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- W4367670958 abstract "Developing efficient and stable non-precious metal electrocatalysts for oxygen reduction reaction (ORR) is challenging for metal-air batteries. Herein, active sites of Co nanoparticles embedded in nitrogen-doped carbon nanotubes ([email protected]) were prepared by pyrolysis transformation of precursors, using diphenylamine as carbon and nitrogen precursor. It discovered that the abundance of nitrogen species (pyridinic nitrogen and graphitic nitrogen) in the carbon skeleton, the unique carbon nanotube structure, and the synergistic interaction between carbon layers and Co nanoparticles are the main causes for the high ORR catalytic efficiency of the catalysts. As a result, the [email protected] exhibits powerful electrocatalytic properties for ORR in 0.1 M KOH with half-wave potentials of 0.86 V and an ultimate current density of 5.70 mA cm−2. The zinc-air battery supplied with [email protected] as the cathode exhibits an exceptional peak power density of 170 mW cm−2 and a specific capacity of 760 mAh gZn−1, demonstrating the enormous potential of novel [email protected] catalyst in practical applications." @default.
- W4367670958 created "2023-05-03" @default.
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- W4367670958 date "2023-07-01" @default.
- W4367670958 modified "2023-10-03" @default.
- W4367670958 title "In-situ synthesis strategy derived Nitrogen-doped carbon nanotubes embedded with Co nanoparticles active center to inspire oxygen reduction reaction" @default.
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- W4367670958 doi "https://doi.org/10.1016/j.jelechem.2023.117510" @default.
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