DE69403294T2 - Stabile Luftelektrode für hochtemperatur elektrochemische Zellen mit Festoxidelektrolyt - Google Patents

Stabile Luftelektrode für hochtemperatur elektrochemische Zellen mit Festoxidelektrolyt

Info

Publication number
DE69403294T2
DE69403294T2 DE69403294T DE69403294T DE69403294T2 DE 69403294 T2 DE69403294 T2 DE 69403294T2 DE 69403294 T DE69403294 T DE 69403294T DE 69403294 T DE69403294 T DE 69403294T DE 69403294 T2 DE69403294 T2 DE 69403294T2
Authority
DE
Germany
Prior art keywords
air electrode
electrode
electrolyte
chemical formula
porous
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69403294T
Other languages
German (de)
English (en)
Other versions
DE69403294D1 (de
Inventor
Lewis J H Kuo
Roswell J Ruka
Theodore R Vasilow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of DE69403294D1 publication Critical patent/DE69403294D1/de
Application granted granted Critical
Publication of DE69403294T2 publication Critical patent/DE69403294T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/016—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on manganites
    • 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
    • H01M4/90—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
    • H01M4/9016—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
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3227—Lanthanum oxide or oxide-forming salts thereof
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/76—Crystal structural characteristics, e.g. symmetry
    • C04B2235/768—Perovskite structure ABO3
    • 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
    • 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
    • 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)
  • Materials Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inert Electrodes (AREA)
  • Fuel Cell (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
DE69403294T 1993-08-16 1994-08-11 Stabile Luftelektrode für hochtemperatur elektrochemische Zellen mit Festoxidelektrolyt Expired - Fee Related DE69403294T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10685393A 1993-08-16 1993-08-16

Publications (2)

Publication Number Publication Date
DE69403294D1 DE69403294D1 (de) 1997-06-26
DE69403294T2 true DE69403294T2 (de) 1997-12-11

Family

ID=22313613

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69403294T Expired - Fee Related DE69403294T2 (de) 1993-08-16 1994-08-11 Stabile Luftelektrode für hochtemperatur elektrochemische Zellen mit Festoxidelektrolyt

Country Status (6)

Country Link
EP (1) EP0639866B1 (enExample)
JP (1) JPH0794191A (enExample)
KR (1) KR950007179A (enExample)
CA (1) CA2117507A1 (enExample)
DE (1) DE69403294T2 (enExample)
TW (1) TW266334B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2182069C (en) * 1995-08-24 2002-04-09 Victor P. Crome Modular ceramic oxygen generator
US5759936A (en) * 1996-03-21 1998-06-02 Haldor Topsoe As Lanthanide ceramic material
US5993989A (en) * 1997-04-07 1999-11-30 Siemens Westinghouse Power Corporation Interfacial material for solid oxide fuel cell
US6824907B2 (en) * 2002-01-16 2004-11-30 Alberta Reasearch Council, Inc. Tubular solid oxide fuel cell stack
KR20120140476A (ko) * 2011-06-21 2012-12-31 삼성전자주식회사 고체산화물 연료전지용 소재, 상기 소재를 포함하는 캐소드 및 상기 소재를 포함하는 고체산화물 연료전지
JP2020149888A (ja) * 2019-03-14 2020-09-17 東邦瓦斯株式会社 空気極材料、空気極、および固体酸化物形燃料電池

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4562124A (en) * 1985-01-22 1985-12-31 Westinghouse Electric Corp. Air electrode material for high temperature electrochemical cells
JP2511095B2 (ja) * 1988-02-05 1996-06-26 三菱重工業株式会社 電極材料
JPH02236959A (ja) * 1989-03-09 1990-09-19 Mitsubishi Heavy Ind Ltd 電極材料
DE4406276B4 (de) * 1993-02-26 2007-10-11 Kyocera Corp. Elektrisch leitendes Keramikmaterial

Also Published As

Publication number Publication date
EP0639866A1 (en) 1995-02-22
DE69403294D1 (de) 1997-06-26
EP0639866B1 (en) 1997-05-21
CA2117507A1 (en) 1995-02-17
TW266334B (enExample) 1995-12-21
KR950007179A (ko) 1995-03-21
JPH0794191A (ja) 1995-04-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee