Long-term stability of oxygen surface exchange kinetics of Pr0.8Ca0.2FeO3-δ against SO2-poisoning
Sign Up to like & getrecommendations! Published in 2018 at "Solid State Ionics"
DOI: 10.1016/j.ssi.2018.09.017
Abstract: Abstract The long-term stability of the oxygen exchange kinetics of the Sr- and Co-free solid oxide fuel cell (SOFC) and solid oxide electrolyser cell (SOEC) air electrode material Pr0.8Ca0.2FeO3-δ (PCF82) is investigated by in-situ dc-conductivity… read more here.
Keywords: exchange kinetics; oxygen surface; stability oxygen; exchange ... See more keywords
In situ TEM observations of Oxygen Surface Dynamics in CeO2 Cubes
Sign Up to like & getrecommendations! Published in 2017 at "Microscopy and Microanalysis"
DOI: 10.1017/s1431927617010637
Abstract: The fundamental steps and active sites in the oxygen reduction reaction (ORR) on reducible oxide surfaces is an outstanding fundamental problem in heterogeneous catalysis. For many applications, such as fuel cells, the oxygen exchange reaction… read more here.
Keywords: microscopy; surface; oxygen surface; reaction ... See more keywords
Accelerating oxygen surface exchange
Sign Up to like & getrecommendations! Published in 2020 at "Nature Catalysis"
DOI: 10.1038/s41929-020-00537-2
Abstract: Enhancing the oxygen exchange rate at the surface of oxides through rational design has long been a key goal of researchers pursuing sustainable energy solutions. Now, a simple infiltration method reveals that reaction rates on… read more here.
Keywords: surface exchange; oxygen surface; exchange; accelerating oxygen ... See more keywords
Controlling the magnetism of oxygen surface vacancies in SrTiO3 through charging
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review Materials"
DOI: 10.1103/physrevmaterials.1.044405
Abstract: We discuss, based on first principles calculations, the possibility to tune the magnetism of oxygen vacancies at the (001) surface of strontium titanate $(\mathrm{SrTiO_3}\!)$. The magnetic moment of single and clustered vacancies stemming from Ti-O… read more here.
Keywords: magnetism oxygen; controlling magnetism; oxygen surface; magnetism ... See more keywords