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Synthesis and oxygen transport properties of La0.2Sr0.8Fe1.xTixO3.(x = 0.2, 0.4) intended for syn-gas production

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F09%3APU81585" target="_blank" >RIV/00216305:26210/09:PU81585 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Synthesis and oxygen transport properties of La0.2Sr0.8Fe1.xTixO3.(x = 0.2, 0.4) intended for syn-gas production

  • Original language description

    Perovskites in the system La0.2Sr0.8Fe1-xTixO3-d exhibit high stability at severe reducing conditions and high temperatures. Due to favourable transport properties they are possible candidates both in oxygen permeation applications and anodes in SOFCs. Here we report the processing and oxygen transport properties of two different compositions: La0.2Sr0.8Fe1-xTixO3-d (x = 0.2, 0.4). Single phase powders were synthesized by both spray pyrolysis (SP) and solid state reaction (SSR). The resulting average particle sizes (BET) ranged from 140 nm (SP) to 1090 nm (SSR). Bar shaped samples were prepared by cold isostatic pressing and pressure less sintered between 1200 and 1250oC for 8-12 hours. Final sintered densities ranged from 97 (SSR) to 99% (SP) and grain size was less than 1.5 um. The average thermal expansion coefficients (TEC) varied in the range (13.8 - 14.6) .10-6K-1 at 300-600C and (21.3 - 28.9) .10-6K-1 at 600-800C. Surface exchange coefficients (kchem) and bulk diffusion coeffici

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    JH - Ceramics, fire-proof materials and glass

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/OC09015" target="_blank" >OC09015: Processing of electroceramics from nanopowders - II</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2009

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of the European Ceramic Society

  • ISSN

    0955-2219

  • e-ISSN

  • Volume of the periodical

    30

  • Issue of the periodical within the volume

    2

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    7

  • Pages from-to

  • UT code for WoS article

    000272455600083

  • EID of the result in the Scopus database