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Article

254th ACS Meeting, Energy and Fuels Symposium “The Ammonia Economy” — Oxidation, Catalytic Cracking & Storage

Martin Owen Jones October 31, 2017

In August of 2017 a symposium on the Ammonia Economy was held in Washington DC as part of the Energy and Fuels Division of the American Chemical Society (ACS) conference. The symposium was devised to explore the latest results from ammonia related research, including but not limited to; advances in the generation of ammonia, advances in the catalytic cracking of ammonia to nitrogen and hydrogen, ammonia storage and utilisation, detectors and sensors for ammonia, ammonia fuel cells and hydrogen from ammonia, ammonia combustion and ammonia safety.

Presentation

Investigating and Understanding Ionic Ammine Materials

Martin Owen Jones J Hartley Bill David A Porch

Ammonia has been promoted as a viable candidate as an indirect hydrogen fuel vector, due to its high hydrogen content (17.8 wt%) and its ability to store 30% more energy per liquid volume than liquid hydrogen [1]. Ammonia can be safely stored in very high gravimetric and volumetric density in solid state halide materials [2-3], for example, at 109 gL-1 for Mg(NH3)6Cl2 compared to 108 gL-1 for liquid ammonia. These solid state ammonia coordination complexes, known as ammines, have attracted much recent attention (for examples see [4-5] and references there within) with a view to their use as solid state…