Articles tagged with Nickel
Researchers have developed a biointegrated material that resists hydration and increases in strength to values above commodity plastics when wet. The process does not alter the biological nature of chitosan, enabling seamless reintegration into natural ecological cycles.
Researchers at the University of Illinois Urbana-Champaign have developed a new method for synthesizing thermally stable Ni(I) compounds that opens new avenues for building complex molecules. The new catalysts exhibit rapid ligand substitution, exceptional performance in key reactions, and chemo-selectivity.
Researchers from POSTECH found that aluminum reduces internal structural distortion in cathodes, preventing oxygen holes and shortening battery life. By adding a small amount of aluminum, the team extends battery lifespan while improving energy density.
Researchers at Max Planck Institute present efficient and low-CO2 process to extract copper, nickel, and cobalt from deep-sea ore nodules. The method generates significantly less waste and deforestation compared to traditional land-based mining.
A study from OIST shows that abrasion from common additives can lead to efficient reactions under mechanochemical conditions. Abrasive materials like tungsten carbide or diamond powder activate catalysts and drive coupling reactions. This finding changes the way researchers think about mechanochemical catalysts.
Researchers have developed a new molten salt technique that restores the structure and performance of used high-nickel cathode materials, allowing for more efficient battery recycling. The approach, published in Energy & Environment Nexus, regenerates the material itself so it can be reused in new batteries.
Researchers achieved first superconductivity in nickel-based superconductors in 2019, with critical temperatures reaching up to 80 K in bilayer La₃Ni₂O₇ under high pressure. Recent breakthroughs enable superconductivity at ambient pressure via strain engineering.
A team of researchers from Worcester Polytechnic Institute has developed a new approach to producing hydrogen using plasma technology and metal alloys. The method reduces energy consumption and carbon emissions compared to traditional methods, making it more environmentally friendly and potentially affordable.
Researchers propose a self-doped molecular Mott insulator model for La3Ni2O7, connecting strong correlations and interlayer coupling to its superconducting properties. The material's unique bilayer structure leads to localized atomic orbitals forming symmetric and antisymmetric molecular orbitals.
Researchers confirm nickel-rich metallic alloys in diamonds from South Africa's Voorspoed mine, revealing a 'redox-freezing' reaction between oxidized melts and reduced mantle rock. The study provides new insights into mantle dynamics and the formation of kimberlites, ocean island basalts, and volcanic magmas.
Researchers applied explainable machine learning to design nickel-based catalysts for efficient CO2 methanation. The study identified optimal reaction conditions, including temperature, gas hourly space velocity, BET surface area, and nickel content, to improve conversion rates and selectivity.
A new nickel-based catalyst has been developed to produce valuable liquid hydrocarbons from carbon dioxide, a key component in fuels like gasoline and jet fuel. The research shows that the catalyst can selectively promote the production of branched hydrocarbons, which are ideal for high-performance fuels.
Researchers from UK and Canada will study ways to reduce mining's environmental footprint and enhance efficiency across critical mineral value chains. The project aims to develop new geological models and exploration tools for rare earth element deposits, aiming to diversify the supply chain and ensure high environmental standards.
A team from The University of Osaka has developed an efficient non-precious metal catalyst for converting biomass-derived furfural to tetrahydrofurfuryl compounds, achieving high yields under mild conditions.
Researchers at Max Planck Institute for Sustainable Materials have developed a carbon-free method to extract nickel from low-grade ores in a single step, reducing CO2 emissions by 84% and increasing energy efficiency. The approach enables the use of low-grade nickel ores, which account for 60% of total nickel reserves.
A new class of materials, clathrates, has been discovered as electrocatalysts for oxygen evolution reaction in green hydrogen production. The Ba₈Ni₆Ge₄₀ material transformed into ultrathin Nickel-sheets under an electric field, increasing catalytic activity and stability.
A recent study identified a quasi-conversion reaction on the cathode surface during discharging, leading to accelerated battery degradation. High nickel content exacerbates this effect.
Scientists from Osaka University have reported a new class of transition metal complexes featuring direct nickel-boron bonds without additional support. The resulting square-planar geometry allows for efficient catalysis in the synthesis of high-value materials like polymers and pharmaceuticals.
A new electrode structure enhances catalytic activity and durability, achieving high-efficiency hydrogen production via H2S electrolysis. The system reduces energy consumption by 43% compared to conventional water electrolysis.
Researchers at TU Wien have developed a process to recover nickel from spent batteries and convert it into a nanocatalyst that reduces CO2 into valuable methane. This innovation has the potential to reduce waste and provide a sustainable fuel source.
Researchers developed a new stainless-steel alloy that preserves material strength without relying on nickel. By using additive manufacturing and combining austenitic and ferritic stainless steels, the team created bimetallic structures with improved hardness and strength.
University of Texas at Dallas researchers have discovered why LiNiO2 batteries break down during charging and are testing a solution to remove the key barrier to widespread use. They developed a theoretical solution that reinforces the material by adding a positively charged ion, creating pillars to strengthen the cathode.
Researchers at UMass Amherst have developed a plant-based method to extract nickel from contaminated soil, providing a potential solution for the US's growing demand for this critical mineral. By manipulating the superplant Camelina sativa, scientists can absorb nickel, produce biofuel oil, and clean polluted soil.
Researchers at Tokyo Metropolitan University have discovered a new superconducting material with a 'dome-shaped' phase diagram, typical of unconventional superconductors. This breakthrough could lead to the development of high-temperature superconducting materials for wider deployment in society.
A POSTECH research team developed a groundbreaking strategy to enhance LLO material durability, extending battery lifespan by up to 84.3% after 700 cycles. The breakthrough addresses capacity fading and voltage decay issues.
A new method developed by Penn researchers uses a chemical-separation technique to extract cobalt from 'junk' materials, increasing the capacity for purified cobalt production with minimal environmental harm. The process avoids harsh chemicals and generates lower costs than traditional methods.
A new study from Tulane University analyzed 260 honey samples from 48 states for toxic metals, finding regional differences in contamination levels. The highest arsenic and cobalt levels were found in Pacific Northwest and Southeastern honeys, respectively, while lead was detected in Carolinas honeys.
A $50 million consortium, led by Virginia Tech, aims to develop high-energy, long-lasting sodium-ion batteries using abundant and inexpensive materials. The initiative seeks to reduce US dependence on critical elements in lithium-ion batteries, paving the way for a more sustainable future in electric-vehicle technology.
Researchers have developed a highly efficient alkaline membrane electrolyser that approaches the performance of established PEM electrolysers. The use of inexpensive nickel compounds replaces costly and rare iridium, leading to significant advancements in understanding fundamental catalysis mechanisms.
Researchers at Worcester Polytechnic Institute have discovered a new method to create high-performance alkaline batteries using iron and silicate. The process suppresses hydrogen gas generation, improving the energy efficiency of battery systems.
Researchers developed an effective catalyst that significantly enhances ammonia conversion efficiency, offering potential for wastewater treatment and hydrogen production. The catalyst's design allows it to operate at lower voltages, producing less harmful substances like nitrite and nitrate.
A new catalyst with a lead coating enhances the performance of a nickel-based hydrogen evolution reaction catalyst, increasing efficiency and resisting reverse current. This breakthrough could improve the durability of alkaline water electrolysis systems and support a green hydrogen economy.
Researchers found raw material demand for electric vehicles will nearly double by 2050 if current trends continue. Implementing circular economy strategies such as ride-sharing, recycling, and solid-state batteries can halve resource demand or maintain it at 2015 levels.
The team developed a deep learning AI technique to quantitatively analyze cation mixing using atomic structure images. This approach revealed that introducing metal dopants like aluminum, titanium, and zirconium into the transition metal layer fortified bonds between nickel and oxygen atoms, curbing cation mixing.
Researchers from Pohang University of Science & Technology developed an economical and efficient water electrolysis catalyst using oblique angle deposition method and nickel. The catalyst resulted in a remarkable 55-fold improvement in hydrogen production efficiency compared to traditional thin film structures.
A Washington State University-led research team discovered a set of genes in wild bacteria that allow them to survive exposure to nickel, enabling them to thrive in toxic soils. The genetic discovery could inform future bioremediation efforts to return plants to polluted soils.
Brazilian researchers create a nickel phosphide electrode that efficiently produces hydrogen through water molecule breakdown. The material's granular structure enables good interaction with the electrolyte, making it suitable for alkaline, neutral, and acidic conditions.
Researchers at UNIST have developed a scalable and efficient photoelectrode module for green hydrogen production, overcoming challenges of efficiency, stability, and scalability. The team's innovative approach achieved unprecedented efficiency, durability, and scalability in producing green hydrogen using solar energy.
Scientists at Yokohama National University have created a new type of lithium-ion battery using nickel ions, which can be used in electric vehicles without the need for cobalt. The material overcomes key stability issues by suppressing nickel-ion migration and achieving consistent reversibility.
Researchers at the University of São Paulo found evidence of a tropical island with rich mineral deposits, including cobalt and nickel, in the South Atlantic Ocean. The team's analysis of seafloor sediment samples suggests the area was once home to vegetation and had volcanic activity between 30-40 million years ago.
A new study at BESSY II has provided deeper insights into the ordering processes and diffusion phenomena in High-Entropy Alloys. The team analysed samples of a Cantor alloy, revealing local atomic structures using element-specific EXAFS and Reverse Monte Carlo analysis.
Researchers at Worcester Polytechnic Institute have developed a material to selectively oxidize urea in water, producing hydrogen gas. The material, made of nickel and cobalt atoms with tailored electronic structures, enables the efficient conversion of urea into hydrogen through an electrochemical reaction.
Researchers at Osaka Metropolitan University have discovered a magnetoelectric antiferromagnet LiNiPO4 that exhibits large nonreciprocal absorption of light. The material's unique property allows for the switchable optical diode effect, potentially enabling more compact and efficient optical isolators.
Researchers from Osaka University developed an economical catalyst for a common chemical transformation, replacing rare metals with cheaper substitutes like nickel. The novel catalyst showed high activity, reusability, and high yields.
A study by researchers from the University of Münster found that China will be able to meet its demand for primary lithium for electric vehicles through recycling as early as 2059, while Europe and the US will not achieve this until after 2070. Recycling is also expected to ensure China's need for cobalt by 2045 and nickel by 2046.
Researchers at UNC-Chapel Hill and Eastman have developed a new process for making anhydride chemical compounds using nickel as a catalyst, promising cost savings and sustainability. The new process offers a potential alternative to traditional methods that rely on expensive precious metal catalysts.
Researchers developed a novel laser-induced hydrothermal reaction method to grow binary metal oxide nanostructures and layered-double hydroxides on nickel foams. This technique improves the production rate by over 19 times while consuming only 27.78% of the total energy required by conventional methods.
The global EV battery industry is projected to exceed 600 MtCO2eq in emissions by 2050, mainly due to energy-intensive mining and refining processes. Shifting to less CO2-intensive battery chemistries like LFP could reduce emissions by 20%.
A team of researchers used AI to optimize thermal aging schedules for nickel-aluminum alloys, resulting in stronger materials at high temperatures. By analyzing unconventional heat treatment patterns, the team discovered a two-step schedule that outperformed conventional methods.
Researchers analyzed the chemistry of distant teenage galaxies, finding they are unusually hot and contain unexpected elements like nickel. The study provides insight into galaxy formation and evolution, shedding light on why some galaxies appear 'red and dead' while others continue to form stars.
Kyushu University researchers have developed a new material that can store hydrogen energy for up to three months at room temperature, using an inexpensive element like nickel. This innovation could potentially reduce the cost of future compounds and contribute to the transition to alternative energy sources.
The CityU innovation has dramatically enhanced the thermal robustness of perovskite solar cells, retaining over 90% of efficiency even under high temperatures. This breakthrough could significantly broaden the utilisation of these cells and contribute substantially to combating the global climate crisis.
Researchers at Chalmers University of Technology have developed a new method for recycling metals from spent electric car batteries using oxalic acid. The method allows for the recovery of 100% of aluminum and 98% of lithium, minimizing waste and utilizing an environmentally friendly ingredient.
Researchers at Rice University have developed a high-yield, low-cost method for reclaiming metals directly from mixed battery waste. The new process uses the 'flash' technique to separate critical metals, reducing energy and acid consumption by up to 100-fold and lowering carbon dioxide emissions.
Researchers at Vienna University of Technology have discovered a new metallic alloy of nickel and gold that exhibits exceptional thermoelectric properties, enabling high electrical power generation. The alloy outperforms conventional semiconductors in terms of power density and thermoelectric efficiency.
Scientists have developed a new material that can store data even when power is off, using thermally reversible switching. This breakthrough could lead to devices with longer lifetimes and improved sustainability.
Researchers have made a significant advancement in the synthesis of β-lactam scaffolds, structural components frequently found in essential antibiotics. The breakthrough uses nickel catalysts to overcome challenges in β-lactam synthesis, enabling more efficient and simplified production of high-value materials.
Researchers at USTC have developed a novel catalyst that achieves high electrochemical performance in both neutral and alkaline media. The asymmetric dinitrogen-coordinated nickel single-atomic sites enhance the intrinsic activity of the sites, resulting in a high turnover frequency of over 274,000 site−1 h−1.
Researchers develop a highly active, precious metal-free catalyst for ammonia decomposition. The new Ni-based catalyst outperforms conventional alternatives at lower temperatures, offering a promising solution for hydrogen production from ammonia.
Researchers developed AlN diodes and transistors that can function above 300°C, with a record-breaking operation temperature of 827°C. The new devices were fabricated using sapphire substrates and nickel electrodes, which remained stable at high temperatures.