Controlled growth of a graphdiyne-Prussian blue analog heterostructure for efficient ammonia production
نویسندگان
چکیده
Abstract Selective and efficient ammonia (NH 3 ) production using an electrocatalytic nitrate reduction reaction (ECNtRR) under ambient conditions provides a green promising alternative to the traditional energy-intensive Haber–Bosch process. The challenge is in design controlled syntheses of electrocatalysts with high selectivities, NH yield rates (Y NH3 long-term stabilities. Here, freestanding three-dimensional graphdiyne-hollowed FeCoNi Prussian blue analog electrode ( h -FeCoNi PBA@GDY) highly selective active interfaces was synthesized by situ growth GDY layer on surface PBA used for ECNtRR alkaline solution at temperatures pressures. experimental results demonstrated that uniquely incomplete charge transfer between metal atoms effectively enhanced intrinsic activity increased number sites electrocatalyst promoted fast redox switching high-density transport interface, which resulted selectivity, stability ECNtRR. indicated showed Faraday efficiency (FE) 95.1% Y 1015.5 μmol −1 cm −2 excellent stability.
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ژورنال
عنوان ژورنال: Npg Asia Materials
سال: 2023
ISSN: ['1884-4049', '1884-4057']
DOI: https://doi.org/10.1038/s41427-022-00439-8