Monolithic nanocarbon catalysts boot dihydrogen-sulfide selective oxidation
Ultra-deep removal of H2S is important in petroleum refining, natural gas purification and coal chemical industry. However, the industrial catalysts for continuous H2S selective oxidation show poor activity and stability, especially on feed gas conta.....»»
Toyota, Idemitsu team for all-solid-state battery breakthrough by 2028
Toyota is teaming with Japanese petrochemical giant Idemitsu to develop a sulfide solid electrolyte for the all-solid-state batteries the automaker plans to market in its next-generation electric vehicles around 2027-2028......»»
Toyota, Idemitsu team for solid-state battery breakthrough by 2028
Toyota is teaming with Japanese petrochemical giant Idemitsu to develop a sulfide solid electrolyte for the all-solid-state batteries the automaker plans to market in its next-generation electric vehicles around 2027-2028......»»
Metal-free and transition-metal-doped ZIF-8@CNT catalysts prepared by one-step high-temperature pyrolysis
Non-precious metal catalysts (NPMC) have strong potential in energy conversion devices due to their excellent oxygen reduction reaction (ORR) performance in fuel cells. Since in most NPMC materials, the accessible active sites play a vital role in ox.....»»
I’ve been using Android 14 for months. Here’s why you’re going to love it
Android 14 doesn't offer a feature changelog that takes up a few volumes, but it makes subtle changes where it matters -- and without any major bugs to boot......»»
Study suggests the introduction of multi-cations contributes to the performance of anion exchange membranes
Anion exchange membrane fuel cells (AEMFCs) have gained attention in the process of fuel cell development because they operate in alkaline environments, the redox reaction rate at the electrodes is faster, and non-precious metal catalysts such as Ni,.....»»
Researchers construct a highly efficient photocatalytic system based on titanium dioxide nanomaterials
The heterogeneous photocatalysis (HPC) based Advanced Oxidation Process (AOP) is an eco-friendly technique for purifying water from organic and biological pollutants in environmental systems. The photocatalysts' overall catalytic performance usually.....»»
Teams investigate material degradation process of carbon-based catalyst
Although a plethora of carbon-based catalysts have been developed to promote oxygen reduction reaction (ORR) in different electrochemical systems, the degradation process of those catalysts remains obscure to date. During certain steps of the ORR on.....»»
Team examines importance of zeolite in catalysts for syngas conversion
The fuels used today depend heavily on petroleum. As the demand grows, scientists are looking for ways to produce fuels that do not require petroleum. A research team set out to examine the role of zeolites in the conversion of synthetic gas to fuels.....»»
How to upgrade to your iPhone 15 without a frozen boot screen or losing data
Just get your new iPhone 15 or about to? Follow along for how to make sure you transfer all of your data safely to your new device. We’ll also cover how to upgrade to your iPhone 15 and avoid the frozen screen bug in iOS 17. more….....»»
How does voltage drive nonmetallic catalysts to perform electrocatalytic reactions?
Understanding how voltage drives nanoscale electrocatalysts to initiate reactions is a fundamental scientific question. This is especially challenging when dealing with non-metallic electrocatalysts due to their low inherent carrier concentration, wh.....»»
How do zeolite-encapsulated metal catalysts act on hydrogen-related catalytic reactions?
Zeolites encapsulated metal and metal oxide species (regarded as metal@zeolite) are an important type of heterogeneous catalyst. They give performances that steadily outperform the traditional supported catalysts in many important reactions and have.....»»
Recent advances in nickel-based catalysts for electrochemical reduction of carbon dioxide
In a paper published in Advanced Sensor and Energy Materials, an international team of scientists reviewed recent advances in nickel-based catalysts for electrochemical reduction of carbon dioxide. The relevant CO2RR mechanisms are first discussed in.....»»
Study explores mechanical properties of molybdenum disulfide nanoribbons with armchair edges
The properties of nanoribbon edges are important for their applications in electronic devices, sensors, and catalysts. A group of scientists from Japan and China studied the mechanical response of single-layer molybdenum disulfide nanoribbons with ar.....»»
New gut microbe produces smelly toxic gas but protects against pathogens
An international team of scientists led by microbiologist Alexander Loy from the University of Vienna has discovered a new intestinal microbe that feeds exclusively on taurine and produces the foul-smelling gas hydrogen sulfide. The researchers have.....»»
New double z-scheme photocatalyst for selective removal of sulfamethoxazole in water
In a new study published in Environmental Science and Ecotechnology, researchers from Harbin Institute of Technology, have developed a novel double Z-scheme photocatalyst, called the molecularly imprinted TiO2@Fe2O3@g-C3N4 (MFTC) composite, that sele.....»»
Selective removal of aging cells opens new possibilities for treating age-related diseases
A research team, led by Professor Ja Hyoung Ryu from the Department of Chemistry at UNIST, in collaboration with Professor Hyewon Chung from Konkuk University, has achieved a significant breakthrough in the treatment of age-related diseases. Their cu.....»»
Researchers develop novel catalyst for carbon dioxide hydrogenation to formate
Hydrogenation of carbon dioxide (CO2) to formate is an attractive approach for the utilization of this greenhouse gas. However, non-precious metal-based catalysts for CO2 hydrogenation to formate suffer from either low activity or low stability. It i.....»»
Researchers develop new selective emitter based on iridium for thermophotovoltaics
Researchers from the Helmholtz-Zentrum Hereon, together with the Technical University of Hamburg and Aalborg University, have developed a new selective emitter based on iridium for thermophotovoltaics. Iridium was thus used for the first time as a ma.....»»
Hybrid nanoparticles shine new light on targeting cancer cells
Scientists at the Indian Institute of Science (IISc) have developed a new approach to potentially detect and kill cancer cells, especially those that form a solid tumor mass. They have created hybrid nanoparticles made of gold and copper sulfide that.....»»
Researchers reversely trap isolated atoms in high oxidation to accelerate oxygen evolution reaction kinetics
Single-atom catalysts (SACs), representing the ultimate high atom utilization efficiency and specific activity, have arguably become the most active new frontier in heterogeneous catalysis. The technology of atom trapping based on support effects is.....»»