Fig. 1: Schematic illustration of different approaches for fabricating biomass-derived Fe SACs. | Nature Communications

Fig. 1: Schematic illustration of different approaches for fabricating biomass-derived Fe SACs.

From: Achieving pH-universal oxygen electrolysis via synergistic density and coordination tuning over biomass-derived Fe single-atom catalyst

Fig. 1

a Preparation of bacterial cellulose supported precursors. b Traditional pyrolysis way for SAC fabrication. The obtained SACs generally exhibit a high content of Fe-O coordination and low atom density. c The proposed CA approach for SAC fabrication.

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