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- W4200173239 abstract "Nickel oxide (NiO) has emerged as a promising electrocatalyst for oxygen evolution reaction (OER) catalysis but undergoes insufficient active sites and unfavorable OH– adsorption properties. Herein, we develop an effective CeO2 and nitrogen co-decoration strategy to boost the OER performance of NiO (Ce/N-NiO) nanoparticles dramatically. The strong electron coupling among Ce/N-NiO nanoparticles provide exceptional facilities for the interface electron transfer from nitrogen-doped NiO to CeO2, and further induces the formation of rich Ni3+ surface, endowing it with abundant active sites. Besides, the surface electron reconfiguration energetically promotes the adsorption of OH–, resulting in fast reaction kinetics. As expected, the Ce/N-NiO sample shows superior OER property with a low overpotential of 250 mV at 10 mA cm−2. Particularly, when the current density exceeds 90 mA cm−2, the OER activity of Ce/N-NiO outstrips noble-metal-based RuO2. This co-decoration approach provides a practical guide for designing high-performance catalysts for OER and beyond." @default.
- W4200173239 created "2021-12-31" @default.
- W4200173239 creator A5006932859 @default.
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- W4200173239 date "2022-03-01" @default.
- W4200173239 modified "2023-10-18" @default.
- W4200173239 title "Tuning the interfacial electronic coupling of NiO via CeO2 and nitrogen co-decoration for highly efficient oxygen evolution reaction" @default.
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- W4200173239 doi "https://doi.org/10.1016/j.cej.2021.134255" @default.
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