Materials for electrochemical ammonia synthesis

Direct electrochemical synthesis of ammonia is proposed as a means of reducing the carbon footprint of the fertiliser industry, as well as providing new opportunities for carbon-free liquid energy storage. We review the current status of research into materials for electrochemical ammonia synthesis...

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Bibliographic Details
Published in:Dalton transactions : an international journal of inorganic chemistry 2019-02, Vol.48 (5), p.1562-1568
Main Authors: McPherson, Ian James, Sudmeier, Tim, Fellowes, Joshua, Tsang, Shik Chi Edman
Format: Article
Language:English
Subjects:
Ammonia
Carbon
Chemical synthesis
Electrocatalysts
Energy policy
Energy storage
Environmental impact
Federal agencies
Materials selection
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Summary:Direct electrochemical synthesis of ammonia is proposed as a means of reducing the carbon footprint of the fertiliser industry, as well as providing new opportunities for carbon-free liquid energy storage. We review the current status of research into materials for electrochemical ammonia synthesis and evaluate the reported rates and efficiencies in terms of recent US Department of Energy targets. Surprisingly, development of electrocatalysts has only recently received much attention, and despite a number of promising rates, the target values remain distant. A number of theoretical studies suggest a range of candidate materials yet to be explored. Direct electrochemical synthesis of ammonia is proposed as a means of reducing the carbon footprint of the fertiliser industry, as well as providing new opportunities for carbon-free liquid energy storage.
ISSN:1477-9226
1477-9234
DOI:10.1039/c8dt04019b