CN110010265A - A kind of graphene quantum dot electrocondution slurry and preparation method - Google Patents
A kind of graphene quantum dot electrocondution slurry and preparation method Download PDFInfo
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- CN110010265A CN110010265A CN201910437119.8A CN201910437119A CN110010265A CN 110010265 A CN110010265 A CN 110010265A CN 201910437119 A CN201910437119 A CN 201910437119A CN 110010265 A CN110010265 A CN 110010265A
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- quantum dot
- graphene quantum
- graphene
- electrocondution slurry
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/24—Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon or silicon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
Abstract
A kind of graphene quantum dot electrocondution slurry and preparation method, slurry component and weight proportion are as follows: graphene quantum dot 0.01-1.5 wt%, graphene 0.1-5wt%, dispersing agent 0.1-5wt%, solvent 88.5-99.8wt%.Graphene quantum dot and graphene are added in scattered dispersant solution simultaneously, by grinding, removing, grinding, obtain fine graphite alkene quantum dot electrocondution slurry.The present invention is simple and convenient easy to operate, is easy to realize industrial production, product has good conductive property.
Description
Technical field
The invention belongs to field of nanometer material technology, and in particular to graphene quantum dot electrocondution slurry and preparation method thereof.
Background technique
In comparison with graphene, graphene quantum dot has the advantage that graphene and its quantum dot is a kind of quasi- zero
The carbon material of dimension, the number of plies only has 1-2 layers, therefore has bigger specific surface area, excellent electric conductivity；Unique optical property,
The a series of advantage such as good thermal conductivity；There is now multinomial patent (201010502346.3,201210107483.6,
201210272577.9 201310563462.X, 201410056637.2,201510364756.9,201510375087.5,
201610595300.8) in describe the industrialized process for preparing of variety classes graphene quantum dot, graphene quantum dot industry
Metaplasia production has become trend.
Summary of the invention
The object of the present invention is to provide a kind of graphene quantum dot electrocondution slurries and preparation method thereof, it is intended to improve product
Stability and product electric conductivity.
To achieve the above object, the present invention is achieved by the following technical solutions.
A kind of graphene quantum dot electrocondution slurry of the present invention, substance component and weight proportion are as follows:
Graphene quantum dot 0.01-1.5 wt%
Graphene 0.1-5wt%
Dispersing agent 0.1-5wt%
Solvent 88.5-99.8wt%
Preferably, the number of plies of the graphene quantum dot is 1-2 layers, diameter 1-10nm.
Preferably, the number of plies of the graphene is 1-5 layers, nm-5um grades of diameter.
Preferably, the dispersing agent is polyvinyl chloride, Kynoar, polyvinyl alcohol, polyethylene glycol, polyethylene pyrrole
Pyrrolidone and its one or both of derivative, fluorocarbon surfactant, polysiloxane and its derivative or LA132 glue
The above mixture.
Preferably, the solvent is methanol, ethyl alcohol, isopropanol, N-Methyl pyrrolidone, N- ethenyl pyrrolidone
One or more of ketone, ethyl acetate, butyl acetate or deionized water solvent mixture.
A kind of preparation method of graphene quantum dot electrocondution slurry of the present invention, includes the following steps.
(1) graphene quantum dot, graphene, dispersing agent, solvent configure according to the above ratio.
(2) dispersing agent is distributed in solvent, graphene, graphene quantum dot stirring is then added, obtains pre-dispersed
Solution.
(3) pre-dispersed solution is passed through into mechanical lapping, obtains the graphene quantum dot solution of small particle.
(4) obtained graphene quantum dot solution is obtained into fine graphite alkene quantum dot electrocondution slurry by mechanical stripping.
(5) slurry that step (4) obtains further is ground through nanometer sand mill, obtains finished product graphene quantum
Point electrocondution slurry.
In the step (3), mechanical lapping partial size is ground to by 40um using high speed shear method hereinafter, through mechanical stripping and
Grinding, finally obtains partial size≤5um graphene quantum dot electrocondution slurry.
Preparation method of the present invention is simple and convenient easy to operate, at low cost, it can be achieved that industrialized production, product have good lead
Electrical property.
Detailed description of the invention
Attached drawing 1 is the TEM picture of graphene quantum dot powder of the present invention.
Attached drawing 2 is the TEM picture of graphene powder of the present invention.
Attached drawing 3 be slurry of the present invention apply the resistivity ratio in battery material compared with.
Specific embodiment
The present invention is described in further detail combined with specific embodiments below.
Embodiment 1.
A kind of preparation method of graphene quantum dot electrocondution slurry: 96.5wt% methanol and 0.5wt% are weighed by weight ratio
For polyvinyl chloride into the dispersion tank of dried and clean, then 1.5wt% stone is added to dissolution is completely dispersed in stirring 1h into dispersion tank
Black alkene and 1.5wt% graphene quantum dot, open stirring and high-speed emulsifying machine runs 1h, then ground machine high speed grinding, through machine
Tool peel-off device and nanometer sand mill carry out fining grinding 5h, obtain finely dispersed graphene quantum dot electrocondution slurry.
Embodiment 2.
A kind of preparation method of graphene quantum dot electrocondution slurry: 96.5wt% methanol and 0.3wt% are weighed by weight ratio
Polyvinyl chloride, 0.2wt% Kynoar to dried and clean dispersion tank in, stirring 1h to be completely dispersed dissolution, then to dispersion
2.0wt% graphene and 1.0wt% graphene quantum dot are added in tank, opens stirring and high-speed emulsifying machine runs 1h, then through grinding
Grinding machine high speed grinding carries out fining grinding 5h through mechanical stripping equipment and nanometer sand mill, obtains finely dispersed graphene
Quantum dot electrocondution slurry
Embodiment 3.
A kind of preparation method of graphene quantum dot electrocondution slurry: 47wt% ethyl alcohol, 48wt% N- second are weighed by weight ratio
Vinyl pyrrolidone and 1.0wt% Kynoar are into the dispersion tank of dried and clean, and stirring 1h is to dissolution is completely dispersed, then
3.5wt% graphene and 0.5wt% graphene quantum dot are added into dispersion tank, opens stirring and high-speed emulsifying machine runs 1h, so
By grinder high speed grinding, fining grinding 5h is carried out through mechanical stripping equipment and nanometer sand mill, is obtained finely dispersed
Graphene quantum dot electrocondution slurry.
Embodiment 3.
A kind of preparation method of graphene quantum dot electrocondution slurry: 93.5wt% N- vinyl pyrrole is weighed by weight ratio
Alkanone and 1.0wt% polyethylene glycol into the dispersion tank of dried and clean, stirring 1h to be completely dispersed dissolution, then into dispersion tank
3.5wt% graphene and 1.5wt% graphene quantum dot is added, opens stirring and high-speed emulsifying machine runs 1h, then ground machine
High speed grinding carries out fining grinding 5h through mechanical stripping equipment and nanometer sand mill, obtains finely dispersed graphene quantum
Point electrocondution slurry.
The above content is section Example of the invention, and for those skilled in the art, thought can be according to the present invention
A variety of variations are made in embodiment, as long as all belonging to the scope of protection of the present invention without departing from thought of the invention.
Claims (7)
1. a kind of graphene quantum dot electrocondution slurry, it is characterized in that substance component and weight proportion are as follows:
Graphene quantum dot 0.01-1.5 wt%
Graphene 0.1-5wt%
Dispersing agent 0.1-5wt%
Solvent 88.5-99.8wt%.
2. a kind of graphene quantum dot electrocondution slurry according to claim 1, it is characterized in that the graphene quantum dot
The number of plies is 1-2 layers, diameter 1-10nm.
3. a kind of graphene quantum dot electrocondution slurry according to claim 1, it is characterized in that the number of plies of the graphene is
1-5 layers, nm-5um grades of diameter.
4. a kind of graphene quantum dot electrocondution slurry according to claim 1, it is characterized in that the dispersing agent is polychlorostyrene second
Alkene, Kynoar, polyvinyl alcohol, polyethylene glycol, polyvinylpyrrolidone and its derivative, poly- have fluorocarbon surfactant
One or more mixtures of organic siloxane and its derivative or LA132 glue.
5. a kind of graphene quantum dot electrocondution slurry according to claim 1, it is characterized in that the solvent is methanol, second
One of alcohol, isopropanol, N-Methyl pyrrolidone, n-vinyl pyrrolidone, ethyl acetate, butyl acetate or deionized water
Or two or more solvent mixtures.
6. the preparation method of a kind of graphene quantum dot electrocondution slurry described in claim 1, it is characterized in that including the following steps:
(1) graphene quantum dot, graphene, dispersing agent, solvent configure according to the above ratio；
(2) dispersing agent is distributed in solvent, graphene, graphene quantum dot stirring is then added, obtains pre-dispersed solution；
(3) pre-dispersed solution is passed through into mechanical lapping, obtains the graphene quantum dot solution of small particle；
(4) obtained graphene quantum dot solution is obtained into fine graphite alkene quantum dot electrocondution slurry by mechanical stripping；
(5) slurry that step (4) obtains further is ground through nanometer sand mill, obtains finished product graphene quantum dot and leads
Plasma-based material.
7. the preparation method of a kind of graphene quantum dot electrocondution slurry according to claim 1, it is characterized in that the step
(3) in, partial size is ground to 40um hereinafter, through mechanical stripping and grinding using high speed shear method by mechanical lapping, finally obtains grain
Diameter≤5um graphene quantum dot electrocondution slurry.
Priority Applications (1)
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| CN201910437119.8A CN110010265B (en) | 2019-05-24 | 2019-05-24 | Graphene quantum dot conductive slurry and preparation method thereof |
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| CN201910437119.8A CN110010265B (en) | 2019-05-24 | 2019-05-24 | Graphene quantum dot conductive slurry and preparation method thereof |
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| CN110010265A true CN110010265A (en) | 2019-07-12 |
| CN110010265B CN110010265B (en) | 2021-03-19 |
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Citations (6)
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|---|---|---|---|---|
| CN104201357A (en) * | 2014-09-18 | 2014-12-10 | 温州大学 | Graphene quantum dot-graphene composite material as well as preparation method and application thereof |
| CN105895870A (en) * | 2016-04-06 | 2016-08-24 | 鸿纳（东莞）新材料科技有限公司 | High-concentration and high-purity graphene slurry and preparation method and application thereof |
| WO2017137730A1 (en) * | 2016-02-08 | 2017-08-17 | Qatar Foundation For Education, Science And Community Development | Slurry electrodes and batteries comprising slurry electrodes |
| CN107298924A (en) * | 2017-07-06 | 2017-10-27 | 深圳市国创珈伟石墨烯科技有限公司 | A kind of graphene conductive slurry and preparation method thereof, application process |
| CN109305675A (en) * | 2018-09-29 | 2019-02-05 | 盐城师范学院 | A kind of method that quantum dot auxiliary prepares graphene dispersing solution |
| CN109727779A (en) * | 2018-12-12 | 2019-05-07 | 青岛科技大学 | A kind of doping type graphene quantum dot and compound complete graphene-based to electrode and its preparation method and application of modified graphene |
-
2019
- 2019-05-24 CN CN201910437119.8A patent/CN110010265B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201357A (en) * | 2014-09-18 | 2014-12-10 | 温州大学 | Graphene quantum dot-graphene composite material as well as preparation method and application thereof |
| WO2017137730A1 (en) * | 2016-02-08 | 2017-08-17 | Qatar Foundation For Education, Science And Community Development | Slurry electrodes and batteries comprising slurry electrodes |
| CN105895870A (en) * | 2016-04-06 | 2016-08-24 | 鸿纳（东莞）新材料科技有限公司 | High-concentration and high-purity graphene slurry and preparation method and application thereof |
| CN107298924A (en) * | 2017-07-06 | 2017-10-27 | 深圳市国创珈伟石墨烯科技有限公司 | A kind of graphene conductive slurry and preparation method thereof, application process |
| CN109305675A (en) * | 2018-09-29 | 2019-02-05 | 盐城师范学院 | A kind of method that quantum dot auxiliary prepares graphene dispersing solution |
| CN109727779A (en) * | 2018-12-12 | 2019-05-07 | 青岛科技大学 | A kind of doping type graphene quantum dot and compound complete graphene-based to electrode and its preparation method and application of modified graphene |
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| CN110010265B (en) | 2021-03-19 |
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