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- W4200490618 abstract "Abstract The replacement of Pt/C catalysts with iron−nitrogen−carbon (Fe−N−C) nanomaterials in the oxygen reduction reaction (ORR) is appealing for the large‐scale application of fuel cells. Herein, an extended Stöber method was used to in situ synthesize Fe−N co‐doped porous carbon spheres (Fe−N−Cs) with large surface areas and impressive ORR performance. Fe−N−Cs were synthesized using 3‐aminophenol as N precursor, ferrocenealdehyde (Fc−CHO) as Fe source and crosslinker, and Pluronic F127 as soft template. Among all prepared catalysts, Fe−N−Cs‐1.0 exhibits much enhanced ORR activities. The initial potential and half‐wave potential are 0.992 V, 0.873 V (vs. RHE) and 0.981 V, 0.871 V in alkaline and acidic media, respectively, which are higher than that of commercial Pt/C catalyst (0.986 V, 0.868 V and 0.979 V, 0.843 V). Meanwhile, the methanol tolerance and durability of Fe−N−Cs‐1.0 were far better than Pt/C. This work manifests the Fe−N−Cs electrocatalysts are expected to replace the commercial Pt/C catalyst in the area of ORR." @default.
- W4200490618 created "2021-12-31" @default.
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- W4200490618 date "2022-01-22" @default.
- W4200490618 modified "2023-10-15" @default.
- W4200490618 title "In situ synthesis of Fe‐N co‐doped porous carbon nanospheres by extended Stӧber method for oxygen reduction in both alkaline and acidic media" @default.
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- W4200490618 doi "https://doi.org/10.1002/celc.202101464" @default.
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