JP2012533158A - ハイブリッド導体およびその製造方法 - Google Patents
ハイブリッド導体およびその製造方法 Download PDFInfo
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- JP2012533158A JP2012533158A JP2012519729A JP2012519729A JP2012533158A JP 2012533158 A JP2012533158 A JP 2012533158A JP 2012519729 A JP2012519729 A JP 2012519729A JP 2012519729 A JP2012519729 A JP 2012519729A JP 2012533158 A JP2012533158 A JP 2012533158A
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- Prior art keywords
- nanostructures
- copper
- conductor
- hybrid
- surface area
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
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- H01B1/026—Alloys based on copper
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
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- H—ELECTRICITY
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- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
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- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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Abstract
Description
カーボンナノチューブは、高い破断点歪み(または破壊に至る歪み、strain to failure)および比較的高い引張係数を含む極端な引張強さを有することが知られている。カーボンナノチューブは、疲労、放射線障害および熱に対しても高い耐性を有し得る。そのため、カーボンナノチューブを複合材料に加えることによって、複合材料の抗張力および剛性を向上させることができる。
図1Aを参照すると、2006年7月17日付けで出願され、2007年2月15日付けで米国特許出願番号第20070036709号(以下『’709号出願』)として公報掲載された、米国特許出願第11/488,387号(参照して本明細書に組み込む)に開示されたシステムと同様の、ナノチューブの製造に用いるシステム10が示されている。一実施形態では、システム10は、合成チャンバ11に接続することができる。合成チャンバ11は、一般に、反応性ガス(即ち、ガス状の炭素源)を内部に供給できる入口端部111と、延長された長さを有するナノチューブ113の合成が生じ得るホットゾーン112と、反応生成物(即ち、ナノチューブおよび排ガス)を排出および捕集できる出口端部114と、を有する。合成チャンバ11は、一実施形態では、炉116を通って延在する石英管115を含むことができる。一方、システム10によって作成されるナノチューブは、個々の単層ナノチューブ、そのようなナノチューブの束(バンドル)、および/または撚り合わされた単層ナノチューブ(即ち、ナノチューブのロープ)であってもよい。
2つの可動導体(例えば高エネルギーキャパシタ、アース用ストラップ、バスバーもしくはバスパイプ、またはパルス発生回路等)の間の比較的高い電流パルスを、波形の劣化なしにまたは接合部の加熱なしに外部回路へ伝えるために、本発明は、一実施形態において、図2に示すような導体20を提供する。導体20は、とりわけ、導電性のナノ構造ベースの材料21と、コネクタ部22と、実質的に低抵抗率のカップリングを提供できる材料から形成されたカップリング機構23と、を有することができると同時に、伝導性に能動的に関与し得る導電性ナノ構造体の数を実質的に最大にすることができる。
広範囲の周波数にわたって向上した導電性および電流容量を達成することができるハイブリッド導体を開示する。そのようなハイブリッド導体を形成する1つの方法は、導電性材料(例えば銀、金、銅)を複数のナノ構造体に接触させることを含む。ある場合には、導電性材料は、複数のナノ構造体に沿って電気的および/または熱的伝導性を向上させる。一実施形態では、複数のナノ構造体はナノチューブの糸である。別の実施形態では、複数のナノ構造体はナノチューブのシートである。いくつかの実施形態では、複数のナノ構造体は、炭素、銅、銀、ホウ素、窒化ホウ素またはそれらの組合せの1つから形成されるナノチューブを含む。ナノ構造体は、本明細書にて開示する他のタイプのナノチューブを含むこともできる。一般に、接触させることには、複数のナノ構造体の表面の一部だけをも含む。例えば、複数のナノ構造体を利用することによって、隣接するナノ構造体の周辺の若干の部分は、導電性材料と物理的に接触していてもよいが、その代わりに他のナノ構造体とも接触している。
ハイブリッド導体およびその他のハイブリッドナノ構造体導体を形成することによって、それらの並外れた機械的および電子的特性を利用する用途が可能となる。本発明のシステム及び方法によって形成されるハイブリッド導体およびハイブリッドナノ構造体導体は、繊維状材料に編んだり組み込んだり、ヒートシンク、強度および導電性を必要とする電力伝送線、低抵抗率および最小限の渦電流損失を必要とする電気モータおよびソレノイド巻線、カーボン−カーボンおよびカーボン−エポキシを含む高強度の繊維強化複合材料、ならびにハイブリッドナノチューブベースのケーブル、繊維、タウ、繊維製品および織物に関連して用いるために処理したりすることができる。また、これらのハイブリッドナノチューブおよびナノ構造体および導体から形成される装置、ならびに例えば種々の防護具、防護服、エネルギー生成索などの繊維製品も含まれる。本発明は、ハイブリッドナノチューブもしくはナノチューブの群を熱硬化性エポキシもしくは高カーボンポリマー、例えば複合材料前駆体として作用するフルフリルアルコールもしくはRESOLで被覆することをも意図している。
Claims (20)
- それぞれ表面積を有する複数のナノ構造体と、
前記複数のナノ構造体によって規定される幾何学的プロファイルを有する部材と、
前記複数のナノ構造体の表面積全体より小さい表面積に接触するように配置された導電性材料と、を含むハイブリッド導体であって、
前記導電性材料と前記複数のナノ構造体との組合せによって、導電性を向上させつつ、前記部材の長手方向に沿って抵抗率を低下させたことを特徴とするハイブリッド導体。 - 前記ナノ構造体は、炭素、銅、銀、ホウ素、窒化ホウ素、またはそれらの組合せのいずれか1つから形成される請求項1に記載のハイブリッド導体。
- 前記複数のナノ構造体は、フッ化物塩、塩化物塩、臭化物塩、ヨウ素酸塩、硝酸塩、硫酸塩またはそれらの組合せのいずれか1つを含む溶液中でドープされて成る請求項1に記載のハイブリッド導体。
- 前記複数のナノ構造体によって規定される前記部材は、糸またはシートのいずれか1つを含む請求項1に記載のハイブリッド導体。
- 前記部材は、複数の糸、複数のシート、またはそれらの組合せのいずれか1つを含む請求項4に記載のハイブリッド導体。
- 前記導電性材料は、前記複数のナノ構造体の前記表面積全体より小さい表面積に接触する導電性被覆、前記複数のナノ構造体の前記表面積合計より小さい表面積に接触する導電性ワイヤ、またはそれらの組合せのいずれか1つを含む請求項1に記載のハイブリッド導体。
- 前記導電性材料は、銅、アルミニウム、チタン、プラチナ、ニッケル、金、銀、またはそれらの組合せのいずれか1つを含む請求項6に記載のハイブリッド導体。
- 請求項1に記載のハイブリッド導体を含む熱導体。
- 請求項1に記載のハイブリッド導体を含む電気モータ用の低渦電流かつ低抵抗の巻線。
- 請求項1に記載のハイブリッド導体を含むソレノイド用の低渦電流かつ低抵抗の巻線。
- 複数のナノ構造体であって、フッ化物塩、塩化物塩、臭化物塩、ヨウ素酸塩、硝酸塩、硫酸塩、またはそれらの組合せのいずれか1つを含む溶液中でドープされて成る複数のナノ構造体と、
前記複数のナノ構造体によって規定される幾何学的プロファイルを有する部材であって、前記複数のナノ構造体が導電性を向上させつつ、前記部材の長手方向に沿って抵抗率を低減させた部材と、を含むハイブリッド導体。 - 前記複数のナノ構造体によって規定される部材は、糸またはシートのいずれか1つを含む請求項11に記載のハイブリッド導体。
- 前記部材は、複数の糸、複数のシート、またはそれらの組合せのいずれか1つを含む請求項12に記載のハイブリッド導体。
- それぞれ表面積を有する複数のナノ構造体を提供する工程と、
前記複数のナノ構造体によって規定される幾何学的プロファイルを有する部材を形成する工程と、
導電性材料を、前記複数のナノ構造体の表面積全体より小さい表面積に接触させる工程と、を含む方法であって、
前記導電性材料と前記複数のナノ構造体とを組合せることによって、導電性を向上させつつ、前記部材の長手方向に沿って抵抗率を低下させることを特徴とする方法。 - 前記提供する工程において、前記ナノ構造体は、炭素、銅、銀、ホウ素、窒化ホウ素、またはそれらの組合せのいずれか1つから形成される請求項14に記載の方法。
- 前記形成する工程に付随して、フッ化物塩、塩化物塩、臭化物塩、ヨウ素酸塩、硝酸塩、硫酸塩、またはそれらの組合せのいずれか1つを含む溶液中で前記複数のナノ構造体をドープする工程を更に含む請求項14に記載の方法。
- 前記形成する工程において、前記複数のナノ構造体によって規定される前記部材は、糸またはシートのいずれか1つを含む請求項14に記載の方法。
- 前記形成する工程において、前記部材は、複数の糸、複数のシート、またはそれらの組合せのいずれか1つを含む請求項17に記載の方法。
- 前記接触させる工程は、前記部材を導電性部材で被覆して、前記複数のナノ構造体の表面積全体より小さい表面積に接触させること、導電性ワイヤを前記複数のナノ構造体の表面積全体より小さい表面積に撚り合わせること、またはそれらの組合せのいずれか1つを含む請求項14に記載の方法。
- 前記接触させる工程において、前記導電性材料および前記導電性ワイヤは、銅、アルミニウム、チタン、プラチナ、ニッケル、金、銀、またはそれらの組合せのいずれか1つを含む請求項19に記載の方法。
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JP2017174690A (ja) * | 2016-03-24 | 2017-09-28 | 古河電気工業株式会社 | カーボンナノチューブ線材の接続方法及びカーボンナノチューブ線材接続構造体 |
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JP2019065431A (ja) * | 2017-10-03 | 2019-04-25 | 古河電気工業株式会社 | カーボンナノチューブ線材、カーボンナノチューブ線材接続構造体及びカーボンナノチューブ線材の製造方法 |
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JP2019179730A (ja) * | 2018-03-30 | 2019-10-17 | 古河電気工業株式会社 | カーボンナノチューブ複合線、カーボンナノチューブ被覆電線及びカーボンナノチューブ被覆電線の製造方法 |
JP7012412B2 (ja) | 2018-03-30 | 2022-01-28 | 古河電気工業株式会社 | カーボンナノチューブ複合線、カーボンナノチューブ被覆電線及びカーボンナノチューブ被覆電線の製造方法 |
JP7269070B2 (ja) | 2019-03-29 | 2023-05-08 | 古河電気工業株式会社 | カーボンナノチューブ線材 |
JP2020167101A (ja) * | 2019-03-29 | 2020-10-08 | 古河電気工業株式会社 | カーボンナノチューブ線材 |
Also Published As
Publication number | Publication date |
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JP5934643B2 (ja) | 2016-06-15 |
EP2451635B1 (en) | 2019-08-21 |
EP2451635A1 (en) | 2012-05-16 |
WO2011005964A1 (en) | 2011-01-13 |
EP2451635A4 (en) | 2016-12-14 |
CA2767522A1 (en) | 2011-01-13 |
JP2015057781A (ja) | 2015-03-26 |
PL2451635T3 (pl) | 2020-02-28 |
AU2010271429A1 (en) | 2012-02-02 |
US8354593B2 (en) | 2013-01-15 |
ES2749219T3 (es) | 2020-03-19 |
US20110005808A1 (en) | 2011-01-13 |
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