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

A graphene-based, electric heating plate technology, applied in the field of nano-materials, can solve the problems of difficulty in controlling the thickness of the graphene heating layer, poor stability of the electric heating plate, and brittle conductive film, etc., to achieve easy product quality, complete functions, The effect of controlling product quality

Active Publication Date: 2020-05-22
FOSHAN SHUNDE SANBEI ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the present invention provides a platinum 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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  • Platinum quantum dot doped graphene-based electric heating plate and electric heating device
  • Platinum quantum dot doped graphene-based electric heating plate and electric heating device
  • Platinum quantum dot doped graphene-based electric heating plate and electric heating device

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Effect test

Embodiment 1

[0067] Preparation of graphene oxide acetone dispersion: 500 mg of graphite powder was provided, and graphene oxide (Graphene Oxide, GO) was prepared by a modified Hummers method. 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, centrifuge, and resuspend in acetone to obtain a thickness ranging from 12 to Graphene oxide acetone dispersion liquid with 20 layers and lateral dimension of 700-1000nm. Concentrate by centrifugation as required to adjust the concentration of the graphene oxide acetone dispersion to 150 mg / ml.

[0068] Preparation of platinum quantum dot-doped graphene dispersion: take 50ml of the graphene oxide acetone dispersion prepared above and add 0.05g of phosphomolybdic acid to it, stir at 600rpm for 10h, centrifuge at 15000rpm for 30min, and collect the first precipitate at the bottom of the centrifuge tu...

Embodiment 2

[0074] Preparation of graphene oxide acetone dispersion: 500 mg of graphite powder was provided, and graphene oxide (Graphene Oxide, GO) was prepared by a modified Hummers method. 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 in acetone. A graphene oxide acetone dispersion liquid with a thickness ranging from 8 to 15 layers and a lateral dimension of 700 to 1000 nm. Concentrate by centrifugation as required to adjust the concentration of the graphene oxide acetone dispersion...

Embodiment 3

[0081] Preparation of graphene oxide acetone dispersion: 500 mg of graphite powder was provided, and graphene oxide (Graphene Oxide, GO) was prepared by a modified Hummers method. 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 in acetone to obtain Graphene oxide acetone dispersion with a thickness ranging from 1 to 8 layers and a lateral dimension of 700 to 1000 nm. Concentrate by centrifugation as required to adjust the concentration of the graphene oxide acetone dispersi...

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Abstract

The invention provides a platinum quantum dot doped graphene-based electric heating plate. The platinum quantum dot doped graphene-based electric heating plate comprises an insulating layer and a graphene conductive film arranged on the insulating layer. A preparation method of the graphene conductive film comprises the following steps: : preparing graphene oxide acetone dispersion liquid, preparing platinum quantum dot doped graphene dispersion liquid, preparing platinum quantum dot doped graphene-carbon black paste, preparing resin paste, preparing platinum quantum dot doped graphene-based mixed liquid, preparing platinum quantum dot doped graphene-based conductive ink and preparing the platinum quantum dot doped graphene-based electric heating plate by weight. The invention further provides an electric heating device. The platinum quantum dot doped graphene-based electric heating plate has the advantages that the manufacturing process is rapid, the thickness is convenient to control, the preparation process is rapid, and the prepared platinum 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 platinum quantum dot-doped graphene-based electric heating plate, and also relates to an electric heating device using the platinum 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 sensors, flexi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/34H05B3/14H05B3/12
CPCH05B3/12H05B3/14H05B3/34
Inventor 吴立刚叶德林胡柱东彭令曾垂彬孔金波刘秋明
Owner FOSHAN SHUNDE SANBEI ELECTRONICS CO LTD
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