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An Amorphization-Engineered Catalyst for Electrocatalytic Reduction of Nitric Oxide to Ammonia
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2023-12-07 , DOI: 10.1021/acs.inorgchem.3c03986 Baixing Liu 1 , Youjun Yu 1 , Guike Zhang 2 , Ke Chu 2
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2023-12-07 , DOI: 10.1021/acs.inorgchem.3c03986 Baixing Liu 1 , Youjun Yu 1 , Guike Zhang 2 , Ke Chu 2
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Electrocatalytic NO-to-NH3 conversion (NORR) provides a fascinating route toward the eco-friendly and valuable production of NH3. In this study, amorphous FeS2 (a-FeS2) is first demonstrated as a high-efficiency catalyst for the NORR, showing a maximum FENH3 of 92.5% with a corresponding NH3 yield rate of 227.1 μmol h–1 cm–2, outperforming most NORR catalysts reported earlier. Experimental measurements combined with theoretical computations clarify that the exceptional NORR activity of a-FeS2 originates from the amorphization-induced upshift of the d-band center to promote the NO activation and NO-to-NH3 hydrogenation energetics.
中文翻译：
用于一氧化氮电催化还原为氨的非晶化工程催化剂
电催化NO-to-NH 3转化(NORR) 为生态友好且有价值的NH 3生产提供了一条令人着迷的途径。在这项研究中，无定形FeS 2 (a-FeS 2 )首次被证明是NORR的高效催化剂，其最大FE NH3为92.5%，相应的NH 3产率为227.1 μmol h –1 cm –2 ，优于之前报道的大多数 NORR 催化剂。实验测量与理论计算相结合阐明，a-FeS 2卓越的NORR活性源于非晶化诱导的d带中心上移，以促进NO活化和NO-to-NH 3加氢能量。
更新日期：2023-12-07
中文翻译：
用于一氧化氮电催化还原为氨的非晶化工程催化剂
电催化NO-to-NH 3转化(NORR) 为生态友好且有价值的NH 3生产提供了一条令人着迷的途径。在这项研究中，无定形FeS 2 (a-FeS 2 )首次被证明是NORR的高效催化剂，其最大FE NH3为92.5%，相应的NH 3产率为227.1 μmol h –1 cm –2 ，优于之前报道的大多数 NORR 催化剂。实验测量与理论计算相结合阐明，a-FeS 2卓越的NORR活性源于非晶化诱导的d带中心上移，以促进NO活化和NO-to-NH 3加氢能量。
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