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- W4313531954 endingPage "156317" @default.
- W4313531954 startingPage "156317" @default.
- W4313531954 abstract "Electrocatalysts based on nanosized cobalt or nickel particles encapsulated by nitrogen-doped carbon nanotubes ([email protected] (M = Co or Ni)) were synthesized using the calcination method. They were served as the catalyst toward an oxygen reduction reaction (ORR). The results implied that the [email protected] electrocatalysts had ORR catalytic activity in an alkaline electrolyte. The half-wave potential (E1/2) on the [email protected] catalyst reached 0.881 V, which was higher than for commercial Pt/C (0.856 V). The [email protected] electrocatalysts exhibited good stability in the ORR. After 3000 cycles, the E1/2 for the [email protected] was almost completely unchanged, whereas for the [email protected], shifted negatively to 19 mV, was less than for commercial Pt/C (34 mV). These promising electrochemical properties were due to abundant active carbon sites and the synergistic reaction between Co/Ni and NCNTs. Density functional theory calculations indicated that the OOH had strong absorption on the C atoms (adjacent to pyridinic N) in the [email protected] and [email protected] catalysts." @default.
- W4313531954 created "2023-01-06" @default.
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- W4313531954 date "2023-04-01" @default.
- W4313531954 modified "2023-09-30" @default.
- W4313531954 title "Electrocatalytic performance of cobalt/nickel nanoparticles encapsulated by N-doped carbon nanotubes toward the oxygen reduction reaction" @default.
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- W4313531954 doi "https://doi.org/10.1016/j.apsusc.2022.156317" @default.
- W4313531954 hasPublicationYear "2023" @default.
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