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- W4327750457 abstract "Designing and fabricating earth-abundant and highly-efficient electrocatalysts is vital to accelerate dynamics of the oxygen evolution reaction (OER), which is a half reaction of water splitting. In the present work, we developed and successfully synthesized copper sulfides with diverse valence states hybridizing iron-nickel sulfide (CuxSy/FeNiS) heterogeneous catalyst via a governable two-step hydrothermal method, which processes superior OER performance and outstanding durableness in 1.0 M KOH solution. Benefitting from the polyvalent copper dopant and competent interfacial effects between Cu sulfides and FeNiS, this self-supported hybrid material requires 286 and 354 mV to achieve 50 and 500 mA cm−2, respectively. Besides, the plentiful disordered structures in CuxSy/FeNiS hybridization also enrich the exposure sites and modulate the electronic interaction of active sites and enhance the intrinsic OER activity. Furthermore, this optimal CuxSy/FeNiS electrode exhibits remarkable stability at both 10 and 100 mA cm−2 prolonged chronopotentiometry process." @default.
- W4327750457 created "2023-03-18" @default.
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- W4327750457 date "2023-06-01" @default.
- W4327750457 modified "2023-10-06" @default.
- W4327750457 title "Peony-like CuxSy hybrid iron-nickel sulfide heterogeneous catalyst for boosting alkaline oxygen evolution reaction" @default.
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- W4327750457 doi "https://doi.org/10.1016/j.surfin.2023.102788" @default.
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