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Article

The Ammonia Economy at the ACS National Meeting

Trevor Brown July 06, 2017

The American Chemical Society (ACS) has published the program for its 2017 National Meeting, which takes place next month in Washington DC and includes a session dedicated to the "Ammonia Economy." The first day of the week-long meeting, Sunday August 20th, will feature a full morning of technical papers from the US, UK, and Japan, covering ammonia energy topics across three general areas: producing hydrogen from ammonia, developing new catalysts for ammonia synthesis and oxidation, and storing ammonia in solid chemical form.

Article

Report from the European Conference: Ammonia-Fueled Gas Turbines

Stephen H. Crolius June 22, 2017

The ammonia-fueled gas turbine (A-GT) seems destined to become one of the key technologies in the sustainable energy economy of the future. Siemens AG, for one, features the A-GT in its vision for “Green Ammonia for Energy Storage and Beyond” and the demonstration system that the company is building at the Rutherford Appleton Laboratory in the U.K. Last month Ian Wilkinson, Siemens’ Programme Manager for the demonstration project, spoke about the project’s progress at the 1st European Power to Ammonia® Conference in Rotterdam in The Netherlands. Although he devoted a slide to the A-GT, the detailed perspective came from another presentation at the conference. This one was delivered by Dr. Agustin Valera-Medina, a Senior Lecturer at Cardiff University, one of Siemens’ main green ammonia collaborators.

Article

Bunker Ammonia: carbon-free liquid fuel for ships

Trevor Brown March 23, 2017

The shipping industry is beginning to evaluate ammonia as a potential "bunker fuel," a carbon-free alternative to the heavy fuel oil (HFO) used in maritime transport. International trade associations are leading the effort to decarbonize the sector, in alignment with targets set by the Paris Climate Agreement. Their immediate challenge is simple to state but hard to solve: "ambitious CO2 reduction objectives will only be achievable with alternative marine fuels which do not yet exist." In the long-term, however researchers recognize that "fuel cell-powered ships are likely to dominate, drawing their energy from fuels such as hydrogen and ammonia."

Article

Ammonia for energy storage: a "revolutionary disruption"

Trevor Brown March 16, 2017

A recent opinion piece in The Japan Times predicts a "revolutionary disruption coming to the energy sector," and suggests that using ammonia for energy storage will prove to be "a game-changer at least on the scale of the shale oil and gas revolution."

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

Hydrogen Council - new global initiative launched at Davos

Trevor Brown January 20, 2017

This week, at the World Economic Forum in Davos, the leaders of 13 global companies, representing more than EUR 1 trillion in annual revenues, announced the launch of the Hydrogen Council. This new global initiative is important for obvious reasons: it presents a compelling "united vision and long-term ambition" for hydrogen, it promises global engagement with "key stakeholders such as policy makers, business and hydrogen players, international agencies and civil society," and it pledges financial commitments to RD&D totaling EUR 10 billion over the next five years. It is important for a subtler reason too: it is the first hydrogen industry promotion I've seen that includes ammonia. It includes ammonia both implicitly, encompassing "hydrogen and its compounds," and explicitly, listing ammonia as a "renewable fuel" in its own right.

Article

Australian solar-ammonia exports to Germany

Trevor Brown January 06, 2017

I recently wrote about a vast future market for merchant ammonia: transporting carbon-free energy from Australia's deserts to Japan's electricity grid. Now, however, it is clear that Japan could face international competition for Australia's solar-ammonia resources. Jeff Connolly, CEO of Siemens Pacific, wrote last month about his ambitions for ammonia as an energy export commodity.

Article

Siemens - Green Ammonia

Stephen H. Crolius September 19, 2016

In April 2016, Siemens AG announced that it will construct a plant at the Rutherford Appleton Laboratory in Oxford to demonstrate the production of ammonia in an electrochemical reactor. The technology is seen as a facilitator of the use of ammonia synthesis as a method for storing renewably generated electricity. It involves lower pressures and temperatures than conventional synthesis with the Haber Bosch process. The project will test two different electrolyte chemistries using its 30 kilowatt electrochemical reactor.

Article

Study on Reduced Chemical Mechanisms of Ammonia / Methane Combustion under Gas Turbine Conditions

Trevor Brown September 14, 2016

On September 1st, academic journal Energy & Fuels published a new paper that features research coming out of the UK's Cardiff University and Ireland's University of Limerick. This study demonstrates a "reduced mechanism" for simulating the "robust numerical analyses with detailed chemistry" necessary for the "industrial implementation" of ammonia in gas turbine combustion for "future power generation." Here's the abstract: