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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Problems solved by technology

However, there is less research on graphene-based microrods (I found it),

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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Example Embodiment

[0013] Specific implementation manner one: such 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 an insulating plug.

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

Example Embodiment

[0016] Specific embodiment two: this embodiment is different from specific embodiment one in that the slurry adopts a graphene oxide / polyvinyl alcohol blend aqueous solution (the mass ratio of the two is 1:1), and the total concentration is 5 mg / ml.

Example Embodiment

[0017] Specific embodiment three: This embodiment is different from specific embodiments one and two in that the pure graphene oxide slurry is replaced with 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 4: This embodiment is different from specific embodiments 1, 2 and 3 in that the constant temperature heating device 1 is a high-temperature oven, and the high-temperature oven is a self-processed oven, that is, the silica capillary column 2 can be extended and connected Out, the temperature range can be adjusted to 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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