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Electrocatalytic nitrogen reduction reaction (eNRR) is a sustainable alternative to the traditional Haber–Bosch process due to its eco-friendly nature and capability of utilizing renewable energy. However, its low Faradic efficiency (FE), caused by the excessive adsorption and reduction of protons, has been regarded as the main challenge, which leads to low ammonia yield as well. Herein, a carbon-supported iron electrocatalyst is reported, which is fabricated by low-temperature (300 °C) potassium vapor reduction of FeF3-intercalated graphite fluoride, for efficient electrochemical nitrogen ...

Black eyed peas’ ability to attract beneficial bacteria isn’t diminished by modern farming practices, new UC Riverside research shows. Planting it in rotation with other crops could help growers avoid the need for costly, environmentally damaging fertilizers. 

Caption: MIT chemists have determined the structure of the complex that forms when gaseous dinitrogen, or N2, binds to an iron-sulfur cluster, offering clues as to how microbes (in yellow) use nitrogenases to break the nitrogen-nitrogen bond (in pink and green). *Terms of Use: Images for download on the MIT News office website are made available to non-commercial entities, press and the general public under a Creative Commons Attribution Non-Commercial No Derivatives license. You may not alter the images provided, other than to crop them to s...

Abstract The electrocatalytic nitrogen reduction reaction (ENRR) under ambient conditions is considered as a promising process to produce ammonia. Towards highly efficient catalysts, here an optimized one-step pyrolysis strategy was tailored to design yolk–shell microcages (YS Co@C/BLCNTs), consisting of Co nanocrystals encapsulated in N-doped carbon framework and bridged by bamboo-like carbon nanotubes (BLCNTs). The cavity created between yolk and shell not only served as a “micro-bag” to store the reactant N and enhance its dissolution, but also induced a “cage effect” to confine...