Highly effective catalysts are of great importance for artificial nitrogen fixation. Inspired by the natural nitrogenase, we biomimetically designed an inorganic catalyst, Mo(IV)-doped FeS 2, for electroreduction of dinitrogen to ammonia. The Mo(IV) ions favor the adsorption and activation of N 2, while the FeS 2 substrate depresses the competitive hydrogen evolution reaction, and the two factors jointly endow the catalyst with a high Faraday efficiency of 14.41% at −0.2 V versus RHE.
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Wang et al. (2020) studied this question.
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