TY - JOUR
T1 - Facile auto-combustion synthesis for oxygen separation membrane application
AU - Ge, Lei
AU - Ran, Ran
AU - Zhou, Wei
AU - Shao, Zongping
AU - Liu, Shaomin
AU - Jin, Wanqin
AU - Xu, Nanping
PY - 2009/3/5
Y1 - 2009/3/5
N2 - The potential application of combustion synthesis of La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF) based on a modified ethylenediaminetetraacetic acid (EDTA)-citrate complexing method with NH4NO3 as combustion aid for ceramic oxygen separation membrane was systematically investigated. Depending on the relative amount of NH4NO3 applied during the synthesis, the combustion can proceed in three different modes: self-propagating combustion, volumetric combustion and smothering combustion. As a whole, electrical conductivity and oxygen permeation fluxes of derived LSCF membrane increased with sintering temperature (1000-1300 °C). Among three different combustion modes, LSCF from self-propagating combustion showed the highest sintering ability, electrical conductivity and oxygen permeability. Under optimized conditions, the derived membrane exhibited the permeation fluxes comparable to that of LSCF membrane prepared from the normal EDTA-citrate complexing method.
AB - The potential application of combustion synthesis of La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF) based on a modified ethylenediaminetetraacetic acid (EDTA)-citrate complexing method with NH4NO3 as combustion aid for ceramic oxygen separation membrane was systematically investigated. Depending on the relative amount of NH4NO3 applied during the synthesis, the combustion can proceed in three different modes: self-propagating combustion, volumetric combustion and smothering combustion. As a whole, electrical conductivity and oxygen permeation fluxes of derived LSCF membrane increased with sintering temperature (1000-1300 °C). Among three different combustion modes, LSCF from self-propagating combustion showed the highest sintering ability, electrical conductivity and oxygen permeability. Under optimized conditions, the derived membrane exhibited the permeation fluxes comparable to that of LSCF membrane prepared from the normal EDTA-citrate complexing method.
KW - Combustion synthesis
KW - Electrical conductivity
KW - LaSrCoFeO
KW - Oxygen permeability
KW - Perovskite membranes
UR - http://www.scopus.com/inward/record.url?scp=59849114922&partnerID=8YFLogxK
U2 - 10.1016/j.memsci.2008.12.040
DO - 10.1016/j.memsci.2008.12.040
M3 - 文章
AN - SCOPUS:59849114922
SN - 0376-7388
VL - 329
SP - 219
EP - 227
JO - Journal of Membrane Science
JF - Journal of Membrane Science
IS - 1-2
ER -