WO2000006488A1 - Procédé de production de matière carbonée fonctionnelle - Google Patents

Procédé de production de matière carbonée fonctionnelle Download PDF

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Publication number
WO2000006488A1
WO2000006488A1 PCT/JP1999/004069 JP9904069W WO0006488A1 WO 2000006488 A1 WO2000006488 A1 WO 2000006488A1 JP 9904069 W JP9904069 W JP 9904069W WO 0006488 A1 WO0006488 A1 WO 0006488A1
Authority
WO
WIPO (PCT)
Prior art keywords
carbon
force
nanotube
heat treatment
tube
Prior art date
Application number
PCT/JP1999/004069
Other languages
English (en)
Japanese (ja)
Inventor
Chiharu Yamaguchi
Hisaji Matsui
Hitoshi Nishino
Eiji Nakanishi
Katsuhiro Sasaki
Ryoichi Nishida
Ayumu Yasuda
Original Assignee
Osaka Gas Company Limited
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 Osaka Gas Company Limited filed Critical Osaka Gas Company Limited
Publication of WO2000006488A1 publication Critical patent/WO2000006488A1/fr

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00—Manufacture or treatment of nanostructures
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/15—Nano-sized carbon materials
    • C01B32/158—Carbon nanotubes
    • C01B32/16—Preparation

Definitions

  • the present invention relates to a method for producing a functional carbon material containing carbon nanotube tubes.
  • nanotube has carbon, such as graphite.
  • the material is used as a raw material, and in the presence of a catalyst metal, a gas phase such as a carbon arc method, a snotter method, or a laser irradiation method. According to the law, they are synthesized.
  • the nanotube has a linear shape
  • the density of the material can be increased, and the gas can be diffused in the material.
  • the power s which is an IJ, and the like.
  • the present invention is capable of producing a carbon nanotube tube having a controlled diameter, shape, structure, and the like with good yield. Its main purpose is to provide technology
  • a method for producing carbon nanotubes as described in item 1 above which uses a raw material of carbon material synthesized by the Chemical Reduction Method.
  • a carbon nanotube is formed on a substrate, a particle or a porous material, and the force described in any of the above items 1 to 5 is applied.
  • Such carbon nanotubes can also be formed on substrates, particles, and porous materials.
  • the raw materials are collectively referred to as “raw materials”, and the heat is applied to the bonito heat treatment so that the nanotubular layer can process these thin films. You can get it.
  • Pressurized heat treatment of raw materials is, 760 ⁇ 10- 7 torr extent atmospheric pressure ⁇ optimal decrease pressure under the (good Ri good or to rather than the 10- 1 to 10 - reduced pressure under 7 torr extent) At about 100-2000 ° C (more preferably about 200- 1500 ° C).
  • Oh Ru Les, the force of raw materials!] Heat, 760-10 one 7 torr extent of He, Ar Oh Ru Rere is N 2 or is this is these mixed compounds or et al ing Kiri enclosed About 100 to 2000 ° C in air (Preferably between 200 and 150.000C).
  • the raw material On one level, it is possible for the raw material to be heated in a reducing atmosphere. In the case of this, every time the upper Symbol temperature, pressure your good beauty Atmosphere conditions the H 2 1 ⁇ 5 about 0% degree force under!] Ri by the and this Ru example, a row cormorant this it can .
  • the nanotube according to the present invention has a diameter of usually 1 OO nm or less, and the diameter is controlled by selecting a manufacturing condition. This force S can be.
  • the nanotube according to the present invention is a straight line, and has a shape different from that of the tube in which the tubes are entangled with each other. Reply Such a shape has not been obtained at a high yield by the known method for producing carbon nanotubes.
  • the nanotube according to the present invention has an elasticity such that it can absorb the strain due to gas absorption or the force of an external force. Noji It has an amorphous structure with elasticity.
  • amorphous structure is not a graphite structure consisting of a continuous carbon layer of carbon atoms arranged like a shell IJ, but rather a graphite structure. Means a carbon structure that is relatively irregular carbon layer. It is a typical analytical method The images obtained by transmission electron microscopy are described as follows.
  • the amorphous nanotubes according to the present invention are characterized by the carbon nanotubes of the carbon layer. It can be specified that the length along the shaft is less than twice the direct diameter of the carbon nanotube.
  • the nanotube according to the present invention can be controlled to a structure in which the front end of the nanotube is flat, so that the front end of the nanotube can be controlled.
  • the structural strain is relatively large, which is advantageous for releasing the tip of the nanotube.
  • the electrolysis source is prepared by dissolving the supporting salt as a solvent by the two-electrode method (anode: magnesium, cathode: stainless steel).
  • Te DOO La inhibit mud off run-soluble liquid was (L i C l: 0. 8 g F e C 1 2: 0. 48 g, THF: 30m l) was les use a Te Tsu line.
  • 10 PTFE buoys / lems (10 mm X 10 mm X 0.03 mm) are charged together with the solvent in the flask where the anode and cathode are installed.
  • the electrolysis was performed for 15 hours at 0 ° C. under argon atmosphere with stirring power S. During the reaction, a potential of 25 V was applied between the positive electrode and the negative electrode. Response end Thereafter, the PTFE film was washed with THF, dried in the vacuum at the next step, and then stored in an atmosphere of anoregone.
  • the material obtained was converted to a PTFE surface force S carbon material and contained one C ⁇ C1 and / or two C2. And the power and the power of the light
  • the carbonized material obtained in Reference Example 1 was depressurized (10-1 orr) to 1100. I heated it to C. Observation by TEM revealed that a large amount of linear carbon nanotubes were formed from the surface of the carbonized layer. This force S was confirmed.
  • Reference Example 1 obtained in al the-carbon of materials into under reduced pressure (1 0 4 torr), and force B heat in 1 3 0 0 ° C. As a result of the TEM observation, it was confirmed that the carbon nanotubes in a straight line had grown in a large amount based on the surface force of the carbon material sample.
  • Example 6 the carbonized material obtained in Reference Example 1 was used in an Ar atmosphere (Example 7). It was heated at 0 OC. As a result of the TEM observation, the carbon nanotubes in the form of linear carbon nanotubes showed the surface of the carbon material sample as in the case of Kabon heat treatment under reduced pressure. It was confirmed that the force grew to a large amount.
  • Example 8

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

L'invention se rapporte à un procédé de production d'un nanotube en carbone, qui se caractérise en ce qu'il consiste à chauffer une matière carbonée contenant une liaison -C C- et/ou =C= réactive.
PCT/JP1999/004069 1998-07-30 1999-07-29 Procédé de production de matière carbonée fonctionnelle WO2000006488A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP21528798 1998-07-30
JP10/215287 1998-07-30

Publications (1)

Publication Number Publication Date
WO2000006488A1 true WO2000006488A1 (fr) 2000-02-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1999/004069 WO2000006488A1 (fr) 1998-07-30 1999-07-29 Procédé de production de matière carbonée fonctionnelle

Country Status (1)

Country Link
WO (1) WO2000006488A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002141084A (ja) * 2000-05-08 2002-05-17 Honda Motor Co Ltd 燃料電池

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09249405A (ja) * 1996-03-12 1997-09-22 Osaka Gas Co Ltd 炭素材料の製造方法
JPH10167714A (ja) * 1996-12-16 1998-06-23 Osaka Gas Co Ltd 炭素材料の製法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09249405A (ja) * 1996-03-12 1997-09-22 Osaka Gas Co Ltd 炭素材料の製造方法
JPH10167714A (ja) * 1996-12-16 1998-06-23 Osaka Gas Co Ltd 炭素材料の製法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
CHING-HWA KIANG ET AL: "Polyyne Ring Nucleus Growth Model for Single-Layer Carbon Nanotubes", PHYSICAL REVIEW LETTERS,, vol. 76, no. 14, 1 April 1996 (1996-04-01), pages 2515 - 2518, XP002925384 *
NOBORU KAWASE ET AL: "In-Situ Observation of Formation of Nanoscale Carbon Tubules", CARBON, vol. 36, no. 12, 1998, pages 1864 - 1865, XP002925385 *
NOBORU KAWASE ET AL: "Transformation of Polyyne-Containing Carbon to Nanoscale Carbon Tubules", CARBON, vol. 37, no. 3, 1999, pages 522 - 524, XP002925386 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002141084A (ja) * 2000-05-08 2002-05-17 Honda Motor Co Ltd 燃料電池
JP4630484B2 (ja) * 2000-05-08 2011-02-09 本田技研工業株式会社 燃料電池

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