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Oxford University

https://www.ox.ac.uk/

Paper

The role of green ammonia in sector coupling and seasonal electricity storage

Ryan Miller November 11, 2021

Green ammonia (NH3) will have a versatile role in the decarbonisation of large sectors of the global economy. Of these sectors green ammonia will likely have the most competitive potential in decarbonising long-duration energy storage, regional energy and hydrogen transport, shipping propulsion fuel, and replacing existing brown ammonia production for fertiliser and other chemicals. In this presentation, we introduce our modelling on the cross-sector integration of green ammonia into large-scale energy systems, with a case study of India. In the power sector, ammonia may play a role in seasonal storage, system resilience, and electricity import/export. We co-developed the world’s first…

Article

New materials for cracking catalysts

Ryan Miller September 09, 2021

Among the many challenges for cracking researchers is their choice of material to build their catalysts from. There is hope that cheaper, more readily-available materials will replace the Ruthenium-based catalysts that have dominated the field up to this point. This

Paper

Impact of scale on levelized cost of green ammonia for international energy transport

Ryan Miller August 26, 2021

An oft-touted benefit of green hydrogen and ammonia is the modularity of production technologies, which may enable the use of micro-plants for distributed green fuel production without losing the benefits normally associated with economies of scale. To that end, a number of very small ammonia projects are being considered in Australia with electrolyser installations ~30 MW (e.g. QNP). At the opposite end of the spectrum, however, the Asian Renewable Energy hub has announced intentions to install 15 GW of electrolysis capacity. We explore the components of the full value chain of ammonia, from electricity generation to green ammonia delivery, and…

Article

Techno-Economic Challenges of Green Ammonia as an Energy Vector

Ryan Miller December 03, 2020

Techno-Economic Challenges of Green Ammonia as an Energy Vector, a new textbook, was issued in September by scientific and technical publisher Elsevier. The 340-page volume was written by Agustin Valera-Medina of Cardiff University and Rene Banares-Alcantara of Oxford University. The

Paper

Introduction to Ammonia Cracking Panel

Ryan Miller November 17, 2020

Article

Ammonia as a unicorn technology and the UK's opportunity for COP26

Ryan Miller March 12, 2020

The Guardian newspaper in the UK this week published a comment piece on ammonia's potential as a "unicorn technology," which the authors define as a technology that can "deliver a reduction of at least a billion tonnes of CO2 a

Article

NH3 Energy Implementation Conference: A Brief Report

Ryan Miller November 14, 2018

The 2018 NH3 Energy Implementation Conference, the first of its kind, took place on November 1 in Pittsburgh, Pennsylvania in the U.S. The focus of the Conference was on steps – current and future – that will lead to

Paper

Ammonia as a Carrier of Hydrogen Fuel

Ryan Miller November 1, 2018

Ammonia as a Carrier of Hydrogen Fuel Bill David, University of Oxford

Article

Ammonia for Power: a literature review

Ryan Miller October 04, 2018

"Ammonia for Power" is an open-access literature review that includes over 300 citations for recent and ongoing research in the use of ammonia in engines, fuel cells, and turbines, as well as providing references to decades of historical case studies

Article

Full program announced for the 2018 NH3 Event Europe

Ryan Miller February 08, 2018

The second annual European Conference on Sustainable Ammonia Solutions has announced its full program, spread over two days, May 17 and 18, 2018, at Rotterdam Zoo in the Netherlands. The international cadre of speakers, representing a dozen countries from across

Article

Sustainable Energy for Wales: Tidal and Wind with Ammonia Storage

Ryan Miller January 11, 2018

As part of the sustainable agenda of the UK, the government, research institutions and various enterprises have looked for options to reduce the carbon footprint of the country while ensuring energy independence for several years. As a response, one of

Paper

Novel Catalysts for Ammonia Cracking and Synthesis

Ryan Miller November 1, 2017

The most effective ammonia cracking catalysts are currently based on rare metals such as ruthenium and cobalt. While iron can efficiently crack ammonia at 600 °C, it is desirable to develop similarly inexpensive catalysts that are effective at lower temperatures between 350 °C and 500 °C. In this presentation, a new family of imide-based catalysts are described that crack ammonia around 400 °C to 550 °C. These materials do not behave as conventional surface-based catalysts and offer an affordable route for on-board cracking of ammonia for hydrogen fuel-cell cars. The operational parameters of a small 50W lab-based demonstrator will be…

Article

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

Ryan Miller 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

Article

Progress toward Ammonia-to-Hydrogen Conversion at H2 Fueling Stations

Ryan Miller October 05, 2017

In the last 12 months ... Groups in Australia, Japan, Denmark, the U.K., and the U.S. all made progress with technologies that can be used to convert ammonia to hydrogen at fueling stations. This means that hydrogen for fuel cell vehicles can

Article

NH3 Fuel Association Announces Charter Sponsors

Ryan Miller September 28, 2017

The NH3 Fuel Association (NH3FA) has released the names of the organization’s charter group of sponsors. The common thread that unites the six companies? A conviction that ammonia energy represents a significant opportunity for their businesses. The sponsors are Yara,

Article

The Ammonia Economy at the ACS National Meeting

Ryan Miller 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,

Article

Ammonia for energy storage: economic and technical analysis

Ryan Miller 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

Article

Siemens - Green Ammonia

Ryan Miller 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

Paper

Ammonia for low-temperature fuel cells

Ryan Miller September 21, 2015

Ammonia for low-temperature fuel cells Bill David, ISIS Facility, Rutherford Appleton Laboratory / Inorganic Chemistry Laboratory, University of Oxford

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