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A Surface-Strained and Geometry-Tailored Nanoreactor that Promotes Ammonia Electrosynthesis. | LitMetric

A Surface-Strained and Geometry-Tailored Nanoreactor that Promotes Ammonia Electrosynthesis.

Angew Chem Int Ed Engl

Materials Science and Engineering Program and Department of Mechanical Engineering, The University of Texas at Austin, Austin, TX, 78712, USA.

Published: December 2020

AI Article Synopsis

Article Abstract

A surface-strained and geometry-optimized TiO nanoreactor enhances the performance of electrocatalytic nitrogen fixation. The nanotubular confinement allows spatial regulation of the mass transport of nitrogen during the NRR process and offers an enlarged surface area, thus boosting the ammonia production with high selectivity. Both experimental and theoretical evidence support strained Ti sites, demonstrating a more favorable pathway for the N activation and selective NH production with a faster kinetic rate than the pristine TiO . The TiO -based nanoreactor with surface and bulk structure tailoring delivered an NH yield rate up to 5.50 μg h  cm (16.67 μg h  mg ) and high faradaic efficiency of 26 % under ambient aqueous conditions. Our findings highlight the concept of lattice strain and geometry modified nanoreactors, which will have broad implications in the renewable energy catalysis and electrosynthesis of valuable products.

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Source
http://dx.doi.org/10.1002/anie.202011596DOI Listing

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