JP2007145713A - 短尺ナノチューブ - Google Patents
短尺ナノチューブ Download PDFInfo
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- C01B3/001—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes characterised by the uptaking medium; Treatment thereof
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- C01B32/15—Nano-sized carbon materials
- C01B32/158—Carbon nanotubes
- C01B32/16—Preparation
- C01B32/166—Preparation in liquid phase
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F17C11/00—Use of gas-solvents or gas-sorbents in vessels
- F17C11/007—Use of gas-solvents or gas-sorbents in vessels for hydrocarbon gases, such as methane or natural gas, propane, butane or mixtures thereof [LPG]
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- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
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- B01J2219/0824—Details relating to the shape of the electrodes
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- B01J2219/0837—Details relating to the material of the electrodes
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Abstract
【解決手段】同心円筒状に配列されたナノチューブ層から形成され、平均直径が2〜15nm、好ましくは6〜8nmであり、長さは0.1〜0.5μmの範囲内である。また、粉末試料としたとき、2V/ミクロンで電界電子放出を開始可能である。フラーレンおよびナノカーボンを製造するための装置は、密閉可能なチャンバ内の第一の電極に可動式コンタクタ6が取り付けられ、また、第二の電極とは間隔を置いて配置されており、両電極間での放電が可能である。
【選択図】図5
Description
a) 有効炭素源として炭化水素液を提供することと、
b) 芳香族炭化水素液が、アセチレンやエチレン、メタン、一酸化炭素などの「合成」ガスを生成するように、エネルギを投入することとを含む。
図5に示すフラーレン製造用装置は、密封されたチャンバ1を有し、チャンバ1内において、アノード3のホルダ11とカソード5のホルダ4とがアノード3の末端に固定されており、球状あるいは半球状の黒鉛製コンタクタ6がアノード3の下方に配置されている。この装置は炭化水素液8に浸漬されており、(電極を囲んでいるチャンバ1内にバッファガスを添加するための)バルブ9と直流電源10(例えば、通常のカーバッテリ)とに接続されている。
前述したように短尺単層ナノチューブを生成するために、図5の装置と実施形態1に記載の方法を用い、直径3mmのモリブデン製棒、そして炭化水素液としてトルエン/コバルト/ニッケルナフテン酸塩(短尺単層ナノチューブ用)混合物を用いた。直流電圧24V(並列に接続した通常のカーバッテリ3対)を印加し、20〜40Aのアーク電流を得た。細い炭素質堆積物(約15g)をモリブデン製棒の一面に約10分間成長させた。得られた堆積物は、短尺GNF(長さ:1ミクロン未満)および短尺単層ナノチューブ(約1重量%)を含む「カール状」ナノカーボンを主とするものであった。
1. S飯島(S. Iijima)著、黒鉛状炭素のらせん状微細管(Helical Microtubules of graphitic carbon).ネイチャー(Nature) V.354、p56〜58、1991年 2. アンドレアス・テス(Andreas Thess)ら著、サイエンス(Science)、273.483〜487(1996年7月26日) 3. A.C.ディロン(A. C. Dillon)ら著、水素貯蔵用カーボンナノチューブ材料(Carbon Nanotube Materials for hydrogen storage).2000 DOE/NREL Hydrogen Program Review NREL/Cp−570−28890予稿集、2000年5月8日〜10日 4. リウ(Liu)ら著、「室温での単層カーボンナノチューブへの水素貯蔵」(Hydrogen Storage in Single Walled Carbon Nanotubes at Room Temperature)、サイエンス(Science)、Vol.286、p1127、1999年
Claims (6)
- 同心円筒状に配列されたナノチューブ層から形成され、平均直径が2〜15nm自然長が100〜500nmである短尺多層ナノチューブ。
- 平均直径が6〜8nmである請求項1に記載の短尺多層ナノチューブ。
- 単層ナノチューブが2〜15層、同軸的に積層された構成を有する請求項1または請求項2に記載の短尺多層ナノチューブ。
- 各ナノチューブの一端が半球状、他の一端が円錐状である請求項1ないし3のいずれか1項に記載の短尺多層ナノチューブ。
- 半球状の端部は、円錐状の端部をそのままに保持したまま酸化によって選択的に開端されうる請求項4に記載の短尺多層ナノチューブ。
- 粉末試料としたとき、2V/ミクロンで電界電子放出を開始可能である請求項1ないし5のいずれか1項に記載の短尺多層ナノチューブ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0123508A GB0123508D0 (en) | 2001-10-01 | 2001-10-01 | Nanotubes |
GB0206442A GB0206442D0 (en) | 2002-03-19 | 2002-03-19 | Nanotubes |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2003532405A Division JP2005503989A (ja) | 2001-10-01 | 2002-09-30 | 短尺ナノチューブ |
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JP2007145713A true JP2007145713A (ja) | 2007-06-14 |
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JP2003532405A Pending JP2005503989A (ja) | 2001-10-01 | 2002-09-30 | 短尺ナノチューブ |
JP2007000155A Pending JP2007145713A (ja) | 2001-10-01 | 2007-01-04 | 短尺ナノチューブ |
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JP2003532405A Pending JP2005503989A (ja) | 2001-10-01 | 2002-09-30 | 短尺ナノチューブ |
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US (1) | US7244408B2 (ja) |
EP (1) | EP1432643A1 (ja) |
JP (2) | JP2005503989A (ja) |
KR (1) | KR20040050069A (ja) |
AU (1) | AU2002327980B2 (ja) |
CA (1) | CA2461578A1 (ja) |
RU (1) | RU2309118C2 (ja) |
WO (1) | WO2003029141A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2014616A3 (en) * | 2005-11-25 | 2009-04-08 | National Institute for Materials Science | Carbon nanotubes, substrate and electron emission device with such carbon nanotubes and carbon nanotube synthesizing substrate as well as methods of and apparatus for making them |
US9722275B2 (en) * | 2007-12-14 | 2017-08-01 | Nanotek Instruments, Inc. | Anode protective layer compositions for lithium metal batteries |
WO2009119059A1 (ja) * | 2008-03-26 | 2009-10-01 | Nuエコ・エンジニアリング株式会社 | グラフェンの製造方法 |
US8119074B2 (en) * | 2008-12-17 | 2012-02-21 | Centro de Investigacion en Materiales Avanzados, S.C | Method and apparatus for the continuous production of carbon nanotubes |
FR2941938B1 (fr) * | 2009-02-06 | 2011-05-06 | Commissariat Energie Atomique | Procede de kit de separation de nanotubes de carbone metalliques et semi-conducteurs. |
EP2406794B1 (en) * | 2009-03-13 | 2014-08-06 | Oxazogen, Inc. | Optical power limiting polymeric matrix |
EP2480326A4 (en) * | 2009-09-23 | 2013-05-15 | Oxazogen Inc | POLYMER COLOR FOR OPTICAL POWER LIMITATION |
RU2446095C2 (ru) * | 2010-04-01 | 2012-03-27 | Федеральное государственное унитарное предприятие "Центральный аэрогидродинамический институт имени профессора Н.Е. Жуковского" (ФГУП "ЦАГИ") | Установка для получения углеродных нанотрубок |
RU2447019C2 (ru) * | 2010-05-11 | 2012-04-10 | Сергей Прокопьевич Бардаханов | Способ получения углеродсодержащих нанотрубок |
US8480964B2 (en) * | 2011-07-05 | 2013-07-09 | King Fahd University Of Petroleum And Minerals | Plate reactor |
CN109052369B (zh) * | 2018-08-15 | 2020-08-21 | 深圳大学 | 一种纳米材料的制备方法 |
US11508498B2 (en) | 2019-11-26 | 2022-11-22 | Trimtabs Ltd | Cables and methods thereof |
Citations (4)
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JPH10203810A (ja) * | 1997-01-21 | 1998-08-04 | Canon Inc | カーボンナノチューブの製法 |
JPH11116219A (ja) * | 1997-10-15 | 1999-04-27 | Matsushita Electric Ind Co Ltd | 水素貯蔵体とその製法 |
JP2000100317A (ja) * | 1998-09-18 | 2000-04-07 | Noritake Co Ltd | 電界電子放出装置 |
JP2000223005A (ja) * | 1999-01-25 | 2000-08-11 | Lucent Technol Inc | カ―ボンナノチュ―ブを含む物を製造するための方法および切り取られたカ―ボンナノチュ―ブを含むデバイス |
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RU2146648C1 (ru) * | 1998-11-30 | 2000-03-20 | Институт катализа им.Г.К.Борескова СО РАН | Способ получения углеродных нанотрубок |
SE9903079L (sv) * | 1999-08-31 | 2001-03-01 | Ultratec Ltd | Förfarande för framställning av nanorörformigt material och material vilket framställts genom detta förfarande |
EP1129990A1 (en) * | 2000-02-25 | 2001-09-05 | Lucent Technologies Inc. | Process for controlled growth of carbon nanotubes |
WO2002022499A1 (en) * | 2000-09-18 | 2002-03-21 | President And Fellows Of Harvard College | Fabrication of nanotube microscopy tips |
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2002
- 2002-09-30 EP EP02762594A patent/EP1432643A1/en not_active Withdrawn
- 2002-09-30 JP JP2003532405A patent/JP2005503989A/ja active Pending
- 2002-09-30 CA CA002461578A patent/CA2461578A1/en not_active Abandoned
- 2002-09-30 US US10/490,606 patent/US7244408B2/en not_active Expired - Lifetime
- 2002-09-30 KR KR10-2004-7004723A patent/KR20040050069A/ko not_active Application Discontinuation
- 2002-09-30 WO PCT/GB2002/004404 patent/WO2003029141A1/en active Application Filing
- 2002-09-30 AU AU2002327980A patent/AU2002327980B2/en not_active Ceased
- 2002-09-30 RU RU2004113368/15A patent/RU2309118C2/ru not_active IP Right Cessation
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2007
- 2007-01-04 JP JP2007000155A patent/JP2007145713A/ja active Pending
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JPH10203810A (ja) * | 1997-01-21 | 1998-08-04 | Canon Inc | カーボンナノチューブの製法 |
JPH11116219A (ja) * | 1997-10-15 | 1999-04-27 | Matsushita Electric Ind Co Ltd | 水素貯蔵体とその製法 |
JP2000100317A (ja) * | 1998-09-18 | 2000-04-07 | Noritake Co Ltd | 電界電子放出装置 |
JP2000223005A (ja) * | 1999-01-25 | 2000-08-11 | Lucent Technol Inc | カ―ボンナノチュ―ブを含む物を製造するための方法および切り取られたカ―ボンナノチュ―ブを含むデバイス |
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AU2002327980B2 (en) | 2008-02-21 |
US20040241077A1 (en) | 2004-12-02 |
CA2461578A1 (en) | 2003-04-10 |
RU2004113368A (ru) | 2005-04-10 |
KR20040050069A (ko) | 2004-06-14 |
RU2309118C2 (ru) | 2007-10-27 |
US7244408B2 (en) | 2007-07-17 |
EP1432643A1 (en) | 2004-06-30 |
WO2003029141A1 (en) | 2003-04-10 |
JP2005503989A (ja) | 2005-02-10 |
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