JP5416402B2 - カーボンナノチューブを製造するための方法及び反応器 - Google Patents
カーボンナノチューブを製造するための方法及び反応器 Download PDFInfo
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Description
T.W.エッベセン(Ebbesen)、Nature 358(1992) リー(Lee)S.J.ら、Diamond and Related Materials、11、2002、pp.914〜917 カーボン(Carbon)、第40巻、第15号、2002、pp.2905〜2911
直流(DC)で運転可能な反応器の設計の好ましい実施形態を図1に示す。図1は電流とガス/固体状原料のインレットを有する底部及び頂部を示す。
反応器の中央部には、冷却制御された成長基板と蒸発チャンバーが配置されており、成長基板とアーク帯との距離は変更可能である。また、各種反応成分を導入するための予備のインレットポートが数個配置されている。反応器の寸法は0.1baraに減圧した状態でも運転可能とされているが、3baraまで昇圧しても運転可能である。
アークの回転スピードは1000rps〜3000rps超と測定されており、上述の積J×Bextと使用するプラズマガスの種類とに依存する。
実験条件が一部異なる5種類の実験について示す。変数は注入時間、注入速度温度及びプラズマガスの種類である。実験1〜3では注入時間を長くし(84〜93分)、実験4では注入時間を短くした(10分)。実験3ではH2/Ar混合物をプラズマガスとして用い、実験1、2、4及び5ではHeを用いた。メタンの注入速度は実験1〜4では2.4〜2.5L/分とし、実験5では4.9L/分とした。いずれの実験においても反応器の加熱中にはArを用いた。表1にその他の実験パラメーターを示す。
Claims (20)
- カーボンナノチューブ又は他のカーボンナノ構造体を製造するためのプロセスであって、
外部から印加される磁場を用いて電気アークを回転させることにより発生する大体積熱プラズマ中で含炭素材料を蒸発/分解させることと、蒸発/分解した前記含炭素材料をガスフロー中で表面上又は粒子上に凝結させることと、前記含炭素材料を前記大体積熱プラズマを通して再循環させることと、を含むプロセス。 - 印加磁場の分布、方向及び強度を調整することによりアークの位置決めと回転を行うことを含む、請求項1に記載のプロセス。
- 前記含炭素材料は気体状態、液体状態又は固体状態である、請求項1に記載のプロセス。
- 前記含炭素材料は、カーボンブラック、グラファイト粉、石炭、天然ガス、炭化水素及び油類から成る群から選択される、請求項1に記載のプロセス。
- 前記含炭素材料又は適用するプラズマガスと共に触媒を添加することを含む、請求項1に記載のプロセス。
- 触媒を前記表面に適用することを含む、請求項1に記載のプロセス。
- 前記触媒は、Ni、Co、Fe及びY;Ni、Co、Fe及びYの塩並びにNi、Co、Fe及びYの有機金属化合物;Ni、Co、Fe、Y、前記塩及び前記化合物の懸濁物;及びこれらの組合せから成る群から選択される、請求項5又は6に記載のプロセス。
- 含炭素電極を加えることにより、又は含炭素電極を蒸発させることにより前記含炭素材料を提供することを含む、請求項1に記載のプロセス。
- 水素、ヘリウム、窒素、アルゴン、一酸化炭素又はこれらの混合物をプラズマガスとして用いることを含む、請求項1に記載のプロセス。
- 前記表面は電極又は基板のいずれかである、請求項1に記載のプロセス。
- 電気アークは電極と中空の対電極との間に提供され、それら電極は互いに軸方向に対向して配置される、請求項1に記載のプロセス。
- 前記対電極にはホールが設けられ、ガス及び粒子の通過及び再循環を可能とする、請求項11に記載のプロセス。
- 請求項1に記載のプロセスによりカーボンナノチューブ又は他のカーボンナノ構造体を製造するための反応器であって、
電極及び中空の対電極を備え、これら電極は互いに軸方向に対向して配置され、該対電極にはガス又は粒子の通過と再循環を可能にするホールが設けられ、該反応器は少なくとも1個の磁石を含む反応器。 - 前記対電極は管状である、請求項13に記載の反応器。
- 前記対電極又はその一部が円錐形である、請求項13又は14に記載の反応器。
- 少なくとも1個の磁石又は単一磁石の一部分をアーク領域の下方である反応器の下部に配置し、少なくとも1個の磁石又は単一磁石の一部分をアーク領域の上方である反応器の上部に配置する、請求項13〜15のいずれか一項に記載の反応器。
- 前記磁石は電磁石又は永久磁石である、請求項13又は16に記載の反応器。
- 対電極上に生成したカーボンナノチューブを取り出すためのブロー機構又は掻き取り機構を備える、請求項13〜17のいずれか一項に記載の反応器。
- 前記掻き取り機構は回転可能な対電極又は回転可能な掻き取り機構により設けられている、請求項18に記載の反応器。
- 少なくとも1本の注入ランス又は少なくとも1個の注入ポートを備える、請求項13に記載の反応器。
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US69086305P | 2005-06-16 | 2005-06-16 | |
US60/690,863 | 2005-06-16 | ||
NO20056149A NO326571B1 (no) | 2005-06-16 | 2005-12-22 | Fremgangsmate og reaktor for fremstilling av karbon nanoror |
NO20056149 | 2005-12-22 | ||
PCT/NO2006/000229 WO2006135253A1 (en) | 2005-06-16 | 2006-06-16 | Method and reactor for producing carbon nanotubes |
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US (1) | US8277739B2 (ja) |
EP (1) | EP1912893B1 (ja) |
JP (1) | JP5416402B2 (ja) |
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CN (1) | CN101248007B (ja) |
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JPH05116925A (ja) * | 1991-10-29 | 1993-05-14 | Mitsui Eng & Shipbuild Co Ltd | フラーレン類の製造装置 |
US5277038A (en) | 1992-08-28 | 1994-01-11 | Instatherm Company | Thermal storage system for a vehicle |
CA2084281C (fr) * | 1992-12-01 | 1999-07-06 | Roberto Nunes Szente | Torche a plasma pour deposition avec injection centrale |
JPH0848510A (ja) | 1994-08-04 | 1996-02-20 | Satoru Mieno | アーク放電によるフラーレン自動合成装置 |
SE516336C2 (sv) * | 1999-04-28 | 2001-12-17 | Hana Barankova | Apparat för plasmabehandling av ytor |
SE516722C2 (sv) * | 1999-04-28 | 2002-02-19 | Hana Barankova | Förfarande och apparat för plasmabehandling av gas |
US6451175B1 (en) | 2000-08-15 | 2002-09-17 | Wisconsin Alumni Research Foundation | Method and apparatus for carbon nanotube production |
JP3606232B2 (ja) * | 2001-06-01 | 2005-01-05 | 富士ゼロックス株式会社 | 炭素構造体の製造装置および製造方法 |
US7364709B2 (en) * | 2002-10-30 | 2008-04-29 | Fuji Xerox Co., Ltd. | Manufacturing apparatus and method for carbon nanotube |
JP3933035B2 (ja) | 2002-11-06 | 2007-06-20 | 富士ゼロックス株式会社 | カーボンナノチューブの製造装置および製造方法 |
DE10312494A1 (de) | 2003-03-20 | 2004-10-07 | Association pour la Recherche et le Développement des Méthodes et Processus Industriels (Armines) | Kohlenstoff-Nanostrukturen und Verfahren zur Herstellung von Nanoröhren, Nanofasern und Nanostrukturen auf Kohlenstoff-Basis |
CN1541938A (zh) | 2003-11-06 | 2004-11-03 | 大连理工大学 | 一种由煤连续制备碳纳米管材料的方法和装置 |
US20050230240A1 (en) * | 2004-03-09 | 2005-10-20 | Roman Dubrovsky | Method and apparatus for carbon allotropes synthesis |
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Also Published As
Publication number | Publication date |
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NO326571B1 (no) | 2009-01-12 |
BRPI0613344A2 (pt) | 2011-01-04 |
EP1912893B1 (en) | 2018-08-08 |
KR20080036037A (ko) | 2008-04-24 |
NO20056149L (no) | 2006-12-18 |
CA2612310C (en) | 2013-12-10 |
WO2006135253A1 (en) | 2006-12-21 |
CN101248007B (zh) | 2011-04-20 |
RU2419585C2 (ru) | 2011-05-27 |
EP1912893A1 (en) | 2008-04-23 |
US20090294273A1 (en) | 2009-12-03 |
BRPI0613344B1 (pt) | 2018-02-14 |
US8277739B2 (en) | 2012-10-02 |
JP2009507747A (ja) | 2009-02-26 |
CA2612310A1 (en) | 2006-12-21 |
CN101248007A (zh) | 2008-08-20 |
RU2008101656A (ru) | 2009-07-27 |
EP1912893A4 (en) | 2012-10-10 |
KR101257279B1 (ko) | 2013-04-23 |
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