WO2013127444A1 - Câble électrique renforcé de nanotubes de carbone - Google Patents

Câble électrique renforcé de nanotubes de carbone Download PDF

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Publication number
WO2013127444A1
WO2013127444A1 PCT/EP2012/053385 EP2012053385W WO2013127444A1 WO 2013127444 A1 WO2013127444 A1 WO 2013127444A1 EP 2012053385 W EP2012053385 W EP 2012053385W WO 2013127444 A1 WO2013127444 A1 WO 2013127444A1
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Prior art keywords
rod
cnts
cnt
metal
rolling
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Ceased
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PCT/EP2012/053385
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English (en)
Inventor
Horst Adams
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ADAMCO AG
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ADAMCO AG
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Priority to PCT/EP2012/053385 priority Critical patent/WO2013127444A1/fr
Publication of WO2013127444A1 publication Critical patent/WO2013127444A1/fr
Anticipated expiration legal-status Critical
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • 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
    • 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

  • CNTs carbon nanotubes
  • MMCs metal matrix compounds
  • Carbon nanotube reinforced metal matrix (MM-CNT) composites are prepared through a variety of processing techniques. Powder metallurgy is the most popular and widely applied technique for preparing MM-CNT composites. Electrodeposition is the second most important technique for deposition of thin coatings of MM-CNT composites as well as for deposition of metals on to CNTs. For low-melting-point metals such as Mg and bulk metallic glasses, melting and solidification is a viable route.
  • Interfacial phenomena and chemical stability of the CNTs in the metal matrix are critical for several reasons.
  • the fiber-matrix stress transfer and the interfacial strength play an important role in strengthening.
  • the applied stress is transferred to the high strength fiber through the interfacial layer, so that a strong interface would make the composite very strong but at the expense of ductility of the composite.
  • a weak interface would lead to lower strength and inefficient utilization of fiber properties by facilitating pullout phenomena at low loads due to interface failure.
  • Wetting of the fiber by the liquid metal is essential. Non-wetting will lead to poor interfacial bonding. Interfacial reactions leading to formation of an interfacial phase can improve wetting if the liquid has a lower contact angle with the phase forming due to the reaction.
  • Al 4 C 3 aluminium carbide
  • CNT-reinforced composites Uniform dispersion of CNTs has been the main challenge in CNT-reinforced composites be they polymer, ceramic or metal matrix. This is due to the fact that CNTs have tremendous surface area of up to 200 m 2 /g, which leads to formation of clusters due to van der Waals forces.
  • the elastic modulus, strength and thermal properties of a composite are related to the volume fraction of the reinforcement added. Hence, a homogeneous distribution of reinforcement is essential as it translates into homogeneous properties of the composite. Clustering leads to concentration of reinforcement at certain points and this leads to worsening of overall mechanical properties.
  • CNTs might also be used as enhancement of the electrical properties of metals.
  • aluminum / CNT composites prepared by powder metallurgy display an increased electrical resistivity by more than 50%.
  • a study by Yang et al. (Y. L. Yang, Y. D. Wang, Y. Ren, C. S. He, J. N. Deng, J. Nan, J. G. Chen and L. Zuo: Mater. Lett., 2008, 62, 47-50) showed at up to 10 wt-% SWCNT addition, that the electrical resistivity of Cu-CNT composites remains same as that of pure Cu.
  • Feng et al. Y. Feng, H. L. Yuan and M.
  • CN101948988 discloses a method for manufacturing a CNT (carbon nanotube) composite transmission conductor by performing the following steps:
  • MWCNTs multiwalled carbon nanotubes
  • JP2007157372 discloses a method wherein a copper or aluminum wire is coated with a plating liquid which is made by mixing CNTs in a molten salt made by mixing and melting 20 to 80 mol% aluminumhalide, 80 to 20 mol% 1, 3-dialkylimidazolium halide (provided that the carbonnumber of an alkyl group is 1 to 12), and monoalkylpyridinium halide (provided that the carbonnumber of an alkyl group is 1 to 12).
  • JP2009287112 discloses a method wherein an iron, copper, or aluminum wire is coated with CNTs by using gold as the CNT carrier and interface material.
  • KR100827951 (B1) discloses a method for growing CNTs directly on the surface of a nickel foil. However. the catalyst particles sitting on the nickel surface, and where the CNTs start growing on, act as a current limiting layer between the CNT and the nickel substrate.
  • WO 2008/105809 A2 discloses a method for carbon nanotube growth on a metallic substrate using vapor phase catalyst delivery. This eliminates the current limiting catalyst layer between the substrate and the CNT.
  • the present invention uses a metal foil with a directly grown-on CNT carpet, which has been grown on the foil for instance by using the method disclosed in WO 2008/105809 A2.
  • the foil is then rolled so that a tube or rod is created with a circular structure of alternating metal and CNT layers ( Figure 1).
  • the circular structure is then compacted in a metal rolling press, creating a flat metal sheet wherein the CNT layers are directly interconnected.
  • the resulting sheet is then rolled-up again to form a new tube or rod similar to that depicted in Figure 1 but with much thinner layers.
  • the compacting and rolling processes can be repeated several times leading to a multitude of thin CNT layers in an aluminum tube or rod which are all interconnected.
  • the resulting layered sheet is rolled to form a rod which is then drawn to shape in a wire draw machine to form an electrical wire with the desired diameter. Since all CNTs in the rod are connected on one side directly with the metal substrate where they were grown on, the electrical resistance between the metal and the CNTs is very low and the layered structure provides for high current density capacity.
  • the metal foil with the grown-on CNTs can also be wrapped around a metal- or non metallic composite material core where the core provides for the mechanical strength of the cable ( Figure 2).
  • the metal foil with the grown-on CNTs can be folded in a mold in a random way to form a structure similar to a labyrinth ( Figure 3) which is then compacted in a linear press to form a solid composite body. This body is then rolled in a rolling press to form a sheet wich can be further processed as described above.
  • the electrical resistance between the CNTs and the metal substrate is extremely low. Since the CNT carpet is compressed during the press rolling processing, the CNTs entangle and form a dense and highly conductive CNT network between the metal layers. Because of the high current density capacity of the CNTs the resulting composite cable has a higher current density capacity than the pure metal alloy. Because of the low specific weight of the CNTs the composite cable has a lower weight than a cable made from the pure substrate metal alloy with the same diameter.
  • Figure 1 shows a sheet metal substrate (dark layer) with a directly grown-on CNT carpet (grey layer), which is rolled to form a layered tube.
  • Figure 2 shows a sheet metal substrate with grown-on CNTs wrapped around a tubular core.
  • Figure 3 shows a sheet metal substrate with grown-on CNTs folded in a random way.
  • the cables made according to the methods disclosed in the present invention are used for high power, low loss and low weight cable applications with high current density capacity.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
PCT/EP2012/053385 2012-02-29 2012-02-29 Câble électrique renforcé de nanotubes de carbone Ceased WO2013127444A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2012/053385 WO2013127444A1 (fr) 2012-02-29 2012-02-29 Câble électrique renforcé de nanotubes de carbone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2012/053385 WO2013127444A1 (fr) 2012-02-29 2012-02-29 Câble électrique renforcé de nanotubes de carbone

Publications (1)

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WO2013127444A1 true WO2013127444A1 (fr) 2013-09-06

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130105195A1 (en) * 2011-04-19 2013-05-02 Commscope Inc. Carbon Nanotube Enhanced Conductors for Communications Cables and Related Communications Cables and Methods
EP2814040A1 (fr) * 2013-06-11 2014-12-17 Hamilton Sundstrand Corporation Structure en composite électriquement conductrice
US8992681B2 (en) 2011-11-01 2015-03-31 King Abdulaziz City For Science And Technology Composition for construction materials manufacturing and the method of its production
US9085678B2 (en) 2010-01-08 2015-07-21 King Abdulaziz City For Science And Technology Clean flame retardant compositions with carbon nano tube for enhancing mechanical properties for insulation of wire and cable
WO2015139736A1 (fr) * 2014-03-18 2015-09-24 Abb Technology Ltd Procédé de fabrication d'un câble de grande puissance
CN108053946A (zh) * 2017-11-30 2018-05-18 南京工业大学 一种可拉伸、低电阻变化的导电纤维的制备方法
GB2578717A (en) * 2018-09-20 2020-05-27 Chord Electronics Ltd Conductive element
US12230419B1 (en) 2021-07-09 2025-02-18 Hrl Laboratories, Llc Carbon nanotube ultraconductor

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050238810A1 (en) * 2004-04-26 2005-10-27 Mainstream Engineering Corp. Nanotube/metal substrate composites and methods for producing such composites
JP2007157372A (ja) 2005-12-01 2007-06-21 Nissan Motor Co Ltd 軽量高導電率電線及びその製造方法
KR100827951B1 (ko) 2006-12-07 2008-05-08 한국에너지기술연구원 니켈 포일에 직접 탄소나노튜브를 합성하는 방법
WO2008105809A2 (fr) 2006-08-25 2008-09-04 Rensselaer Polytechnic Institute Croissance de nanotubes de carbone sur un substrat métallique utilisant un apport de catalyseur en phase vapeur
JP2009287112A (ja) 2008-05-30 2009-12-10 Taisei Kaken:Kk 金属の表面にカーボンナノチューブまたはカーボン材の被覆を作る方法
CN101948988A (zh) 2010-10-28 2011-01-19 江西省电力科学研究院 一种碳纳米管复合输电导线的制造方法
US20120045644A1 (en) * 2010-08-23 2012-02-23 Hon Hai Precision Industry Co., Ltd. Carbon nanotube wire composite structure and method for making the same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050238810A1 (en) * 2004-04-26 2005-10-27 Mainstream Engineering Corp. Nanotube/metal substrate composites and methods for producing such composites
JP2007157372A (ja) 2005-12-01 2007-06-21 Nissan Motor Co Ltd 軽量高導電率電線及びその製造方法
WO2008105809A2 (fr) 2006-08-25 2008-09-04 Rensselaer Polytechnic Institute Croissance de nanotubes de carbone sur un substrat métallique utilisant un apport de catalyseur en phase vapeur
KR100827951B1 (ko) 2006-12-07 2008-05-08 한국에너지기술연구원 니켈 포일에 직접 탄소나노튜브를 합성하는 방법
JP2009287112A (ja) 2008-05-30 2009-12-10 Taisei Kaken:Kk 金属の表面にカーボンナノチューブまたはカーボン材の被覆を作る方法
US20120045644A1 (en) * 2010-08-23 2012-02-23 Hon Hai Precision Industry Co., Ltd. Carbon nanotube wire composite structure and method for making the same
CN101948988A (zh) 2010-10-28 2011-01-19 江西省电力科学研究院 一种碳纳米管复合输电导线的制造方法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
BAKSHI ET AL.: "Carbon nanotube reinforced metal matrix composites", INTERNATIONAL MATERIALS REVIEWS, vol. 55, no. 1, 2010, XP055144214, DOI: doi:10.1179/095066009X12572530170543
Y. FENG; H. L. YUAN; M. ZHANG, MATER. CHARACT., vol. 55, 2005, pages 211 - 218
Y. L. YANG; Y. D. WANG; Y. REN; C. S. HE; J. N. DENG; J. NAN; J. G. CHEN; L. ZUO, MATER. LETT., vol. 62, 2008, pages 47 - 50

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9085678B2 (en) 2010-01-08 2015-07-21 King Abdulaziz City For Science And Technology Clean flame retardant compositions with carbon nano tube for enhancing mechanical properties for insulation of wire and cable
US8853540B2 (en) * 2011-04-19 2014-10-07 Commscope, Inc. Of North Carolina Carbon nanotube enhanced conductors for communications cables and related communications cables and methods
US20130105195A1 (en) * 2011-04-19 2013-05-02 Commscope Inc. Carbon Nanotube Enhanced Conductors for Communications Cables and Related Communications Cables and Methods
US8992681B2 (en) 2011-11-01 2015-03-31 King Abdulaziz City For Science And Technology Composition for construction materials manufacturing and the method of its production
US9299473B2 (en) 2013-06-11 2016-03-29 Hamilton Sundstrand Corporation Composite electrically conductive structures
EP2814040A1 (fr) * 2013-06-11 2014-12-17 Hamilton Sundstrand Corporation Structure en composite électriquement conductrice
US9903017B2 (en) 2013-06-11 2018-02-27 Hamilton Sunstrand Corporation Composite electrically conductive structures
WO2015139736A1 (fr) * 2014-03-18 2015-09-24 Abb Technology Ltd Procédé de fabrication d'un câble de grande puissance
CN108053946A (zh) * 2017-11-30 2018-05-18 南京工业大学 一种可拉伸、低电阻变化的导电纤维的制备方法
CN108053946B (zh) * 2017-11-30 2019-04-12 南京工业大学 一种可拉伸、低电阻变化的导电纤维的制备方法
GB2578717A (en) * 2018-09-20 2020-05-27 Chord Electronics Ltd Conductive element
GB2578717B (en) * 2018-09-20 2020-12-09 Chord Electronics Ltd Conductive element
EP4401093A3 (fr) * 2018-09-20 2024-11-13 Quantum Conductors Ltd Élément conducteur
US12334231B2 (en) 2018-09-20 2025-06-17 Quantum Conductors Ltd Conductive element
US12230419B1 (en) 2021-07-09 2025-02-18 Hrl Laboratories, Llc Carbon nanotube ultraconductor

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