Hollow graphene fiber as well as preparation method thereof and application

A graphene fiber and hollow technology, which is applied in the field of material science, can solve the problems that hollow fibers cannot be continuous and batch, and achieve the effect of low production cost and high output.

Active Publication Date: 2018-11-02
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention solves the problem that the preparation of hollow fibers in the prior art cannot be realized continuously and in batches, and provides a holl

Method used

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  • Hollow graphene fiber as well as preparation method thereof and application
  • Hollow graphene fiber as well as preparation method thereof and application
  • Hollow graphene fiber as well as preparation method thereof and application

Examples

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Example Embodiment

[0034] The object of the present invention is achieved through the following technical solutions: a preparation method of multiple hollow graphene fibers, comprising the following steps:

[0035] (1) Prepare SU-8 wafer substrates with different numbers of circular hollows (such as figure 1 shown).

[0036] (2) Assemble the SU-8 wafer substrate obtained in step (1) and the fine glass capillary A matching its circular hollow size, and use quick-drying glue to contact the SU-8 wafer substrate with the fine glass capillary tube. place to be fixed (eg figure 2 shown).

[0037] (3) Insert the assembly of the SU-8 wafer substrate and the thin glass capillary tube obtained in step (2) into the thick glass capillary tube B, and fix it with quick-drying glue.

[0038] (4) Connect a sample tube to a different capillary to obtain a spinning device (such as image 3 shown). One end of the spinning device is set as the S end, and the other end is set as the N end; the sampling tubes A a...

Example Embodiment

[0048] Example 1

[0049] The present embodiment is a preparation method of a graphene fiber with a single hollow cross-section, comprising the following steps:

[0050] (1) A SU-8 wafer with a single hollow is prepared on a silicon wafer by photolithography, such as figure 1 (a) and peeled them off the silicon wafer.

[0051] (2) Assemble the SU-8 disc obtained in step (1) and the fine glass capillary A that matches its circular hollow size, so that all boundary parts of the circular hole on the SU-8 disc are fixed to the capillary The outer wall of A, make the SU-8 disc perpendicular to the capillary A, and fix the place where the SU-8 disc is in contact with the fine glass capillary A with quick-drying glue, such as figure 2 (a).

[0052] (3) Insert the assembly of the SU-8 wafer and the thin glass capillary A obtained in step (2) into the coarse glass capillary B, so that all the boundary parts of the substrate are fixed to the inner wall of the capillary B, and make t...

Example Embodiment

[0061] Example 2

[0062] The present embodiment is a preparation method of a graphene fiber with a double hollow cross section, comprising the following steps:

[0063] (1) SU-8 wafers with double hollows are prepared on silicon wafers by photolithography, such as figure 1 (b) and peeled them off the silicon wafer.

[0064] (2) Assemble the SU-8 disc obtained in step (1) and the fine glass capillary A that matches its circular hollow size, so that all boundary parts of the circular hole on the SU-8 disc are fixed to the capillary The outer wall of A, make the SU-8 disc perpendicular to the capillary A, and fix the place where the SU-8 disc is in contact with the fine glass capillary A with quick-drying glue, such as figure 2 (b).

[0065] (3) Insert the assembly of the SU-8 wafer and the thin glass capillary A obtained in step (2) into the coarse glass capillary B, so that all the boundary parts of the substrate are fixed to the inner wall of the capillary B, and make the...

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Abstract

The invention relates to a hollow graphene fiber as well as preparation method thereof and application, belonging to material science field, the method includes the following steps: (1) preparing a substrate with at least one round orifice; (2) assembling the substrate with capillary tube A and B, connecting the sampling tube A to the capillary tube A, opening a hole on the wall of the capillary tube B and connecting the sampling tube B to the hole to obtain a spinning device; (3) preparing oxidized graphene fiber with different quantities and diameters through the spinning device and obtaining hollow graphene fiber by reduction finally, the preparation method provided by the invention is simple and practicable and has high precision, which is applicable to continuous and batch preparationof hollow graphene fiber.

Description

technical field [0001] The invention belongs to the field of material science, and in particular relates to a hollow graphene fiber and a preparation method and application thereof. Background technique [0002] Fibers are natural or synthetic filamentous substances. In modern life, the application of fibers is ubiquitous, and fibers with different properties are used in different fields. After seaweed carbon fiber is made into clothes, it can cause long-term friction of human body molecules to generate thermal reaction when worn, and promote blood circulation in the body; clothes made of anti-ultraviolet radiation fibers can reduce the trouble of us holding umbrellas in summer; flame-retardant fibers have flame-retardant, The effect of heat insulation and anti-droplet, its application performance, safety performance and added value are greatly improved, and can be widely used in civil, industrial and military fields; viscose-based carbon fiber helps missiles wear "heat-proo...

Claims

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Application Information

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IPC IPC(8): D01F9/12
CPCD01F9/12
Inventor 刘笔锋董悦陈鹏
Owner HUAZHONG UNIV OF SCI & TECH
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