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Grand Challenges in Sustainable Ammonia Synthesis - DOE Roundtable Report, 2016
Article

Grand Challenges in Sustainable Ammonia Synthesis - DOE Roundtable Report, 2016

Trevor Brown December 08, 2016

Earlier this year, the US Department of Energy (DOE) hosted a day-long meeting "to explore the scientific challenges associated with discovering alternative, sustainable processes for ammonia production." The report that came out of this roundtable discussion presents the participants' views on "the current state-of-the-art and the potential challenges and research opportunities ... for heterogeneous catalysis and homogeneous and enzyme catalysis."

Presentation

Ammonia Fuel Cell and Fuel Synthesis Using Protonic Ceramics

Chuancheng DuanJianhua TongJason GanleyRyan O'Hayre

Proton-conducting ceramics synthesized with solid-state reactive sintering are employed as electrolytes for the synthesis of ammonia from hydrogen and nitrogen gases in electrolytic cells. Additionally, these cells function with excellent long-term stability and high efficiency when operated in galvanic (fuel cell) mode using ammonia fuel. Advances in electrolyte compositions and synthesis techniques are discussed alongside cell performance metrics.