GB2638184A - Method for preparing graphene heating plate - Google Patents
Method for preparing graphene heating plateInfo
- Publication number
- GB2638184A GB2638184A GB2402068.7A GB202402068A GB2638184A GB 2638184 A GB2638184 A GB 2638184A GB 202402068 A GB202402068 A GB 202402068A GB 2638184 A GB2638184 A GB 2638184A
- Authority
- GB
- United Kingdom
- Prior art keywords
- graphene
- heating plate
- preparing
- binder
- electrothermal conversion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/145—Carbon only, e.g. carbon black, graphite
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/16—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being mounted on an insulating base
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
- H05B3/26—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
- H05B3/265—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base the insulating base being an inorganic material, e.g. ceramic
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/013—Heaters using resistive films or coatings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/017—Manufacturing methods or apparatus for heaters
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
A method for preparing a graphene heating plate includes: step 1, adding a binder to graphene that is taken as an electrothermal conversion medium, and fully stirring the binder and the graphene till homogenization; step 2, performing deposition on a quartz glass or silicon nitride ceramic substrate; and step 3, performing annealing on a graphene printing pattern. The preparation process is simple and efficient, the resistance and pattern are adjustable, and the heat dissipation efficiency can be effectively improved. Graphene as the electrothermal conversion medium can fully exert the advantage of high electron mobility to significantly improve the electrothermal conversion efficiency, and moreover, a coating also has auxiliary advantages such as abrasion resistance and corrosion protection. The process has advantages such as low VOC emission and environment friendliness, and can be designed according to different substrates.
Description
METHOD FOR PREPARING GRAPHENE HEATING PLATE
BACKGROUND OF THE INVENTION
[0001] 1. Technical Field
[0002] The present invention relates to the field of graphene technologies, and in particular to a method for preparing a graphene heating plate.
[0003] 2. Description of Related Art
[0004] Graphene, as a novel carbon material, has a single-layer two-dimensional honeycomb lattice structure and excellent physical and chemical properties, with the theoretically electrical conductivity of 6000 S*cm-1 and the theoretically thermal conductivity of 5300 W m1-K-1. Hence, it has great value in the application and research of electric heaters.
[0005] In an electric heating process, the transport of electrons is suppressed manly due to crystal defects. The relatively complete crystal structure of graphene can effectively improve the electrical conductivity of a component. Furthermore, by virtue of the excellent thermal conductivity of graphene, the fast response and uniform temperature distribution of a heater can be achieved, thus improving the working efficiency.
BRIEF SUMMARY OF THE INVENTION
[0006] An object of the present invention is to provide a method for preparing a graphene heating plate to solve the problem mentioned in the above background art.
[0007] To achieve the above object, the present invention provides a technical solution as follows: [0008] a method for preparing a graphene heating plate includes: [0009] step I, adding a binder to graphene that is taken as an electrothermal conversion medium, and fully stirring the binder and the graphene till homogenization; [0010] step 2, performing deposition on a quartz glass or silicon nitride ceramic substrate; and [0011] step 3, performing annealing on a graphene printing pattern.
[0012] As a further technical solution of the present invention, the binder is waterborne acrylic acid or waterborne polyurethane.
[0013] As a further technical solution of the present invention, the graphene in the step 1 has a solid content of 0.5-3%.
[0014] As a further technical solution of the present invention, a spraying process is used for the deposition in the step 2.
[0015] As a further technical solution of the present invention, a laser generator is used for performing the annealing on the graphene printing pattern in the step 3.
[0016] Compared with the prior art, the present invention has the following advantageous effects: [0017] first, a preparation process is simple and efficient, the resistance and pattern are adjustable, and the heat dissipation efficiency during working can be effectively improved; [0018] second, the graphene as the electrothermal conversion medium can fully exert the advantage of high electron mobility to significantly improve the electrothermal conversion efficiency, and moreover, a coating also has auxiliary advantages such as abrasion resistance and corrosion protection; and [0019] third, the process has the advantages such as low VOC emission and environment friendliness, and can be designed according to different substrates.
DETAILED DESCRIPTION OF THE INVENTION
[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below. Obviously, the embodiments described are merely some rather than all of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those ordinarily skilled in the art without creative labor should fall within the protection scope of the present invention.
[0021] In a method for preparing a graphene heating plate, graphene as an electrothermal conversion medium and waterborne acrylic acid or waterborne polyurethane as a binder are fully stirred till homogenization, with the graphene having a solid content of 0.5-3%. Deposition is performed on a quartz glass or silicon nitride ceramic substrate using a spraying process, and annealing is performed on a graphene printing pattern using a laser generator, in order to restructure the graphene and improve the crystallinity to thus increase the electron conductivity, such that the graphene heating plate achieves the advantages such as light weight, stability, high thermal conversion efficiency, high heating speed, uniform heating and low power consumption.
[0022] The graphene heating plate developed by the present invention has the following advantages: [0023] first, a preparation process is simple and efficient with adjustable resistance and pattern, and can also effectively improve the heat dissipation efficiency during working; [0024] second, the graphene as the electrothermal conversion medium can fully exert the advantage of high electron mobility to significantly improve the electrothermal conversion efficiency, and moreover, a coating also has auxiliary advantages such as abrasion resistance and corrosion protection; and [0025] third, the process has the advantages such as low VOC emission and environment friendliness, and can be designed according to different substrates.
[0026] The technological process developed by the present invention is mainly applied to electric heating for the purpose of greatly improving the electrothermal conversion efficiency. The process can be expanded to thermal treatment solutions for a variety of fields such as indoor heating, outdoor mobile heating, modern industrial equipment, and medical treatment and heath devices.
[0027] For those skilled in the art, the present invention is obviously not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, the embodiments should be regarded as non-limiting examples for every point. The scope of the present invention is defined by the appended claims rather than the description above. Therefore, all the variations that fall within the meaning and scope of equivalent important elements of the claims shall be construed as being incorporated within the present invention.
[0028] In addition, it should be understood that, although the specification is described in terms of embodiments, each embodiment by no means includes only one independent technical solution. The specification is set forth in a manner merely for clarity, and those skilled in the art should take the specification as a whole, where the technical solutions in each embodiment may also be combined properly to develop other embodiments that can be understood by those skilled in the art.
Claims (5)
- What is claimed is: 1. A method for preparing a graphene heating plate, comprising: step 1, adding a binder to graphene that is taken as an electrothermal conversion medium, and fully stirring the binder and the graphene till homogenization; step 2, performing deposition on a quartz glass or silicon nitride ceramic substrate; and step 3, performing annealing on a graphene printing pattern.
- 2. The method for preparing the graphene heating plate according to claim 1, wherein the binder is waterborne acrylic acid or waterborne polyurethane.
- 3. The method for preparing the graphene heating plate according to claim 1, wherein the graphene in the step 1 has a solid content of 0.5-3%.
- 4. The method for preparing the graphene heating plate according to claim 1, wherein a spraying process is used for the deposition in the step 2.
- 5. The method for preparing the graphene heating plate according to claim 1, wherein a laser generator is used for performing the annealing on the graphene printing pattern in the step 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2402068.7A GB2638184A (en) | 2024-02-14 | 2024-02-14 | Method for preparing graphene heating plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2402068.7A GB2638184A (en) | 2024-02-14 | 2024-02-14 | Method for preparing graphene heating plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB202402068D0 GB202402068D0 (en) | 2024-03-27 |
| GB2638184A true GB2638184A (en) | 2025-08-20 |
Family
ID=90354640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2402068.7A Pending GB2638184A (en) | 2024-02-14 | 2024-02-14 | Method for preparing graphene heating plate |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2638184A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150241147A1 (en) * | 2012-10-02 | 2015-08-27 | Vorbeck Materials | Graphene Based Thermal Management Devices |
| US20160299543A1 (en) * | 2013-02-27 | 2016-10-13 | Vorbeck Materials Corp. | Thermal management device systems |
| KR20170098341A (en) * | 2016-02-19 | 2017-08-30 | 전자부품연구원 | Heating composition having graphene oxide and heater using the same |
| CN115491081A (en) * | 2022-09-16 | 2022-12-20 | 江苏智先生电器有限公司 | Preparation method and application of sintered graphene ink |
| CN115835432A (en) * | 2022-11-21 | 2023-03-21 | 黑龙江科技大学 | A kind of preparation method of graphene high temperature heating plate |
-
2024
- 2024-02-14 GB GB2402068.7A patent/GB2638184A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150241147A1 (en) * | 2012-10-02 | 2015-08-27 | Vorbeck Materials | Graphene Based Thermal Management Devices |
| US20160299543A1 (en) * | 2013-02-27 | 2016-10-13 | Vorbeck Materials Corp. | Thermal management device systems |
| KR20170098341A (en) * | 2016-02-19 | 2017-08-30 | 전자부품연구원 | Heating composition having graphene oxide and heater using the same |
| CN115491081A (en) * | 2022-09-16 | 2022-12-20 | 江苏智先生电器有限公司 | Preparation method and application of sintered graphene ink |
| CN115835432A (en) * | 2022-11-21 | 2023-03-21 | 黑龙江科技大学 | A kind of preparation method of graphene high temperature heating plate |
Also Published As
| Publication number | Publication date |
|---|---|
| GB202402068D0 (en) | 2024-03-27 |
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