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Abstract At present, biomass materials have the characteristics of low cost, stability, and relatively high activity, which is expected to replace platinum-based (Pt) materials as cathode catalysts. In this paper, Zn, Fe-N-C catalyst materials and Fe-N-C catalyst were composited by high-temperature calcination. Their crystal and morphological structures were featured by X-ray diffraction instruments (XRD) and scanning electron microscopy (SEM). Their activity and stability to oxygen reduction were tested by an electrochemical workstation, and it was found that Zn, Fe-N-C catalyst materials had the best performance. The investigation of this paper can furnish an effective method for oxygen reduction reaction catalysts.
Ren et al. (Wed,) studied this question.