Articles tagged with Hydrogen Automobiles
SwRI successfully developed an optimized spark-ignited hydrogen engine for medium-duty commercial vehicles, demonstrating diesel-like torque characteristics while producing near-zero tailpipe CO2 emissions. The engine was designed, constructed, and rigorously tested to ensure efficiency and performance.
Research from the University of Michigan shows that switching to fuel cells or batteries can reduce lifetime greenhouse gas emissions by up to 90% compared to diesel-powered vehicles. The study found that hydrogen fuel cells and battery electric powertrains offered the largest emissions reductions.
Researchers at Southwest Research Institute (SwRI) have successfully demonstrated a diesel engine system designed to reduce NOx and particulate matter emissions in off-highway diesel vehicles. The system uses exhaust gas recirculation and optimized calibration strategies to achieve significant reductions in emissions.
Research from Newcastle University suggests that hydrogen-powered ground support equipment (GSE) can slash carbon emissions and support airport decarbonisation. The study gathered views from key stakeholders and highlighted the benefits of zero direct emissions, quieter operation, and faster refuelling.
A study from Linköping University finds that locally produced green hydrogen is cheaper to produce at southern latitudes due to favorable solar energy conditions. The cost of green hydrogen production varies across European countries, with Nordic nations facing higher costs due to lack of sunlight.
Eight SwRI hydrogen projects funded by ENERGYWERX will evaluate new technology and existing infrastructure for a hydrogen-powered future. The projects, conducted at SwRI's Metering Research Facility, aim to improve energy infrastructure and support the use of clean-burning fuel.
A new anion-exchange-membrane water electrolyzer technology has been developed to address the degradation issue in membrane electrolyzers. This innovation combines the efficiency of simple caustic or alkaline electrolytes with the low-cost material advantages of solid polymer membranes.
The upgraded engine features a state-of-the-art turbocharger, increasing peak torque from 1,494 to 1,760-foot pounds and peak power from 370 to 440 horsepower. The engine's peak efficiency has also improved to 44.0%, class-leading for a spark-ignited engine.
Researchers are developing a detection system to identify pre-ignitions in hydrogen internal combustion engines (H2-ICE) using machine learning algorithms and onboard sensors. The project aims to address the challenges associated with H2-ICE pre-ignition, which can degrade engine performance and compromise its mechanical integrity.
Researchers at Linköping University developed a new combined material to produce 'green' hydrogen more effectively. The material uses sunlight to split water into hydrogen, promising a renewable energy source for heavy transport.
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.
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 Hydrogen Engine Alliance of North America aims to educate the public about hydrogen's potential and build support for infrastructure development. It will foster innovation and collaboration across sectors to ensure that internal combustion engine vehicles contribute meaningfully to North America's hydrogen ecosystem.
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.
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.
A new strain of algae has been identified that can produce green hydrogen gas via photosynthesis on an industrial scale. This breakthrough could accelerate the transition to environmentally friendly green hydrogen and reduce pollution. The researchers also plan to develop methods to increase production rates and reduce costs.
Functionalized metal-organic frameworks (MOFs) show improved hydrogen interaction, increasing storage capabilities by 15-80%. The study uses machine learning to predict binding energy and reduce computationally heavy calculations.
A research team at POSTECH developed a new catalyst that improves the durability of automotive fuel cells when shut down. The Pt/HxWO3 catalyst promotes hydrogen oxidation and selectively suppresses oxygen reduction reactions, solving the corrosion issue.
A new study by UBC researchers provides a comprehensive model for hydrogen adoption in British Columbia, recommending a refuelling infrastructure and production plants to support the adoption of hydrogen-powered cars. The study sees significant growth in hydrogen demand every year, provided policies like B.C.'s carbon tax are maintained.
A new method of increasing reactivity in ultrathin nanosheets can make fuel cells for hydrogen cars cheaper, promising faster and more efficient production. By tuning the materials' thinness, researchers can create more strain, changing material properties and accelerating reactions.
Scientists have used metal-organic frameworks (MOFs) to set a new record for hydrogen storage capacity under normal operating conditions. The researchers found that a MOF called Ni2(m-dobdc) had the highest hydrogen-storage capacity, with 11.9 g of fuel per liter of MOF crystal.
Researchers at UCLA have developed a 2-in-1 device that uses solar energy to create and store hydrogen fuel for eco-friendly cars. The technology produces hydrogen using abundant and less expensive elements, making it more affordable for consumers.
Researchers at Indiana University have developed a highly efficient biomaterial that catalyzes the formation of hydrogen gas from water. The material, called P22-Hyd, is produced through a simple fermentation process at room temperature and has potential to replace platinum-based fuel cells.
A Swiss Federal Laboratories for Materials Science and Technology (EMPA) study found that fuel cells for cars are only ecologically sound if they run on hydrogen from renewable energy sources. Electric cars powered by EU electricity also produce more environmental pollution than gasoline-powered cars.
Researchers at the University of Copenhagen have developed a new fuel cell design that produces as much electricity as current models but requires significantly less platinum, a rare and valuable precious metal. The discovery, published in Nature Materials, could lead to more economically viable fuel cell production.
Researchers are exploring three materials - magnesium borohydride, ammonia borane, and alkanes - that could be used to create a safe and efficient hydrogen storage solution. Hydrogen has great promise as an alternative fuel due to its abundance and energy content.
Sholl's research uses metal hydrides like alanates and borohydrides to create lightweight, low-cost storage materials. This could improve the efficiency of hydrogen cars and reduce pollution.
Researchers at the University of Bath have invented a new material that stores and releases hydrogen at room temperature, promising to solve the main problem holding back hydrogen-powered cars. The material could be used in combination with metal hydride sources to store and release energy instantaneously.
NIST researchers discovered that metal-organic frameworks (MOFs) can store up to 10% of their weight in hydrogen at low temperatures. The nano-cage structure offers a promising approach for storing and releasing hydrogen, which could potentially replace fossil fuels in future automobiles.
PNNL's compact steam reformer can produce large amounts of hydrogen-rich gas from a liquid fuel in just 12 seconds, significantly reducing the delay time for hydrogen fueling. The reformer's design features microchannels that provide high rates of heat and mass transport, allowing for faster reactions and reduced system size.
The American Physical Society's Hydrogen Initiative report emphasizes the need for significant scientific breakthroughs to make the initiative successful. Current production methods are four times more expensive than gasoline, and no material exists to construct a hydrogen fuel tank that meets consumer benchmarks.
Researchers argue that improving current cars and environmental rules is more cost-effective than developing hydrogen fuel cells, which require significant investment in infrastructure. Increasing fuel efficiency or raising prices can achieve similar reductions in air pollution and greenhouse gas emissions without the need for new infr...