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NETL presents the latest edition of its publication that showcases research on emerging energy technologies. NETL Edge shares the latest developments the Lab’s mission to drive innovation and deliver solutions for an environmentally sustainable and prosperous energy future. In this issue, we feature key research and technology development in integrated energy systems for net-zero carbon electricity. Check out the newly released edition of NETL Edge to learn more about combining technology and versatility to optimize energy production and lower emissions, finding answers to carbon storage in by using advanced technologies to examine rock cores, building a strong foundation for integrated energy systems through energy conversion research and more. https://go.usa.gov/xHnJD
SOFC FiberOptic Sensor Development
Solid oxide fuel cells (SOFCs) hold great promise for providing highly efficient, clean energy for a low-carbon economy. However, adoption of these next-generation technologies hinges on reducing component degradation and improving longevity. The ability to make numerous, real-time, highly accurate temperature measurements across an SOFC could better inform SOFC modeling efforts aimed at designing more resilient fuel cells. To this end, NETL researchers, in collaboration with the University of Pittsburgh, have successfully embedded multiple distributed fiber optic sensors into an SOFC multi-cell test to achieve a previously unattainable degree of spatial resolution in temperature measurement. The work was recently featured in an article in the prestigious journal Applied Energy.
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Today, the U.S. Department of Energy’s (DOE) Office of Fossil Energy and NETL have announced a request for information (RFI) about hydrogen technology opportunities and research needs that could lead to advances in hydrogen technologies. Advances in hydrogen technologies that are capable of improving overall performance, reliability, and flexibility of existing technologies to produce, transport, store, and use hydrogen will enable the United States to continue to extract maximum economic value from its fossil-fueled energy system assets. It will also allow the United States to produce carbon-neutral hydrogen and eliminate the carbon footprint often associated with fossil energy use.  In this RFI, DOE is specifically interested in gathering information relevant to five topic areas: (1) natural gas hydrogen production, transport, and storage; (2) hydrogen production from gasification of fossil fuel and other materials, especially waste plastics and biomass; (3) hydrogen turbines; (4) hydrogen storage; and (5) hybrid energy systems with reversible solid oxide fuel cells to produce hydrogen.
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NETL’s work with solid oxide fuel cells is enhancing the nation’s electric grid by generating combustion-free power with minimal environmental impact. The Lab is now extending its research vision to develop reversible solid oxide cells, which can alternately either generate power or produce clean-burning fuel. Solid oxide cells operate in two modes: fuel cell mode and electrolysis mode. Solid oxide cells operating in fuel cell mode are known as solid oxide fuel cells, or SOFCs, while solid oxide cells operating in electrolysis mode are known as solid oxide electrolysis cells, or SOECs. SOFCs convert chemical energy from a fuel directly into electrical energy. A fuel source such as hydrogen, natural gas or syngas is fed into the cell, and electricity, water and/or CO2 are produced as byproducts. Since SOFCs produce electricity through an electrochemical reaction and not through a combustion process, they are much more environmentally friendly than conventional electric power generation methods due to higher efficiencies, reduced water usage and reduced CO2 emissions.
SOFC
NETL researchers are exploring how heterogeneity, or a lack of uniform structure and composition, on a microscopic level can affect the performance of solid oxide fuel cell (SOFC) components. SOFCs, which, like batteries, create electricity directly through electrochemical reactions, are extremely efficient, require minimal water consumption and generate almost no emissions; however, SOFCs face issues with reliability, durability and cost. NETL researchers are working to overcome these problems by studying what effect heterogeneity has on fuel cell degradation, helping to clear the way to commercial development.
Microstructures
NETL researchers are using the Lab’s cutting-edge computational tools to model thousands of simulated microstructures as they seek to boost the performance and longevity of energy-efficient, near-zero-emission solid oxide fuel cells (SOFCs). SOFCs can efficiently convert a variety of abundant domestic fuels — including coal and natural gas — into clean power via electrochemical reactions. SOFCs are highly efficient and produce far less carbon dioxide, require very little water and use less fuel while providing the same amount of electricity, compared to today’s combustion-based fossil energy technologies. One of the primary obstacles to widespread commercialization of SOFCs is degradation, a gradual decline in performance that limits a fuel cell’s lifespan. Several suspected contributors to performance degradation are tied to the microstructural composition of the positive and negative electrodes, which are stacked on either side of an electrolyte within an SOFC to facilitate chemical reactions.
Clearpath Pre-event photo
ClearPath Foundation, a non-profit organization that specializes in developing policies and research that supports clean energy initiatives through small government, free markets, and American innovation will visit NETL in Morgantown, West Virginia, Tuesday, Dec. 4 to learn about the Laboratory’s work on carbon capture and storage, solid oxide fuel cells, systems engineering analysis, chemical looping, and hybrid performance – technology research areas with potential for advancing clean energy innovations. According to NETL Director Brian Anderson, Ph.D., in addition to advancing public policy initiatives in support of clean energy initiatives including carbon capture and storage research, ClearPath has helped fund the National Carbon Capture Center in Wilsonville, Alabama, which works to accelerate the commercialization of advanced technologies to reduce greenhouse gas emissions from both natural gas and coal power generation. NETL has a history of working with the Center to install and evaluate promising carbon capture technologies for scale-up and future commercial deployment.
NETL NEWS
The U.S. Department of Energy’s (DOE) Office of Fossil Energy (FE) has selected 16 projects to receive approximately $13.5 million in federal funding for cost-shared research and development (R&D) projects that will advance solid oxide fuel cell (SOFC) technologies.
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The U.S. Department of Energy (DOE) has announced up to $32.5 million in federal funding for cost-shared research and development (R&D) to advance solid oxide fuel cell technologies (SOFC). The selected projects will fall under the Office of Fossil Energy’s two funding opportunity announcements (FOAs):Preliminary Design and Techno-Economic Analysis of MWe-Class Solid Oxide Fuel Cell Systems and Solid Oxide Fuel Cells Core Technology Research. SOFC R&D will enable efficient, cost-effective electricity generation from abundant domestic coal and natural gas resources, with minimal use of water and near-zero atmospheric emissions of carbon dioxide and pollutants.
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The U.S. Department of Energy’s (DOE) Office of Fossil Energy (FE) has selected two projects to receive approximately $2.8 million in federal funding for cost-shared research and development projects. The projects will advance solid oxide fuel cell (SOFC) technology and make progress toward enabling cost-competitive fossil-based power generation with near-zero emission. Fuel cells are a modular, efficient, and virtually pollution-free power generation technology. The selected projects are advancing to Phase II after they were chosen from Phase I awards made under the funding opportunity announcement (FOA) DE-FOA-0001469 Solid Oxide Fuel Cell Core Technology and Innovative Concepts, which was issued in fiscal year 2015. The Phase II projects were selected from recipients of the Core Technology topic area. Selected projects will culminate in testing technology advancements at the system level by participating SOFC manufacturer partners. The National Energy Technology Laboratory (NETL) will manage the selected projects. Project descriptions for the two selectees follow: