WO2004023845A1 - Unites de rechauffement plates contenant des nanotubes de carbone - Google Patents

Unites de rechauffement plates contenant des nanotubes de carbone Download PDF

Info

Publication number
WO2004023845A1
WO2004023845A1 PCT/KR2002/001466 KR0201466W WO2004023845A1 WO 2004023845 A1 WO2004023845 A1 WO 2004023845A1 KR 0201466 W KR0201466 W KR 0201466W WO 2004023845 A1 WO2004023845 A1 WO 2004023845A1
Authority
WO
WIPO (PCT)
Prior art keywords
carbon nanotubes
sheet
heating unit
matrix
shaped heating
Prior art date
Application number
PCT/KR2002/001466
Other languages
English (en)
Inventor
Taek Soo Lee
Young Soo Park
Original Assignee
Nanotech Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanotech Co., Ltd. filed Critical Nanotech Co., Ltd.
Priority to PCT/KR2002/001466 priority Critical patent/WO2004023845A1/fr
Priority to AU2002313956A priority patent/AU2002313956A1/en
Publication of WO2004023845A1 publication Critical patent/WO2004023845A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • 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
    • H05B3/20—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
    • 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
    • H05B3/267—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 organic material, e.g. plastic
    • 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
    • H05B2214/00—Aspects relating to resistive heating, induction heating and heating using microwaves, covered by groups H05B3/00, H05B6/00
    • H05B2214/04—Heating means manufactured by using nanotechnology

Definitions

  • the present invention relates to a sheet-shaped heating unit containing carbon nanotubes and a method of preparing the same, and more specifically, to a sheet-shaped heating unit wherein a specific amount of nanotubes is dispersed in a matrix such as a polymer material or ceramic material, the carbon nanotubes being in electrical contact with one another, thereby exhibiting an excellent heating rate efficiency and also being able to be molded into various structures, and a method of preparing the same.
  • sheet-shaped heating units have a configuration wherein a nichrome wire as a heating member, which is coated with an insulating material, is continuously arranged in the groove of a sheet in a bended form and electrodes are connected to each end of the nichrome wire.
  • the sheet-shaped heating unit of this configuration has a demerit that the insulating coat may be peeled or melted by heat of a very high temperature conducted from the nichrome wire being excessively heated in some cases.
  • a ceramic material is sometimes used as the insulating coat which, however, increases the weight of the sheet-shaped heating unit and also makes the bending shape difficult to achieve the bending shape of the nichrome wire.
  • a carbon-based heating unit prepared by a method wherein carbon blacks
  • an object of the present invention is to solve the aforementioned problems and at the same time meet the requirements in the prior art. That is, an object of the present invention is to provide a sheet-shaped heating unit which has good moldability and excellent uniformity of heat radiation and in which a small amount of nanotubes with good electrical- and heat-conductivity are dispersed in a matrix under a specific condition. Another object of the present invention is to provide a method of preparing the above sheet-shaped heating unit.
  • the present invention provides a sheet-shaped heating unit in which isotropic carbon nanotubes of the length of several ⁇ m ⁇ hundreds of ⁇ m are dispersed in an electrically insulating matrix in the amount of 0.5 ⁇ 50% by weight based upon the total weight of a heating complex, the carbon nanotubes being in electrical contact with one another.
  • the term heating complex means an element including the carbon nanotubes and the matrix and performing heat radiation when current is applied thereto.
  • the very fine carbon nanotubes are dispersed in the insulating matrix under the specific condition that the carbon nanotubes are in electrical contact with one another, whereby the sheet-shaped heating unit can exhibit a higher heat- radiation rate efficiency than the prior art heating unit even by addition of a relatively small amount of carbon nanotubes, and can also be easily molded into various structures. Furthermore, since the carbon nanotubes also act as a reinforcing agent, the mechanical properties such as the bending strength of the sheet-shaped heating unit are improved.
  • the prior art sheet-shaped heating unit in which conductive carbon particles are dispersed in a polymer matrix achieves a desired resistance for heating only when a large amount of carbon particles are contained in the heating unit, resulting in the difficulty of molding and the deterioration of mechanical properties.
  • the sheet-shaped heating unit according to the present invention exhibits electrical conductivity comparable to that of the prior art sheet- shaped heating unit by dispersing only a small amount of carbon nanotubes in a matrix under a specific condition, and also does not suffer deterioration of its mechanical properties, while having moldability and pliability owing to the use of a small amount of additives, i.e., carbon nanotubes.
  • Carbon nanotubes used in the sheet-shaped heating unit of the present invention generally have the characteristic properties as described below.
  • the carbon nanotube as seen in FIG. 1, has a diameter of 1 ⁇ 500 nm and a length of several ⁇ m ⁇ hundreds of ⁇ m and thus has a high isotropy in view of configuration. Moreover, the carbon nanotube has a conductivity of -lO ⁇ , which means that the carbon nanotube is a conductor.
  • the carbon nanotube is mechanically rigid (approximately 100 times more rigid than steel) and chemically stable and also has excellent thermal conductivity of 2000 W/mK.
  • the carbon nanotube is hollow and thus has a lower density compared to graphite or carbon fibers as general carbon materials.
  • the carbon nanotube has a large L/R (length/radius) ratio of 100 ⁇ 10,000 and can act as a conductor in series with other carbon nanotubes when a current is fed thereto. Accordingly, even when a small amount of carbon nanotubes is used, the resulting heating unit can exhibit similar electrical conductivity to other heating units containing a large amount of different carbon materials.
  • a multilayered wall carbon nanotube as well as a single- layered wall carbon nanotube can be adapted for the carbon nanotube in the present invention.
  • the addition amount of carbon nanotubes is, as mentioned above, 0.5 ⁇ 50% by weight, preferably 1 ⁇ 30% by weight, more preferably 3 ⁇ 20% by weight on the basis of the total weight of a heating complex, the heating complex comprising carbon nanotubes and a matrix. So long as the electrical connection of carbon nanotubes to one another can be achieved, a smaller amount of carbon nanotubes may be used in order to accomplish the object of the present invention.
  • electrical contact means the condition wherein a carbon nanotube is in physical contact with other carbon nanotubes to conduct electricity therebetween. This term simultaneously means the condition wherein a carbon nanotube is spaced apart from other carbon nanotubes but the distance therebetween is in the range allowing electron tunneling to occur.
  • FIG. 2 there is illustrated an example wherein a plurality of carbon nanotubes 210 are dispersed in an electric insulating matrix 220, while being in electrical contact with one another.
  • a matrix used in the present invention is not particularly limited so long as it is a material which is thermo-conductive and thermo-stable and in which fine carbon nanotubes can be dispersed under a specific condition that the carbon nanotubes are in electrical contact with one another.
  • a material includes, for example, but is not limited to polymer materials meeting the above requirements, and ceramic materials.
  • polymer material examples include, but are not limited to polyethylene (PE), polypropylene (PP), polystyrene (PS), polycarbonate (PC), polymethyl methacrylate (PMMA), polyvinylchloride (PVC), phenol resins, urea resins, melamine resins, polyester resins, epoxy resins, diarylphthalate resins, polyurethane resins, silicone resins, etc.
  • the polyester resins are more preferable in consideration of easy moldablility and include, for example, but are limited to unsaturated polyester resins, alkyd resins, polyethylene terephthalate, and the like.
  • ceramic material examples include, but are not limited to alumina (Al 2 O 3 ), silica (SiO 2 ), zirconia (ZrO 2 ), etc.
  • an insulating material may be laminated to the outer surface of a heating complex comprising carbon nanotubes and a matrix so as to prevent electricity leakage resulting from exposure of the heating complex to the exterior.
  • FIGS. 3 and 4 there are illustrated sheet-shaped heating units in which electrodes are connected to a heating complex in an attachment manner, respectively.
  • a sheet-shaped heating unit 100 is configured such that two electrodes 300 are attached to both lateral surfaces of a planar heating complex 200 and two insulators 400 cover the upper and lower surfaces of the electrodes 300 and heating complex 200.
  • the heating complex 200 is not limited to a planar shape.
  • a sheet-shaped heating unit 101 may be configured such that two electrodes 201 are attached to both lateral surfaces of a heating complex 201 having a square cross-section.
  • FIGS. 5 and 6 there are shown sheet-shaped heating units in which electrodes are connected to a heating complex in the insertion manner or the attachment/insertion manner. More specifically, in the insertion manner, one or more pairs of electrodes are inserted into a planar heating complex. Meanwhile, in the attachment/insertion manner, some portions of electrodes which are attached to both lateral surfaces of a heating complex having a square cross-section are extended to the inside of the heating complex.
  • the sheet-shaped heating unit of the insertion manner or attachment/insertion manner is characterized by a higher heating efficiency than that of the sheet-shaped heating unit of the attachment manner.
  • a heating complex 202 in which the upper and lower surfaces are attached to insulators 402 is configured in the insertion manner, such that a plurality of electrodes 503 pass through the inside of the heating complex 202 but are not attached to the outer surfaces thereof. Therefore, the sheet-shaped heating unit 202 in FIG. 5 can produce a greater amount of radiant heat than the sheet-shaped heating unit 200 in FIG. 3.
  • a sheet-shaped heating unit 103 in FIG. 6 has a structure such that electrodes 301 as seen in FIG. 3 extend, in some portions thereof, to the inside of a heating complex 403 to form extended electrodes 503. These extended electrodes 503 are not in contact with one another and, preferably, are spaced apart from one another at a constant interval to ensure even heat radiation.
  • Electrodes as described above serve to induce the heating of a heating complex when current is applied thereto, and thus are not particularly limited so long as they are of a material having high conductivity.
  • a highly conductive material includes, for example, but is not limited to metal plates such as silver plate, copper plate, aluminum plate, etc. and conductive composite plates of polymer or ceramic material containing a large amount of conductive materials such as metal particles, carbon powders, carbon nanotubes, etc.
  • the sheet-shaped heating unit may include other elements or be configured in other structures.
  • the present invention also provides a method for preparing the aforementioned sheet- shaped heating unit.
  • a method for preparation of the sheet-shaped heating unit comprises the steps of,
  • the matrix is composed of a polymer material
  • a method whereby carbon nanotubes are mixed in liquid-phase monomers and then polymerized with the aid of a catalyst or a method whereby the polymer is dissolved in a solvent to provide a liquid solution and carbon nanotubes are mixed in the solution and then the solvent is removed, but the method is not limited thereto.
  • the matrix is of a ceramic material
  • Methods for mixing carbon nanotubes in a matrix are not particularly limited so long as the carbon nanotubes are dispersed in the matrix with the carbon nanotubes being electrically connected to one another.
  • mixing methods include, but are not limited to a mixing screw method, a shear mixer method, a melt blending method, etc.
  • the carbon nanotubes have a large L/R ratio, that is, a high anisotropy, the electrical connection thereof can be readily achieved when they are evenly dispersed.
  • the amount of carbon nanotubes used can be reduced in order to provide a sheet-shaped heating unit of the present invention.
  • the resistivity of the sheet-shaped heating unit prepared thus is in the range of approximately 1 ⁇ 10 5 ⁇ Cm.
  • FIG. 1 is an electron micrograph of carbon nanotubes useful for the sheet-shaped heating unit of the present invention
  • FIG. 2 is a schematic view of carbon nanotubes dispersed in a matrix, with the carbon nanotubes being electrically in contact with one another, in accordance with the present invention
  • FIGS. 3 and 4 are schematic views of the sheet-shaped heating units according to some embodiments of the present invention, wherein electrodes are connected to heating complexes in the attachment manner, respectively;
  • FIGS. 5 and 6 are schematic views of the sheet-shaped heating unit according to some embodiments of the present invention, wherein electrodes are connected to heating complexes in the attachment/insertion manner, respectively.
  • Carbon nanotubes were prepared by a conventional thermal decomposition method in which ferrocene as a metallic catalyst is dissolved in benzene as a carbon stock and the resulting solution is heated at high temperature of 1000°C in an electric furnace to synthesize carbon nanotubes.
  • a specimen was prepared in the same manner as in EXAMPLE 1 except for using 95 g of the polyester resin and 5 g of the carbon nanotubes and the resistivity of the specimen was measured. The results are described in TABLE 1 below.
  • a specimen was prepared in the same manner as in EXAMPLE 1 except for using 94 g of the polyester resin and 6 g of the carbon nanotubes and the resistivity of the specimen was measured. The results are described in TABLE 1 below.
  • a specimen was prepared in the same manner as in EXAMPLE 1 except for using 93 g of the polyester resin and 7 g of the carbon nanotubes and the resistivity of the specimen was measured. The results are described in TABLE 1 below.
  • a specimen was prepared in the same manner as in EXAMPLE 1 except for using 90 g of the polyester resin and 10 g of the carbon nanotubes and the resistivity of the specimen was measured. The results are described in TABLE 1 below.
  • a specimen was prepared in the same manner as in EXAMPLE 1 except for using 80 g of the polyester resin and 20 g of the carbon nanotubes and the resistivity of the specimen was measured. The results are described in TABLE 1 below.
  • a specimen was prepared in the same manner as in EXAMPLE 1 except for not using carbon nanotubes and the resistivity of the specimen was measured. The results are described in TABLE 1 below.
  • the sheet-shaped heating units prepared in EXAMPLES 1 ⁇ 6 according to the present invention have low resistivity of 1 ⁇ -cm ⁇ 10 6 ⁇ -cm meeting the requirement for a good heating unit, while the sheet-shaped heating unit prepared in the COMPARATIVE EXAMPLE containing no carbon nanotubes was ascertained to have resistivity beyond 200 M ⁇ -cm, the detection limit of the resistance meter, which indicates that the material is practically an insulator.
  • the sheet-shaped heating unit according to the present invention has a high electrical conductivity even when a small amount of carbon nanotubes are contained therein, and can be readily molded in various structures, and has good mechanical properties such as bending strength. Furthermore, the carbon nanotubes have a higher thermal conductivity at 1800 ⁇ 6000 W/mK than that of conventional materials, thus the sheet-shaped heating unit of the present invention containing them exhibits excellent conductive properties without addition of ceramic materials, resulting in the reduction of manufacturing cost thereof.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Resistance Heating (AREA)
  • Surface Heating Bodies (AREA)

Abstract

L'invention concerne une unité de réchauffement plate et mince contenant des nanotubes de carbone anisotrope dont la longueur est située entre plusieurs microns et des centaines de microns selon une quantité de 0,5 à 50 % en poids sur la base de la quantité totale du complexe de réchauffement, ces nanotubes de carbone étant en contact électrique les uns avec les autres dans une matrice isolante. Le complexe de réchauffement est composé des nanotubes de carbone et de la matrice. L'invention concerne également un procédé servant à préparer ce complexe. L'unité de réchauffement plate et mince possède une conductivité électrique élevée, même si elle ne contient qu'une quantité limitée de nanotubes de carbone et peut être moulée en structures différentes, tout en possédant d'excellentes propriétés mécaniques.
PCT/KR2002/001466 2002-08-02 2002-08-02 Unites de rechauffement plates contenant des nanotubes de carbone WO2004023845A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/KR2002/001466 WO2004023845A1 (fr) 2002-08-02 2002-08-02 Unites de rechauffement plates contenant des nanotubes de carbone
AU2002313956A AU2002313956A1 (en) 2002-08-02 2002-08-02 Seat-like heating units using carbon nanotubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2002/001466 WO2004023845A1 (fr) 2002-08-02 2002-08-02 Unites de rechauffement plates contenant des nanotubes de carbone

Publications (1)

Publication Number Publication Date
WO2004023845A1 true WO2004023845A1 (fr) 2004-03-18

Family

ID=31973489

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2002/001466 WO2004023845A1 (fr) 2002-08-02 2002-08-02 Unites de rechauffement plates contenant des nanotubes de carbone

Country Status (2)

Country Link
AU (1) AU2002313956A1 (fr)
WO (1) WO2004023845A1 (fr)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007001132A1 (de) * 2007-01-03 2008-07-10 Recaro Gmbh & Co. Kg Fahrzeugsitz, insbesondere Kraftfahrzeugsitz
EP2043406A3 (fr) * 2007-09-28 2009-10-28 Tsinghua University Source de chaleur plane
WO2010006858A1 (fr) * 2008-07-16 2010-01-21 Siemens Aktiengesellschaft Dispositif de chauffage pour chauffer une surface vitrée, en particulier un verre de sécurité d’une camera extérieure et dispositif électronique et/ou optique avec un verre de sécurité
DE102008059780B3 (de) * 2008-11-27 2010-05-27 Porzellanfabrik Hermsdorf Gmbh Keramischer Widerstandsheizkörper und Verfahren zu seiner Herstellung
WO2010092178A1 (fr) * 2009-02-16 2010-08-19 Mann+Hummel Gmbh Dispositif de chauffage de liquides
WO2010097099A1 (fr) * 2009-02-27 2010-09-02 Siemens Aktiengesellschaft Composant électrique et procédé de fabrication d'un composant électrique
US8410676B2 (en) 2007-09-28 2013-04-02 Beijing Funate Innovation Technology Co., Ltd. Sheet-shaped heat and light source, method for making the same and method for heating object adopting the same
US8450930B2 (en) 2007-10-10 2013-05-28 Tsinghua University Sheet-shaped heat and light source
US20130233476A1 (en) * 2010-08-27 2013-09-12 Alliant Techsystems Inc. Out-of-autoclave and alternative oven curing using a self heating tool
TWI478617B (zh) * 2009-04-30 2015-03-21 Hon Hai Prec Ind Co Ltd 立體熱源之製備方法
TWI501686B (zh) * 2009-04-30 2015-09-21 Hon Hai Prec Ind Co Ltd 立體熱源
TWI501685B (zh) * 2009-04-30 2015-09-21 Hon Hai Prec Ind Co Ltd 立體熱源
TWI501687B (zh) * 2009-04-30 2015-09-21 Hon Hai Prec Ind Co Ltd 立體熱源
US20150303020A1 (en) * 2007-10-10 2015-10-22 Tsinghua University Method for making sheet-shaped heat and light source and method for heating object adopting the same
TWI513357B (zh) * 2009-04-30 2015-12-11 Hon Hai Prec Ind Co Ltd 立體熱源
CN105428516A (zh) * 2015-11-06 2016-03-23 中国空间技术研究院 一种基于二氧化钒的主动型红外伪装结构
EP3107353A4 (fr) * 2014-02-13 2017-02-15 Korea Electronics Technology Institute Composition de pâte de chauffage, élément chauffant de type en surface utilisant celle-ci, et dispositif chauffant de faible puissance portable
EP3244692B1 (fr) * 2016-05-10 2021-06-23 Airbus Operations GmbH Empilement de couche chauffable électriquement

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4980541A (en) * 1988-09-20 1990-12-25 Raychem Corporation Conductive polymer composition
JPH07111184A (ja) * 1993-10-13 1995-04-25 Dairin Shoji:Kk 面状感熱素子、温度センサ、温度コントローラおよび面状ヒータ
JPH07183078A (ja) * 1993-12-24 1995-07-21 Mitsubishi Plastics Ind Ltd 自己温度制御通電発熱体
JP2000058228A (ja) * 1998-08-12 2000-02-25 Suzuki Sogyo Co Ltd 薄膜抵抗発熱体及びそれを用いたトナーの加熱定着用部材
JP2000215967A (ja) * 1999-01-25 2000-08-04 Toto Ltd 面状ヒ―タ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4980541A (en) * 1988-09-20 1990-12-25 Raychem Corporation Conductive polymer composition
JPH07111184A (ja) * 1993-10-13 1995-04-25 Dairin Shoji:Kk 面状感熱素子、温度センサ、温度コントローラおよび面状ヒータ
JPH07183078A (ja) * 1993-12-24 1995-07-21 Mitsubishi Plastics Ind Ltd 自己温度制御通電発熱体
JP2000058228A (ja) * 1998-08-12 2000-02-25 Suzuki Sogyo Co Ltd 薄膜抵抗発熱体及びそれを用いたトナーの加熱定着用部材
JP2000215967A (ja) * 1999-01-25 2000-08-04 Toto Ltd 面状ヒ―タ

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007001132A1 (de) * 2007-01-03 2008-07-10 Recaro Gmbh & Co. Kg Fahrzeugsitz, insbesondere Kraftfahrzeugsitz
US8410676B2 (en) 2007-09-28 2013-04-02 Beijing Funate Innovation Technology Co., Ltd. Sheet-shaped heat and light source, method for making the same and method for heating object adopting the same
EP2043406A3 (fr) * 2007-09-28 2009-10-28 Tsinghua University Source de chaleur plane
US20150303020A1 (en) * 2007-10-10 2015-10-22 Tsinghua University Method for making sheet-shaped heat and light source and method for heating object adopting the same
US8450930B2 (en) 2007-10-10 2013-05-28 Tsinghua University Sheet-shaped heat and light source
US20130220990A1 (en) * 2007-10-10 2013-08-29 Hon Hai Precision Industry Co., Ltd. Method for making sheet-shaped heat and light source and method for heating object using the same
US8808049B2 (en) * 2007-10-10 2014-08-19 Tsinghua University Method for making sheet-shaped heat and light source
WO2010006858A1 (fr) * 2008-07-16 2010-01-21 Siemens Aktiengesellschaft Dispositif de chauffage pour chauffer une surface vitrée, en particulier un verre de sécurité d’une camera extérieure et dispositif électronique et/ou optique avec un verre de sécurité
DE102008059780B3 (de) * 2008-11-27 2010-05-27 Porzellanfabrik Hermsdorf Gmbh Keramischer Widerstandsheizkörper und Verfahren zu seiner Herstellung
WO2010092178A1 (fr) * 2009-02-16 2010-08-19 Mann+Hummel Gmbh Dispositif de chauffage de liquides
WO2010097099A1 (fr) * 2009-02-27 2010-09-02 Siemens Aktiengesellschaft Composant électrique et procédé de fabrication d'un composant électrique
TWI501686B (zh) * 2009-04-30 2015-09-21 Hon Hai Prec Ind Co Ltd 立體熱源
TWI478617B (zh) * 2009-04-30 2015-03-21 Hon Hai Prec Ind Co Ltd 立體熱源之製備方法
TWI501685B (zh) * 2009-04-30 2015-09-21 Hon Hai Prec Ind Co Ltd 立體熱源
TWI501687B (zh) * 2009-04-30 2015-09-21 Hon Hai Prec Ind Co Ltd 立體熱源
TWI513357B (zh) * 2009-04-30 2015-12-11 Hon Hai Prec Ind Co Ltd 立體熱源
US20130233476A1 (en) * 2010-08-27 2013-09-12 Alliant Techsystems Inc. Out-of-autoclave and alternative oven curing using a self heating tool
EP3107353A4 (fr) * 2014-02-13 2017-02-15 Korea Electronics Technology Institute Composition de pâte de chauffage, élément chauffant de type en surface utilisant celle-ci, et dispositif chauffant de faible puissance portable
US10536993B2 (en) 2014-02-13 2020-01-14 Korea Electronics Technology Institute Heating paste composition, surface type heating element using the same, and portable low-power heater
CN105428516A (zh) * 2015-11-06 2016-03-23 中国空间技术研究院 一种基于二氧化钒的主动型红外伪装结构
EP3244692B1 (fr) * 2016-05-10 2021-06-23 Airbus Operations GmbH Empilement de couche chauffable électriquement
US11122649B2 (en) 2016-05-10 2021-09-14 Airbus Operations Gmbh Electrically heatable layer stack

Also Published As

Publication number Publication date
AU2002313956A1 (en) 2004-03-29

Similar Documents

Publication Publication Date Title
WO2004023845A1 (fr) Unites de rechauffement plates contenant des nanotubes de carbone
Al-Saleh Electrical and electromagnetic interference shielding characteristics of GNP/UHMWPE composites
Cho et al. Insulating polymer nanocomposites with high-thermal-conduction routes via linear densely packed boron nitride nanosheets
Ramasubramaniam et al. Homogeneous carbon nanotube/polymer composites for electrical applications
Eletskii et al. Electrical characteristics of carbon nanotube-doped composites
CN101138896B (zh) 碳纳米管/聚合物复合材料
Joseph et al. Graphite reinforced polyvinylidene fluoride composites an efficient and sustainable solution for electromagnetic pollution
WO2004082333A1 (fr) Unites de rechauffement plates a electrode plate poreuse
JP5185582B2 (ja) 熱伝導性シート
Wang et al. Preparation and property investigation of multi-walled carbon nanotube (MWCNT)/epoxy composite films as high-performance electric heating (resistive heating) element.
EP1409574A1 (fr) Dielectriques nanocomposites
Yin et al. Fabrication of graphene network in alumina ceramics with adjustable negative permittivity by spark plasma sintering
Macutkevic et al. Electrical transport in carbon black-epoxy resin composites at different temperatures
JPH01185380A (ja) 異方導電性接着剤
CN108305704A (zh) 一种石墨烯基高导电碳浆及其制备方法
Xia et al. A low-cost and high-efficiency electrothermal composite film composed of hybrid conductivity fillers and polymer blends matrix for high-performance plate heater
Chung et al. Electric poling of carbon fiber with and without nickel coating
KR100642622B1 (ko) 탄소나노튜브를 이용한 면상발열체 및 그 제조방법
Yang et al. Realization of 3D epoxy resin/Ti3C2T x MXene aerogel composites for low-voltage electrothermal heating
Zhang et al. Low effective content of reduced graphene oxide/silver nanowire hybrids in epoxy composites with enhanced conductive properties
Wu et al. Interlayer decoration of expanded graphite by polyimide resins for preparing highly thermally conductive composites with superior electromagnetic shielding performance
Kwon et al. Thermally conducting yet electrically insulating epoxy nanocomposites containing aluminum@ electrochemically exfoliated graphene hybrid
Tong et al. Influence of coupling agent on the microstructure and dielectric properties of free-standing ceramic-polymer composites
Zhang et al. High dielectric performance composites with a hybrid BaTiO3/graphene as filler and poly (vinylidene fluoride) as matrix
Bhadra Low percolation threshold and enhanced electrical and dielectric properties of graphite powder/poly (vinyl alcohol) composites

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SD SE SG SI SK SL TJ TM TN TR TT TZ UA UG US UZ VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LU MC NL PT SE SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 1020057001739

Country of ref document: KR

122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: JP

WWW Wipo information: withdrawn in national office

Country of ref document: JP