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- W4311806311 abstract "In this study, a class of non-precious metal catalyst for oxygen reduction reaction (ORR), namely N-doped porous carbon accompanied with Fe 2 O 3 (herein named as AC-4), is synthesized from one-step pyrolyzing the precursors of KOH, coal, Fe salt and melamine, followed by acid-leaching. Several catalysts, AC-1 from KOH + coal, AC-2 from KOH + coal + melamine and AC-3 from KOH + coal + Fe salt, are also shown for comparison. As a result, AC-4 provides the best ORR catalytic activity with the ORR peak potential (E p ) of 818 mV, followed by the order of AC-2 (783 mV) > AC-3 (775 mV) > AC-1(771 mV), meaning that the N-doping strategy plays more effect than the Fe 2 O 3 -doping method, and AC-4 has the synergetic effect of these two ways. Furthermore, the ORR mechanism on AC-4 is near a four-electron transfer pathway with the electron transfer number around 3.7–3.9. It also has a good stability and methanol-resistance. Structure measurements display that introduction of N heteroatom and/or metal can increase the disorder degree of AC, and AC-4 has a structure of N-doped porous carbon (the special surface area of 1193 m 2 g −1 ) accompanied with Fe 2 O 3 ." @default.
- W4311806311 created "2022-12-28" @default.
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- W4311806311 date "2022-12-01" @default.
- W4311806311 modified "2023-09-24" @default.
- W4311806311 title "Coal-Derived N-Doped Porous Carbon Accompanied with Fe<sub>2</sub>O<sub>3</sub> for Oxygen Reduction Reaction" @default.
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- W4311806311 doi "https://doi.org/10.1149/1945-7111/aca88a" @default.
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