Articles tagged with Hydrogen Fuel Cells
Researchers at the University of Electro-Communications have developed a new, cost-effective catalyst using nitrogen-doped graphene that outperforms traditional platinum. This breakthrough enables the creation of high-performance, low-cost fuel cells, bringing mainstream sustainable energy closer to reality.
Researchers have developed a new computational workflow combining generative AI with atomistic simulations to identify promising platinum alloy catalyst structures for hydrogen fuel cells. The method produces high-performing candidates from several material combinations, addressing a longstanding challenge in catalyst design.
Researchers at Washington University in St. Louis have found ways to stabilize ubiquitous iron components for use in fuel cells, replacing expensive platinum metals. This innovation aims to lower costs for fuel-cell vehicles and other niche applications, enabling widespread adoption of hydrogen fuel-cell technology.
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.
A study by Seoul National University of Science & Technology found that expanding hydrogen fuel cell heavy-duty trucks could reduce carbon dioxide emissions by approximately 8.74 million tons. Public willingness to pay for this transition amounts to KRW 572.4 billion, far exceeding the prevailing carbon credit price.
Researchers at RIKEN have developed a mechanochemical method to increase hydrogen saturation in perovskite powder, doubling its capacity. This discovery has significant implications for environmental sustainability and the potential for a hydrogen-based economy, as it enables more efficient production of ammonia fertilizer.
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.
Researchers at WVU have designed a fuel cell that can switch between storing and generating electricity, making it suitable for balancing an overwhelmed US electrical grid. The new design, called conformally coated scaffold, stays stable even at high temperatures and humidity levels.
SwRI has created a novel controller system to test fuel cell stacks under normal and extreme driving conditions, enhancing performance and efficiency. The project aims to develop predictive control models for humidity management, improving fuel cell performance and reliability.
Researchers at the University of Leicester have developed a technique using soundwaves to separate valuable catalyst materials and fluorinated polymer membranes from catalyst-coated membranes. This breakthrough addresses critical environmental challenges posed by PFAS, which contaminate drinking water and have serious health implications.
Researchers at UCLA developed a novel catalyst design that shields platinum from degradation, enabling fuel cells to power heavy-duty trucks reliably for up to 200,000 hours. This breakthrough could make hydrogen fuel cells a more viable clean energy source for long-haul trucking.
The new electrolysis test centre at TU Graz enables researchers to conduct realistic tests on next-generation large engines, turbines, and fuel cell stacks. The facility produces up to 50 kilogrammes of hydrogen at full capacity.
The article explores how AI is accelerating the development of fuel cell materials by predicting stability, performance, and optimizing system control. Machine learning techniques have been successfully applied to various types of fuel cells, including proton exchange membrane fuel cells and solid oxide fuel cells.
The SNU-Hyundai joint research developed an innovative analysis technique, e-LCTEM, to rapidly evaluate fuel cell catalyst durability and identify degradation mechanisms. This technology accelerates durability testing, reducing evaluation costs and paving the way for more efficient catalyst verification.
Researchers at Nagoya University have developed a novel fuel cell electrolyte concept using phosphonic acid polymers with hydrocarbon spacers. The new membrane exhibits improved water insolubility, chemical stability and conductivity under high-temperature and low-humidity conditions.
A research team at DGIST has developed a breakthrough technology that improves fuel cell durability by incorporating nitrogen into alloy catalysts. The new method significantly enhances stability and reduces platinum usage, leading to more efficient and sustainable energy solutions.
Researchers developed a highly sensitive hydrogen detection system using tunable diode laser absorption spectroscopy (TDLAS) with high selectivity and rapid response. The new method achieved accurate measurements of hydrogen concentrations from 0.01% to 100%, improving the detection limit at longer integration times.
Researchers at Chalmers University of Technology have developed a new method to study fuel cell degradation, allowing them to pinpoint exactly when and where the material degrades. This provides valuable information for developing new and improved fuel cells with a longer lifespan.
A newly developed perovskite with large intrinsic oxygen vacancies achieves high proton conduction at low and intermediate temperatures. The material can take up more water to increase its proton concentration, reducing proton trapping through electrostatic repulsion between the dopant and proton.
Researchers at RIKEN have developed a new catalyst that reduces the amount of iridium required for hydrogen production, achieving 82% efficiency and sustaining production for over 4 months. The breakthrough could revolutionize ecologically friendly hydrogen production and pave the way for a carbon-neutral energy economy.
Researchers at RIKEN have improved the stability of a green hydrogen production process by using a custom-made catalyst, increasing its lifetime by almost 4,000 times. The breakthrough uses earth-abundant materials, making it more sustainable and potentially cost-effective for widespread industrial use.
Researchers have decoded the multiple oxidation processes at the platinum-electrolyte interface in high-temperature PEM fuel cells using tender X-ray studies. The results show that variations in humidity can influence some of these processes to increase the lifetime and efficiency of fuel cells.
Researchers at Chiba University have discovered that adding caffeine to certain platinum electrodes can increase the activity of the oxygen reduction reaction. This discovery has the potential to reduce platinum requirements in fuel cells, making them more affordable and efficient.
A new method enhances electrochemical surface area in calcium-doped perovskite, La0.6Ca0.4MnO3, overcoming common bottlenecks in hydrogen fuel cell applications. The activated material demonstrates superior oxygen reduction reaction performance.
Researchers created a polymer electrolyte membrane with an interpenetrating network that enhances fatigue resistance and prolongs the lifespan of fuel cells. The composite membrane exhibits a lifespan of 410 hours, compared to 242 hours for the original Nafion membrane.
Scientists at Kyushu University use machine learning to identify promising green energy materials, accelerating the search for hydrogen fuel cell efficiency and expanding material discovery capabilities. Two new candidate materials with unique crystal structures have been successfully synthesized.
University of Waterloo researchers investigate how fuel cell-powered trucks can replenish overworked electricity grids with clean energy. The study proposes a mobile generator system, where idled electric vehicles act as power sources, reducing peak demand and carbon emissions.
Researchers have developed a solid electrolyte that allows for efficient hydride ion conduction at room temperature, enabling the creation of safer, more efficient hydrogen-based batteries and fuel cells. This breakthrough provides material design guidelines for the development of next-generation energy storage solutions.
Researchers at the University of Seville have developed a bioinspired PEM fuel cell design that improves the distribution of liquid water inside these batteries. This approach has the potential to significantly enhance the efficiency and durability of PEM fuel cells, leading to more efficient and sustainable energy systems.
Researchers have made significant strides in understanding the relationship between hydrogen partial pressure and PEMFC performance, revealing a pronounced decline in performance as hydrogen partial pressure decreased. The study aims to simplify fuel cell quality testing, cost reduction, and reduced safety requirements.
Researchers at University at Buffalo have discovered a way to create strong and effective fuel cell catalysts that approach the performance of platinum. By adding hydrogen to the fabricating process, they were able to balance durability and efficiency, potentially making fuel cells more affordable and polluting-free.
A team of researchers from the University of Science and Technology of China has designed a rechargeable hydrogen-chlorine battery that operates in a wide temperature range, from -70°C to 40°C. The battery boasts high Coulombic efficiency and stability, with improved reversibility thanks to a hierarchically porous carbon cathode.
Scientists have developed a new method to create catalysts for hydrogen fuel cells, making them cheaper and more efficient. The breakthrough could lead to the widespread adoption of clean energy and reduce greenhouse gas emissions.
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.
Researchers from NTU Singapore and ETH Zurich have developed a clean and sustainable material to build zero-waste fuel cells using chicken feathers. The membrane, made from protein amyloid fibrils, conducts protons and reduces carbon emissions from burning unwanted chicken feathers.
Researchers at the University of Seville have developed a more efficient configuration for proton-exchange membrane fuel cell batteries, increasing their performance by up to 10%. The new design outperforms other options and reduces energy consumption, making it suitable for use in electric vehicles.
Researchers developed a poly(p-terphenyl isatin) anion exchange membrane with quaternary ammonium and piperidine cations that provides excellent mechanical properties and OH-ion conductivity. The material's stability and tensile strength reach new heights, paving the way for industrialized application of anion-exchange membranes.
A new catalyst designed by researchers at City University Hong Kong and tested by Imperial College London could boost renewable energy storage. The catalyst uses single atoms of platinum to produce an efficient but cost-effective platform for water splitting, paving the way for cheaper hydrogen production.
Researchers at USTC developed a new anode catalyst with high activity and high resistance to ammonia poisoning for AEMFC. The Cr-doped MoNi4 catalyst showed significant improvement over traditional Pt/C catalysts, maintaining peak power density under 10 ppm NH3.
A team of researchers at UNIST has developed solid electrolyte materials utilizing metal-organic frameworks (MOFs) to improve the efficiency of hydrogen fuel cells. The new materials demonstrate high hydrogen ion conductivity and durability, holding promise for advancing sustainable energy solutions.
Scientists have synthesized proton-conductive membranes based on partially fluorinated aromatic ionomers, which exhibit high durability and ion conductivity. These membranes outperform existing ones in fuel-cell operation, chemical stability, and mechanical properties, paving the way for more powerful and affordable electric vehicles.
A team of researchers from China and the UK has developed new ways to optimise the production of solar fuels by creating novel photocatalysts. These photocatalysts, such as titanium dioxide with boron nitride, can absorb more wavelengths of light and produce more hydrogen compared to traditional methods.
Researchers at Pohang University of Science & Technology developed a selective catalyst that curbs corrosion in fuel cells, increasing durability three times compared to traditional catalysts. The catalyst's performance is attributed to the robust interaction between titanium dioxide and platinum.
University of Rochester researchers create a groundbreaking system mimicking photosynthesis using bacteria and nanomaterials to produce clean-burning hydrogen fuel. The innovative approach replaces fossil fuels in the process, offering an environmentally friendly alternative.
Researchers used ALD to create eco-friendly exhaust gas catalysts, lithium-ion battery coatings, and hydrogen fuel cells. The technology improves catalytic and energy material performance through precise control of film thickness and composition.
Nagoya University researchers have developed a poly(styrenesulfonic acid)-based PEM with an ultrahigh density of sulfonic acid groups, exceeding five times that of typical commercially available membranes. The new membrane exhibits a proton conductivity of 0.93 S/cm at 80°C under 90%RH, six times higher than Nafion or Selemion under th...
The system uses a parabolic dish to concentrate solar radiation, which is then converted into hydrogen, oxygen, and heat through photoelectrochemical cells. The output power exceeds 2 kilowatts, achieving record-high efficiency for its scale, with potential applications in industrial, commercial, and residential energy.
Researchers at Tokyo University of Science have developed a novel platinum nanocluster catalyst that exhibits 2.1 times higher oxygen reduction reaction activity than commercial catalysts. The study reveals that the high activity is due to the electronic structure of surface Pt atoms, which is suitable for ORR progress.
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 have developed a novel process to convert nitrogen and hydrogen into ammonia at ambient temperature and pressure with high energy efficiency. The process uses a solid polymeric electrolyte and eliminates the need for purification, producing pure ammonia gas.
The study found that operating temperatures between 70-90°C enhance electrical performance as long as reactant humidity is maintained high. Water diffusivity and electro-osmotic drag improve ion conductivity despite increased current densities.
Researchers at TU Wien have detected clear indications of chaos in chemical reactions on nanometer-scale rhodium crystals, a phenomenon previously unseen in atomic scale systems. The coupling behavior can be controlled by changing the hydrogen concentration, leading to a transition from ordered to chaotic behavior.
A novel method has been developed to produce platinum-based alloy nanoparticles for efficient hydrogen fuel cells. The nanocatalysts exhibit enhanced power performance and stability, with high specific rated power of 5.9 kW/g Pt, surpassing 2025 targets set by the U.S. Department of Energy.
Scientists at EPFL have created a device that combines semiconductor-based technology with novel electrodes to harness water from the air and produce hydrogen gas powered by sunlight. The transparent, porous, and conductive electrodes mimic the properties of plant leaves, which convert sunlight into chemical energy through photosynthesis.
Developed by Incheon National University researchers, the new membranes exhibit high mechanical strength, phase separation, and ionic conductivity. The 40% crosslinked membrane showed the highest relative humidity, normalized conductivity, and peak power density, surpassing commercial membranes.
Researchers have gained insight into the electronic structure of hydrated proton complexes, revealing that three inner water molecules are drastically modified by the proton. The first hydration shell senses the electric field of the proton through Coulomb interactions.
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.
A UCLA team has made a significant breakthrough in developing hydrogen fuel cell technology that uses tiny graphene pockets to increase efficiency and reduce platinum usage. The new approach enables the creation of smaller particles with more surface area, allowing for better catalytic activity and increased durability.
A new method to improve solid-state hydrogen fuel cell charging times has been developed by researchers from the University of Technology Sydney. The study used a semi-cylindrical coil heat exchanger, which significantly improved heat transfer performance and reduced charging time by 59%. This innovation has the potential to revolution...
A team of researchers from Tokyo University of Science has developed a novel multi-proton carrier complex that shows efficient proton conductivity even at high temperatures. The resulting starburst-type metal complex acts as a proton transmitter, making it 6 times more potent than individual imidazole molecules.