Effect of Fe3+ for Ru4+ substitution in disordered Na1.33Ru0.67O2 cathode for sodium-ion batteries: Structural and electrochemical characterizations

By Siriwardena, Dumindu P.; Fernando, Joseph F. S.; Wang, Tony; Firestein, Konstantin L.; Zhang, Chao; Treifeldt, Joel E. von; Golberg, Dmitri V.
Published in Electrochimica Acta 2019

Abstract

Sodium ruthenium oxides (Na2RuO3 and Na1.33Ru0.67O2) belong to a special Na-rich type of cathode material which show high specific capacities and structural stability. Even though these Na-rich materials possess attractive electrochemical properties, owing to the low abundance of ruthenium (Ru) within the Earth

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