CN108899219B - lignin modified graphene film and preparation method thereof - Google Patents
lignin modified graphene film and preparation method thereof Download PDFInfo
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 229920005610 lignin Polymers 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000006185 dispersion Substances 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 30
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 27
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims abstract description 20
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 18
- 239000002253 acid Substances 0.000 claims abstract description 15
- 239000011230 binding agent Substances 0.000 claims abstract description 15
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims abstract description 13
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims abstract description 13
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims description 36
- 239000000203 mixture Substances 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 20
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 14
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical group CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 10
- 239000003999 initiator Substances 0.000 claims description 9
- 229920000642 polymer Polymers 0.000 claims description 9
- OTLNPYWUJOZPPA-UHFFFAOYSA-N 4-nitrobenzoic acid Chemical compound OC(=O)C1=CC=C([N+]([O-])=O)C=C1 OTLNPYWUJOZPPA-UHFFFAOYSA-N 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 229950008882 polysorbate Drugs 0.000 claims description 8
- 229920000136 polysorbate Polymers 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 239000012065 filter cake Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000005457 ice water Substances 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 238000000967 suction filtration Methods 0.000 claims description 4
- 238000009210 therapy by ultrasound Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 150000001263 acyl chlorides Chemical class 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- 239000007772 electrode material Substances 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 2
- 239000001103 potassium chloride Substances 0.000 description 2
- 235000011164 potassium chloride Nutrition 0.000 description 2
- 125000002252 acyl group Chemical group 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002484 cyclic voltammetry Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- H01G11/32—Carbon-based
- H01G11/34—Carbon-based characterised by carbonisation or activation of carbon
-
- 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
- H01G11/32—Carbon-based
- H01G11/36—Nanostructures, e.g. nanofibres, nanotubes or fullerenes
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Manufacturing & Machinery (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
the invention discloses a lignin modified graphene film and a preparation method thereof, wherein the film is prepared from the following raw materials in parts by weight: 20-30 parts of lignin, 180-200 parts of activated graphene dispersion liquid, 1-2 parts of an acid binding agent, 30-40 parts of pyridine, 0.4-0.5 part of dicumyl peroxide, 1-3 parts of zinc stearate and 40-50 parts of 0.8-1mol/l sodium hydroxide solution. According to the method, phenolic hydroxyl on the surface of lignin reacts with acyl chloride, and the lignin modified graphene is obtained under the action of an acid binding agent, so that the surface activity of the graphene is effectively improved, the dispersibility of the graphene in dimethyl formamide is improved, and the lignin modified graphene film is obtained; the film of the invention has high mechanical stability, good toughness and excellent comprehensive performance.
Description
Technical Field
the invention belongs to the field of films, and particularly relates to a lignin modified graphene film and a preparation method thereof.
background
with the ever-increasing demand for energy, new energy storage and conversion devices are becoming the focus of current research. As a novel energy storage device, the super capacitor has the advantages of high energy density, short charging time, long cycle life, environmental protection and the like. The ideal electrode material can improve various performances of the super capacitor to a greater extent. Common electrode materials are metal oxides, conductive polymers, and carbon materials. Graphene is a compound represented by sp2The two-dimensional crystal of the hexagonal lattice structure formed by hybridized carbon atoms has the thickness of only one atomic layer. The novel two-dimensional structure of the graphene enables the graphene to have a large specific surface area, high carrier mobility and excellent chemical stability, and the graphene can be used as an ideal electrode material of a super capacitor.
disclosure of Invention
the invention aims to provide a lignin modified graphene film and a preparation method thereof, aiming at the defects and shortcomings of the prior art.
in order to achieve the purpose, the invention adopts the following technical scheme:
A lignin modified graphene film is composed of the following raw materials in parts by weight:
20-30 parts of lignin, 180-200 parts of activated graphene dispersion liquid, 1-2 parts of an acid binding agent, 30-40 parts of pyridine, 0.4-0.5 part of dicumyl peroxide, 1-3 parts of zinc stearate and 40-50 parts of 0.8-1mol/l sodium hydroxide solution.
the activated graphene dispersion liquid is prepared from the following raw materials in parts by weight:
5-7 parts of p-nitrobenzoic acid, 60-70 parts of thionyl chloride, 20-30 parts of graphene and 0.8-1 part of polysorbate.
The preparation method of the activated graphene dispersion liquid comprises the following steps:
Mixing graphene with p-nitrobenzoic acid, keeping the temperature at 80-85 ℃, stirring for 1-2 hours, cooling to normal temperature, adding into thionyl chloride, stirring for reaction for 10-14 hours, adding polysorbate, and performing ultrasonic treatment for 5-10 minutes to obtain the activated graphene dispersion liquid.
the acid-binding agent is triethylamine.
the preparation method of the lignin modified graphene film comprises the following steps:
(1) adding dicumyl peroxide into isopropanol of which the weight is 10-14 times that of the dicumyl peroxide, and uniformly stirring to obtain an initiator solution;
(2) mixing zinc stearate and pyridine, adding the mixture into deionized water which is 5-7 times of the weight of the mixture, uniformly stirring, mixing with the activated graphene dispersion liquid, uniformly stirring, feeding the mixture into a reaction kettle, introducing nitrogen, adjusting the temperature of the reaction kettle to 65-70 ℃, adding the initiator solution, keeping the temperature and stirring for 4-6 hours, discharging and cooling to obtain polymer modified graphene dispersion liquid;
(3) adding lignin into 0.8-1mol/l sodium hydroxide solution, performing heat treatment at 150-;
(4) Mixing the activated lignin solution and the polymer modified graphene dispersion liquid, stirring uniformly, feeding into an ice water bath, adding an acid binding agent, stirring for reacting for 5-8 hours, performing suction filtration, washing a filter cake with water, and drying at normal temperature to obtain lignin modified graphene;
(5) mixing the lignin modified graphene with zinc stearate, adding the mixture into dimethylformamide with the weight being 20-30 times of that of the mixture, stirring for 1-2 hours at the temperature of 50-60 ℃, uniformly coating the mixture on a glass plate, sending the glass plate into an oven, drying for 10-13 hours at the temperature of 75-85 ℃, discharging, cooling, and stripping the film to obtain the lignin modified graphene film.
the invention has the advantages that:
According to the method, firstly, graphene is subjected to acyl chlorination modification, then, graphene is blended with a pyridine monomer, polymerization is carried out under the action of an initiator, a polymer modified graphene dispersion liquid is obtained, then, lignin is used as a raw material, an activated lignin solution is obtained through alkalization high-temperature treatment, phenolic hydroxyl on the surface of the lignin reacts with acyl chloride, and the lignin modified graphene is obtained through reaction under the action of an acid binding agent, so that the surface activity of the graphene is effectively improved, the dispersing performance of the graphene in dimethyl formamide is improved, and therefore the lignin modified graphene film is obtained; the film has high mechanical stability, good toughness and excellent comprehensive performance, is particularly suitable for being used as an electrode material of a super capacitor, has high energy density and good cycle performance and electrochemical stability.
Detailed Description
example 1
A lignin modified graphene film is composed of the following raw materials in parts by weight:
20 parts of lignin, 180 parts of activated graphene dispersion liquid, 1 part of an acid binding agent, 30 parts of pyridine, 0.4 part of dicumyl peroxide, 1 part of zinc stearate and 0.8mol/l of sodium hydroxide solution 40.
The activated graphene dispersion liquid is prepared from the following raw materials in parts by weight:
5 parts of p-nitrobenzoic acid, 60 parts of thionyl chloride, 20 parts of graphene and 0.8 part of polysorbate.
the preparation method of the activated graphene dispersion liquid comprises the following steps:
mixing graphene with p-nitrobenzoic acid, stirring for 1 hour at the temperature of 80 ℃, cooling to normal temperature, adding into thionyl chloride, stirring for reaction for 10 hours, adding polysorbate, and performing ultrasonic treatment for 5 minutes to obtain the activated graphene dispersion liquid.
The acid-binding agent is triethylamine.
The preparation method of the lignin modified graphene film comprises the following steps:
(1) Adding dicumyl peroxide into isopropanol with the weight being 10 times of that of the dicumyl peroxide, and uniformly stirring to obtain an initiator solution;
(2) Mixing zinc stearate and pyridine, adding the mixture into deionized water which is 5 times of the weight of the mixture, uniformly stirring, mixing with the activated graphene dispersion liquid, uniformly stirring, feeding the mixture into a reaction kettle, introducing nitrogen, adjusting the temperature of the reaction kettle to 65 ℃, adding the initiator solution, keeping the temperature, stirring for 4 hours, discharging and cooling to obtain a polymer modified graphene dispersion liquid;
(3) Adding lignin into 0.8mol/l sodium hydroxide solution, performing heat treatment for 40min under 150-160 ℃ steam, discharging and cooling to obtain activated lignin solution;
(4) Mixing the activated lignin solution and the polymer modified graphene dispersion liquid, stirring uniformly, feeding into an ice water bath, adding an acid binding agent, stirring for reacting for 5 hours, performing suction filtration, washing a filter cake with water, and drying at normal temperature to obtain lignin modified graphene;
(5) and mixing the lignin modified graphene with zinc stearate, adding the mixture into dimethylformamide with the weight being 20 times that of the mixture, keeping the temperature and stirring for 1 hour at 50 ℃, uniformly coating the mixture on a glass plate, sending the glass plate into an oven, drying the glass plate for 10 hours at 75 ℃, discharging the material, cooling, and stripping the film to obtain the lignin modified graphene film.
Example 2
A lignin modified graphene film is composed of the following raw materials in parts by weight:
30 parts of lignin, 200 parts of activated graphene dispersion liquid, 2 parts of an acid binding agent, 40 parts of pyridine, 0.5 part of dicumyl peroxide, 3 parts of zinc stearate and 1mol/l of sodium hydroxide solution 50.
The activated graphene dispersion liquid is prepared from the following raw materials in parts by weight:
p-nitrobenzoic acid 7, thionyl chloride 70, graphene 30 and polysorbate 1.
the preparation method of the activated graphene dispersion liquid comprises the following steps:
Mixing graphene with p-nitrobenzoic acid, stirring for 2 hours at the temperature of 85 ℃, cooling to normal temperature, adding into thionyl chloride, stirring for reaction for 14 hours, adding polysorbate, and performing ultrasonic treatment for 10 minutes to obtain the activated graphene dispersion liquid.
the acid-binding agent is triethylamine.
the preparation method of the lignin modified graphene film comprises the following steps:
(1) Adding dicumyl peroxide into isopropanol with the weight 14 times that of the dicumyl peroxide, and uniformly stirring to obtain an initiator solution;
(2) mixing zinc stearate and pyridine, adding the mixture into deionized water 7 times the weight of the mixture, uniformly stirring, mixing with the activated graphene dispersion liquid, uniformly stirring, feeding the mixture into a reaction kettle, introducing nitrogen, adjusting the temperature of the reaction kettle to 70 ℃, adding the initiator solution, keeping the temperature, stirring for 6 hours, discharging and cooling to obtain a polymer modified graphene dispersion liquid;
(3) Adding lignin into 1mol/l sodium hydroxide solution, performing heat treatment at 160 deg.C for 50min, discharging, and cooling to obtain activated lignin solution;
(4) Mixing the activated lignin solution and the polymer modified graphene dispersion liquid, stirring uniformly, feeding into an ice water bath, adding an acid binding agent, stirring for reacting for 8 hours, performing suction filtration, washing a filter cake with water, and drying at normal temperature to obtain lignin modified graphene;
(5) And mixing the lignin modified graphene with zinc stearate, adding the mixture into dimethylformamide with the weight 30 times that of the mixture, keeping the temperature and stirring for 2 hours at 60 ℃, uniformly coating the mixture on a glass plate, sending the glass plate into an oven, drying the glass plate for 13 hours at 85 ℃, discharging, cooling, and stripping the film to obtain the lignin modified graphene film.
And (3) performance testing:
the film can be pulled into a wire without being damaged by tweezers, which shows that the film has good flexibility;
Testing the electrochemical performance of the lignin modified graphene film by adopting a three-electrode system;
Soaking a certain amount of lignin modified graphene film in 2mol/l potassium chloride solution for 30 minutes, taking out and fixing the lignin modified graphene film into a clamp to be used as a working electrode, taking a platinum wire as a counter electrode, taking a saturated calomel electrode as a reference electrode, and taking 2mol/l potassium chloride solution as electrolyte;
The following results are obtained through testing and calculation:
The specific capacitance at 1A/g is 219.8-227.7F/g; after 500 times of cyclic voltammetry scanning, the specific capacitance value is kept between 90.8 and 92.7 percent.
Claims (1)
1. the preparation method of the lignin modified graphene film is characterized in that the lignin modified graphene film is prepared from the following raw materials in parts by weight:
20-30 parts of lignin, 180-200 parts of activated graphene dispersion liquid, 1-2 parts of an acid-binding agent, 30-40 parts of pyridine, 0.4-0.5 part of dicumyl peroxide, 1-3 parts of zinc stearate and 40-50 parts of 0.8-1mol/l sodium hydroxide solution;
the activated graphene dispersion liquid is prepared from the following raw materials in parts by weight:
5-7 parts of p-nitrobenzoic acid, 60-70 parts of thionyl chloride, 20-30 parts of graphene and 0.8-1 part of polysorbate;
the preparation method of the activated graphene dispersion liquid comprises the following steps:
Mixing graphene with p-nitrobenzoic acid, stirring for 1-2 hours at the temperature of 80-85 ℃, cooling to normal temperature, adding into thionyl chloride, stirring for reaction for 10-14 hours, adding polysorbate, and performing ultrasonic treatment for 5-10 minutes to obtain the activated graphene dispersion liquid;
the acid-binding agent is triethylamine;
the preparation method of the lignin modified graphene film comprises the following steps:
(1) Adding dicumyl peroxide into isopropanol of which the weight is 10-14 times that of the dicumyl peroxide, and uniformly stirring to obtain an initiator solution;
(2) Mixing zinc stearate and pyridine, adding the mixture into deionized water which is 5-7 times of the weight of the mixture, uniformly stirring, mixing with the activated graphene dispersion liquid, uniformly stirring, feeding the mixture into a reaction kettle, introducing nitrogen, adjusting the temperature of the reaction kettle to 65-70 ℃, adding the initiator solution, keeping the temperature and stirring for 4-6 hours, discharging and cooling to obtain polymer modified graphene dispersion liquid;
(3) adding lignin into 0.8-1mol/l sodium hydroxide solution, performing heat treatment at 150-;
(4) mixing the activated lignin solution and the polymer modified graphene dispersion liquid, stirring uniformly, feeding into an ice water bath, adding an acid binding agent, stirring for reacting for 5-8 hours, performing suction filtration, washing a filter cake with water, and drying at normal temperature to obtain lignin modified graphene;
(5) mixing the lignin modified graphene with zinc stearate, adding the mixture into dimethylformamide with the weight being 20-30 times of that of the mixture, stirring for 1-2 hours at the temperature of 50-60 ℃, uniformly coating the mixture on a glass plate, sending the glass plate into an oven, drying for 10-13 hours at the temperature of 75-85 ℃, discharging, cooling, and stripping the film to obtain the lignin modified graphene film.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103738945A (en) * | 2013-11-14 | 2014-04-23 | 盐城增材科技有限公司 | Method for preparing controllable network three-dimensional graphene through chemical bond linking |
| WO2015143434A1 (en) * | 2014-03-21 | 2015-09-24 | The Board Of Regents For Oklahoma State University | System and method for synthesis of poss-starch derivatives as effective fillers for developing high performance composites |
| CN105199436A (en) * | 2015-10-28 | 2015-12-30 | 沈阳化工大学 | Preparation method for copolymerization living polymer modified graphene oxide |
| CN107814378A (en) * | 2017-11-03 | 2018-03-20 | 福州大学 | Lignin functional modification graphene and preparation method thereof |
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| US9540244B2 (en) * | 2013-06-05 | 2017-01-10 | Mississippi State University | Methods for synthesizing graphene from a lignin source |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738945A (en) * | 2013-11-14 | 2014-04-23 | 盐城增材科技有限公司 | Method for preparing controllable network three-dimensional graphene through chemical bond linking |
| WO2015143434A1 (en) * | 2014-03-21 | 2015-09-24 | The Board Of Regents For Oklahoma State University | System and method for synthesis of poss-starch derivatives as effective fillers for developing high performance composites |
| CN105199436A (en) * | 2015-10-28 | 2015-12-30 | 沈阳化工大学 | Preparation method for copolymerization living polymer modified graphene oxide |
| CN107814378A (en) * | 2017-11-03 | 2018-03-20 | 福州大学 | Lignin functional modification graphene and preparation method thereof |
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