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@BOOK{Schlehuber:136214,
author = {Schlehuber, Dominic},
title = {{S}auerstofftransport und {D}egradationsverhalten von
{H}ochtemperaturmembranen für {CO}$_{2}$-freie
{K}raftwerke},
volume = {65},
school = {RWTH Aachen},
type = {Dr.},
address = {Jülich},
publisher = {Forschungszentrum Jülich GmbH Zentralbibliothek, Verlag},
reportid = {PreJuSER-136214},
isbn = {978-3-89336-630-9},
series = {Schriften des Forschungszentrums Jülich. Reihe Energie und
Umwelt / Energy und Environment},
pages = {VII, 139 S.},
year = {2010},
note = {Record converted from JUWEL: 18.07.2013; RWTH Aachen,
Diss., 2010},
abstract = {This thesis deals with membranes for oxygen separation from
air for high temperature application in fossil power plants
within the scope of the oxyfuel-process. Different
perovskite membrane materials (ABO$_{3- \delta}$) were
investigated concerning the oxygen transport and their
chemical stability under operation condition. The
association between oxygen transport properties and both the
thermodynamic boundary conditions as well as the material
properties (membrane thickness and surface properties) was
studied. One possibility to achieve higher oxygen fluxes
through the membrane is to reduce the thickness. In this
case the influence of surface processes on the overall
permeation becomes noteworthy. The effect of different
membrane surface modifications on the permeation rate was
investigated. For example it could be confirmed, that a
porous layer on the membrane surface significantly increases
the permeation flux due to the compensation of surface
exchange limitations. Beyond that, degradation processes
during the operation under power plant condition were
investigated. Special attention was attached to the
influence of degradation on the permeation flux during long
term operation. Thereby kinetic demixing of the membrane
material was observed.},
cin = {IEF / IEF-2},
ddc = {500},
cid = {I:(DE-Juel1)VDB1115 / I:(DE-Juel1)VDB810},
shelfmark = {EBA - Energy production, energy technology / EBA -
Energieerzeugung, Energietechnologie},
typ = {PUB:(DE-HGF)3},
url = {https://juser.fz-juelich.de/record/136214},
}