Graphene electrical heating body preparation method

An electric heating and graphene technology, which is applied in ohmic resistance heating, electric heating devices, heating element materials, etc., can solve the problems of inconvenient production of heating elements, long production time, and low heating efficiency of heating elements.

Inactive Publication Date: 2016-08-31
SUZHOU SICHUANGYUANBO ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The existing heating element is inconvenient to manufacture, and the manufacturing time is long, and the heating efficiency of the heating element is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Take by weighing the graphene powder of 6 weight parts, the far-infrared emission agent of 0.5 weight part, the binding diluent of 3 weight parts, at first the graphene powder is mixed with the far-infrared emission agent and stirred evenly, then add the binding diluent and mix Finally, a slurry is formed; the bonding diluent is a high temperature resistant phenolic resin, and the particle size of the graphene powder is 30-60nm.

[0019] Print 250-mesh screen on the substrate, leveling at room temperature for 10 minutes, drying at 110 °C for 10-15 min; At about 5°C per minute, keep warm for 10 minutes; open the oven door, take it out and cool down.

[0020] Do 100-mesh screen printing of the above-mentioned electric heating paste on the substrate, leveling at room temperature for 10 minutes, drying at 150°C for 10 minutes; 650°C, the heating rate is about 10°C per minute, keep warm for 15 minutes; open the furnace door, take out and cool down.

[0021] Screen-print th...

Embodiment 2

[0023] Take by weighing the graphene powder of 7 weight parts, the far-infrared emitter of 2 weight parts, the binding diluent of 5 weight parts, at first graphene powder is stirred after mixing with far-infrared emitter, then adds binding diluent and mixes Finally, a slurry is formed; the bonding diluent is a high temperature resistant phenolic resin, and the particle size of the graphene powder is 30-60nm.

[0024] Print 250-mesh screen on the substrate, leveling at room temperature for 15 minutes, drying at 150°C for 15 minutes; sintering in a common resistance furnace: at room temperature 150°C, keep warm for 10 minutes, then heat to 600°C, and the heating rate is 10 minutes per minute ℃, keep warm for 10 minutes; open the oven door, take out and cool down.

[0025] Do 150-mesh screen printing of the above-mentioned electric heating paste on the substrate, leveling at room temperature for 15 minutes, and drying at 180°C for 15 minutes; 750°C, the heating rate is about -15...

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PUM

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Abstract

The present invention discloses a graphene electrical heating body preparation method. The method comprises the following steps: (1) preparing electrical heating body slurry; (2) preparing silver electrode; (3) preparing an electric heating layer; and (4) preparing an encapsulated layer. The electrical heating body prepared by the graphene electrical heating body preparation method employs the graphene electrical heating slurry, and because the minimal current can activate a grapheme far-infrared electrothermal portion, the graphene electrical heating body preparation method only save 60% of energy compared with a traditional electrothermal mode, and therefore, the electric energy utilization rate is improved, the heat transfer resistance is small, and the chemical stability, the heat stability and the electrothermal conversion efficiency are high. The number of the printing silk screens, the number of times of printing sintering and the number of times of continuous printing are combined to realize the changing of the total resistance value of a fixed figure so as to reach an object restistance.

Description

Technical field [0001] The present invention involves the field of home appliance manufacturing, and specifically involves a preparation method for graphene electric heating. Background technique [0002] The traditional method of using resistance wires for heating and heating has a small electric heating area, low electricity heating efficiency, and the disadvantages of the resistance of the resistor for a long time, which is easy to oxidize and short life.As a result, more and more electric heating membranes begin to enter people's vision. [0003] Semiconductor conductive membranes have been widely used in glass frosting in automotive, airplanes, refrigerators and other equipment.However, it is mainly prepared by magnetic control sputtering and spraying heat decomposition.However, the equipment used during the preparation process is very expensive. In addition, because the shape of the household appliances is extremely complicated, it is difficult to compound the semiconductor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/14H05B3/84
CPCH05B3/145H05B3/84
Inventor 刘娜
Owner SUZHOU SICHUANGYUANBO ELECTRONICS TECH CO LTD
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