ES2540981T3 - Sistema estratificado de ánodo para aplicaciones electroquímicas, así como procedimiento para su fabricación - Google Patents

Sistema estratificado de ánodo para aplicaciones electroquímicas, así como procedimiento para su fabricación Download PDF

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Publication number
ES2540981T3
ES2540981T3 ES13002420.1T ES13002420T ES2540981T3 ES 2540981 T3 ES2540981 T3 ES 2540981T3 ES 13002420 T ES13002420 T ES 13002420T ES 2540981 T3 ES2540981 T3 ES 2540981T3
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stratified
well
electrochemical applications
manufacturing process
anode system
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Feng Han
Norbert H. Menzler
Hans Peter Buchkremer
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Forschungszentrum Juelich GmbH
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Forschungszentrum Juelich GmbH
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/02—Preparation of oxygen
    • C01B13/0229—Purification or separation processes
    • C01B13/0248—Physical processing only
    • C01B13/0251—Physical processing only by making use of membranes
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/007—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof characterised by the pore distribution, e.g. inhomogeneous distribution of pores
    • C04B38/0074—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof characterised by the pore distribution, e.g. inhomogeneous distribution of pores expressed as porosity percentage
    • 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
    • H01M4/861—Porous electrodes with a gradient in the porosity
    • 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
    • H01M4/8825—Methods for deposition of the catalytic active composition
    • H01M4/8828—Coating with slurry or ink
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/00413—Materials having an inhomogeneous concentration of ingredients or irregular properties in different layers
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00853—Uses not provided for elsewhere in C04B2111/00 in electrochemical cells or batteries, e.g. fuel cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M12/00—Hybrid cells; Manufacture thereof
    • H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
    • H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
    • 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
    • H01M2008/1293—Fuel cells with solid oxide electrolytes
    • 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
    • H01M4/8889—Cosintering or cofiring of a catalytic active layer with another type of layer
    • 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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Composite Materials (AREA)
  • Inert Electrodes (AREA)
  • Fuel Cell (AREA)

Abstract

Sistema estratificado de ánodo poroso para aplicaciones electroquímicas que comprende al menos dos capas, en donde la primera capa, como capa de soporte, presenta dióxido de zirconio, y la segunda capa, como capa funcional prevista para el contacto con un electrolito, presenta óxido de cerio dotado, caracterizado por que - el sistema estratificado de ánodo poroso presenta una porosidad total de al menos 30% en vol., y por que - tanto la primera como la segunda capa presenta adicionalmente óxido de níquel con una proporción de 20 - 80% en peso o níquel.

Description

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E13002420
25-06-2015
Las investigaciones respecto a la conductividad tuvieron lugar como se recoge en lo que sigue. En los dos sistemas se midió la conductividad eléctrica, en cada caso transversalmente al sistema estratificado. La conductividad eléctrica del ánodo se midió con ayuda de una disposición de medición de 4 puntos en función de la temperatura. Para ello, las muestras se pusieron en contacto en estado sinterizado final y reducido con hilo de plata y barniz conductor de plata. A través de la separación de la toma variable de la tensión de la aportación de corriente, la resistencia de la tubería de alimentación no se incorpora en el resultado de la medición. Después de determinar la anchura, altura y longitud de las muestras tuvo lugar, a continuación, bajo condiciones reductoras en la atmósfera de Ar/H2 al 4% en el intervalo de temperaturas de la temperatura ambiente hasta 900 ºC, la medición de la conductividad eléctrica. En cada uno de los puntos de medición se registró la caída de tensión con ayuda de un multímetro. A partir de las dimensiones de las muestras determinadas en cada caso en tres puntos y de los valores para la intensidad de corriente I y la tensión U resultó la conductividad eléctrica.
En una aproximación, los resultados del ensayo de los dos sistemas estratificados a comparar eran asimismo equiparables. Las conductividades se movían en cada caso en torno a aprox. 10.000 S/cm a la temperatura ambiente, de modo que se pudo comprobar la idoneidad en principio del sistema estratificado de ánodo de acuerdo con la invención.
Documentos citados en la solicitud:
[1]
A. Tsoga, A. Gupta, A. Naomidis, D. Skarmoutsos,
P.
Nikolopoulos, "Performance of a Double-Layer CGO/YSZ Elektolyte for Solid Oxide Fuel Cell", lonics Vol. 4 (1998) 234 -240.
[2]
C. Brahim, A. Ringuede, E. Gourba, M. Cassir,
A.
Billard, P. Briois, "Electrical properties of thin bilayered YSZ/GDC SOFC electrolyte elaborated by sputtering", Journal of Power Sources Vol.: 156, Cuaderno: 1 (2006) 45 -49.
[3]
M. Lang, P. Szabo, Z. Ilhan, S. Cinque, T. Franco,
G.
Schiller, "Development of solid oxide fuel cells and short stacks for mobile application", J. Fuel Cell Science and Technology Vol. 4 (4) (2007), 384 -391.
[4] A. Tsoga, A. Gupta, A. Naomidis, P. Nikolopoulos, "Gadolinia-doped ceria and yttriastabilized zirkonia interfaces: regarding their application for SOFC technology", Acta mater, Vol. 48 (2000) 4709 -4714.
[5] V. A. C. Haanappel, M. J. Smith, "A review of standardising SOFC measurement and quality assurance at FZJ", J. Power Sources 171 (2007), 169 -178.
8

Claims (1)

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ES13002420.1T 2012-06-02 2013-05-07 Sistema estratificado de ánodo para aplicaciones electroquímicas, así como procedimiento para su fabricación Active ES2540981T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012011081A DE102012011081A1 (de) 2012-06-02 2012-06-02 Anoden-Schichtsystem für elektrochemische Anwendungen sowie Verfahren zur Herstellung desselben
DE102012011081 2012-06-02

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Publication Number Publication Date
ES2540981T3 true ES2540981T3 (es) 2015-07-15

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DE (1) DE102012011081A1 (es)
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ES (1) ES2540981T3 (es)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK2748884T3 (da) * 2011-08-25 2020-02-17 Univ Florida Fastoxid-brændselscelle med komposit-anode med forbedret mekanisk integritet og forøget effektitivet
CN104466199B (zh) * 2014-12-10 2016-09-07 哈尔滨工业大学 一种固体氧化物燃料电池双层阳极的制备方法
CN110407577B (zh) * 2019-07-26 2022-05-17 深圳市富济新材料科技有限公司 陶瓷薄膜材料、催化电极及其制备方法和应用

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080138669A1 (en) * 2005-03-24 2008-06-12 Ohio University Sulphur-Tolerant Anode For Solid Oxide Fuel Cell
US20070141422A1 (en) * 2005-12-16 2007-06-21 Saint-Gobain Ceramics & Plastics, Inc. Fuel cell component having an electrolyte dopant
DE102006030393A1 (de) * 2006-07-01 2008-01-03 Forschungszentrum Jülich GmbH Keramische Werkstoffkombination für eine Anode für eine Hochtemperatur-Brennstoffzelle
US20080254336A1 (en) * 2007-04-13 2008-10-16 Bloom Energy Corporation Composite anode showing low performance loss with time
JP5398904B2 (ja) * 2009-03-16 2014-01-29 コリア・インスティテュート・オブ・サイエンス・アンド・テクノロジー 気孔傾斜構造のナノ気孔性層を含む燃料極支持型固体酸化物燃料電池及びその製造方法
JP5547188B2 (ja) * 2009-06-29 2014-07-09 本田技研工業株式会社 電解質・電極接合体の製造方法

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DE102012011081A1 (de) 2013-12-05
DK2669984T3 (en) 2015-06-15
EP2669984A3 (de) 2013-12-11
EP2669984B1 (de) 2015-04-22

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