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

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

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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 coefficients (Dchem) in 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 coefficients (Dchem) in (en)
Title	Synthesis and oxygen transport properties of La0.2Sr0.8Fe1.xTixO3.(x = 0.2, 0.4) intended for syn-gas production Synthesis and oxygen transport properties of La0.2Sr0.8Fe1.xTixO3.(x = 0.2, 0.4) intended for syn-gas production (en)
skos:prefLabel	Synthesis and oxygen transport properties of La0.2Sr0.8Fe1.xTixO3.(x = 0.2, 0.4) intended for syn-gas production Synthesis and oxygen transport properties of La0.2Sr0.8Fe1.xTixO3.(x = 0.2, 0.4) intended for syn-gas production (en)
skos:notation	RIV/00216305:26210/09:PU81585!RIV10-MSM-26210___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(OC09015), Z(MSM0021630508)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Bartoníčková, Eva Maca, Karel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta strojního inženýrství
http://linked.open...dnocenehoVysledku	345077
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/09:PU81585
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Powders-solid state reaction, spray pyrolysis, electrical properties, thermal expansion, perovskites (en)
http://linked.open.../riv/klicoveSlovo	perovskites thermal expansion electrical properties Powders-solid state reaction spray pyrolysis
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[3E91C852A09F]
http://linked.open...i/riv/nazevZdroje	Journal of the European Ceramic Society
http://linked.open...in/vavai/riv/obor	JH
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Processing of electroceramics from nanopowders - II
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	30
http://linked.open...iv/tvurceVysledku	Maca, Karel Bartoníčková, Eva Lein, Hilde L. Rudberg, Espen A. Wiik, Kjell
http://linked.open...ain/vavai/riv/wos	000272455600083
http://linked.open...n/vavai/riv/zamer	Anorganické nanomateriály a nanostruktury: vytváření, analýza, vlastnosti
issn	0955-2219
number of pages	7 (xsd:int)
http://localhost/t...ganizacniJednotka	26210
is http://linked.open...avai/riv/vysledek of	Synthesis and oxygen transport properties of La0.2Sr0.8Fe1.xTixO3.(x = 0.2, 0.4) intended for syn-gas production Synthesis and oxygen transport properties of La0.2Sr0.8Fe1.xTixO3.(x = 0.2, 0.4) intended for syn-gas production Synthesis and oxygen transport properties of La0.2Sr0.8Fe1.xTixO3.(x = 0.2, 0.4) intended for syn-gas production Synthesis and oxygen transport properties of La0.2Sr0.8Fe1.xTixO3.(x = 0.2, 0.4) intended for syn-gas production

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