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- W4386941205 abstract "The oxygen evolution reaction (OER) is crucial for electrochemical energy conversion and storage. However, finding OER catalysts that are both effective and durable is still a difficult task. While cation modification and anion-defect engineering are essential for electrocatalysts’ OER activity, MXene-based materials have not been widely studied using these combined strategies. Here, we report a new approach to designing OER catalysts by combining doping and vacancy engineering. We have successfully created Ru-doped FeCo hydroxide nanoarrays with oxygen vacancies on MXene substrates (Ru-FeCo HNs/MXene), significantly enhancing OER kinetics. We use density functional theory (DFT) calculations to demonstrate that the electronic structure is tuned by the combined effects of Ru doping and O vacancy, which lowers the energy barriers for the adsorption/desorption of O-containing intermediates. The optimal Ru-FeCo HNs/MXene achieves outstanding OER activity with a small overpotential of 227 mV at 10 mA cm−2." @default.
- W4386941205 created "2023-09-22" @default.
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- W4386941205 date "2023-12-01" @default.
- W4386941205 modified "2023-09-28" @default.
- W4386941205 title "Synergistic mechanism of cation-modification and anion-defect dual engineering in FeCo hydroxide/MXene heterostructure for enhanced oxygen evolution" @default.
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- W4386941205 doi "https://doi.org/10.1016/j.mseb.2023.116884" @default.
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