Author ORCID Identifier

Julie N. Renner

Document Type

Article

Publication Date

7-12-2018

Abstract

The production of synthetic ammonia remains dependent on the energy- and capital-intensive Haber-Bosch process. Extensive research in molecular catalysis has demonstrated ammonia production from dinitrogen, albeit at low production rates. Mechanistic understanding of dinitrogen reduction to ammonia continues to be delineated through study of molecular catalyst structure, as well as through understanding the naturally occurring nitrogenase enzyme. The transition to Haber-Bosch alternatives through robust, heterogeneous catalyst surfaces remains an unsolved research challenge. Catalysts for electrochemical reduction of dinitrogen to ammonia are a specific focus of research, due to the potential to compete with the Haber-Bosch process and reduce associated carbon dioxide emissions. However, limited progress has been made to date, as most electrocatalyst surfaces lack specificity towards nitrogen fixation. In this Review, we discuss the progress of the field in developing a mechanistic understanding of nitrogenase-promoted and molecular catalyst-promoted ammonia synthesis and provide a review of the state of the art and scientific needs for heterogeneous electrocatalysts.

Keywords

biocatalysis, electrocatalysis, heterogeneous catalysis, homogeneous catalysis

Publication Title

Nature Catalysis

Volume

1

Issue

7

First Page

490

Last Page

500

Grant

EC-015996-02; DE-SC0016529; W911NF-14-1-0263

Funder

U.S. Department of Agriculture Small Business Innovation Research Program; U.S. Department of Energy, Office of Science, Basic Energy Sciences, Catalysis Science Program; Army Research Office Multidisciplinary University Research Initiative (MURI)

Rights

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Comments

This is a peer reviewed Accepted Manuscript of an article published in its final form in Nature Catalysis, available at: 10.1038/s41929-018-0092-7

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