Articles tagged with Hydrogen Storage
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 Penn State discovered that coal can act as a geological hydrogen battery, storing hydrogen for future use. The team found that coal's unique structure and properties make it an ideal material for hydrogen storage, with low-volatile bituminous coal performing best in tests.
Researchers from Tianjin University provide an insightful review of proton exchange membrane fuel cells (PEMFCs) for small-scale applications. The study highlights the unique attributes of PEMFCs, such as high energy densities and low pollution emissions, making them suitable for portable power generation, unmanned aerial vehicles, and...
Researchers have created a transformer model for Metal-Organic Frameworks (MOFs), allowing for faster results and less data. The MOFTransformer model predicts key properties such as hydrogen storage capacity with improved accuracy.
Researchers at Aarhus University are studying electro-trophic microorganisms that convert green electricity and CO2 into high-value products. The project aims to understand the underlying mechanisms of these microbes, which could lead to breakthroughs in microbiological Power-to-X and novel tools for microbial corrosion prevention.
A team of researchers has identified the key stumbling block of a common solid-state hydrogen material, MgH2. The study, published in Journal of Materials Chemistry A, reveals that a 'burst effect' during dehydrogenation leads to sluggish kinetics, hindering commercial application.
Transition metal nitrides (TMNs) show high intrinsic electrocatalytic activities on hydrogen evolution reaction (HER), thanks to their unique electronic structures and properties. Recent strategies like facet, alloying, doping, vacancy, heterostructure, and hybridization have improved TMN performances.
A new project at Aarhus University aims to develop Denmark's first reactor for carbon-negative hydrogen production from biogas using catalytic pyrolysis. The technology converts captured CO2 into solid form while producing hydrogen, reducing energy consumption by one-fifth compared to green hydrogen production.
Researchers from Osaka University have developed a novel method for hydrogen purification using liquid organic hydrogen carriers, achieving high efficiency and purity. This breakthrough could increase the mid- and long-term prospects of hydrogen as a sustainable energy source.
Scientists have developed a method to store and release highly pure hydrogen using salts in the presence of amino acids, which could make large-scale hydrogen storage more feasible. The technique uses potassium salts, manganese-based catalysts, and amino acids to produce high-yield and pure hydrogen with minimal byproducts.
Researchers have demonstrated that hydrogen condenses on a surface at low temperatures, forming a super-dense monolayer with a volume of just 5 liters per kilogram H2. This breakthrough could enable more efficient cryogenic hydrogen storage systems for the coming hydrogen economy.
Researchers at Institute of Physics, Chinese Academy of Sciences have discovered new hafnium polyhydrides exhibiting superconductivity above 80K, a temperature threshold previously unattained by any 5d transition metal hydride. The study reveals these compounds display high critical fields and Ginzburg-Landau superconducting coherent l...
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...
Scientists investigated the local structure of a high-entropy Cantor alloy using X-ray absorption spectroscopy, revealing structural relaxations in chromium atoms and no evidence of secondary phases. The study correlated these findings with macroscopic magnetic properties.
Researchers have developed a rigorous computer simulation technique to optimize LNG tank design, reducing construction costs while improving safety against catastrophic failures. The new model can be used to mitigate environmental and economic consequences of failure, enabling Australia to store more energy at the right time.
Researchers from Goethe University Frankfurt have developed a biobattery for hydrogen storage using bacteria that can bind and release hydrogen in a reversible process. The system has been shown to store and release hydrogen stably over long periods, making it a promising solution for carbon-neutral energy production.
Researchers at North Carolina State University have developed a new technique for extracting hydrogen gas from liquid carriers, making it faster, less expensive and more energy efficient. The new method uses sunlight and a reusable photocatalyst to release hydrogen molecules, reducing the need for rhodium and lowering production costs.
Researchers have successfully stored liquid fuels like ethanol in polymeric gels, drastically reducing evaporation rates and flammable gas mixtures. The development of this method aims to create safer work environments in industries that use liquid fuels.
A team of Texas A&M University researchers has created a monitoring system that can rapidly detect and track the movement of carbon dioxide stored underground. Using unsupervised machine learning, their system can identify CO2 plumes and locations with high accuracy, reducing the risk of unregistered escapes.
Researchers from UC Berkeley found that a photovoltaic array using compressed hydrogen for energy storage can efficiently power human missions on Mars. The system beats out nuclear power across about 50% of the Martian surface.
A new study from St John's College, University of Cambridge suggests that robots can help produce solar fuels, accelerating the world's transition to green renewables. The 'cyber-leaf' concept uses AI and robots to create sustainable syngas, reducing reliance on fossil fuels.
A chemical used in electric vehicle batteries can also power rockets and satellites, reducing CO2 emissions and requiring less storage. The new fuel, ammonia borane, releases more energy than traditional hydrocarbon fuels and has no environmental impact.
A study published in Frontiers in Energy Research calculates the costs of a CO2-neutral Switzerland, finding that three different energy systems would require significant investments and increased energy costs. The most efficient option is electrifying the entire energy supply, but this comes with the challenge of storing enough renewa...
A new catalyst developed by researchers extracts hydrogen from liquid organic hydrogen carriers (LOHCs) easily and efficiently. The breakthrough offers a promising solution to adopting hydrogen fuel for transportation, addressing a long-standing challenge.
Researchers have developed a tailored polymer membrane to encase micrometer-sized metal hydrides, improving the storage of hydrogen. The coating prevents surface oxidation and long-range separation of components, enabling more efficient energy storage.
Scientists at Vienna University of Technology have successfully integrated large surface areas of graphene into limited volumes by producing it on complex branched nanostructures. This breakthrough enables increased storage capacity for hydrogen and higher sensitivity in chemical sensors.
Researchers have created nanoparticles that can store hydrogen, reducing the need for pressurized tanks and cooling. The discovery could enable climate-friendly fuels and production methods for airplanes, ships, and steel.
A new process for decentralized hydrogen production has been developed, using chemical-looping to produce high-purity hydrogen directly from biogas. The technology is now ready for commercial use and could make hydrogen production more competitive with other methods.
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.
Dr. Mohammad Al Hashmi's research focuses on reducing energy consumption in residential buildings in hot and arid climates using renewable energy systems such as solar and wind power. His framework combines building interventions and clean energy approaches to minimize environmental impact.
Researchers have found compounds based on gold, silver, and copper that can store hydrogen in a stable manner. These 'metal hydride' complexes could be used to store hydrogen for use in vehicles, potentially revolutionizing the production of clean energy.
Researchers have discovered that lattice softness is the dominant factor affecting a metal's ability to hydrogenate, enabling the expedited development of hydrogen storage materials. This parameter can also be used to evaluate the hydrogenation ability of intermetallic compounds.
A research team at UNIST has developed a novel technique that converts liquid ammonia into green hydrogen with high purity and efficiency. The method consumes significantly less power than traditional electrolysis of water, making it an attractive alternative for hydrogen production.
A clean US hydrogen economy is achievable but requires a comprehensive strategy and infrastructure development. The US needs to consider the production, transport, storage, use, and economic viability of hydrogen to make it viable on a societal scale.
Researchers at GIST find optimal hydrogen-natural gas blend to enhance H2 storage capacity, achieving unprecedented findings. The study's results may help design HNGB hydrate storage media for blue hydrogen production.
Scientists have developed a new method to directly observe the filling and emptying of tiny pores in materials, revealing complex mechanisms behind guest-atom interactions. This breakthrough uses combined X-ray methods to provide empirical insights into confined matter in battery electrodes, catalysts, and hydrogen storage materials.
Recent advancements in experimental tools and multiscale modeling have improved understanding of hydrogen's location in ferritic steels under mechanical loading. Various techniques, including atom probe tomography and secondary ion mass spectrometry, show promise in determining the embrittlement process.
A new aluminum-based metal-organic framework material exhibits high gravimetric and volumetric uptake and delivery of methane and hydrogen. The material outperforms Department of Energy targets for methane storage, with a deliverable capacity of 14% by weight for hydrogen.
Researchers at Northwestern University have developed a new material with ultrahigh porosity and surface area for storing hydrogen and methane. This breakthrough could enable the creation of more efficient fuel cell-powered vehicles by allowing for lower-pressure gas storage and reduced costs.
University of Groningen physicists have visualized hydrogen atoms at the titanium/titanium hydride interface, resolving a long-standing challenge in materials science. The new technique allows for the observation of both heavy titanium and light hydrogen atoms, shedding light on their interaction and properties.
Researchers have discovered that hydrogen boride nanosheets can store and release significant amounts of hydrogen under ultraviolet light, making them a promising material for hydrogen carriers. The discovery reinforces the view that these nanosheets could go beyond graphene as a multifunctional material.
Researchers developed a practical gas phase modulator synthesis of hydrogen-natural gas blend (HNGB) without chemical waste, minimizing environmental impact. The new approach allows for efficient storage and transportation of hydrogen using clathrate hydrates.
A new material made from manganese hydride has been discovered, enabling the design of smaller, cheaper, and more efficient fuel tanks for hydrogen-powered vehicles. This breakthrough could lead to longer driving ranges and reduced production costs.
Researchers at the Weizmann Institute of Science have developed a chemical storage system based on simple and abundant organic compounds. The system uses ethylenediamine and methanol to store and release hydrogen with high theoretical capacity and efficiency.
Researchers at MIT have developed a new microscopy technique that allows the observation of a metal surface during hydrogen penetration. This breakthrough could lead to safer reactor vessels and more efficient hydrogen storage tanks. The technique, which uses a liquid electrolyte to expose metal surfaces to a hydrogen environment, has ...
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.
The study found that transferring an electric charge equivalent to 0.4 electrons from Pd to MOFs enables electron bands in Pd nanocubes to store more hydrogen, resulting in doubled storage capacity for hybrid materials. Hybrid materials with superior hydrogen storage properties or catalytic capabilities may be developed using this method.
The nickel-hydrogen battery boasts an energy density of approximately 140 Wh per kg and rechargeability over 1,500 cycles. With a potential cost of around $83 per kilowatt-hour, it could represent a low-cost option for long-term energy storage needs.
Researchers at Rutgers University have developed star-shaped gold nanoparticles that can produce hydrogen from water over four times more efficiently than other methods. The breakthrough uses visible and infrared light to excite electrons in the gold nanoparticles, which then catalyze the reaction.
Researchers found that gold palladium alloys improve hydrogen storage rates by making the surface less stable for hydrogen atoms to chemisorb. This encourages atoms to penetrate deeper into the metal, increasing overall absorption efficiency.
A new dynamic model proposes a seasonal control strategy with ceria particles to buffer the effect of solar radiation variation, enabling continuous hydrogen production. The system can store and release heat as needed, maximizing solar energy utilization and potentially increasing efficiency.
Researchers at Rice University have developed a new 'white graphene' architecture that can store hydrogen with unprecedented capacity in boron nitride nanomaterials. The optimal design features a specific spacing and arrangement of boron nitride sheets and pillars, resulting in improved hydrogen absorption and release capabilities.
The proton battery uses a carbon electrode as a hydrogen store, coupled with a reversible fuel cell to produce electricity. It stores more energy per unit mass than commercially available lithium ion batteries and has the potential to power electric vehicles and medium-scale storage on electricity grids.
Researchers from NIST have developed a new material mix that combines metal-organic frameworks (MOFs) with 3-D printer plastic, showing promise for sensing and storage applications. The mixture retains more than 50 times more hydrogen than plastic alone, suggesting the MOFs are still functioning effectively while inside the plastic.
Researchers at Berkeley Lab developed graphene-wrapped magnesium nanocrystals with enhanced hydrogen storage properties. The study found that an atomically thin layer of oxidation forms on the crystals without degrading their performance.
A Penn State researcher has been awarded a grant to develop a 'hydrogen sponge' technology that could efficiently store hydrogen fuel for use in fuel cell vehicles. The technology uses supercritical liquid form to condense the gas, allowing for storage at ambient temperature and low-pressure conditions.
Scientists studied the effect of noble gas argon on pressurized hydrogen and found that it did not ease the transition to a metallic state. The team brought argon-doped hydrogen up to extreme pressures, but observed no structural changes, indicating that argon is not the ideal facilitator for metallic hydrogen.
Researchers at Lawrence Livermore National Laboratory have developed an efficient hydrogen storage system that can increase the energy carrier's viability. By incorporating nanoconfinement and analyzing internal 'nano-interfaces,' the team found a new paradigm for hydrogen storage, enabling faster performance and reversibility.
Researchers at Sandia National Laboratories have created a method to enhance hydrogen storage properties by confining nanoparticles, enabling quick refueling for hydrogen fuel cell electric vehicles. The new material shows high lithium nitride content and rapid hydrogen absorption and release rates.
The startup aims to develop a solid-state solution for hydrogen storage, offering a clean and efficient alternative to traditional methods. The technology has the potential to make hydrogen energy self-reliant and reduce carbon emissions.