WO2005069765A8 - Carbon nanotube pastes and methods of use - Google Patents

Carbon nanotube pastes and methods of use

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Publication number
WO2005069765A8
WO2005069765A8 PCT/US2004/038137 US2004038137W WO2005069765A8 WO 2005069765 A8 WO2005069765 A8 WO 2005069765A8 US 2004038137 W US2004038137 W US 2004038137W WO 2005069765 A8 WO2005069765 A8 WO 2005069765A8
Authority
WO
WIPO (PCT)
Prior art keywords
swnt
pastes
metal
solvent
dispersable
Prior art date
Application number
PCT/US2004/038137
Other languages
French (fr)
Other versions
WO2005069765A2 (en
WO2005069765A3 (en
Inventor
Olga Matarredona
Leandro Balzano
Daniel E Resasco
Siriporn Jongpatiwut
Original Assignee
Olga Matarredona
Leandro Balzano
Daniel E Resasco
Siriporn Jongpatiwut
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Olga Matarredona, Leandro Balzano, Daniel E Resasco, Siriporn Jongpatiwut filed Critical Olga Matarredona
Priority to AU2004314423A priority Critical patent/AU2004314423A1/en
Priority to EP04811023A priority patent/EP1748837A4/en
Priority to MXPA06006805A priority patent/MXPA06006805A/en
Priority to CA002549850A priority patent/CA2549850A1/en
Priority to JP2006549251A priority patent/JP2007517760A/en
Publication of WO2005069765A2 publication Critical patent/WO2005069765A2/en
Publication of WO2005069765A3 publication Critical patent/WO2005069765A3/en
Publication of WO2005069765A8 publication Critical patent/WO2005069765A8/en

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    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/55—Mixing liquids with solids the mixture being submitted to electrical, sonic or similar energy
    • B01F23/551—Mixing liquids with solids the mixture being submitted to electrical, sonic or similar energy using vibrations
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    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/10—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing sonic or ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00—Manufacture or treatment of nanostructures
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    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/15—Nano-sized carbon materials
    • C01B32/158—Carbon nanotubes
    • C01B32/168—After-treatment
    • C01B32/174—Derivatisation; Solubilisation; Dispersion in solvents
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    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/44—Carbon
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    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/44—Carbon
    • C09C1/48—Carbon black
    • C09C1/56—Treatment of carbon black ; Purification
    • C09C1/565—Treatment of carbon black ; Purification comprising an oxidative treatment with oxygen, ozone or oxygenated compounds, e.g. when such treatment occurs in a region of the furnace next to the carbon black generating reaction zone
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    • D06M10/02—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements ultrasonic or sonic; Corona discharge
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    • H01G11/22—Electrodes
    • H01G11/30—Electrodes characterised by their material
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    • H01G11/22—Electrodes
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    • H01M4/8878—Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
    • H01M4/8882—Heat treatment, e.g. drying, baking
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    • H01M4/90—Selection of catalytic material
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    • H01M4/90—Selection of catalytic material
    • H01M4/92—Metals of platinum group
    • H01M4/925—Metals of platinum group supported on carriers, e.g. powder carriers
    • H01M4/926—Metals of platinum group supported on carriers, e.g. powder carriers on carbon or graphite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/18—Carbon
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    • C01B2202/00—Structure or properties of carbon nanotubes
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    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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    • Y10S977/00—Nanotechnology
    • Y10S977/70—Nanostructure
    • Y10S977/734—Fullerenes, i.e. graphene-based structures, such as nanohorns, nanococoons, nanoscrolls or fullerene-like structures, e.g. WS2 or MoS2 chalcogenide nanotubes, planar C3N4, etc.
    • Y10S977/742—Carbon nanotubes, CNTs
    • 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
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    • Y10S977/00—Nanotechnology
    • Y10S977/84—Manufacture, treatment, or detection of nanostructure
    • Y10S977/89—Deposition of materials, e.g. coating, cvd, or ald
    • 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
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    • Y10S977/00—Nanotechnology
    • Y10S977/902—Specified use of nanostructure
    • Y10S977/932—Specified use of nanostructure for electronic or optoelectronic application
    • Y10S977/948—Energy storage/generating using nanostructure, e.g. fuel cell, battery

Abstract

Dispersable pastes comprising single-walled carbon nanotubes (SWNT) in water or in an organic solvent are prepared. The method of preparing the dispersable pastes comprises in general the following steps: a) removal of the catalyst used during the synthesis of SWNT; b) while the SWNT are still wet, addition of the appropriate amount of solvent, in a solvent/SWNT ratio which preferably varies between 30:1 and 100:1, depending on the desired viscosity of the paste; and c) high-energy horn sonication with a dismembrator probe. The resulting pastes are suitable for easy redispersion in solvents and incorporation in various matrices such as polymers. They are also suitable to be impregnated with metal precursors such as noble metal compounds for example, Pt. Appropriate drying and thermal treatments of the impregnated material produce metal-SWNT composites in which small metal clusters can be uniformly dispersed over the nanotube surface. These metal-SWNT composites may find applications as catalysts as well as electrodes for fuel cells, batteries, and capacitors.
PCT/US2004/038137 2004-01-09 2004-11-15 Carbon nanotube pastes and methods of use WO2005069765A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU2004314423A AU2004314423A1 (en) 2004-01-09 2004-11-15 Carbon nanotube pastes and methods of use
EP04811023A EP1748837A4 (en) 2004-01-09 2004-11-15 Carbon nanotube pastes and methods of use
MXPA06006805A MXPA06006805A (en) 2004-01-09 2004-11-15 Carbon nanotube pastes and methods of use.
CA002549850A CA2549850A1 (en) 2004-01-09 2004-11-15 Carbon nanotube pastes and methods of use
JP2006549251A JP2007517760A (en) 2004-01-09 2004-11-15 Carbon nanotube paste and method of use

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US53527304P 2004-01-09 2004-01-09
US60/535,273 2004-01-09
US57021304P 2004-05-12 2004-05-12
US60/570,213 2004-05-12

Publications (3)

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WO2005069765A2 WO2005069765A2 (en) 2005-08-04
WO2005069765A3 WO2005069765A3 (en) 2006-12-21
WO2005069765A8 true WO2005069765A8 (en) 2007-09-20

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US (2) US7279247B2 (en)
EP (1) EP1748837A4 (en)
JP (1) JP2007517760A (en)
KR (1) KR20060133577A (en)
AU (1) AU2004314423A1 (en)
CA (1) CA2549850A1 (en)
MX (1) MXPA06006805A (en)
WO (1) WO2005069765A2 (en)

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