et al. Novel synthesis of reduced graphene oxide-ordered mesoporous carbon composites and their application in electrocatalysis
Hsu et al. The use of carbon nanotubes coated with a porous nitrogen-doped carbon layer with embedded Pt for the methanol oxidation reaction
Gao et al. Hydrothermal synthesis and electrochemical capacitance of RuO2· xH2O loaded on benzenesulfonic functionalized MWCNTs

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant