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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

Japan, Saudi Arabia Explore Trade in Hydrogen, Ammonia

Stephen H. Crolius February 15, 2018

Japan and Saudi Arabia are together exploring the possibility of extracting hydrogen from Saudi crude oil so that it can be transported to Japan in the form of ammonia. According to a synopsis of the planned effort, “one option for Japan’s material contribution to reducing greenhouse gas emissions [would be] a supply chain for carbon-free hydrogen and ammonia produced through CCS from Saudi Arabian fossil fuels.” The synopsis emerged from a September 2017 workshop sponsored by Saudi Aramco and the Institute of Energy Economics, Japan (IEEJ).

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

Advances in Ammonia-Fired Gas Turbines Open Up Major Use Case

Stephen H. Crolius October 06, 2017

In the last 12 months ... Researchers seeking to fire gas turbines with ammonia made significant strides toward realization of commercial-scale machines in both the U.K. and Japan. This means that electricity generation has become a realistic near-term use-case for ammonia energy.

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.

Article

International R&D on sustainable ammonia synthesis technologies

Trevor Brown February 03, 2017

Over the last few weeks, I've written extensively about sustainable ammonia synthesis projects funded by the US Department of Energy (DOE). While these projects are important, the US has no monopoly on technology development. Indeed, given the current uncertainty regarding energy policy under the Trump administration, the US may be at risk of stepping away from its assumed role as an industry leader in this area. This article introduces seven international projects, representing research coming out of eight countries spread across four continents. These projects span the breadth of next-generation ammonia synthesis research, from nanotechnology and electrocatalysis to plasmas and ionic liquids.

Article

Ammonia Turbine Power Generation with Reduced NOx

Trevor Brown October 06, 2016

A common concern with ammonia fuel is that NOx emissions will be too high to control. However, in new research from Turkey, USA, and Japan, presented at this year's NH3 Fuel Conference in September 2016, two things became clear. First, NOx emissions can be reduced to less than 10ppm by employing good engineering design and exploiting the chemical properties of ammonia, which plays a dual role as both the fuel and the emissions-cleanup agent. Second, the deployment of ammonia-fueled turbines for power generation is not only feasible, but actively being developed, with demonstration units running today and improved demonstration projects currently in development.