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Tian et al., 2004 - Google Patents

Coal-derived carbon nanotubes by thermal plasma jet

Tian et al., 2004

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Document ID
6885344357776747936
Author
Tian Y
Zhang Y
Wang B
Ji W
Zhang Y
Xie K
Publication year
Publication venue
Carbon

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Snippet

A coal/arc-jet technique by directly and successively injecting coal fine particles into the arc plasma jet instead of arcing graphite or coal-based electrodes for producing carbon nanotubes (CNTs) from coal was developed. The derived carbon products by this technique …
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Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B31/00Carbon; Compounds thereof
    • C01B31/02Preparation of carbon; Purification; After-treatment
    • C01B31/0206Nanosized carbon materials
    • C01B31/022Carbon nanotubes
    • C01B31/0226Preparation
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B31/00Carbon; Compounds thereof
    • C01B31/02Preparation of carbon; Purification; After-treatment
    • C01B31/0206Nanosized carbon materials
    • C01B31/0213Fullerenes
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B31/00Carbon; Compounds thereof
    • C01B31/02Preparation of carbon; Purification; After-treatment
    • C01B31/0206Nanosized carbon materials
    • C01B31/0293Other structures, e.g. nano-onions, nano-scrolls, nano-horns, nano-cones or nano-walls
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B31/00Carbon; Compounds thereof
    • C01B31/02Preparation of carbon; Purification; After-treatment
    • C01B31/04Graphite, including modified graphite, e.g. graphitic oxides, intercalated graphite, expanded graphite or graphene
    • C01B31/0423Expanded or exfoliated graphite
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2202/00Structure or properties of carbon nanotubes
    • C01B2202/20Nanotubes characterized by their properties
    • C01B2202/22Electronic properties
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B31/00Carbon; Compounds thereof
    • C01B31/30Carbides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/22Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds

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