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Search results for “Fuel Cells”

1,000+ results for "Fuel Cells"

Dry casks take the heat

Sandia National Laboratories has built a scaled test assembly to mimic a dry cask storage container for spent nuclear fuel. The team is providing new data on how fuel temperatures change during storage and affect the integrity of the metal cladding surrounding the spent fuel.

Behavior-influencing policies are critical for mass market success of low carbon vehicles

A new study emphasizes the importance of behavioral policies in encouraging the adoption of alternative-fuel vehicles, citing consumer preferences and climate policies as key factors. The research suggests that a combination of policies can increase the market share of low-carbon vehicles to over 25% by 2050.

Diesel doesn't float this boat

A zero-emissions marine research vessel, nicknamed the Zero-V, is technically and economically feasible to build using hydrogen fuel cells. The project aims to reduce air and ocean pollution while providing a stable platform for scientists to conduct research in sensitive ecological areas.

Lego-like chemical building blocks self-assemble into catalyst for hydrogen fuel cells

Researchers have designed a new material that uses self-assembly to create an efficient catalyst for hydrogen fuel cells. The catalyst is made from a combination of cobalt and ruthenium molecules that assemble themselves into the desired structure, allowing for large-scale production at a lower cost than current platinum-based catalysts.

SourceUniversity at Buffalo·JournalChemistry - A European Journal·DateMay 31, 2018

Lignin -- A supergreen fuel for fuel cells

Researchers at Linköping University have developed a lignin-based fuel cell that converts the chemical energy of forest fuels into electricity without emitting carbon dioxide. The use of conducting polymer PEDOT:PSS as both electrode and proton conductor enables efficient proton-coupled electron transfer reactions.

SourceLinköping University·JournalAdvanced Sustainable Systems·DateMay 14, 2018

Research gives new ray of hope for solar fuel

A team of renewable energy experts at the University of Exeter has developed a new method to produce hydrogen from sunlight using a revolutionary photo-electrode. This breakthrough could create a virtually limitless energy source with zero carbon emissions and double the energy density of fossil fuels.

SourceUniversity of Exeter·JournalScientific Reports·DateApr 27, 2018

Porous salts for fuel cells

Researchers have created a new class of crystalline porous organic salts with exceptional proton conductivity, potentially revolutionizing fuel cell technology. The salts' unique structure and strong ionic bonds enable stable pore systems, making them highly efficient electrolytes for fuel cells.

SourceWiley·JournalAngewandte Chemie International Edition·DateApr 19, 2018

New research seeks to optimize space travel efficiency

A team of researchers has developed a framework to optimize fuel and resource usage in space travel. By considering multiple missions together, or campaigns, they can minimize launch mass and cost. The study also explores the use of propellant depots in space, which could significantly reduce fuel needs for future missions.

SourceUniversity of Illinois Grainger College of Engineering·JournalJournal of Spacecraft and Rockets·DateApr 18, 2018

The view from inside supersonic combustion

Researchers used numerical modeling to study the dynamics of supersonic flow, revealing two induced combustion modes and a local quasi detonation mode due to incident shock waves. The simulations provide valuable insights for scramjet engine design, enabling the optimization of mixing and combustion processes.

SourceAmerican Institute of Physics·JournalPhysics of Fluids·DateMar 15, 2018

With computation, researchers identify promising solid oxide fuel cell materials

A team of University of Wisconsin-Madison engineers has discovered new materials that could enable solid oxide fuel cells to operate at lower temperatures, increasing efficiency and reducing costs. The researchers used quantum mechanics-based computational techniques to screen over 2,000 candidate materials, yielding a list of 52 poten...

SourceUniversity of Wisconsin-Madison·JournalAdvanced Energy Materials·DateFeb 22, 2018

New fuel cell technology runs on solid carbon

Researchers at Idaho National Laboratory have developed a new fuel cell technology powered by solid carbon, which can utilize three times as much carbon as earlier designs. The innovation enables lower temperatures and higher power densities, making it potentially more efficient than conventional hydrogen fuel cells.

SourceDOE/Idaho National Laboratory·JournalAdvanced Materials·DateJan 22, 2018

Use of dirty heating oil in NYC concentrated uptown

A study by Columbia University's Mailman School of Public Health found that despite the Clean Heat Program, many buildings continued to burn residual diesel fuel oil, releasing high levels of particulate matter and linked health problems. The researchers recommend new incentives and a building energy rating system to encourage conversion.

SourceColumbia University's Mailman School of Public Health·JournalInternational Journal of Environmental Research and Public Health·DateJan 22, 2018

Lifespan of fuel cells maximized using small amount of metals

KAIST researchers have developed a new technique to improve the chemical stability of electrode materials in solid oxide fuel cells. By employing a small amount of metals, they can extend the lifespan of these energy technology devices. This innovation has the potential to improve the long-term performance and durability of fuel cells.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalEnergy & Environmental Science·DateJan 17, 2018

Study boosts hope for cheaper fuel cells

Researchers at Rice University have optimized nanomaterials for fuel-cell cathodes, revealing that nitrogen-doped carbon nanotubes and graphene nanoribbons can replace platinum to boost fuel cell efficiency. The study showed that the right balance of binding energy is crucial for good catalytic performance.

SourceRice University·JournalNanoscale·DateJan 5, 2018

Columbia engineers develop floating solar fuels rig for seawater electrolysis

Researchers have developed a novel photovoltaic-powered electrolysis device that can operate as a stand-alone platform on open water, producing hydrogen fuel from sunlight and water. The device separates gases using buoyancy-driven product separation, resulting in high product purity without actively pumping the electrolyte.

SourceColumbia University School of Engineering and Applied Science·JournalInternational Journal of Hydrogen Energy·DateDec 15, 2017

Turning emissions into fuel

MIT researchers have developed a new membrane-based system that can convert carbon dioxide into useful fuels for cars, trucks, and planes, as well as into chemical feedstocks. The process uses heat energy from solar or waste sources to store chemical energy in form of useful products.

Desert solar to fuel centuries of air travel

Researchers have demonstrated the full process of making kerosene, the jet fuel used by commercial airlines, using a high-temperature thermal solar reactor to create syngas. The feedstock is essentially unlimited, providing a potentially game-changing alternative to fossil fuels.

SourceSolarPACES·JournalEnergy & Environmental Science·DateNov 15, 2017

Fuel cell X-ray study details effects of temperature and moisture on performance

A recent study at Berkeley Lab's Advanced Light Source used X-ray-based imaging to investigate the effects of temperature and moisture on fuel-cell performance. The research found that even slight saturation produces nearly double thermal conductivity, while water evaporation increases dramatically at 120 degrees Fahrenheit.

SourceDOE/Lawrence Berkeley National Laboratory·JournalElectrochimica Acta·DateNov 13, 2017

Sandia develops optical diagnostic to help improve fuel economy while reducing emissions

Researchers at Sandia National Laboratories have developed an optical diagnostic that can quantify the formation of soot in combusting fuel sprays, enabling engine developers to design advanced combustion strategies for cleaner engines. The device uses a custom engineered diffuser to emit light rays with the same brightness over a spec...

SourceDOE/Sandia National Laboratories·JournalApplied Optics·DateNov 3, 2017

Research aims to help renewable jet fuel take flight

University of Delaware researchers have developed catalysts that transform lignocellulosic biomass into high-carbon molecules suitable for jet fuel, enabling cost-competitive and sustainable production. The process operates at low temperature and is scalable, addressing the need for non-petroleum-based fuels for aviation.

SourceUniversity of Delaware·JournalChemSusChem·DateOct 30, 2017

Turbocharging engine design

Researchers at Argonne National Laboratory used the Mira supercomputer to simulate over 2,000 engine design combinations, reducing design time from months to weeks. The simulations identified two optimized fuel-engine concepts that can improve fuel efficiency substantially.

Fuel economy standards cheaper, more beneficial than previously believed

A new study published in Environmental Science & Technology found that fuel economy standards are not as difficult to meet as previously believed, with potential benefits including lower costs for consumers and automakers. The research also suggests that slightly slower acceleration times can significantly reduce overall emissions.

SourceCollege of Engineering, Carnegie Mellon University·JournalEnvironmental Science & Technology·DateSep 6, 2017

More durable, less expensive fuel cells

The University of Delaware team developed a new technology that can make fuel cells cheaper and more durable. They created a catalyst of tungsten carbide nanoparticles, which improves water management and reduces the burden on the humidification system in fuel cells.

SourceUniversity of Delaware·JournalNature Communications·DateSep 5, 2017