2024
DOI: 10.1021/acsanm.3c05568
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Medium-Entropy Co–Fe–Cr–Mo Spinel Nanoflowers as Electrocatalysts for Oxygen Evolution

Yuhang Sun,
Tianmi Tang,
Liyuan Xiao
et al.

Abstract: Oxygen evolution reaction (OER) plays an important role in many electrocatalysis-related fields. However, the slow kinetics of the OER seriously hinders energy efficiency. Here, we synthesize flower-like Co−Fe−Cr−Mo medium-entropy spinel (MES) nanosheets on nickel foam (NF) using one-step solvothermal method for the OER. Due to high stability and compositional diversity, the CoFeCrMoO x /NF catalyst exhibits excellent electrocatalytic OER performance with an overpotential of only 196 mV at 10 mA cm −2 in 1.0 M… Show more

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