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Issue 85, 2020
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ZrB2 as an earth-abundant metal diboride catalyst for electroreduction of dinitrogen to ammonia

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Abstract

ZrB2 is first explored as an earth-abundant metal diboride catalyst for highly efficient nitrogen reduction reaction (NRR). The synthesized ZrB2 nanocubes exhibited a highly attractive NRR performance with an NH3 yield of 37.7 μg h−1 mg−1 and a Faradaic efficiency 18.2% at −0.3 V (RHE). Theoretical calculations unraveled that active Zr centers enabled the effective activation of the N2 molecule via a unique tetranuclear side-on mode and concurrently impeded hydrogen evolution by restricting H+ adsorption.

Graphical abstract: ZrB2 as an earth-abundant metal diboride catalyst for electroreduction of dinitrogen to ammonia

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Article information


Submitted
29 Aug 2020
Accepted
22 Sep 2020
First published
22 Sep 2020

Chem. Commun., 2020,56, 13009-13012
Article type
Communication

ZrB2 as an earth-abundant metal diboride catalyst for electroreduction of dinitrogen to ammonia

Q. Li, Y. Cheng, X. Li, Y. Guo and K. Chu, Chem. Commun., 2020, 56, 13009
DOI: 10.1039/D0CC05853J

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