Development of redox stable, bi-functional cathodes for reversible solid oxide cells

Conference Paper uoadl:3352112 69 Read counter

Original Title:
Development of redox stable, bi-functional cathodes for reversible solid oxide cells
Languages of Item:
English
Creator:
Zarkadoulas, Athanasios
Stathopoulos, Vassilis
Kyriakou, Vasileios
Affiliation:
Engineering and Technology Institute Groningen (ENTEG), University of Groningen, Netherlands
Laboratory of Chemistry and Materials Technology, National and Kapodistrian University of Athens, Psachna Campus, Evia, Greece
Abstract:
The use of fossil fuels is widely considered as the primary cause of global warming due to the
resulting greenhouse gas emissions. This has led to a pressing need to transition towards more
sustainable and environmentally friendly alternative fuels. Solid oxide electrolytic cells (SOECs)
offer an efficient way to recover CO2 emissions from heavy industry and transportation that
have been released into the atmosphere. SOECs are known for their high efficiency compared
to other alternatives. Our aim is to develop A-site deficient perovskite materials of exceptional
redox stability and tailored ionic-electronic conducting properties for efficient syngas
production in reversible solid oxide electrolysis/fuel cells, utilizing the reaction
CO2 + H2O ⇄ CO + H2 + O2. Several candidate cathode materials have been prepared, utilizing
the LSCM (La, Sr, Cr, X) formulation of perovskite oxide material, with the general formula La0.75Sr0.25Cr0.5X0.5O3-δ (X=Mn, Fe). Several B-site doping strategies in A-site deficient perovskites have also been employed, with the ultimate goal of studying the formation of
mono- or multi-metallic nanoparticles obtained after exsolution.
Funding: A.Z. expresses gratitude for the support provided by the Bodossaki Foundation
through a scholarship in the 'Stamatis G. Mantzavinos' Memorial Postdoctoral Scholarships
Programme.
Keywords:
solid oxyde cells
sustainable fuels
renewable energy sources
Pages (from-to):
13-14
Notes:
Includes bibliographical references:
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