BRPI0409874A - compósito polimérito de nanotubos, material compósito cerámico, eletrodo de célula de combustìvel, material de emissão de campo, dispositivo de emissão de campo, e, compósito cerámico de nanotubos de carbono - Google Patents

compósito polimérito de nanotubos, material compósito cerámico, eletrodo de célula de combustìvel, material de emissão de campo, dispositivo de emissão de campo, e, compósito cerámico de nanotubos de carbono

Info

Publication number
BRPI0409874A
BRPI0409874A BRPI0409874-9A BRPI0409874A BRPI0409874A BR PI0409874 A BRPI0409874 A BR PI0409874A BR PI0409874 A BRPI0409874 A BR PI0409874A BR PI0409874 A BRPI0409874 A BR PI0409874A
Authority
BR
Brazil
Prior art keywords
ceramic
nanotube
field emission
composite
ceramic composite
Prior art date
Application number
BRPI0409874-9A
Other languages
English (en)
Inventor
Leandro Balzano
Daniel E Resasco
Original Assignee
Leandro Balzano
Daniel E Resasco
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 Leandro Balzano, Daniel E Resasco filed Critical Leandro Balzano
Publication of BRPI0409874A publication Critical patent/BRPI0409874A/pt

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90—Selection of catalytic material
    • H01M4/9041—Metals or alloys
    • H01M4/905—Metals or alloys specially used in fuel cell operating at high temperature, e.g. SOFC
    • H01M4/9066—Metals or alloys specially used in fuel cell operating at high temperature, e.g. SOFC of metal-ceramic composites or mixtures, e.g. cermets
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • 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
    • C01B32/16—Preparation
    • C01B32/162—Preparation characterised by catalysts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/30—Cold cathodes, e.g. field-emissive cathode
    • H01J1/304—Field-emissive cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/8605—Porous electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/8605—Porous electrodes
    • H01M4/8621—Porous electrodes containing only metallic or ceramic material, e.g. made by sintering or sputtering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
    • H01M4/8652—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites as mixture
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2202/00—Structure or properties of carbon nanotubes
    • C01B2202/02—Single-walled nanotubes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2202/00—Structure or properties of carbon nanotubes
    • C01B2202/06—Multi-walled nanotubes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2202/00—Structure or properties of carbon nanotubes
    • C01B2202/20—Nanotubes characterized by their properties
    • C01B2202/36—Diameter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/30—Cold cathodes
    • H01J2201/304—Field emission cathodes
    • H01J2201/30446—Field emission cathodes characterised by the emitter material
    • H01J2201/30453—Carbon types
    • H01J2201/30469—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
    • 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
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Composite Materials (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Catalysts (AREA)
  • Inert Electrodes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Cold Cathode And The Manufacture (AREA)

Abstract

"COMPóSITO POLIMéRICO DE NANOTUBOS, MATERIAL COMPóSITO CERáMICO, ELETRODO DE CéLULA DE COMBUSTìVEL, MATERIAL DE EMISSãO DE CAMPO, DISPOSITIVO DE EMISSãO DE CAMPO, E, COMPóSITO CERáMICO DE NANOTUBOS DE CARBONO". Compósitos de nanotubos de carbono de parede única (SWMTs) e um suporte cerâmico (por exemplo, sílica) compreendendo uma pequena quantidade de metal catalítico, por exemplo cobalto e molibdênio, são descritos. A partícula compreendendo o metal e o suporte cerâmico é usada como o catalisador para a produção dos nanotubos de carbono de parede única. O compósito cerâmico de nanotubos assim produzido pode ser usado 'como preparado' sem purificação adicional, proporcionando vantagens de custos significativas. O compósito cerâmico de nanotubos também tem sido apresentado como tendo propriedades melhoradas versus aquelas de nanotubos de carbono purificados em certas aplicações como dispositivos de emissão de campo. O uso de sílicas precipitadas e defumadas tem resultado em compósitos cerâmicos de nanotubos, os quais podem sinergicamente melhorar as propriedades tanto da cerâmica (por exemplo, sílica) quanto dos nanotubos de carbono de parede única. A adição destes compósitos aos polímeros pode melhorar suas propriedades. Estas propriedades incluem a condutividade térmica, a estabilidade térmica (tolerância à degradação), condutividade elétrica, modificação da cinética de cristalização, resistência, módulo de elasticidade, resistência à fratura, e outras propriedades mecânicas. Outros compósitos cerâmicos de nanotabos podem ser produzidos com base em AL~ 2~O~ 3~, MgO e ZrO~ 2~, por exemplo, os quais são adequados para uma grande variedade de aplicações.
BRPI0409874-9A 2003-04-28 2004-04-28 compósito polimérito de nanotubos, material compósito cerámico, eletrodo de célula de combustìvel, material de emissão de campo, dispositivo de emissão de campo, e, compósito cerámico de nanotubos de carbono BRPI0409874A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46595903P 2003-04-28 2003-04-28
PCT/US2004/012986 WO2004096725A2 (en) 2003-04-28 2004-04-28 Single-walled carbon nanotube-ceramic composites and methods of use

Publications (1)

Publication Number Publication Date
BRPI0409874A true BRPI0409874A (pt) 2006-05-16

Family

ID=33418315

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0409874-9A BRPI0409874A (pt) 2003-04-28 2004-04-28 compósito polimérito de nanotubos, material compósito cerámico, eletrodo de célula de combustìvel, material de emissão de campo, dispositivo de emissão de campo, e, compósito cerámico de nanotubos de carbono

Country Status (5)

Country Link
JP (2) JP2006524631A (pt)
AU (1) AU2004234395A1 (pt)
BR (1) BRPI0409874A (pt)
CA (1) CA2523911A1 (pt)
WO (1) WO2004096725A2 (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7816709B2 (en) 1999-06-02 2010-10-19 The Board Of Regents Of The University Of Oklahoma Single-walled carbon nanotube-ceramic composites and methods of use
US6333016B1 (en) 1999-06-02 2001-12-25 The Board Of Regents Of The University Of Oklahoma Method of producing carbon nanotubes
US20030091496A1 (en) 2001-07-23 2003-05-15 Resasco Daniel E. Method and catalyst for producing single walled carbon nanotubes
US6919064B2 (en) 2000-06-02 2005-07-19 The Board Of Regents Of The University Of Oklahoma Process and apparatus for producing single-walled carbon nanotubes
JP5078053B2 (ja) * 2004-11-29 2012-11-21 昭和電工株式会社 炭素材料を含む熱伝導性複合材料用組成物及びその用途
CN100436367C (zh) * 2005-03-25 2008-11-26 鸿富锦精密工业（深圳）有限公司 陶瓷材料及其制造方法
GB2476916A (en) * 2008-11-18 2011-07-13 Univ Sains Malaysia A process for producing carbon nanotubes (CNTs)
US8273486B2 (en) 2009-01-30 2012-09-25 Honeywell International, Inc. Protecting a PEM fuel cell catalyst against carbon monoxide poisoning
US8377840B2 (en) 2009-02-13 2013-02-19 Babcock & Wilcox Technical Services Y-12, Llc Method of producing catalytic materials for fabricating nanostructures
US8974719B2 (en) * 2009-02-13 2015-03-10 Consolidated Nuclear Security, LLC Composite materials formed with anchored nanostructures
WO2010136899A1 (en) * 2009-05-29 2010-12-02 The Governors Of The University Of Alberta Reinforced composites and methods of making and using thereof
WO2012006621A2 (en) * 2010-07-09 2012-01-12 The Regents Of The University Of Michigan Carbon nanotube hybrid photovoltaics
US10091916B2 (en) * 2016-09-29 2018-10-02 The Boeing Company Fabrication of ceramic matrix composites with carbon nanotubes and graphene
EP4288200A4 (en) * 2021-02-08 2025-10-08 Chasm Advanced Mat Inc CARBON NANOTUBE HYBRID MATERIALS AND METHODS FOR PRODUCING THE HYBRID MATERIALS
CN114760743B (zh) * 2022-04-02 2025-03-28 民吉科技服务(重庆)有限公司 一种多面体离子化合物复合陶瓷及其制备方法和应用以及氧鎓离子激发器
CN116553613B (zh) * 2023-04-07 2025-03-25 华南理工大学 一种铪钽氧化物-单壁碳纳米管复合薄膜及其制备方法和应用
US20250346996A1 (en) * 2024-05-10 2025-11-13 The Government Of The United States Of America, As Represented By The Secretary Of The Navy Temperature Cycling Method for Atomic Layer Deposition on High-Aspect-Ratio and High-Surface-Area Substrates

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998005920A1 (en) * 1996-08-08 1998-02-12 William Marsh Rice University Macroscopically manipulable nanoscale devices made from nanotube assemblies
US6346189B1 (en) * 1998-08-14 2002-02-12 The Board Of Trustees Of The Leland Stanford Junior University Carbon nanotube structures made using catalyst islands
US6692717B1 (en) * 1999-09-17 2004-02-17 William Marsh Rice University Catalytic growth of single-wall carbon nanotubes from metal particles
CA2344180C (en) * 1998-09-18 2008-04-29 William Marsh Rice University Catalytic growth of single-wall carbon nanotubes from metal particles
US6333016B1 (en) * 1999-06-02 2001-12-25 The Board Of Regents Of The University Of Oklahoma Method of producing carbon nanotubes

Also Published As

Publication number Publication date
JP2008195607A (ja) 2008-08-28
CA2523911A1 (en) 2004-11-11
WO2004096725A3 (en) 2005-07-14
JP2006524631A (ja) 2006-11-02
AU2004234395A1 (en) 2004-11-11
WO2004096725A2 (en) 2004-11-11

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired
B15K Others concerning applications: alteration of classification

Ipc: H01M 4/90 (2006.01), B82Y 30/00 (2011.01), B82Y 40