Articles tagged with Oxide Fuel Cells
Researchers developed a miniaturized solid oxide fuel cell microreactor to power edge devices like drones and AI hardware with high energy density. The device features an innovative structural design with thermal insulation and a multilayered insulation system, solving thermal stress and safety concerns.
Researchers at DTU Energy and DTU Construct developed a new fuel cell design using 3D printing and gyroid geometry for improved surface area and weight. The Monolithic Gyroidal Solid Oxide Cell delivers over one watt per gram, making it suitable for aerospace applications.
Scientists at Kyushu University have created a solid oxide fuel cell that operates at a low temperature of 300°C, overcoming a major hurdle in their development. The breakthrough uses scandium to create a 'ScO6 highway' for protons to travel efficiently, enabling the production of affordable hydrogen power.
A team of researchers led by Professor Beom-Kyeong Park has made a breakthrough in enhancing solid oxide fuel cell efficiency with a rapid PrOx coating method. The study demonstrated significant enhancements in SOFC electrode performance, reducing polarization resistance and boosting peak power density.
Researchers have developed a novel perovskite-based anode material with mixed hole–proton conduction, achieving high efficiency at low and medium temperatures. The breakthrough could pave the way for important technological advancements in energy technologies.
Bismuth-containing Sillén oxyhalides exhibit exceptional oxide ion conductivity at lower temperatures, paving the way for more efficient solid oxide fuel cells. The materials' high conductivity and stability were achieved through triple fluorite-like layers with interstitial oxygen sites.
Researchers at Tokyo University of Science developed nanostructured hard carbon electrodes using inorganic zinc-based compounds, which deliver unprecedented performance and significantly increase the capacity of sodium- and potassium-ion batteries. The new electrodes improve energy density by 1.6 times compared to existing technologies.
A team led by Professor Yoshihiro Yamazaki from Kyushu University discovered the chemical innerworkings of a perovskite-based electrolyte developed for solid oxide fuel cells. By combining synchrotron radiation analysis, large-scale simulations, machine learning, and thermogravimetric analysis, they found that protons are introduced at...
Researchers found that a 2% reduction in atomic distance on the surface leads to a significant decrease in hydrogen ion conductivity, reducing fuel cell performance. Developing methods to mitigate this strain is crucial for improving high-performance fuel cells for clean energy production.
Researchers at Ural Federal University have synthesized a proton conductor with high electrical conductivity, which could become the basis for solid oxide fuel cells. The new material is potentially cost-effective and exhibits higher electrical conductivity than other solid-state conductors.
Researchers have developed a new hexagonal perovskite-related oxide with excellent ionic conduction at intermediate and low temperatures, paving the way for efficient solid oxide fuel cells. The material's stability and ion conduction remain dominant in reducing atmospheres.
Scientists have developed a unique measurement technique to study oxygen exchange pathways on pristine SOFC cathode surfaces, revealing that different materials follow the same mechanism. This breakthrough enhances understanding of defects and optimizes material performance.
Researchers at Washington University in St. Louis have developed a bifunctional catalyst for the oxygen electrode, enabling high round-trip energy efficiency in unitized regenerative fuel cells. The catalyst, Pt-Pyrochlore, has a bifunctionality index of 0.56 volts and achieved a RTE of 75%.
A Northwestern University research team proposes a practical way to make ships CO2-neutral using solid oxide fuel cells. The technology can store and utilize captured CO2, enabling CO2-negative emissions from cargo ships. This method is more viable than battery electric or hydrogen fuel cell options for long-range vehicles.
A team of researchers at Michigan State University has developed more heat resilient silver circuitry by adding an intermediate layer of porous nickel, which helps to improve adhesion to ceramic components. The technology has the potential to benefit various industries, including automotive, aerospace, and energy.
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...
Researchers at Pohang University of Science & Technology developed a miniaturized solid oxide fuel cell that can power drones for more than an hour. The fuel cell's high power density and durability make it suitable for portable electronic devices, including smartphones and laptops.
Researchers at PNNL found that natural gas solid oxide fuel cells can reduce greenhouse gas emissions by 56% compared to conventional coal plants, while also lowering electricity costs. The technology could play a significant role in meeting future energy demand and help offset costs by selling excess power back to the grid.
Researchers at Case Western Reserve University are studying ways to make solid oxide fuel cells last longer and more efficiently. They will test small lab-scale fuel cells under accelerated ageing conditions to identify the culprits behind performance loss.
The ORNL research team achieved virtual perfection at the oxide interface of two insulator materials by tweaking the formula for growing oxide thin films. This discovery has significant ramifications for creating novel materials with applications in solar cells, batteries, fuel cells, transistors and capacitors.
A new small-scale solid oxide fuel cell system achieves up to 57 percent efficiency, significantly higher than previous systems of its size. The system uses methane as fuel and incorporates microchannel technology and external steam reforming for increased efficiency and scalability.
The new technique uses barium oxide nanoparticles to adsorb moisture, initiating a water-based chemical reaction that oxidizes carbon deposits, keeping nickel electrode surfaces clean. This allows solid oxide fuel cells to be powered directly by coal gas at low temperatures, reducing carbon emissions and increasing efficiency.
Researchers used ambient-pressure XPS to examine every feature of a working solid oxide electrochemical cell, operating in an atmosphere of hydrogen and water vapor at high temperatures. This allowed for direct measurement of local chemical states and electric potentials at surfaces and interfaces during the cell's operation.
The new BZCYYb material tolerates high concentrations of hydrogen sulfide, resists carbon build-up, and can operate efficiently at low temperatures. Its development could lead to more compact and cost-effective solid oxide fuel cells with increased range of applications.
The partnership aims to develop a micro fuel cell system with potential industrial applications, offering advantages such as fuel versatility and fast start-up times. Researchers from both organizations will conduct joint research at each other's labs.
Researchers at Northwestern University have developed a new solid oxide fuel cell that converts liquid transportation fuels into hydrogen, offering a more efficient and cost-effective alternative to current technologies. The cells could lead to widespread adoption of hydrogen power in applications such as cars, trucks, and homes.
The Pacific Northwest National Laboratory and NASA's Glenn Research Center have partnered to develop new sealing technologies for solid oxide fuel cells. The goal is to improve the strength and fracture toughness of composite glass and glass-ceramic-based seals, enabling long-term stable operation of SOFCs.
Researchers at Alberta Research Council have developed a working demonstration unit of micro fuel cell technology, capable of powering a small electric fan. The single-cell fuel cell uses hydrogen gas as a fuel and can be adapted to run on various fuels, including natural gas and butane.