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- W4308492041 endingPage "141477" @default.
- W4308492041 startingPage "141477" @default.
- W4308492041 abstract "High-performance and low-cost bifunctional electrocatalysts for ORR and OER are urgently required for rechargeable Zn-air batteries. Herein, a series of Mn-doped Co3O4 nanoparticles grown on carbon nanotubes (Mn-Co3O4@CNTs) bifunctional electrocatalysts are designed. Owing to the moderate doped Mn atoms, the Mn-Co3O4 heightens ORR activity via the synergistic effect between Co and Mn atoms, and more Co3+ active sites are exposed on the surface of Mn-Co3O4 to enhance the OER rate. As a result, the 40% Mn-doped Mn-Co3O4@CNTs electrocatalyst exhibits higher ORR (E1/2 = 0.84 V) and OER (η10 = 356 mV at 10 mA cm−2) performance. More significantly, the Mn-Co3O4@CNTs equipped with rechargeable ZAB displays a high power density of 116 mW cm−2, a low charge-discharge voltage gap of 0.94 V at 10 mA cm−2, and superior cycling stability of over 425 h and 1200 cycles, being much more outperforming than Pt- and Ru-based ZABs." @default.
- W4308492041 created "2022-11-12" @default.
- W4308492041 creator A5004619069 @default.
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- W4308492041 date "2023-01-01" @default.
- W4308492041 modified "2023-10-14" @default.
- W4308492041 title "Manganese-doped cobalt spinel oxide as bifunctional oxygen electrocatalyst toward high-stable rechargeable Zn-air battery" @default.
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- W4308492041 doi "https://doi.org/10.1016/j.electacta.2022.141477" @default.
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