CN109626364A - A kind of preparation method of nitrogen sulphur codope three-dimensional grapheme - Google Patents

A kind of preparation method of nitrogen sulphur codope three-dimensional grapheme Download PDF

Info

Publication number
CN109626364A
CN109626364A CN201910084745.3A CN201910084745A CN109626364A CN 109626364 A CN109626364 A CN 109626364A CN 201910084745 A CN201910084745 A CN 201910084745A CN 109626364 A CN109626364 A CN 109626364A
Authority
CN
China
Prior art keywords
preparation
template
dimensional grapheme
solvent
washed
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.)
Pending
Application number
CN201910084745.3A
Other languages
Chinese (zh)
Inventor
冯忠宝
王琳
邢鹏飞
都兴红
李大纲
闫姝
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.)
Northeastern University China
Original Assignee
Northeastern University China
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 Northeastern University China filed Critical Northeastern University China
Priority to CN201910084745.3A priority Critical patent/CN109626364A/en
Publication of CN109626364A publication Critical patent/CN109626364A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/15Nano-sized carbon materials
    • C01B32/182Graphene
    • C01B32/184Preparation
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2204/00Structure or properties of graphene
    • C01B2204/04Specific amount of layers or specific thickness
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2204/00Structure or properties of graphene
    • C01B2204/20Graphene characterized by its properties
    • C01B2204/22Electronic properties
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2204/00Structure or properties of graphene
    • C01B2204/20Graphene characterized by its properties
    • C01B2204/32Size or surface area

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Nanotechnology (AREA)
  • Inorganic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)

Abstract

The invention discloses a kind of preparation methods of nitrogen sulphur codope three-dimensional grapheme, solve the problems such as prior art higher cost, complex process and yield are lower.The present invention, which mainly comprises the following steps, mixes carbon matrix precursor, solvent, dopant and template, carries out hydro-thermal reaction, is then carbonized, the techniques such as removing template is gone to prepare the porous graphene material with three-dimensional structure.Product specific surface area of the invention is 400~1500m2/ g, the number of plies are 3~20 layers, and resistivity is small (20~50 Ω m), and yield height (40~60%), pore-size distribution is more uniform;And manufacture craft is simple, and it is at low cost, it is easy to industrialized production.

Description

A kind of preparation method of nitrogen sulphur codope three-dimensional grapheme
Technical field
The invention belongs to function nano Material Fields, and in particular to a kind of preparation side of nitrogen sulphur codope three-dimensional grapheme Method.
Background technique
Graphene be one kind by carbon atom with sp2Hybridized orbit combines and the two-dimensional material of only monoatomic layer thickness, is The basic unit for constituting carbonaceous material is answered extensively due to high conductivity, big specific surface area and its high heat conductivity For in the devices such as fuel cell, supercapacitor, sensor, it has also become research hotspot.But conventional graphite alkene interlayer there is Stronger Van der Waals force and π-pi bond, and cause graphene that irreversible stacking, fold and reunion, therefore electric conductivity and Bi Biao occurs Area all decreases, therefore is unable to satisfy practical application request, limits its application to a certain extent.It is asked to solve this Topic, building have a kind of nitrogen sulphur codope three-dimensional grapheme, (have using its unique porous structure and excellent internal performance Biggish specific surface area, work long hours stability), to improve the electric property of graphene.
Currently, there are mainly two types of: 1. self-assembly methods for the preparation method of nitrogen sulphur codope three-dimensional grapheme, be it is a kind of from The preparation method of nano material under above is added crosslinking agent, sends out in pyroreaction kettle generally using graphene oxide as raw material Raw cross-linking reaction, to complete the self assembling process of three-dimensional grapheme.But the method be easy to cause environmental pollution, is unfavorable for producing greatly Amount preparation, commercialization receive certain limitation.2. template, generally using copper, nickel, silver etc. as template, graphite is carbon source, system It is standby go out three-dimensional netted graphene porosity with higher and big specific surface area, be conducive to diffusion and the ion of electrolyte Transmission.But template used is the noble metals such as copper, nickel, silver, expensive, and the later period needs to perform etching template, from warp The application of its large-scale commercial is limited in terms of Ji and environment.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of system of the nitrogen sulphur codope three-dimensional grapheme of low cost Preparation Method, this method preparation process is simple, and raw material sources are abundant and cheap, obtains three-dimensional porous graphene, has The advantages that large specific surface area, yield are high, and resistivity is small and good conductivity.
The specific technical proposal is:
A kind of preparation method of nitrogen sulphur codope three-dimensional grapheme, sequentially includes the following steps:
(1) carbon matrix precursor, solvent, dopant are added to reaction under high pressure according to 1~5:0.1 of mass ratio~10:0.1~5 It in kettle, stirs evenly, 4~8h is reacted at 120~200 DEG C;
(2) after being cooled to room temperature, template is added, template and carbon matrix precursor mass ratio are 0.1~5,60~120 DEG C of water It is sufficiently washed after 2~4h of thermal response, takes out drying;
(3) raw material after drying is placed in atmosphere furnace, is then warming up to 800~1200 DEG C, predetermined temperature heat preservation 1~ 3h;Wherein heating rate is 1~5 DEG C/min, and protective atmosphere is inert gas;
(4) product in step (3) is removed template: the product in step (3) is placed in acid and is stirred, through peracid Wash, alcohol is washed and is washed to neutrality, is then put into 60~100 DEG C, be dried in vacuo 4~6h;It is wherein sour are as follows: hydrochloric acid, phosphoric acid, acetic acid, One of sulfuric acid;The concentration of acid solution is 1~3mol/L.
Further, 5~50mg of carbon matrix precursor, 20~80mL of solvent, 2~20mg of dopant mixing in above-mentioned steps (1).
Further, carbon matrix precursor employed in above-mentioned steps (1) is sucrose, glucose, maltose, pitch, poly- second One or more of alkene, polypropylene, polystyrene, phenolic resin, polyester resin, epoxy resin, glyceraldehyde.
Further, solvent employed in above-mentioned steps (1) be deionized water, ethyl alcohol, isopropanol, glycerol, n-butanol, One of N, N- dimethyl pyrrolidone, ethylenediamine.
Further, dopant employed in above-mentioned steps (1) is thiocarbamide, methylthiouracil (MTU), propylthiouracil (PTU), first mercapto One of imidazoles, Carbimazole, 4- plug oxazoline ketone, 2- substituted imine base -4- plug oxazoline ketone.
Further, template employed in above-mentioned steps (1) is magnesium chloride, magnesium sulfate, iron chloride, ferric nitrate, lemon One of lemon acid iron, aluminium chloride, nano aluminium oxide, aluminium carbonate, nano silica.
Further, inert gas described in above-mentioned steps (3) is N2Or Ar2
Beneficial effects of the present invention:
1. the specific surface area of nitrogen sulphur codope three-dimensional grapheme produced by the present invention is 400~1500m2/ g, the number of plies be 3~ 20 layers, resistivity is small (20~50 Ω m), and yield height (40~60%), pore-size distribution is more uniform.
2. the present invention prepares nitrogen sulphur codope three-dimensional grapheme using cheap raw material, simple process is environmental-friendly, Save the cost, it is easy to industrialized production.
3. using active metal oxide as template, and the later period is easy to pickling removal.
Detailed description of the invention
Fig. 1 is the scanning electron microscopic picture of the nitrogen sulphur codope three-dimensional grapheme of 3 technique of embodiment preparation.
Fig. 2 is the scanning electron microscopic picture of the nitrogen sulphur codope three-dimensional grapheme of 5 technique of embodiment preparation.
Fig. 3 is that (note: embodiment 0 is for the resistivity map of the nitrogen sulphur codope three-dimensional grapheme of Examples 1 to 8 technique preparation Three-dimensional grapheme undoped with nitrogen sulphur).
Fig. 4 is the yield figure of the nitrogen sulphur codope three-dimensional grapheme of Examples 1 to 8 technique preparation.
Specific embodiment
This paper way is further illustrated below in conjunction with specific embodiment, is embodied as follows:
Embodiment 1
20mg sucrose is added in the autoclave of 100mL, 5mg thiocarbamide is added as solvent in 45mL deionized water It as nitrogen/sulphur source, is stirred, whipping temp is 80 DEG C, stirs 2h, and react 8h at 120 DEG C;It is to be cooled to after room temperature, 5mg nano aluminium oxide is then added, 70 DEG C of reaction 2h are washed with deionized repeatedly, and then 60 DEG C of vacuum drying 4h, are cooled to Room temperature.Drying sample is put into atmosphere furnace, argon gas is passed through, 900 DEG C is warming up to 5 DEG C/min, keeps the temperature 3h, be cooled to room temperature and take Out.Product is placed in hydrochloric acid solution (3mol/L), 1h is stirred, is washed till neutrality with deionized water and ethyl alcohol after being separated by filtration. Dry 6h is placed in 70 DEG C of drying boxes.It can be obtained nitrogen sulphur codope three-dimensional grapheme, performance is as follows: specific surface area 750m2/ G, the number of plies are 3~10 layers;56 Ω m of resistivity, yield 40.3%;And SEM detection hole is more uniform.
Embodiment 2
10mg maltose is added in the autoclave of 100mL, 30mL glycerol is as solvent, 10mg methimazole, It is stirred, whipping temp is 80 DEG C, stirs 2h, and react 6h at 130 DEG C;It is to be cooled to after room temperature, 6mg chlorine is then added Change iron, 70 DEG C of reaction 2h are washed with deionized repeatedly, and then 60 DEG C of vacuum drying 4h, are cooled to room temperature.Drying sample is put Enter in atmosphere furnace, be passed through argon gas, be warming up to 800 DEG C with 3 DEG C/min, keep the temperature 3h, is cooled to room temperature taking-up.Product is placed in salt In acid solution (3mol/L), 1.5h is stirred, is washed till neutrality with deionized water and ethyl alcohol after being separated by filtration.It is placed in 70 DEG C of drying boxes Middle dry 6h.It can be obtained nitrogen sulphur codope three-dimensional grapheme, performance is as follows: specific surface area 850m2/ g, the number of plies are 3~8 layers; 34.2 Ω m of resistivity, yield 38.4%;And SEM detection hole is more uniform.
Embodiment 3
15mg polyethylene is added in the autoclave of 100mL, 30mL glycerol is as solvent, 12mg methimazole, It is stirred, whipping temp is 80 DEG C, stirs 1h, and react 6h at 150 DEG C;It is to be cooled to after room temperature, 5mg chlorine is then added Change magnesium, 70 DEG C of reaction 2h are washed with deionized repeatedly, and then 60 DEG C of vacuum drying 6h, are cooled to room temperature.Drying sample is put Enter in atmosphere furnace, be passed through argon gas, be warming up to 1000 DEG C with 2 DEG C/min, keep the temperature 2h, is cooled to room temperature taking-up.Product is placed in In phosphoric acid solution (4mol/L), 1.5h is stirred, is washed till neutrality with deionized water and ethyl alcohol after being separated by filtration.It is placed in 80 DEG C of dryings Dry 6h in case.It can be obtained nitrogen sulphur codope three-dimensional grapheme, performance is as follows: specific surface area 823m2/ g, the number of plies are 6~10 Layer;38.5 Ω m of resistivity, yield 45.2%;And SEM detection hole is more uniform.
Embodiment 4
15mg sucrose is added in the autoclave of 100mL, 30mL ethyl alcohol is as solvent, 10mg methylthiouracil (MTU), It is stirred, whipping temp is 80 DEG C, stirs 2h, and react 6h at 150 DEG C;It is to be cooled to after room temperature, 5mg chlorine is then added Change magnesium, 70 DEG C of reaction 2h are washed with deionized repeatedly, and then 60 DEG C of vacuum drying 6h, are cooled to room temperature.Drying sample is put Enter in atmosphere furnace, be passed through argon gas, be warming up to 1200 DEG C with 2 DEG C/min, keep the temperature 2h, is cooled to room temperature taking-up.Carbonizing production is put It is placed in phosphoric acid solution (5mol/L), stirs 1h, be washed till neutrality with deionized water and ethyl alcohol after being separated by filtration.80 DEG C are placed in do Dry 6h in dry case.It can be obtained nitrogen sulphur codope three-dimensional grapheme, performance is as follows: specific surface area 895m2/ g, the number of plies be 5~ 10 layers;26.5 Ω m of resistivity, yield 42.7%;And SEM detection hole is more uniform.
Embodiment 5
12mg glyceraldehyde is added in the autoclave of 100mL, 35mL ethyl alcohol is as solvent, 10mg methimazole, It is stirred, whipping temp is 80 DEG C, stirs 1h, and react 6h at 150 DEG C;It is to be cooled to after room temperature, 10mg is then added Ferric nitrate, 70 DEG C of reaction 2h are washed with deionized repeatedly, and then 70 DEG C of vacuum drying 6h, are cooled to room temperature.By drying sample It is put into atmosphere furnace, is passed through argon gas, be warming up to 1200 DEG C with 1 DEG C/min, keep the temperature 2h, be cooled to room temperature taking-up.Product is placed In nitric acid solution (3mol/L), 2h is stirred, is washed till neutrality with deionized water and ethyl alcohol after being separated by filtration.It is placed in 80 DEG C of dryings Dry 4h in case.It can be obtained nitrogen sulphur codope three-dimensional grapheme, performance is as follows: specific surface area 855m2/ g, the number of plies are 6~10 Layer;35 Ω m of resistivity, yield 45.6%, yield 43%;And SEM detection hole is more uniform.
Embodiment 6
30mg phenolic resin is added in the autoclave of 100mL, 30mL deionized water is as solvent, the third mercapto of 10mg Imidazoles is stirred, and whipping temp is 80 DEG C, stirs 1h, and react 6h at 120 DEG C;It is to be cooled to after room temperature, be then added 15mg magnesium chloride, 70 DEG C of reaction 2h are washed with deionized repeatedly, and then 60 DEG C of vacuum drying 6h, are cooled to room temperature.It will dry Sample is put into atmosphere furnace, is passed through argon gas, is warming up to 1000 DEG C with 2 DEG C/min, is kept the temperature 3h, and room temperature taking-up is cooled to.By product It is placed in hydrochloric acid acid solution (4mol/L), stirs 1 hour, be washed till neutrality with deionized water and ethyl alcohol after being separated by filtration.It places The dry 6h in 80 DEG C of drying boxes.It can be obtained nitrogen sulphur codope three-dimensional grapheme, performance is as follows: specific surface area 903m2/ g, layer Number is 3~6 layers;25.7 Ω m of resistivity, yield 50.3%;And SEM detection hole is more uniform.
Embodiment 7
20mg pitch is added in the autoclave of 100mL, 30mL Carbimazole is as solvent, 15mg thiocarbamide, into Row stirring, whipping temp are 80 DEG C, stir 1h, and react 6h at 150 DEG C;It is to be cooled to receive to 10mg after room temperature, is then added Rice aluminium oxide, 70 DEG C of reaction 2h are washed with deionized repeatedly, and then 70 DEG C of vacuum drying 6h, are cooled to room temperature.It will dry sample Product are put into atmosphere furnace, are passed through argon gas, are warming up to 1200 DEG C with 1 DEG C/min, are kept the temperature 1h, and room temperature taking-up is cooled to.Product is put It is placed in sulfuric acid solution (3mol/L), stirs 1h, be washed till neutrality with deionized water and ethyl alcohol after being separated by filtration.80 DEG C are placed in do Dry 6h in dry case.It can be obtained nitrogen sulphur codope three-dimensional grapheme, performance is as follows: specific surface area 803m2/ g, the number of plies be 6~ 10 layers;41.2 Ω m of resistivity, yield 44.5%;And SEM detection hole is more uniform.
Embodiment 8
25mg polyester resin is added in the autoclave of 100mL, 30mL glycerol is as solvent, 10mg first mercapto miaow Azoles is stirred, and whipping temp is 80 DEG C, stirs 1h, and react 4h at 180 DEG C;It is to be cooled to after room temperature, be then added 10mg magnesium chloride, 70 DEG C of reaction 2h are washed with deionized repeatedly, and then 60 DEG C of vacuum drying 6h, are cooled to room temperature.It will dry Sample is put into atmosphere furnace, is passed through argon gas, is warming up to 1000 DEG C with 2 DEG C/min, is kept the temperature 2h, and room temperature taking-up is cooled to.By product It is placed in hydrochloric acid solution (4mol/L), stirs 1h, be washed till neutrality with deionized water and ethyl alcohol after being separated by filtration.It is placed in 80 DEG C Dry 6h in drying box.It can be obtained nitrogen sulphur codope three-dimensional grapheme, performance is as follows: specific surface area 830m2/ g, the number of plies 5 ~10 layers;35.5 Ω m of resistivity, yield 42.5%;And SEM detection hole is more uniform.

Claims (7)

1. a kind of preparation method of nitrogen sulphur codope three-dimensional grapheme, which is characterized in that comprise the following steps that
(1) carbon matrix precursor, solvent, dopant are added to autoclave according to 1~5:0.1 of mass ratio~10:0.1~5 In, it stirs evenly, 4~8h is reacted at 120~200 DEG C;
(2) after being cooled to room temperature, template is added, template and carbon matrix precursor mass ratio are that 0.1~5,60~120 DEG C of hydro-thermals are anti- It is sufficiently washed after answering 2~4h, takes out drying;
(3) raw material after drying is placed in atmosphere furnace, is then warming up to 800~1200 DEG C, predetermined temperature keeps the temperature 1~3h;Its Middle heating rate is 1~5 DEG C/min, and protective atmosphere is inert gas;
(4) product in step (3) is removed template: the product in step (3) being placed in acid and is stirred, through overpickling, Neutrality is washed and be washed to alcohol, is then put into 60~100 DEG C, is dried in vacuo 4~6h;It is wherein sour are as follows: hydrochloric acid, phosphoric acid, acetic acid, sulfuric acid One of;The concentration of acid solution is 1~3mol/L.
2. preparation method according to claim 1, it is characterised in that: 5~50mg of carbon matrix precursor, solvent 20 in step (1) ~80mL, 2~20mg of dopant mixing.
3. preparation method according to claim 1 or 2, it is characterised in that: carbon matrix precursor employed in step (1) is sugarcane Sugar, glucose, maltose, pitch, polyethylene, polypropylene, polystyrene, phenolic resin, polyester resin, epoxy resin, glycerol One or more of aldehyde.
4. preparation method according to claim 1 or 2, it is characterised in that: solvent employed in step (1) is deionization Water, ethyl alcohol, isopropanol, glycerol, n-butanol, N, one of N- dimethyl pyrrolidone, ethylenediamine.
5. preparation method according to claim 1 or 2, it is characterised in that: dopant employed in step (1) is sulphur Urea, methylthiouracil (MTU), propylthiouracil (PTU), methimazole, Carbimazole, 4- plug oxazoline ketone, 2- substituted imine base -4- fill in oxazoline ketone One of.
6. preparation method according to claim 1 or 2, it is characterised in that: template employed in step (1) is chlorination Magnesium, magnesium sulfate, iron chloride, ferric nitrate, ironic citrate, aluminium chloride, nano aluminium oxide, aluminium carbonate, one in nano silica Kind.
7. preparation method according to claim 1 or 2, it is characterised in that: inert gas described in step (3) is N2Or Ar2
CN201910084745.3A 2019-01-29 2019-01-29 A kind of preparation method of nitrogen sulphur codope three-dimensional grapheme Pending CN109626364A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910084745.3A CN109626364A (en) 2019-01-29 2019-01-29 A kind of preparation method of nitrogen sulphur codope three-dimensional grapheme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910084745.3A CN109626364A (en) 2019-01-29 2019-01-29 A kind of preparation method of nitrogen sulphur codope three-dimensional grapheme

Publications (1)

Publication Number Publication Date
CN109626364A true CN109626364A (en) 2019-04-16

Family

ID=66062582

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910084745.3A Pending CN109626364A (en) 2019-01-29 2019-01-29 A kind of preparation method of nitrogen sulphur codope three-dimensional grapheme

Country Status (1)

Country Link
CN (1) CN109626364A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110010911A (en) * 2019-03-14 2019-07-12 上海交通大学 A kind of codope porous graphene cathode non-platinum catalyst and preparation method thereof
CN111940721A (en) * 2020-08-19 2020-11-17 李潮云 Method for loading nano metal oxide or nano metal material on porous carbon
CN112320797A (en) * 2020-10-16 2021-02-05 中国科学院山西煤炭化学研究所 Preparation method of activated carbon for desulfurization of tar hydrogenation product
CN112320792A (en) * 2020-11-03 2021-02-05 青岛泰达华润新能源科技有限公司 Preparation method of negative electrode material for lithium ion battery and product thereof
CN113735100A (en) * 2021-09-07 2021-12-03 河北省科学院能源研究所 Method for activating two-dimensional nitrogen-doped graphene
CN113877532A (en) * 2021-11-15 2022-01-04 东北大学 Graphene oxide reinforced solid waste inorganic spherical adsorbent, preparation method and application thereof
CN115010118A (en) * 2022-06-06 2022-09-06 武汉理工大学 Nitrogen and sulfur doped hierarchical macroporous/mesoporous graphene, and preparation method and application thereof
CN115849342A (en) * 2022-12-26 2023-03-28 河北中煤旭阳能源有限公司 Coiled nitrogen-sulfur-oxygen co-doped sodium ion battery negative electrode material and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104966812A (en) * 2014-12-01 2015-10-07 天津大学 Three-dimensional porous quasi-graphene loaded molybdenum disulfide composite and preparation method thereof
CN105271217A (en) * 2015-12-10 2016-01-27 湖南师范大学 Method for preparing nitrogen-doped three-dimensional graphene
CN106582817A (en) * 2016-12-28 2017-04-26 山东理工大学 Simple and convenient method for preparing three-dimensional nitrogen-doped graphene
CN106861744A (en) * 2017-01-23 2017-06-20 吉林大学 A kind of nitrogen sulphur is co-doped with the one-step method for synthesizing of titanium dioxide/graphene quantum dot heterostructures
CN108821266A (en) * 2018-08-30 2018-11-16 徐州工程学院 A kind of preparation method of nitrogen-doped graphene

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104966812A (en) * 2014-12-01 2015-10-07 天津大学 Three-dimensional porous quasi-graphene loaded molybdenum disulfide composite and preparation method thereof
CN105271217A (en) * 2015-12-10 2016-01-27 湖南师范大学 Method for preparing nitrogen-doped three-dimensional graphene
CN106582817A (en) * 2016-12-28 2017-04-26 山东理工大学 Simple and convenient method for preparing three-dimensional nitrogen-doped graphene
CN106861744A (en) * 2017-01-23 2017-06-20 吉林大学 A kind of nitrogen sulphur is co-doped with the one-step method for synthesizing of titanium dioxide/graphene quantum dot heterostructures
CN108821266A (en) * 2018-08-30 2018-11-16 徐州工程学院 A kind of preparation method of nitrogen-doped graphene

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HUAJIE YIN ET AL.: "Three-Dimensional Graphene/Metal Oxide Nanoparticle Hybrids for High-Performance Capacitive Deionization of Saline Water", 《ADVANCED MATERIALS》 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110010911A (en) * 2019-03-14 2019-07-12 上海交通大学 A kind of codope porous graphene cathode non-platinum catalyst and preparation method thereof
CN111940721A (en) * 2020-08-19 2020-11-17 李潮云 Method for loading nano metal oxide or nano metal material on porous carbon
CN112320797A (en) * 2020-10-16 2021-02-05 中国科学院山西煤炭化学研究所 Preparation method of activated carbon for desulfurization of tar hydrogenation product
CN112320792A (en) * 2020-11-03 2021-02-05 青岛泰达华润新能源科技有限公司 Preparation method of negative electrode material for lithium ion battery and product thereof
CN112320792B (en) * 2020-11-03 2023-03-24 青岛泰达华润新能源科技有限公司 Preparation method of negative electrode material for lithium ion battery and product thereof
CN113735100A (en) * 2021-09-07 2021-12-03 河北省科学院能源研究所 Method for activating two-dimensional nitrogen-doped graphene
CN113877532A (en) * 2021-11-15 2022-01-04 东北大学 Graphene oxide reinforced solid waste inorganic spherical adsorbent, preparation method and application thereof
CN113877532B (en) * 2021-11-15 2023-07-18 东北大学 Graphene oxide reinforced solid waste inorganic spherical adsorbent, preparation method and application thereof
CN115010118A (en) * 2022-06-06 2022-09-06 武汉理工大学 Nitrogen and sulfur doped hierarchical macroporous/mesoporous graphene, and preparation method and application thereof
CN115010118B (en) * 2022-06-06 2024-01-23 武汉理工大学 Nitrogen and sulfur doped hierarchical macroporous/mesoporous graphene and preparation method and application thereof
CN115849342A (en) * 2022-12-26 2023-03-28 河北中煤旭阳能源有限公司 Coiled nitrogen-sulfur-oxygen co-doped sodium ion battery negative electrode material and preparation method thereof

Similar Documents

Publication Publication Date Title
CN109626364A (en) A kind of preparation method of nitrogen sulphur codope three-dimensional grapheme
CN106549163B (en) A kind of preparation method and applications of cobalt, nitrogen co-doped ultrathin nanometer carbon plate
CN105293483B (en) A kind of method that original position prepares transient metal doped porous graphene
US20240228296A1 (en) Fabrication method and application of cobalt and nitrogen co-doped three-dimensional structured carbon matrix
CN110433816B (en) Preparation method of supported cobalt-doped cerium dioxide nanosheet
CN104163421B (en) The preparation method of the cotton-shaped graphene-based bottom material of a kind of three-dimensional and application thereof
CN106311282A (en) Preparing method of porous monocrystal IT MoS2 nanosheet and application thereof
CN110289424A (en) A kind of preparation method of MOF derived carbon and cellular porous carbon composite
CN108557799B (en) High-purity high-conductivity graphene-like hierarchical porous carbon and preparation method thereof
CN108285139B (en) Preparation method and application of nitrogen-doped graphene carbon material
CN105621406A (en) Nitrogen-doped porous graphite and preparation method thereof
CN110556546B (en) Nitrogen and oxygen co-doped hierarchical porous carbon material and preparation method thereof
CN109665525B (en) Preparation method of dumbbell-shaped iron-nitrogen double-doped porous carbon
CN111282588A (en) Catalyst for hydrogen evolution by electrolyzing water and preparation method and application thereof
CN111785980A (en) Biomass-based catalyst for direct formic acid fuel cell anode and preparation method thereof
CN105810960B (en) It is a kind of using nickel foam as the composite material and preparation method of matrix
CN113148994B (en) Graphene and preparation method and application thereof
Wang et al. Facile and green sculptured engineering of 3D hierarchical porous metals via gaseous oxidation-reduction and their use in efficient oxygen evolution reactions
CN105645376A (en) Method for direct growth of porous carbon nanotube graphene hybrid on nano-porous copper
CN104525190B (en) A kind of preparation method of palladium/three-dimensional grapheme compounded microbeads
CN114855210B (en) Molten salt method in-situ synthesis carbon-based single-atom nanosheet and preparation method and application thereof
CN116564574A (en) Graphene/two-dimensional metal organic conductive framework modified three-dimensional electrode material and application thereof
CN106602080A (en) Three-dimensional porous Fe-N-C catalyst based on cetyl trimethyl ammonium bromide as carbon material pore-forming agent and preparation method
CN109921047B (en) Ordered catalyst layer of proton exchange membrane fuel cell and preparation and application thereof
CN113823803B (en) Proton exchange membrane fuel cell gas diffusion layer-rGO @ Ni/Ni foam Preparation method and application of

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20190416

RJ01 Rejection of invention patent application after publication