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Bimetallic cobalt‐based spinel is sparking much interest, most notably for its excellent bifunctional performance. However, the effect of Fe3+ doping in Co3O4 spinel remains poorly understood, mainly because the surface state of a catalyst is difficult to characterize. Herein, a bifunctional oxygen electrode composed of spinel Co2FeO4/(Co0.72Fe0.28)Td(Co1.28Fe0.72)OctO4 nanoparticles grown on N‐doped...
In dem Hybridspinell Co2FeO4 können die Fe3+‐Ionen die Co3+‐Ionen durch 3d‐Elektronendelokalisierung und Spinzustandsübergang effektiv aktivieren. Wie Z.‐Q. Liu, T. Ma und Mitarbeiter in ihrer Zuschrift auf S. 13425 berichten, ist eine bifunktionelle Elektrode bestehend aus diesen Co2FeO4‐Nanopartikeln auf N‐dotierten Kohlenstoffnanoröhren ein verheißungsvoller Kandidat für Zink‐Luft‐Batterien.
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