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Article

Ammonia for Fuel Cells: AFC, SOFC, and PEM

Trevor Brown October 25, 2018

In the last 12 months ... IHI Corporation tested its 1 kW ammonia-fueled solid oxide fuel cell (SOFC) in Japan; Project Alkammonia concluded its work on cracked-ammonia-fed alkaline fuel cells (AFC) in the EU; the University of Delaware's project for low-temperature direct ammonia fuel cells (DAFC) continues with funding from the US Department of Energy's ARPA-E; and, in Israel, GenCell launched its commercial 4 kW ammonia-fed AFC with field demonstrations at up to 800 locations across Kenya.

Article

GenCell launches commercial alkaline fuel cell using cracked ammonia fuel

Trevor Brown July 06, 2018

GenCell Energy, the Israeli fuel cell manufacturer, has made two major announcements in the last month. In June, it unveiled its ammonia-fueled alkaline fuel cell system. In July, it announced its first commercial customer. Its A5 Off-Grid Power Solution is a "nano power plant that operates fully independent of the grid." The first phase of product trials, using ammonia as a fuel to provide uninterruptible power to cell phone masts, will begin in Kenya by the end of this year, and "product roll-out" is expected in the second half of 2019.

Article

N-Fuels vs. C-Fuels: Nitrogen “superior” to carbon as a hydrogen carrier

Stephen H. Crolius November 17, 2017

Gideon Grader, a Faculty Dean at Technion Israel Institute of Technology, and Bar Mosevitzky, one of the members of his laboratory, spoke in separate talks at the NH3 Energy + Topical Conference about one of the Grader Research Group’s key focuses: nitrogen-based energy carriers. Grader and his team champion the idea that ammonia can be the starting rather than ending point for nitrogen-containing fuels for heat engines. The focuses of their research include ammonium hydroxide ammonium nitrate (AAN), ammonium hydroxide urea (AHU), and urea ammonium nitrate (UAN). As described below, this work is an indispensable addition to the C-fuel vs. N-fuel debate well known to proponents of ammonia energy. And the Grader team stakes out a position: per the abstract of Grader’s talk, “using nitrogen as a hydrogen carrier can potentially offer a superior option.”

Article

Ammonia – and Other Nitrogen-Based Fuels

Stephen H. Crolius April 20, 2017

Next month the print edition of Fuel Processing Technology will feature a paper entitled “Auto-ignition of a carbon-free aqueous ammonia/ammonium nitrate monofuel: a thermal and barometric analysis.” This title is provocative. First, what is this idea of a fuel composed of a mixture of ammonia and ammonium nitrate (AN)? If ammonia is a good fuel, is it made better with the addition of ammonium nitrate? Second, why is it aqueous? Is the presence of water a feature or a bug? Third, what is a monofuel and why is this term used when the fuel is a mixture of two molecular species? And finally, why is the paper ultimately about auto-ignition?

Article

Ammonia for energy storage: economic and technical analysis

Trevor Brown March 02, 2017

Developers around the world are looking at using ammonia as a form of energy storage, essentially turning an ammonia storage tank into a very large chemical battery. In the UK, Siemens is building an "all electric ammonia synthesis and energy storage system." In the Netherlands, Nuon is studying the feasibility of using Power-to-Ammonia "to convert high amounts of excess renewable power into ammonia, store it and burn it when renewable power supply is insufficient." While results from Siemens could be available in 2018, it might be 2021 before we see results from Nuon, whose "demonstration facility is planned to be completed in five years." But, while we wait for these real-world industrial data, the academic literature has just been updated with a significant new study on the design and performance of a grid-scale ammonia energy storage system.