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Preparation device and preparation method of graphene base bar

A technology for preparing devices and olefin-based rods, which is applied in the field of preparation devices for new graphene-based rods, can solve the problems of few researches on graphene-based micro-rods, achieve wide application prospects and application value, reduce heat loss, and facilitate operation Effect

Inactive Publication Date: 2017-12-26
王干
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is less research on graphene-based microrods (I found it), and there is no report on the corresponding continuous production device

Method used

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  • Preparation device and preparation method of graphene base bar
  • Preparation device and preparation method of graphene base bar

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specific Embodiment approach 1

[0013] Specific implementation mode one: as figure 1 As shown, the graphene-based rod preparation device of this embodiment is mainly composed of a constant temperature heating device 1, a silica capillary column 2, a solution tank 3, a rotating table 4, a receiving liquid 5 and a thermal insulation plug.

[0014] The 6 mg / ml graphene oxide slurry (solvent is water) synthesized by the existing method is injected into the silica capillary column 2 at a speed of 1ml / min through an external peristaltic pump, and the slurry enters the constant temperature heating through the silica capillary column 2 Heat treatment is carried out in device 1, graphene oxide hydrothermal reduction undergoes decarboxylation reaction, further reduces the spacing, and becomes preliminary wet reducing graphene oxide fibers under the action of ππ conjugation, and preliminary wet reducing oxidation under the thrust of an external peristaltic pump The graphene fiber is further injected into the rotating s...

specific Embodiment approach 2

[0016] Specific embodiment 2: The difference between this embodiment and specific embodiment 1 is that the slurry uses graphene oxide / polyvinyl alcohol blend aqueous solution (the mass ratio of the two is 1:1), and the total concentration is 5 mg / ml.

specific Embodiment approach 3

[0017] Specific embodiment 3: The difference between this embodiment and specific embodiments 1 and 2 is that the pure graphene oxide slurry is replaced by graphene oxide / lithium iron phosphate aqueous solution (the mass ratio of the two is 1:2), and the total concentration is 4 mg / ml.

[0018] Specific implementation method four: this embodiment is different from specific implementation modes one, two, and three in that the constant temperature heating device 1 is a high-temperature oven, and the high-temperature oven is an oven after self-processing, that is, the silica capillary column 2 can be stretched into and connected. Out, the temperature range can be adjusted from 0-500 ℃, here is set to 400 ℃.

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Abstract

A graphene-based rod preparation device and its preparation method, the graphene-based rod preparation device consists of a constant temperature heating device (1), a silica capillary column (2), a solution tank (3), and a rotary table (4) , receiving liquid (5) and thermal insulation plug (6), the silica capillary column (2) passes through the inside of the constant temperature heating device (1) and passes into the solution tank (3), and the rotating table (4) is Keep rotating at a constant speed during the working process to provide the shear force required to prepare graphene-based rods. The receiving liquid (5) is a low-density solution, such as ethanol, acetone, or two or three of ethanol / acetone / water The heat insulation plug (6) mainly reduces the heat loss of the heating device (1), reduces energy consumption, and improves the internal thermal stability of the constant temperature heating device (1). The graphene-based rod preparation device provided by the invention has the advantages of simple structure, convenient operation, low cost and continuous operation.

Description

technical field [0001] The invention relates to the field of preparation of new materials, in particular to a preparation device and method of a novel graphene-based rod. Background technique [0002] Graphene is a new material with a single-layer sheet structure composed of carbon atoms. It has the thinnest thickness, the hardest hardness, and the highest conductivity in the world. It is a two-dimensional carbon atom crystal with a honeycomb structure. It has excellent electrical properties, thermal properties, mechanical properties, and special quantum Hall effect and quantum tunneling effect, etc. It is expected to be widely used in sensors, nanocomposites, batteries, supercapacitors and other fields. Application value and application prospect. However, to realize its further practical application, the macroscale assembly of nanoscale graphene is a necessary step on the basis of retaining its properties. Various graphene-based assemblies, such as zero-dimensional graphe...

Claims

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Application Information

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IPC IPC(8): C01B32/19C01B25/45C08L29/04C08L29/06C08K5/08C08K5/04C08K3/04
CPCC08K3/04C01B25/45
Inventor 王子韩
Owner 王干
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