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Ammonia-fed microbial fuel cells: power from sweat

NEWS BRIEF: The National Science Foundation has awarded $452,000 to researchers at Binghamton University to develop a technology that can generate power from sweat, fueling "one of the ultimate forms of next-generation electronics." The project aims to harness ammonia-oxidizing bacteria, using microbial fuel cells, to power wearable electronics.

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ARPA-E solicits technologies for nitrogen extraction from seawater using seaweed

NEWS BRIEF: On Monday, May 13, the US Department of Energy ARPA-E will close its request for information (RFI) regarding Quantification of Effectiveness of Nutrient Bioextraction by Seaweed.

By using environmental remediation (nitrogen removal) as a mechanism for ammonia production (nitrogen recycling), this novel research area could connect together two phases of industry: production and end-of-life management. Rather than saying that this addresses both ends of a value chain, it might be more appropriate to say that this holds promise for the circular economy of ammonia energy.

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If green ammonia, whence urea? Stamicarbon’s Innovation Agenda

One of the most interesting unanswered questions surrounding green ammonia is this: what about urea?

Last month, a major announcement by Stamicarbon ("the world market leader in design, licensing and development of urea plants") implies an answer: in the long-term context of climate change, urea as a fertilizer may simply need to be phased out.

Stamicarbon announced its new Innovation Agenda at the company's "Future Day" event in Utrecht in April. Its Innovation Agenda covers three areas: speciality fertilizers, digitalization, and "Renewable production of fertilizer (using wind or solar energy to produce fertilizer)."

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Literature review: Electrochemical Ammonia Synthesis and Ammonia Fuel Cells

The journal Advanced Materials recently published an article that reviews electrochemical ammonia technologies for both synthesis and power generation. In addition to presenting a range of technologies under development, the authors, based at the University of Delaware, present "perspectives in the technical challenges and possible remedies."

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Green ammonia: Haldor Topsoe’s solid oxide electrolyzer

Haldor Topsoe has greatly improved the near-term prospects for green ammonia by announcing a demonstration of its next-generation ammonia synthesis plant. This new technology uses a solid oxide electrolysis cell to make synthesis gas (hydrogen and nitrogen), which feeds Haldor Topsoe's existing technology: the Haber-Bosch plant. The product is ammonia, made from air, water, and renewable electricity.

The "SOC4NH3" project was recently awarded funds from the Danish Energy Agency, allowing Haldor Topsoe to demonstrate the system with its academic partners, and to deliver a feasibility study for a small industrial-scale green ammonia pilot plant, which it hopes to build by 2025. There are two dimensions to this technology that make it so important: its credibility and its efficiency.

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RAPID: supporting modular manufacturing and process intensification for small-scale ammonia

Using greener feedstocks at low pressures and temperatures, with higher conversion rates and less greenhouse gases is considered a pipe dream. The technology and equipment simply wasn’t available ... until now. The case for small-scale, energy efficient ammonia production is well documented, but access to funds may not be. Now, Manufacturing USA and the Manufacturing Extension Partnership may offer a new path to success.

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Ammonia Included in Australian Study of Novel Combustion Technology

The most recent meeting of the Ammonia Energy Association-Australia was held on December 6, 2018.  Ciaran McDonnell-Worth, the organization’s coordinator, reported that there was “excellent discussion throughout the meeting which was bolstered by the presence of several new participants.”  One of those participants, Bassam Dally, Mechanical Engineering Professor at University of Adelaide, spoke about a novel technology for ammonia combustion that may have application in high-temperature industrial processes and beyond.

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Ammonia Gas Turbines on European R&D List

ETN Global’s latest R&D Recommendation was released in October 2018.  ETN stands for European Turbine Network and its technology of interest is the gas turbine.  The 2018 Recommendation is notable because it is the first that includes ammonia on the R&D agenda.

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JGC Corporation demonstrates “world’s first” carbon-free ammonia energy cycle

In late 2018, JGC Corporation issued a press release to celebrate a "world's first" in ammonia energy, demonstrating at its pilot plant in Koriyama both "synthesis of ammonia with hydrogen produced through the electrolysis of water by renewable energy, and generation of electricity through gas turbines fueled by synthesized ammonia."

By demonstrating the feasibility of using ammonia on both sides of the renewable energy equation -- first, producing green ammonia from intermittent renewable electricity and, second, combusting this carbon-free fuel for power generation -- the project demonstrates the role of ammonia in the "establishment of an energy chain ... that does not emit CO2 (CO2-free) from production to power generation."

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More Progress for Automotive-Oriented Direct Ammonia Fuel Cells

Shimshon Gottesfeld’s paper The Direct Ammonia Fuel Cell and a Common Pattern of Electrocatalytic Processes leads with a big number: “A record power density of 450 mW/cm2 has been demonstrated for a direct ammonia fuel cell [DAFC] using an alkaline membrane electrolyte.”  We know it’s big because it’s 80% higher than the 250 mW/cm2 that Gottesfeld’s team had achieved in the fall of 2017 and that Gottesfeld, Adjunct Professor of Chemical Engineering at the University of Delaware, reported at the November 2017 NH3 Energy+ Topical Conference.

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