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World Hydrogen Leader Charley Rattan Associates

UK based offshore wind & hydrogen corporate advisor and trainer; Faculty member World Hydrogen Leaders. Delivering global hydrogen and offshore wind corporate investment advice, business...

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  • Feb 20, 2022
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Research by Japanese scientists at Hiroshima University reveals a way to make ammonia from its constituent molecules of nitrogen and hydrogen at ambient pressure.

The new study, published on Feb. 2 in the Journal of Physical Chemistry C, demonstrates a process with potential for use in renewable energy storage and transfer, which relies on a dispersed and fluctuating network of resources, such as sun and wind. “The ultimate goal of this work is to establish the small-scale NH3 production process to effectively utilize renewable energy” said study author and associate professor Hiroki Miyaoka from Hiroshima University’s Natural Science Center for Basic Research and Development.

Schematic image of small-scale and distributed NH3 synthesis processes required to effectively utilize the fluctuated and localized renewable energy. (Image courtesy of Hiroki Miyaoka, Hiroshima University)

Ammonia (NH3) has recently been recognized as an outstanding energy carrier molecule. In 1918, German chemist Fritz Haber won the Nobel Prize for synthesis of ammonia from its elements, paving the way for ammonia’s significant role in industrial fertilizers. However, use of ammonia in renewable energy applications has been limited by the processes available to synthesize it. The Haber-Bosch process, used in industrial production of ammonia, requires high temperature and pressure, conditions not typically available in renewable energy storage and transport infrastructure.

 

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