Highly accelerated oxygen reduction reaction kinetics in colloidal-processing-derived nanostructured lanthanum strontium cobalt ferrite/gadolinium-doped ceria composite cathode for intermediate-temperature solid oxide fuel cells

2019 ◽  
Vol 414 ◽  
pp. 502-508 ◽  
Author(s):  
Kazuyoshi Sato ◽  
Chizuru Iwata ◽  
Naokatsu Kannari ◽  
Hiroya Abe
Keyword(s):  
Solid Oxide Fuel Cells ◽  
Oxygen Reduction Reaction ◽  
Reaction Kinetics ◽  
Cobalt Ferrite ◽  
Composite Cathode ◽  
Reduction Reaction ◽  
Solid Oxide ◽  
Doped Ceria ◽  
Oxide Fuel ◽  
Lanthanum Strontium

Tailoring defect chemistry at interfaces for promoted oxygen reduction reaction kinetics

2020 ◽  
Vol 8 (44) ◽  
pp. 23313-23322
Author(s):  
Seo Ju Kim ◽  
Ja Yang Koo ◽  
Taeeun Mun ◽  
Mingi Choi ◽  
Wonyoung Lee
Keyword(s):  
Fuel Cells ◽  
Electrochemical Performance ◽  
Solid Oxide Fuel Cells ◽  
Oxygen Reduction Reaction ◽  
Reaction Kinetics ◽  
Oxygen Reduction ◽  
Defect Chemistry ◽  
Reduction Reaction ◽  
Solid Oxide ◽  
Oxide Fuel

Engineering the defect chemistry at the interface between the electrolyte and the electrode is crucial to facilitate oxygen reduction reaction, thereby improve the electrochemical performance of intermediate temperature solid oxide fuel cells.

A perovskite-type Nd0.75Sr0.25Co0.8Fe0.2O3−δ cathode for advanced solid oxide fuel cells

2019 ◽  
Vol 55 (26) ◽  
pp. 3713-3716 ◽  
Author(s):  
Suresh Mulmi ◽  
Venkataraman Thangadurai
Keyword(s):  
Solid Oxide Fuel Cells ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Chemical Stability ◽  
Polarization Resistance ◽  
Composite Cathode ◽  
Reduction Reaction ◽  
Solid Oxide ◽  
Oxide Fuel ◽  
Perovskite Type

Perovskite-type Nd0.75Sr0.25Co0.8Fe0.2O3−δ (NSCF) has shown excellent oxygen reduction reaction properties (an area specific polarization resistance of 0.1 Ω cm2 at 700 °C) as a composite cathode (30 wt% La0.8Sr0.2Ga0.8Mg0.2O3−δ (LSGM)) with remarkable chemical stability under CO2.

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