WO2015041439A1 - Câble coaxial comprenant une couche de revêtement en graphène et son procédé de production - Google Patents

Câble coaxial comprenant une couche de revêtement en graphène et son procédé de production Download PDF

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Publication number
WO2015041439A1
WO2015041439A1 PCT/KR2014/008601 KR2014008601W WO2015041439A1 WO 2015041439 A1 WO2015041439 A1 WO 2015041439A1 KR 2014008601 W KR2014008601 W KR 2014008601W WO 2015041439 A1 WO2015041439 A1 WO 2015041439A1
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WIPO (PCT)
Prior art keywords
graphene
coaxial cable
metal wire
metal
composite plating
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PCT/KR2014/008601
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English (en)
Korean (ko)
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양우석
김형근
유세현
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전자부품연구원
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Publication of WO2015041439A1 publication Critical patent/WO2015041439A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
    • H01B11/1808—Construction of the conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/026—Alloys based on copper
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/04—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of carbon-silicon compounds, carbon or silicon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/016—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing co-axial cables
    • H01B13/0165—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing co-axial cables of the layers outside the outer conductor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites

Definitions

  • the present invention relates to a coaxial cable and a manufacturing method, and more particularly to a coaxial cable and a manufacturing method comprising a graphene coating layer.
  • Coaxial cable is used in a wide variety of fields such as power, communication, control, equipment, transport, etc.
  • the demand is increasing due to the replacement of aging power grid and the construction of inter-national power grid.
  • Such a coaxial cable has excellent electrical conductivity because it usually uses a metal (copper, aluminum, etc.) as a material of the conductor, but sometimes it is difficult to exhibit sufficient ability as a conductive material for reasons such as strength drop, corrosion effect, and resistance increase. Therefore, in order to preserve or improve the electrical and thermal characteristics of coaxial cables, attempts have been made to develop new conductive materials or to provide functionality through surface treatment of existing conductive materials.
  • Graphene which is emerging as a new material, can deliver about 100 times more current per unit area than copper at room temperature, and its thermal conductivity is more than twice that of diamond, and its mechanical strength is more than 200 times stronger than steel.
  • the flexibility is excellent because it has the advantage that the conductivity does not decrease even if stretched or folded.
  • Embodiments of the present invention are to provide a coaxial cable and a manufacturing method excellent in electrical conductivity, thermal conductivity, mechanical strength, chemical resistance, corrosion resistance.
  • a metal wire located in the core; A composite plating layer having a form in which a same type or different type of metal wire, a different type of metal, and first graphene are mixed and plated on the surface of the metal wire; And a graphene coating layer on which the second graphene is coated on the surface of the composite plating layer.
  • the metal wire is electrolytically passed through an electrolyte in which homogeneous or dissimilar metals with the metal wire and graphite nanoflakes, graphene oxide, reduced graphene oxide or graphene nanoplatelets are dispersed.
  • a coaxial cable manufacturing method comprising a second step of forming a coating coating a second graphene on the surface of the composite plating layer may be provided.
  • Embodiments of the present invention to form a composite plating layer of a mixture of metal and graphene on the metal wire corresponding to the core of the coaxial cable, and to form a graphene layer on the composite plating layer to form a metal and graphene on the coaxial cable Functionality can be improved to improve electrical, thermal and mechanical properties.
  • low temperature processes such as microwave irradiation and IPL irradiation and various kinds of CVD methods may be used.
  • FIG. 1 is a view schematically showing a coaxial cable according to an embodiment of the present invention.
  • FIG. 2 is a view schematically showing a coaxial cable manufacturing method according to an embodiment of the present invention.
  • FIG. 1 is a view schematically showing a coaxial cable 100 according to an embodiment of the present invention.
  • the coaxial cable 100 is formed of a composite plating layer 120 formed to surround a metal wire 110 and a metal wire 110 positioned in a core, and a composite plating layer 120. It includes a graphene coating layer 130. In addition, an insulating envelope 140 may be formed on the surface of the graphene coating layer 130.
  • the metal wire 110 may be copper, iron, nickel, aluminum, gold, silver, platinum, or a combination thereof, and copper wire is commonly used.
  • the composite plating layer 120 is formed to surround the surface of the metal wire 110 and has a form in which the metal 121 and the first graphene 122 are mixed. That is, one material is not plated on the surface of the metal wire 110, but the metal 121 is partially plated and the first graphene 122 is plated on the other.
  • the metal 121 may be the same or different metals from the metal constituting the metal wire 110.
  • the metal wire 110 may be provided with a function according to another metal.
  • the metal 121 may be a metal such as aluminum, nickel, gold, silver, palladium, chromium, and the like, which is different from the copper wire, and may be coaxial with these metals. The effect of improving the electrical and thermal conductivity of the cable can be increased or the chemical / corrosion resistance can be improved.
  • the first graphene 122 is plated and formed on the surface of the metal wire 110 together with the metal 121.
  • Graphene (grapheme) is a plurality of carbon atoms are covalently linked to each other to form a polycyclic aromatic molecule, it is common to form a six-membered ring as a basic repeating unit.
  • the first graphene 122 was referred to as “first graphene 122" to distinguish the graphene forming the graphene coating layer 130 to be described later, and the graphene forming the graphene coating layer 130.
  • second graphene the graphene forming the graphene coating layer 130.
  • the method for forming the first graphene 122 and the graphene coating layer 130 will be described in the manufacturing method according to an embodiment of the present invention.
  • the graphene coating layer 130 is formed by coating the second graphene on the surface of the composite plating layer 120.
  • the graphene may be formed of a plurality of layers, for example, 10 to 1000 layers.
  • the insulating envelope 140 is coated on the surface of the graphene coating layer 130, and may be selected from the group consisting of enamel, photoresist resin, polyolefin, phenol resin, PMMA, PET, PVA, PI, and a combination thereof. It is not limited to this.
  • the embodiments of the present invention are the same or different types of metals 121 and the first graphene 122 and the graphene coating layer included in the metal wire 110 and the metal wire 110 included in the composite plating layer 120.
  • a coaxial cable excellent in electrical conductivity, thermal conductivity, mechanical strength, chemical resistance, and corrosion resistance can be provided.
  • the composite plating layer 120 having a form in which the metal 121 and the first graphene 122 are mixed by electroplating on the surface of the metal wire 110. And a second step of coating a second graphene on the surface of the composite plating layer 120.
  • FIG. 2 schematically illustrates a coaxial cable manufacturing method according to an embodiment of the present invention.
  • the metal wire 110 is passed through the plating bath 10 containing the electrolyte solution 11 to the surface of the metal wire 110, and the same or different metal 121 as the metal wire 110 and graphite.
  • a roll-to-roll process may be used, and a plurality of winders 1 and a drum 2 may be arranged.
  • the metal wire 110 may be dipped into the plating bath 10 while being moved by the winder 1 and the drums 2 (see FIG. 2).
  • the electrolyte (11, alcohol solution of perchloric acid, sulfuric acid, hydrochloric acid, nitric acid, phosphoric acid, oxalic acid aqueous solution, etc. can be used) metal 121 to be plated on the surface of the metal wire 110, graphite nano flakes (122a), graphene oxide, Reduced graphene oxide or graphene nanoplatelets are dispersed.
  • graphite nano flakes 122a when the graphite nano flakes 122a are dispersed, the first graphene 122 may be synthesized by performing a separate heat treatment, and graphene oxide, reduced graphene oxide, and graphene nanoplatelets may be synthesized.
  • the graphene nanoplatelets When dispersed, the graphene nanoplatelets are plated on the surface of the metal wire 110 to function as the first graphene 122.
  • the former case that is, the case where the graphite nano flakes 122a are dispersed will be described.
  • Electroplating is a process for performing plating by electrolysis of the electrolyte when a current is applied between the cathode and the anode immersed in the electrolyte
  • electrolytic plating is a general plating process, a detailed description thereof will be omitted. That is, the electroplating is performed while the metal wire 110 passes through the electrolyte solution 11 (for example, the anode is attached to the bottom of the plating bath, and the drum 2 can function as the cathode), and as a result, the metal wire 110
  • the metal 121 and the graphite nano flakes 122a are complex plated on the surface thereof.
  • the first graphene 122 is formed (synthesized) by heat-treating the plated graphite nano flakes 122a.
  • microwave irradiation and / or IPL (Intensed Pulse Light) irradiation may be used.
  • various other heat sources may be used. The reason for describing 'and / or' herein is that only microwave irradiation, only IPL irradiation, or both can be performed with the heat source.
  • Microwave irradiation corresponds to the electromagnetic radiation generated between Klystron and Magnetron with electromagnetic wave having a wavelength between radio wave and infrared ray.
  • the microwave heating method selectively vibrates only the material that absorbs frequency. Has the advantage of heating the material in such a way as to. Therefore, when the composite plating layer 120 is formed, only the graphite nano flakes 122a may be selectively heated.
  • IPL irradiation refers to a white short wavelength heat source using a flash lamp or xenon lamp to generate light in a wide band of 350nm to 1200nm.
  • the IPL irradiation has the advantage of rapidly changing the pulse and heating the graphite nano flakes 122a.
  • the first graphene 122 is formed by heat-treating the metal wire 110 formed by plating the metal 121 and the graphite nano flakes 122a on a surface thereof through a heat treatment equipment (20, microwave irradiation equipment, IPL irradiation equipment, etc.). ) May be formed, thereby completing the composite plating layer 120.
  • a heat treatment equipment (20, microwave irradiation equipment, IPL irradiation equipment, etc.).
  • an ionic liquid may be additionally added to the electrolyte solution 11 in order to lower the reaction temperature in the heat treatment process.
  • the ionic liquid refers to a material having physical properties in a liquid state even though it is composed of a combination of ions at room temperature.
  • the ionic liquid may include the following [Formula 1].
  • [Formula 1] is an imidazolium ionic liquid
  • R 1 and R 2 are the same or different, represent hydrogen or a hydrocarbon group of 1 to 16 carbon atoms, it may also contain a heteroatom .
  • X ⁇ represents an anion of an ionic liquid.
  • the cation of [Formula 1] is 1,3-dimethylimidazolium, 1,3-diethylimidazolium, 1-ethyl-3-methylimidazolium, 1-butyl-3-methylimidazolium, 1-hexyl-3-methylimidazolium, 1-octyl-3-methylimidazolium, 1-decyl-3-methylimidazolium, 1-dodecyl-3-methylimidazolium and 1-tetradecyl- It may include at least one selected from the group consisting of 3-methylimidazolium.
  • the anion of [Formula 1] may be an organic anion or an inorganic anion.
  • the anion is Br -, Cl -, I - , BF 4 -, PF 6 -, ClO 4 -, NO 3 -, AlCl 4 -, Al 2 Cl 7 -, AsF 6 -, SbF 6 -, CH 3 COO - , CF 3 COO -, CH 3 SO 3 -, C 2 H 5 SO 3 -, CH 3 SO 4 -, C 2 H 5 SO 4 -, CF 3 SO 3 -, (CF 3 SO 2) 2 N -, (CF 3 SO 2) 3 C -, (CF 3 CF 2 SO 2) 2 N -, C 4 F 9 SO 3 -, C 3 F 7 COO - , and (CF 3 SO 2) (CF 3 CO) N - It may include at least one selected from the group consisting of.
  • the ionic liquid may include the following [Formula 2].
  • [Formula 2] may be included as in [Formula 1] or optionally included.
  • [Formula 2] is a pyridinium-based ionic liquid
  • R 3 and R 4 are the same or different, represent hydrogen or a hydrocarbon group of 1 to 16 carbon atoms, it may also contain a heteroatom.
  • X ⁇ represents an anion of an ionic liquid.
  • the cation of [Formula 2] is 1-methylpyridinium, 1-ethylpyridinium, 1-butylpyridinium, 1-ethyl-3-methylpyridinium, 1-butyl-3-methylpyridinium, 1-hexyl- It may include at least one selected from the group consisting of 3-methylpyridinium and 1-butyl-3,4-dimethylpyridinium.
  • the anion of [Formula 2] may be an organic anion or an inorganic anion. Since the anion may be the same as or similar to the anion of [Formula 1], duplicate description will be omitted (step 1 above).
  • the graphene coating layer 130 (see FIG. 1) is formed by coating a second graphene on the surface of the composite plating layer 120.
  • the method of coating the second graphene is not specified and it is possible to use known methods.
  • CVD Chemical Vapor Deposition
  • RTCVD high-speed chemical vapor deposition
  • ICP-CVD inductively coupled plasma chemical vapor deposition
  • LPCVD low pressure Chemical Vapor Deposition
  • APCVD Atmospheric Chemical Vapor Deposition
  • MOCVD Metal Organic Chemical Vapor Deposition
  • PECVD Chemical Vapor Deposition
  • Current Direct Heating on the Catalyst Surface Current feeding CVD
  • Roll-to-Roll Roll-to-Roll chemical vapor deposition
  • the metal wire 110 having the composite plating layer 120 formed is placed in a furnace, and a reaction gas including a carbon source (methane, ethane, etc.) is supplied and heat treated at atmospheric pressure to thereby surface the composite plating layer 120.
  • a reaction gas including a carbon source methane, ethane, etc.
  • the first graphene present in the composite plating layer 120 may serve to supply a carbon source for synthesizing the second graphene.
  • the second graphene may be synthesized through at least one heat source of the microwave irradiation and the IPL irradiation.
  • a second graphene is formed by coating a polymer layer 131 including a carbon solid source on the surface of the composite plating layer 120 and heating the polymer layer 131 through at least one heat source of microwave irradiation and IPL irradiation.
  • FIG. 2 illustrates a state in which the polymer layer 131 is formed on the surface by moving the metal wire 110 having the composite plating layer 120 formed in a roll-to-roll manner and dipping the reaction vessel 30.
  • the polymer layer 131 may be formed using a conventional coating method such as spin coating and spray coating in addition to dipping.
  • the polymer layer 131 serves as a seed layer for graphene synthesis.
  • the carbon solid source included in the polymer layer 131 receives a high temperature, a part of the chemical structure of the polymer is decomposed and chemical bonds are recombined. It is arranged and the ring of the CC bond proceeds to play a role in synthesizing graphene.
  • the carbon solid source may be methane, ethane, and the like, and the polymer layer 131 may include polymethacrylate (PMMA), polystyrene (PS), acrylonitrile butadiene styrene (ABS), polyimide (PI), or Self-assembled monolayer (SAM) such as butyltriethoxysilane, trichlorooctylsilane, trichlorooctatesilane, and trimethoxyphenylsilane.
  • PMMA polymethacrylate
  • PS polystyrene
  • ABS acrylonitrile butadiene styrene
  • PI polyimide
  • SAM Self-assembled monolayer
  • the second graphene may be synthesized through microwave irradiation and / or IPL irradiation in the same manner as the synthesis of the first graphene, and the description thereof will be omitted. (More than 2 steps).
  • the method may further include forming an insulating envelope layer to surround the second graphene.
  • the insulating outer layer protects the composite plating layer 120 and the second graphene to maintain the function of the coaxial cable (3 steps above).
  • embodiments of the present invention to form a composite plating layer of a mixture of metal and graphene in a metal wire corresponding to the core of the coaxial cable, and to form a graphene layer on the composite plating layer to form a metal on the coaxial cable And imparting functionality according to graphene formation to improve electrical, thermal, and mechanical properties.
  • low temperature processes such as microwave irradiation and IPL irradiation and various kinds of CVD methods may be used.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Composite Materials (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Non-Insulated Conductors (AREA)
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Abstract

La présente invention concerne un câble coaxial comprenant une couche de revêtement en graphène et son procédé de production. Le câble coaxial selon un mode de réalisation de la présente invention comprend : un fil métallique situé dans une âme ; une couche de placage composite ayant un mélange d'un métal homogène ou d'un métal hétérogène du fil métallique et un premier graphène, et plaquée sur la surface du fil métallique ; et une couche de revêtement en graphène ayant un second graphène appliqué sur la surface de la couche de placage composite.
PCT/KR2014/008601 2013-09-23 2014-09-16 Câble coaxial comprenant une couche de revêtement en graphène et son procédé de production WO2015041439A1 (fr)

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KR10-2013-0112375 2013-09-23
KR20130112375A KR101503283B1 (ko) 2013-09-23 2013-09-23 그래핀 코팅층을 포함하는 동축 케이블 및 제조방법

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3104369A1 (fr) * 2015-06-09 2016-12-14 Korea Institute of Science and Technology Structure de fil électrique composite et son procédé de fabrication
IT201700020695A1 (it) * 2017-03-14 2018-09-14 Vincenzo Tagliaferri Nuovi cavi elettrici o di trasmissione dati dotati di elevata conducibilità elettrica e/o di elevata velocità di trasmissione dati.
US10714231B2 (en) 2016-07-26 2020-07-14 Haesung Ds Co., Ltd. Graphene wire, cable employing the same, and method of manufacturing the same
WO2021066761A1 (fr) * 2019-10-03 2021-04-08 Sakar Murat Fil de cuivre à conductivité accrue obtenu par procédé de stockage électrophorétique utilisant une conductivité de graphène et son procédé de production
IT202000012319A1 (it) 2020-05-26 2021-11-26 Domenico Barbieri Fili, trefoli, corde rigide e corde flessibili ad elevate prestazioni elettriche, fisico-chimiche ed ambientali ai fini della conduzione elettrica, ed un metodo per la loro preparazione.

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170028036A (ko) * 2015-09-03 2017-03-13 전자부품연구원 그래핀 복합 금속와이어 및 그의 제조방법
KR20180014554A (ko) * 2016-08-01 2018-02-09 해성디에스 주식회사 그래핀 와이어 및 그 제조방법
KR102670621B1 (ko) 2022-08-24 2024-05-29 재단법인 한국탄소산업진흥원 GnP/탄소섬유/TPU 복합 전자파 차폐 필름 및 이를 제조하는 방법

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KR100748228B1 (ko) * 2006-02-28 2007-08-09 한국과학기술원 전기도금을 이용한 금속/탄소나노튜브 복합재료 제조방법
KR20120137844A (ko) * 2011-06-13 2012-12-24 엘에스전선 주식회사 그라핀 코팅층을 포함하는 절연 전선
KR20130058389A (ko) * 2011-11-25 2013-06-04 전자부품연구원 그래핀 표면을 갖는 금속선의 제조방법

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KR100748228B1 (ko) * 2006-02-28 2007-08-09 한국과학기술원 전기도금을 이용한 금속/탄소나노튜브 복합재료 제조방법
KR20120137844A (ko) * 2011-06-13 2012-12-24 엘에스전선 주식회사 그라핀 코팅층을 포함하는 절연 전선
KR20130058389A (ko) * 2011-11-25 2013-06-04 전자부품연구원 그래핀 표면을 갖는 금속선의 제조방법

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3104369A1 (fr) * 2015-06-09 2016-12-14 Korea Institute of Science and Technology Structure de fil électrique composite et son procédé de fabrication
US9905331B2 (en) 2015-06-09 2018-02-27 Korea Institute Of Science And Technology Composite electric wire structure and method for manufacturing the same
US10714231B2 (en) 2016-07-26 2020-07-14 Haesung Ds Co., Ltd. Graphene wire, cable employing the same, and method of manufacturing the same
IT201700020695A1 (it) * 2017-03-14 2018-09-14 Vincenzo Tagliaferri Nuovi cavi elettrici o di trasmissione dati dotati di elevata conducibilità elettrica e/o di elevata velocità di trasmissione dati.
WO2018167041A1 (fr) 2017-03-14 2018-09-20 Vincenzo Tagliaferri Câbles électriques ou de transmission de données à conductivité électrique élevée et/ou à vitesse de transmission de données élevée
WO2021066761A1 (fr) * 2019-10-03 2021-04-08 Sakar Murat Fil de cuivre à conductivité accrue obtenu par procédé de stockage électrophorétique utilisant une conductivité de graphène et son procédé de production
IT202000012319A1 (it) 2020-05-26 2021-11-26 Domenico Barbieri Fili, trefoli, corde rigide e corde flessibili ad elevate prestazioni elettriche, fisico-chimiche ed ambientali ai fini della conduzione elettrica, ed un metodo per la loro preparazione.
WO2021239658A1 (fr) 2020-05-26 2021-12-02 Barbieri Domenico Fils, torons et cordes rigides et flexibles à hautes performances électriques, physico-chimiques et environnementales

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