CN202799224U - Transparent electric heating film based on graphene - Google Patents
Transparent electric heating film based on graphene Download PDFInfo
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- CN202799224U CN202799224U CN 201220509608 CN201220509608U CN202799224U CN 202799224 U CN202799224 U CN 202799224U CN 201220509608 CN201220509608 CN 201220509608 CN 201220509608 U CN201220509608 U CN 201220509608U CN 202799224 U CN202799224 U CN 202799224U
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Abstract
The utility model relates to a transparent electric heating film based on graphene, comprising a transparent flexible substrate on which a graphene film is arranged. A conductive connecting omentum is arranged on the graphene film, electrodes are arranged on the conductive connecting omentum and are electrically connected with the conductive connecting omentum and the graphene film, and a protection layer is arranged and covers on the electrodes, and covers on the graphene film and the conductive connecting omentum. The transparent electric heating film based on graphene of the utility model is suitable for a mass production, enables the labor cost to be reduced substantially and the product stability to be improved at the same time, and has the characteristics of uniform heating, high transparency, good flexibility, low cost and good stability. The heating power of the transparent electric heating film can be designed according to actual demands, and a heating curve also can be designed according to use demands, so that the demisting and defrosting functions of the heating film can be guaranteed, at the same time, the brittleness cracking of a glass caused by a temperature jump does not occur, the application range is wide, and the transparent electric heating film based on graphene is stable and reliable.
Description
Technical field
The utility model relates to a kind of electrical-heating film, and especially a kind of transparent electrical-heating film based on Graphene belongs to the technical field of electrical-heating film.
Background technology
At present, the occupation mode that windshield carries out electric heated defrosting has three kinds, be respectively: be to print the thick-film resistor silk at the inner surface of glass such as automotive rear windshields defrosting now relatively more commonly used 1,, this resistance wire is not transparent, so can not the monoblock printing, can only be made into the barrier shape, by many resistance wire piecemeals windshield is heated, it is slow and inhomogeneous to heat up, and resistance wire is easy to be hung up, cause local idle phenomenon, this electric heating film since opaque can not use with front windshield on; 2, be CN2104776U such as notification number, it is that Electric radiant Heating Film is clipped in structure in the middle of the layer glass that name is called what adopt in the utility model patent of " Windscreen with transparent electrothermal diaphragm for removing frost ", the defective of this structure is to enter easily between the layer glass dust, can't clear up, the long-term sight line of using meeting affect the driver, and more thick and heavy replacement cost is high; 3, be ZL200720013801.7 such as the patent No., name is called in the utility model patent of " electrical heating frost prevention film for car windshield " and relates to a kind of water white Electric radiant Heating Film and thermostat; Water white Electric radiant Heating Film is the coating film of electric-heating coatings, electrode and thermostat are fixed on the Electric radiant Heating Film with conductive heat-resistant glue, transparent conductive coating is " TWU-1 " trade mark coating, and this electrically-conducting paint is by disperseing the ATO(stibium doping stannic oxide in water) make; It is coated onto on the film of synthetic resin, and formation has antistatic, prevents from adsorbing the nesa coating of dust function, but this material resistance to acids and bases is poor, and fragility is large, and ITO and ATO coating price costliness, and cost is too high.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of transparent electrical-heating film based on Graphene is provided, and it is simple and compact for structure, and transparency is high, and pliability is good, and cost is low, and wide accommodation is reliable and stable.
The technical scheme that provides according to the utility model, described transparent electrical-heating film based on Graphene, comprise the transparent flexible substrate, on the described transparent flexible substrate graphene film is set, described graphene film is provided with conduction and connects nethike embrane, described conduction connects nethike embrane and is provided with electrode, and described electrode is connected nethike embrane with conduction and graphene film is electrically connected; Overcoat is set on the electrode, and described overcoat covers on the electrode, and covers on graphene film and the conduction connection nethike embrane.
The material of described transparent flexible substrate comprises the PET film.The material that described conduction connects nethike embrane comprises aluminium or silver.
Described conduction connects the wire diameter of nethike embrane less than 5 μ m.Described transparent flexible substrate is provided with adhensive membrane, and graphene film is arranged on the transparent flexible substrate by adhensive membrane.
Advantage of the present utility model: can prepare by volume to volume technique, be suitable for producing in enormous quantities, greatly reduce cost of labor, improve simultaneously the stability of product, have homogeneous heating, transparency is high, pliability is good, cost is low, the characteristics of good stability.The heating power of transparent electrical heating film can design according to actual needs, also can according to using needs design heating curves, guarantee that heating film has the demist defrost function, can not cause owing to temperature jump simultaneously the brittle cracking of glass, simple and compact for structure, wide accommodation, reliable and stable.
Description of drawings
Fig. 1 is that graphene film of the present utility model, conduction connect the structural representation that nethike embrane distributes at the transparent flexible substrate.
Fig. 2 is the schematic diagram that the utility model prepares graphene film.
To be the utility model transfer to structural representation on the transparent flexible substrate with graphene film to Fig. 3.
Fig. 4 is the schematic diagram of the utility model printing overcoat.
Fig. 5 is the structure cutaway view of the transparent electrical-heating film of the utility model.
Description of reference numerals: 1-overcoat, 2-electrode, 3-conduction connect nethike embrane, 4-graphene film, 5-adhensive membrane, 6-transparent flexible substrate, 7-tube furnace and 8-quartz ampoule.
Embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
Such as Fig. 1 and shown in Figure 5: in order to improve the scope of application of electrical-heating film, reduce cost, electrical-heating film of the present utility model comprises transparent flexible substrate 6, on the described transparent flexible substrate 6 graphene film 4 is set, described graphene film 4 is provided with conduction and connects nethike embrane 3, described conduction connects nethike embrane 3 and is provided with electrode 2, and described electrode 2 is connected nethike embrane 3 with conduction and graphene film 4 is electrically connected; Overcoat 1 is set on the electrode 2, and described overcoat 1 covers on the electrode 2, and covers on graphene film 4 and the conduction connection nethike embrane 3.
Graphene film 4 is arranged on the transparent flexible substrate 6 by adhensive membrane 5, and the material that conduction connects nethike embrane 3 comprises aluminium or silver, and conduction connects the frame structure that nethike embrane 3 is formed by some lines, and conduction connects the wire diameter of nethike embrane 3 less than 5 μ m.Conduction connects the electrothermal film material of nethike embrane 3 and graphene film 4 compositions, have transparency height, characteristics that pliability is good, graphene film 4 be the carbon atom of individual layer form have cellular hexagonal two dimensional crystal structure, the electrically conducting transparent good with pliability is connected nethike embrane 3 combinations, conduction connects the connectivity that nethike embrane 3 strengthens graphite and graphite, fill up the grid between all blank, can guarantee the conductivity that electrothermal film material is good, quality is light, cheap, the wire diameter that conduction connects nethike embrane 3 is as the criterion with the light transmission that does not affect material.The material of transparent flexible substrate 6 comprises PET(Polyethylene terephthalate), among the utility model embodiment, can enlarge the scope of application for preparing electric heating film by transparent flexible substrate 6.The material of electrode 2 comprises silver, can be connected with external power source by electrode 2, and graphene film 4 and conduction connect nethike embrane 3 can produce required heating heat.
Such as Fig. 1 ~ shown in Figure 5: the structure of the transparent electrical-heating film of said structure, can prepare by following technique, comprise particularly:
A, provide transparent flexible substrate 6, and on described transparent flexible substrate 6 coated with adhesive film 5;
The material of described transparent flexible substrate 6 comprises the PET film, in order to improve the adhesive force of transparent flexible substrate 6 required formation print surfaces, printing surface at transparent flexible substrate 6 carries out corona treatment or chemical corrosion frosted processing, and then adhensive membrane 5 is coated on the printing surface of transparent flexible substrate 6.The printing surface of transparent flexible substrate 6 is carried out corona treatment and the chemical corrosion frosted is treated to conventional processing procedure, no longer describe in detail herein.
B, preparation graphene film 4, and described graphene film 4 transferred on the transparent flexible substrate 6, graphene film 4 is connected with transparent flexible substrate 6 by adhensive membrane 5;
As shown in Figures 2 and 3: preparation graphene film 4 and the technical process that described graphene film 4 is transferred on the transparent flexible substrate 6 comprise the steps:
B1, provide interim substrate, and at interim substrate by the CVD(chemical vapour deposition (CVD)) the mode deposit obtains graphene film 4;
Described interim substrate is Copper Foil, nickel foil or Ru etc.; The graphene film 4 of large area film shape utilizes tube furnace 7 and quartz ampoule 8 to obtain by chemical vapour deposition technique (CVD).Particularly, heat treatment is with the interim substrate of metallic catalyst in certain organic atmosphere, will dissolve certain density carbon in the metallic catalyst, in temperature-fall period, oversaturated carbon is separated out the formation Graphene from metallic catalyst, and metallic catalyst is Ni, Cu, Ru etc. normally, roughly technical process as shown in Figure 2, methane decomposites carbon atom as the carbon raw material from methane gas, and fitly is arranged in the metal surface by hexagonal atomic structure, obtains the graphene film 4 of monoatomic layer; Hydrogen before Graphene growth at the harmful oxide of surface etch and other pollutants of copper or nickel, the also unnecessary amorphous carbon of selectively etching of hydrogen in deposition process; Argon gas is as a kind of inert protective gas.The lowest purity of all gas is 99.999%.In the Graphene growth course, general gas flow is according to argon gas 1000cm
3/ min, hydrogen 50cm
3/ min, methane 25cm
3/ min, before growth, system is heated to 1000 ℃ under argon shield, and the speed of service of copper film can be adjusted between 1 ~ 40cm/min, after growth is finished, continues to pass into the argon gas cooling.The process of above-mentioned graphene film 4 preparations is known by the art personnel, repeats no more herein.
B2, the graphene film 4 on the interim substrate is superimposed with the adhensive membrane 5 on the transparent flexible substrate 6 forms interim cohesive body;
Among the utility model embodiment, utilize the flexible copper substrate as interim substrate, with the large-area graphene film 4 of catalytic growth, adopt again chemical etching and printing transferring method that graphene film 4 is transferred on the transparent flexible substrate 6, as shown in Figure 3; Be the process with graphene film 4 and interim substrate separation, the adhensive membrane 5 on the transparent flexible substrate 6 comprises PVB or ethyl cellulose etc., and the graphene film 4 on the interim substrate is superimposed with the adhensive membrane 5 on the transparent flexible substrate 6, forms interim cohesive body;
B3, above-mentioned interim cohesive body is passed through from the delivery rolls of two contacts of rolling, so that adhensive membrane 5 bondings on graphene film 4 and the transparent flexible substrate 6;
Then interim cohesive body is sent into two delivery rolls, through twice rolling, graphene film 4 is bonded together by adhensive membrane 5 and transparent flexible substrate 6;
B4, the above-mentioned interim substrate of removal are to obtain being positioned at the graphene film 4 on the transparent flexible substrate 6.
After graphene film 5 is bonded together with transparent flexible substrate 6, needs and to separate as Copper Foil or the nickel foil of interim substrate, be grown in like this graphene film 4 on the Copper Foil just by complete having transferred on the target transparent flexible substrate 6.High by prepared graphene film 4 purity of described method, area is large, and is no longer dependent on any mineral resources.
C, printing conductive connects nethike embrane 3 on above-mentioned graphene film 4;
D, connect nethike embrane 3 in above-mentioned graphene film 4 and conduction and print electrode 2, described electrode 2 is connected nethike embrane 3 electrical connections with graphene film 4 and conduction;
Electrode 2 is parts of electrical-heating film electric current busbar, and the welding that also can be used as lead-out wire is used.
E, at above-mentioned electrode 2 printing overcoats 1, described overcoat 1 covers on the electrode 2, and covers graphene film 4 and conduction connects on the nethike embrane 3.Described overcoat 1 has anti-scratch ability.
Among above-mentioned steps d and the step e, electrode 2 and overcoat 1 prepare by volume to volume ink-jet printing technology or volume to volume screen printing technique, as shown in Figure 4.Preparation makes, the mode of transparent flexible substrate 6 with entire volume is installed on the unwinding equipment, continuously, equidistant the printing position that moves to, realize exactitude position by color mark sensor, can carry out the chromatography of a plurality of patterns, after printing, transparent flexible substrate 6 enters rotary drying, carry out rolling through after the sufficient infra-red drying, this technique greatly reduces cost of labor, has improved simultaneously the stability of product.
At present, traditional transparency electrode is utilized indium tin oxide semiconductor (ITO), is usually used in the electrode structure of solar cell and flat-panel monitor, touch sensor; Film resistor is less than 100 Ω/sq, optical clear 90%, and unlimited extensibility.The utility model is by volume to volume printing technology and chemical vapour deposition (CVD) 30 inches wide graphene films 4 of individual layer to the transparent flexible substrate 6, the resistor disc of the graphene film 4 of individual layer is low to moderate 125 Ω/sq, 97.4% light transmittance, have the Hall quantum effect that can observe under the normal temperature, conductivity is good; Simultaneously, can also prepare the four stacked graphene film that adds 4 structures, the resistor disc resistance value of the four stacked graphene film that adds 4 structures is low to moderate 30 Ω/sq, 90% transparency, the performance that is the graphene film 4 that obtains of the utility model is better than business-like transparency electrode, described business-like transparency electrode such as indium tin oxide.
The utility model electrical-heating film comprises that graphene film 4 and conduction connect nethike embrane 3, and by 6 supports of transparent flexible substrate, have transparency height, characteristics that pliability is good, graphene film 4 be the carbon atom of individual layer form have cellular hexagonal two dimensional crystal structure, it has special band structure, has the Hall quantum effect that can observe under the normal temperature, and conductivity is good, single-layer graphene film 4 is very thin, and thickness is less than 0.335nm.Light transmission is good, and absorptance only has 2.3%, and conduction connects the light transmission that nethike embrane 3 does not affect material, and manufacturing cost of the present utility model is significantly less than existing ITO and ATO coating, and material is stable fine.
The utility model can prepare by volume to volume technique, is suitable for producing in enormous quantities, greatly reduces cost of labor, has improved simultaneously the stability of product, has homogeneous heating, transparency is high, pliability is good, cost is low, the characteristics of good stability.The heating power of transparent electrical heating film can design according to actual needs, also can guarantee that heating film has the demist defrost function according to using needs design heating curves, can not cause owing to temperature jump the brittle cracking of glass simultaneously.It is opaque to have solved existing wind screen defrosting heater strip, can not be used for the defective of front windshield; The heaviness, cost that Electric radiant Heating Film is clipped in the construction in the layer glass be high, be not suitable for the long-term defective of using; The not acid and alkali-resistance of water white transparency heating frost prevention film for car and the large defective of fragility.
Claims (5)
1. transparent electrical-heating film based on Graphene, it is characterized in that: comprise transparent flexible substrate (6), graphene film (4) is set on the described transparent flexible substrate (6), described graphene film (4) is provided with conduction and connects nethike embrane (3), described conduction connects nethike embrane (3) and is provided with electrode (2), and described electrode (2) is connected nethike embrane (3) with conduction and graphene film (4) is electrically connected; Overcoat (1) is set on the electrode (2), and described overcoat (1) covers on the electrode (2), and covers on graphene film (4) and the conduction connection nethike embrane (3).
2. the transparent electrical-heating film based on Graphene according to claim 1, it is characterized in that: the material of described transparent flexible substrate (6) comprises the PET film.
3. the transparent electrical-heating film based on Graphene according to claim 1 is characterized in that: the material that described conduction connects nethike embrane (3) comprises aluminium or silver.
4. it is characterized in that according to claim 1 or 3 described transparent electrical-heating films based on Graphene: described conduction connects the wire diameter of nethike embrane (3) less than 5 μ m.
5. the transparent electrical-heating film based on Graphene according to claim 1, it is characterized in that: described transparent flexible substrate (6) is provided with adhensive membrane (5), and graphene film (4) is arranged on the transparent flexible substrate (6) by adhensive membrane (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220509608 CN202799224U (en) | 2012-09-28 | 2012-09-28 | Transparent electric heating film based on graphene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220509608 CN202799224U (en) | 2012-09-28 | 2012-09-28 | Transparent electric heating film based on graphene |
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| CN202799224U true CN202799224U (en) | 2013-03-13 |
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ID=47826389
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|---|---|---|---|
| CN 201220509608 Expired - Lifetime CN202799224U (en) | 2012-09-28 | 2012-09-28 | Transparent electric heating film based on graphene |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102883486A (en) * | 2012-09-28 | 2013-01-16 | 江苏物联网研究发展中心 | Graphene based transparent electric heating film and production method thereof |
| CN103338538A (en) * | 2013-07-19 | 2013-10-02 | 南京中脉科技控股有限公司 | Graphene radiation heating film and preparation method and application thereof |
| CN105336083A (en) * | 2015-12-03 | 2016-02-17 | 山东大学 | Tunnel fire early warning sensor based on smart materials and road surface layout system of tunnel fire early warning sensor |
| CN105682269A (en) * | 2016-03-28 | 2016-06-15 | 南京信息工程大学 | Glass with deicing apparatus |
| CN105898907A (en) * | 2016-06-12 | 2016-08-24 | 杭州白熊科技有限公司 | Graphene heating film and preparation method thereof |
| CN106170157A (en) * | 2016-08-25 | 2016-11-30 | 青岛科技大学 | Camera lens heater based on graphene film |
| CN106700113A (en) * | 2017-01-13 | 2017-05-24 | 合肥微晶材料科技有限公司 | Transparent heating film and preparation method thereof |
| CN107564603A (en) * | 2017-07-14 | 2018-01-09 | 无锡舒玛天科新能源技术有限公司 | Transparent graphene conductive film based on flexible glass and preparation method thereof |
| CN109192359A (en) * | 2018-09-27 | 2019-01-11 | 重庆涌阳光电有限公司 | A kind of transparent graphene conductive film and preparation method thereof with rivet arrangement |
| US11825570B2 (en) | 2018-11-16 | 2023-11-21 | Industrial Technology Research Institute | Heater package |
-
2012
- 2012-09-28 CN CN 201220509608 patent/CN202799224U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102883486A (en) * | 2012-09-28 | 2013-01-16 | 江苏物联网研究发展中心 | Graphene based transparent electric heating film and production method thereof |
| CN102883486B (en) * | 2012-09-28 | 2014-09-24 | 江苏物联网研究发展中心 | Graphene based transparent electric heating film and production method thereof |
| CN103338538A (en) * | 2013-07-19 | 2013-10-02 | 南京中脉科技控股有限公司 | Graphene radiation heating film and preparation method and application thereof |
| CN103338538B (en) * | 2013-07-19 | 2015-12-02 | 南京国脉生物制品有限公司 | A kind of graphene radiation heating film and its preparation method and application |
| CN105336083A (en) * | 2015-12-03 | 2016-02-17 | 山东大学 | Tunnel fire early warning sensor based on smart materials and road surface layout system of tunnel fire early warning sensor |
| CN105682269A (en) * | 2016-03-28 | 2016-06-15 | 南京信息工程大学 | Glass with deicing apparatus |
| CN105898907A (en) * | 2016-06-12 | 2016-08-24 | 杭州白熊科技有限公司 | Graphene heating film and preparation method thereof |
| CN106170157A (en) * | 2016-08-25 | 2016-11-30 | 青岛科技大学 | Camera lens heater based on graphene film |
| CN106700113A (en) * | 2017-01-13 | 2017-05-24 | 合肥微晶材料科技有限公司 | Transparent heating film and preparation method thereof |
| CN106700113B (en) * | 2017-01-13 | 2019-06-18 | 合肥微晶材料科技有限公司 | A kind of transparent heating film and preparation method thereof |
| CN107564603A (en) * | 2017-07-14 | 2018-01-09 | 无锡舒玛天科新能源技术有限公司 | Transparent graphene conductive film based on flexible glass and preparation method thereof |
| CN109192359A (en) * | 2018-09-27 | 2019-01-11 | 重庆涌阳光电有限公司 | A kind of transparent graphene conductive film and preparation method thereof with rivet arrangement |
| CN109192359B (en) * | 2018-09-27 | 2020-07-07 | 重庆涌阳光电有限公司 | Graphene transparent conductive film with rivet structure and preparation method thereof |
| US11825570B2 (en) | 2018-11-16 | 2023-11-21 | Industrial Technology Research Institute | Heater package |
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| GR01 | Patent grant | ||
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Granted publication date: 20130313 |