CA2622580A1 - Double-walled carbon nanotubes and methods for production and application - Google Patents

Double-walled carbon nanotubes and methods for production and application Download PDF

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Publication number
CA2622580A1
CA2622580A1 CA002622580A CA2622580A CA2622580A1 CA 2622580 A1 CA2622580 A1 CA 2622580A1 CA 002622580 A CA002622580 A CA 002622580A CA 2622580 A CA2622580 A CA 2622580A CA 2622580 A1 CA2622580 A1 CA 2622580A1
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Prior art keywords
walled nanotubes
double
nanotubes
walled
ratio
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Granted
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CA002622580A
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French (fr)
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CA2622580C (en
Inventor
Alexander P. Moravsky
Raouf O. Loutfy
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Materials and Electrochemical Research Corp
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Individual
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Priority claimed from CA002424969A external-priority patent/CA2424969C/en
Publication of CA2622580A1 publication Critical patent/CA2622580A1/en
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Publication of CA2622580C publication Critical patent/CA2622580C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Inorganic Fibers (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

There is disclosed a solid substance comprised by more than one half by weight of hollow carbon nanotubes having walls consisting essentially of two layers of carbon atoms. Also disclosed are substantially pure double-walled nanotubes. Still further a composition is disclosed which comprises double-walled nanotubes and single-walled nanotubes wherein the ratio of the number of double-walled nanotubes to single-walled nanotubes is about 1.

Claims (7)

1. A solid substance comprised by more than one half by weight of hollow carbon nanotubes having walls consisting essentially of two layers of carbon atoms.
2. Substantially pure double-walled nanotubes.
3. The double-walled nanotubes, according to Claim 2 wherein single walled nanotubes are additionally present and the ratio of the number of double-walled nanotubes to single-walled nanotubes exceeds 30:1.
4. The double-walled nanotubes according to Claim 2 consisting of two concentric nearly cylindrical graphene layers, wherein the diameter of the outer layer ranges between 3.4 to 5.5 nm and the diameter of the inner layer ranges between 2.7 to 4.7 nm.
5. The double-walled nanotubes according to Claim 4 wherein the inter-layer distance ranges from 0.39 to 0.41 nm.
6. The double-walled nanotubes according to Claim 3 wherein the ratio of the number of double-walled nanotubes to single-walled nanotubes is 15:1.
7. A composition comprising double-walled nanotubes and single-walled nanotubes wherein the ratio of the number of double-walled nanotubes to single-walled nanotubes is about 1.
CA2622580A 2000-10-06 2000-10-30 Double-walled carbon nanotubes and methods for production and application Expired - Fee Related CA2622580C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US68029100A 2000-10-06 2000-10-06
US09/680,291 2000-10-06
CA002424969A CA2424969C (en) 2000-10-06 2000-10-30 Double-walled carbon nanotubes and methods for production and application

Related Parent Applications (1)

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CA002424969A Division CA2424969C (en) 2000-10-06 2000-10-30 Double-walled carbon nanotubes and methods for production and application

Publications (2)

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CA2622580A1 true CA2622580A1 (en) 2002-04-18
CA2622580C CA2622580C (en) 2012-03-13

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CA2622580A Expired - Fee Related CA2622580C (en) 2000-10-06 2000-10-30 Double-walled carbon nanotubes and methods for production and application

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CA (1) CA2622580C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110040720A (en) * 2019-04-22 2019-07-23 中国科学院金属研究所 High-purity, narrow diameter distribution, minor diameter double-walled carbon nano-tube preparation method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110040720A (en) * 2019-04-22 2019-07-23 中国科学院金属研究所 High-purity, narrow diameter distribution, minor diameter double-walled carbon nano-tube preparation method

Also Published As

Publication number Publication date
CA2622580C (en) 2012-03-13

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