BRPI0414240A - métodos para fabricar uma célula de combustìvel de óxido sólido e uma pilha de células de combustìvel de óxido sólido, e, célula de combustìvel de óxido sólido - Google Patents

métodos para fabricar uma célula de combustìvel de óxido sólido e uma pilha de células de combustìvel de óxido sólido, e, célula de combustìvel de óxido sólido

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Publication number
BRPI0414240A
BRPI0414240A BRPI0414240-3A BRPI0414240A BRPI0414240A BR PI0414240 A BRPI0414240 A BR PI0414240A BR PI0414240 A BRPI0414240 A BR PI0414240A BR PI0414240 A BRPI0414240 A BR PI0414240A
Authority
BR
Brazil
Prior art keywords
fuel cell
solid oxide
oxide fuel
electrolyte
electrode
Prior art date
Application number
BRPI0414240-3A
Other languages
English (en)
Inventor
Donald A Seccombe
Gary Orbeck
Srikanth Gopalan
Uday B Pal
Original Assignee
Btu Int
Univ Boston
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 Btu Int, Univ Boston filed Critical Btu Int
Publication of BRPI0414240A publication Critical patent/BRPI0414240A/pt

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    • 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
    • H01M4/9016—Oxides, hydroxides or oxygenated metallic salts
    • H01M4/9025—Oxides specially used in fuel cell operating at high temperature, e.g. SOFC
    • H01M4/9033—Complex oxides, optionally doped, of the type M1MeO3, M1 being an alkaline earth metal or a rare earth, Me being a metal, e.g. perovskites
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • 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
    • 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
    • H01M4/8657—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites layered
    • 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
    • H01M4/88—Processes of manufacture
    • 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
    • H01M4/8885—Sintering or firing
    • 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
    • H01M4/9016—Oxides, hydroxides or oxygenated metallic salts
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
    • H01M8/1213—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the electrode/electrolyte combination or the supporting material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
    • H01M8/124—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte
    • H01M8/1246—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0017—Non-aqueous electrolytes
    • H01M2300/0065—Solid electrolytes
    • H01M2300/0068—Solid electrolytes inorganic
    • H01M2300/0071—Oxides
    • H01M2300/0074—Ion conductive at high temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0017—Non-aqueous electrolytes
    • H01M2300/0065—Solid electrolytes
    • H01M2300/0068—Solid electrolytes inorganic
    • H01M2300/0071—Oxides
    • H01M2300/0074—Ion conductive at high temperature
    • H01M2300/0077—Ion conductive at high temperature based on zirconium oxide
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0088—Composites
    • H01M2300/0094—Composites in the form of layered products, e.g. coatings
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Composite Materials (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Inert Electrodes (AREA)
  • Fuel Cell (AREA)

Abstract

"MéTODOS PARA FABRICAR UMA CéLULA DE COMBUSTìVEL DE óXIDO SóLIDO E UMA PILHA DE CéLULAS DE COMBUSTìVEL DE óXIDO SóLIDO, E, CéLULA DE COMBUSTìVEL DE óXIDO SóLIDO". A presente invenção provê um método para fabricar de modo conveniente uma célula de combustível de óxido sólido (SOFC) em um custo que é menor do que quinhentos dólares americanos por kilowatt de eletricidade. O método compreende formar uma camada de eletrodo e depositar um material de eletrólito sobre a superfície do eletrodo. A estrutura formada é uma bi-camada de eletrodo-eletrólito. Um segundo eletrodo é depositado sobre esta bi-camada para formar uma estrutura de célula de combustível de múltiplas camadas compreendendo um eletrólito posicionado entre dois eletrodos. Esta estrutura em múltiplas camadas é então aquecida e queimada em um único ciclo térmico para remover quaisquer materiais aglutinantes e sinterizar, respectivamente, a célula de combustível. Este ciclo térmico pode ser realizado em um forno tendo uma ou mais câmaras. A(s) câmara(s) preferivelmente contém uma fonte de microondas de freqüência variável ou múltipla para o aquecimento da célula e remoção dos materiais aglutinantes nas estruturas de eletrólito e eletrodo. A(s) câmara(s) também preferivelmente incluem uma fonte de convecção e/ou radiação para sinterizar a célula de combustível. Além disso, o método da invenção harmoniza e minimiza o desvio dentre as propriedades termofísicas das estruturas de eletrólito e eletrodo. Esta harmonização reduz e minimiza o gradiente de temperatura dentro da célula, de modo que a estrutura pode ser aquecida de modo uniforme e queimada durante o ciclo térmico. A estrutura de múltiplas camadas também improvavelmente irá deformar e fraturar por minimização do gradiente de temperatura na célula. Uma SOFC também pode ser fabricada pelo presente método em um tempo de menor ordem de grandeza do que os processos padrões.
BRPI0414240-3A 2003-09-10 2004-09-10 métodos para fabricar uma célula de combustìvel de óxido sólido e uma pilha de células de combustìvel de óxido sólido, e, célula de combustìvel de óxido sólido BRPI0414240A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US50174203P 2003-09-10 2003-09-10
PCT/US2004/029571 WO2005027239A2 (en) 2003-09-10 2004-09-10 Process for solid oxide fuel cell manufature

Publications (1)

Publication Number Publication Date
BRPI0414240A true BRPI0414240A (pt) 2006-10-31

Family

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BRPI0414240-3A BRPI0414240A (pt) 2003-09-10 2004-09-10 métodos para fabricar uma célula de combustìvel de óxido sólido e uma pilha de células de combustìvel de óxido sólido, e, célula de combustìvel de óxido sólido

Country Status (11)

Country Link
US (1) US7485385B2 (pt)
EP (1) EP1671385B1 (pt)
JP (1) JP5015598B2 (pt)
KR (1) KR101136191B1 (pt)
CN (1) CN101061596B (pt)
AU (1) AU2004272186B8 (pt)
BR (1) BRPI0414240A (pt)
CA (1) CA2538224C (pt)
CR (1) CR8281A (pt)
RU (1) RU2362239C2 (pt)
WO (1) WO2005027239A2 (pt)

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KR101136191B1 (ko) 2012-04-17
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US20050089739A1 (en) 2005-04-28
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