DK0897895T3 - Process for preparing a ceramic powder for an electrolyte in a high temperature fuel cell - Google Patents

Process for preparing a ceramic powder for an electrolyte in a high temperature fuel cell

Info

Publication number
DK0897895T3
DK0897895T3 DK97114219T DK97114219T DK0897895T3 DK 0897895 T3 DK0897895 T3 DK 0897895T3 DK 97114219 T DK97114219 T DK 97114219T DK 97114219 T DK97114219 T DK 97114219T DK 0897895 T3 DK0897895 T3 DK 0897895T3
Authority
DK
Denmark
Prior art keywords
electrolyte
fuel cell
high temperature
ceramic powder
temperature fuel
Prior art date
Application number
DK97114219T
Other languages
Danish (da)
Inventor
Hermann Schichl
Manfred Schnoeller
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of DK0897895T3 publication Critical patent/DK0897895T3/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • C01G25/02—Oxides
    • 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
    • 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
    • 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

Abstract

A method of making a ceramic powder (22), for producing the ion conductive electrolyte of a high temperature fuel cell, involves (A) mixing a metal alcoholate solution (12) and a metal salt solution (13) and adding water to form a gel (14); (B) thermally decomposing the gel to form a xerogel (18); (C) pulverizing the xerogel to a ceramic powder (22); and (D) calcining the powder (22). Also claimed is a high temperature fuel cell with an electrolyte produced by the above method, the electrolyte preferably containing 8-13 mol% of one or more of scandium oxide (Sc2O3), yttrium oxide (Y2O3) and ytterbium oxide (Yb2O3).
DK97114219T 1997-08-18 1997-08-18 Process for preparing a ceramic powder for an electrolyte in a high temperature fuel cell DK0897895T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97114219A EP0897895B1 (en) 1997-08-18 1997-08-18 Process for the preparation of a ceramic powder for an electrolyte of a high temperature fuel cell and high temperature fuel cell

Publications (1)

Publication Number Publication Date
DK0897895T3 true DK0897895T3 (en) 2001-11-19

Family

ID=8227231

Family Applications (1)

Application Number Title Priority Date Filing Date
DK97114219T DK0897895T3 (en) 1997-08-18 1997-08-18 Process for preparing a ceramic powder for an electrolyte in a high temperature fuel cell

Country Status (4)

Country Link
EP (1) EP0897895B1 (en)
AT (1) ATE201660T1 (en)
DE (1) DE59703678D1 (en)
DK (1) DK0897895T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110600777B (en) * 2018-06-12 2023-03-10 阜阳师范学院 Double-doped zirconium dioxide and alkali metal salt compound and preparation method thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2475531A1 (en) * 1980-02-08 1981-08-14 Commissariat Energie Atomique PROCESS FOR THE PREPARATION OF STABILIZED ZIRCONIC SOLID ELECTROLYTE PARTS AND THE PARTS OBTAINED THEREBY
US4649037A (en) * 1985-03-29 1987-03-10 Allied Corporation Spray-dried inorganic oxides from non-aqueous gels or solutions
US4845056A (en) * 1987-10-09 1989-07-04 Allied-Signal Inc. Continuous process for production of fine particulate ceramics
IT1241403B (en) * 1990-03-02 1994-01-14 Eniricerche Spa PROCEDURE FOR THE PREPARATION OF MIXED ZIRCONIUM AND YELLOW OXIDES
JPH06199569A (en) * 1992-11-06 1994-07-19 Tokyo Gas Co Ltd Production of zirconia and zirconia molding stabilized with yttria
JP3392976B2 (en) * 1995-04-03 2003-03-31 リンナイ株式会社 Fuel cell manufacturing method

Also Published As

Publication number Publication date
ATE201660T1 (en) 2001-06-15
EP0897895B1 (en) 2001-05-30
EP0897895A1 (en) 1999-02-24
DE59703678D1 (en) 2001-07-05

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