Titanium quantum dot doped graphene-based electric heating plate and electric heating device

A graphene-based, electric heating plate technology, applied in the field of nanomaterials, can solve the problems of difficulty in controlling the thickness of the graphene heating layer, poor stability of the electric heating plate, and easy brittleness of the conductive film, so as to achieve easy product quality and fast production process. , Control the effect of product quality

Active Publication Date: 2020-07-17
FOSHAN SHUNDE SANBEI ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the present invention provides a titanium quantum dot-doped graphene-based electric heating plate to solve the poor stability of the electric heating plate in the prior art, the difficulty in controlling the thickness of the graphene heating layer, poor conductivity, and printing problems. Common problems such as brittleness, aging, and uneven heating after long-term use of the formed conductive film

Method used

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  • Titanium quantum dot doped graphene-based electric heating plate and electric heating device
  • Titanium quantum dot doped graphene-based electric heating plate and electric heating device
  • Titanium quantum dot doped graphene-based electric heating plate and electric heating device

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Embodiment 1

[0065]The preparation method of the graphene dispersion liquid: 500 mg of graphite powder is provided, and the modified Hummers method is used to prepare graphene oxide (Graphene Oxide, GO). In order to further obtain few-layer graphene oxide, place graphene oxide in an ice-water bath, use an ultrasonic disperser to sonicate for 10 minutes at a power of 250W, repeat once, take the supernatant and centrifuge and resuspend to obtain a thickness ranging from 12 to 20 The layer and the graphene oxide dispersion liquid with lateral dimensions of 700-1000nm. Concentrate by centrifugation as required to adjust the concentration of the graphene oxide dispersion to 150 mg / mL.

[0066] The preparation method of the titanium quantum dot dispersion liquid: provide 500 mg of titanium powder, use the liquid phase exfoliation method to peel off the titanium raw material, centrifuge and resuspend to prepare the titanium quantum dot dispersion liquid of 5-80 mg / mL. In this example, 500 mg of ...

Embodiment 2

[0072] The preparation method of the graphene dispersion liquid: 500 mg of graphite powder is provided, and the modified Hummers method is used to prepare graphene oxide (Graphene Oxide, GO). The prepared graphene oxide was further transferred to a high-temperature carbonization furnace for high-temperature carbonization for 30 s. The high-temperature carbonization furnace was filled with nitrogen gas, and the temperature of the high-temperature carbonization furnace was 1200° C. In order to further obtain few-layer graphene oxide, place the graphene oxide expanded at high temperature in an ice-water bath, use an ultrasonic disperser to sonicate for 20 minutes at a power of 250W, repeat once, take the supernatant, centrifuge and resuspend to obtain the thickness The graphene oxide dispersion liquid ranges from 8 to 15 layers and has a lateral dimension of 700 to 1000 nm. Concentrate by centrifugation as required to adjust the concentration of the graphene oxide dispersion to 1...

Embodiment 3

[0079] The preparation method of the graphene dispersion liquid: 500 mg of graphite powder is provided, and the modified Hummers method is used to prepare graphene oxide (Graphene Oxide, GO). The prepared graphene oxide was further transferred to a high-temperature carbonization furnace for high-temperature carbonization for 60 seconds. The high-temperature carbonization furnace was filled with argon gas, and the temperature of the high-temperature carbonization furnace was 1000° C. In order to further obtain few-layer graphene oxide, place the graphene oxide expanded at high temperature in an ice-water bath, use an ultrasonic disperser to sonicate for 30 minutes at a power of 250W, repeat once, take the supernatant, centrifuge and resuspend to obtain the thickness The graphene oxide dispersion liquid ranges from 1 to 8 layers and has a lateral dimension of 700 to 1000 nm. Concentrate by centrifugation as required to adjust the concentration of the graphene oxide dispersion to...

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Abstract

The invention provides a titanium quantum dot doped graphene-based electric heating plate. The titanium quantum dot doped graphene-based electric heating plate which comprises an insulating layer anda graphene conductive film arranged on the insulating layer. The , the invention discloses a preparation method of a the graphene conductive film. The preparation method comprises the following steps: preparing graphene dispersion liquid, preparing titanium quantum dot dispersion liquid, preparing graphene-carbon black paste, preparing titanium quantum dot paste, preparing titanium quantum dot doped graphene-based mixed liquid, preparing titanium quantum dot doped graphene-based conductive ink and preparing the titanium quantum dot doped graphene-based electric heating plate. The invention further provides an electric heating device. The titanium quantum dot doped graphene-based electric heating plate has the advantages that the manufacturing process is rapid, the thickness is convenientto control, the preparation process is rapid, and the prepared titanium quantum dot doped graphene-based conductive film has the functions of flexibility and tear resistance or fracture resistance.

Description

technical field [0001] The invention relates to the technical field of nanomaterials, in particular to a titanium quantum dot-doped graphene-based electric heating plate, and the invention also relates to an electric heating device using the titanium quantum dot-doped graphene-based electric heating plate. Background technique [0002] Graphene is a two-dimensional nanomaterial with a hexagonal honeycomb lattice structure formed by carbon atoms through sp2 hybrid orbitals and only one layer of carbon atoms thick. The unique structure of graphene endows it with many excellent properties, such as high theoretical specific surface area (2630m 2 / g), ultra-high electron mobility (~200000cm 2 / v.s), high thermal conductivity (5000W / m.K), high Young's modulus (1.0TPa) and high light transmittance (~97.7%), etc. With its structure and performance advantages, graphene has great application prospects in energy storage and conversion devices, nanoelectronic devices, multifunctional ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/34C09K11/65
CPCH05B3/34C09K11/65
Inventor 吴立刚叶德林胡柱东彭令曾垂彬孔金波刘秋明马宇飞
Owner FOSHAN SHUNDE SANBEI ELECTRONICS CO LTD
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