Researchers have developed a new catalyst that enables efficient C-H bond scission at the Pt-GaOx interface, leading to improved propylene production. The design of active centers with robust ability to activate propane and high selectivity for propylene remains crucial for optimizing catalytic efficiency.
SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalChinese Journal of Catalysis·DateMar 17, 2024
Researchers at Pohang University of Science & Technology created a novel catalyst that enhances the efficiency of reactions using contaminated municipal sewage to produce hydrogen. The catalyst, called nickel-iron-oxalate (O-NFF), successfully lowers the voltage required for hydrogen generation and promotes the urea oxidation reaction.
SourcePohang University of Science & Technology (POSTECH)·JournalAdvanced Functional Materials·DateMar 13, 2024
The team developed a 'catch-and-release' mechanism to oxidize hydrophobic compounds, selectively and efficiently producing hydrophilic products under mild conditions. This breakthrough enables the selective two-electron oxidation of anthracene and aromatic compounds from mixtures, solving a long-standing challenge.
SourceUniversity of Tsukuba·JournalACS Catalysis·DateFeb 19, 2024
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Researchers developed a stable air-stable plasmonic reduction catalyst that enhances ethene production from acetylene using visible light. The catalyst achieves an efficiency of 320 mmol g<sup>−1</sup> h<sup>−1</sup> with 90% selectivity, surpassing known plasmonic and thermal catalysts.
SourceTata Institute of Fundamental Research·JournalNature Communications·DateJan 30, 2024
Researchers from Dalian Institute of Chemical Physics realized ethylene methoxycarbonylation reaction over Pt1/MoS2 single-atom catalyst, achieving high catalytic performances under acid-free conditions. The catalyst showed good stability and selectivity, with a turnover frequency of 320 h-1.
SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalJournal of the American Chemical Society·TypeCommentary/editorial·DateJan 18, 2024
Researchers at USTC developed novel chiral boryl radical catalysts for asymmetric catalysis, achieving high reaction efficiency and selectivity. The catalysts exhibit exceptional capabilities in constructing chiral functional molecules through a precision-controlled catalytic cycle.
SourceUniversity of Science and Technology of China·JournalScience·DateDec 12, 2023
The study successfully enhances energy conversion efficiency by over twice that of conventional cells while reducing production costs by a factor of 3,000. This breakthrough could lead to widespread adoption in energy harvesting applications generating energy from waste heat.
SourcePohang University of Science & Technology (POSTECH)·JournalAdvanced Functional Materials·DateNov 5, 2023
Researchers have created a highly efficient and stable photoelectrode for water splitting using organic semiconductors. The new design overcomes the limitations of traditional inorganic semiconductor-based photoelectrodes, resulting in enhanced hydrogen production efficiency.
SourceUlsan National Institute of Science and Technology(UNIST)·JournalACS Energy Letters·DateSep 6, 2023
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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.
SourceUniversity of Science and Technology of China·JournalNature Communications·DateAug 11, 2023
Researchers have developed a highly efficient organometal halide perovskite photoanode that suppresses internal and external losses associated with photoelectrochemical water splitting, enhancing reaction kinetics. The new design achieves an unprecedented applied bias photon-to-current conversion efficiency of 12.79%.
SourceGIST (Gwangju Institute of Science and Technology)·JournalAdvanced Energy Materials·TypeExperimental study·DateAug 9, 2023
A joint research team from City University of Hong Kong and collaborators developed a stable artificial photocatalytic system that mimics natural chloroplasts to convert carbon dioxide into methane, a valuable fuel, very efficiently using light. The new system achieved a highly efficient solar-to-fuel efficiency rate of 15%, surpassing...
SourceCity University of Hong Kong·JournalNature Catalysis·TypeExperimental study·DateAug 3, 2023
A novel catalyst design approach converts waste plastics into valuable monomers using photothermal catalysis fueled by clean solar energy. The integrated c-ZIF-8@SiO2 catalyst exhibits high stability and efficiency in upcycling PET into chemicals, promoting green and sustainable development.
SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalChinese Journal of Catalysis·DateAug 2, 2023
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.
SourceTokyo Institute of Technology·JournalAdvanced Energy Materials·TypeExperimental study·DateJul 31, 2023
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Dual-atom catalysts (DACs) face challenges in converting carbon dioxide into multicarbon products due to C-C coupling difficulties. Researchers at Tohoku University uncovered the causes of this failure through advanced theoretical calculations.
SourceTohoku University·JournalACS Catalysis·DateJul 26, 2023
A new lattice-water-assisted mechanism boosts the efficiency of an iridium oxide catalyst by 5-12%, resulting in higher energy output and lower energy consumption. This improvement paves the way for more efficient green hydrogen production using proton exchange membrane water electrolysis.
SourceUniversity of Adelaide·JournalScience Advances·DateJun 23, 2023
A low-cost catalyst developed by Argonne National Laboratory can produce clean hydrogen from water at a lower cost, making it an ideal choice for replacing fossil fuels and reducing greenhouse gas emissions. The new catalyst uses cobalt instead of expensive iridium, significantly reducing the cost and increasing efficiency.
SourceDOE/Argonne National Laboratory·JournalScience·DateMay 30, 2023
Researchers at USTC developed an undercoordinated Cu nanodots catalyst for electrocatalytic acetylene semihydrogenation, achieving over 90% Faradaic efficiency and continuous synthesis of polymer-grade ethylene. The catalyst outperforms traditional thermocatalytic methods with lower energy consumption and compact reactor design.
SourceUniversity of Science and Technology of China·JournalNature Communications·DateMay 27, 2023
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Researchers at Brookhaven Lab used pulse radiolysis to study a key class of water-splitting catalysts, revealing the direct involvement of ligands in the reaction mechanism. The team discovered that a hydride group jumped onto the Cp* ligand, proving its active role in the process.
SourceDOE/Brookhaven National Laboratory·JournalProceedings of the National Academy of Sciences·DateMay 15, 2023
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.
SourceInternational Journal of Extreme Manufacturing·JournalInternational Journal of Extreme Manufacturing·DateMay 5, 2023
A new type of floatable photocatalytic platform composed of hydrogel nanocomposites efficiently proceeds hydrogen evolution reaction. The platform exhibits clear advantages over conventional systems, including efficient solar energy conversion and easy gas diffusion.
SourceInstitute for Basic Science·JournalNature Nanotechnology·TypeExperimental study·DateApr 27, 2023
Researchers have developed a novel support material called BaAl2O4-xHy that enhances the catalytic activity of cobalt nanoparticles, allowing for record-breaking ammonia production at low temperatures. The catalyst demonstrates improved activation energy and high reusability.
SourceTokyo Institute of Technology·JournalJournal of the American Chemical Society·TypeExperimental study·DateApr 27, 2023
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Researchers at EPFL have developed a novel imaging technique using cryogenic transmission electron tomography and deep learning to visualize the nanostructure of platinum catalyst layers in fuel cells. This breakthrough reveals the heterogenous thickness of ionomer, a crucial component that influences catalyst performance.
SourceEcole Polytechnique Fédérale de Lausanne·JournalNature Catalysis·TypeImaging analysis·DateApr 24, 2023
Researchers developed a stable and active catalyst for CO2 hydrogenation at room temperature, achieving high conversion efficiency comparable to state-of-the-art heterogeneous catalysts. The PdMo intermetallic catalyst was synthesized via a simple ammonolysis process and demonstrated robustness and durability in various conditions.
SourceTokyo Institute of Technology·JournalJournal of the American Chemical Society·TypeExperimental study·DateApr 5, 2023
Researchers have developed a method to reduce the energy payback time of photoelectrochemical water splitting, making it more sustainable and competitive. The approach involves producing not only green hydrogen but also methyl succinic acid, which can be used as an intermediate product.
SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalNature Communications·TypeComputational simulation/modeling·DateMar 20, 2023
A team of researchers at USTC has developed a stable single-site copper coordination polymer that significantly improves the efficiency of ethylene production through electroreduction of CO2. The catalyst enables efficient carbon-carbon coupling without compromising its structural stability.
SourceUniversity of Science and Technology of China·JournalNature Communications·DateMar 15, 2023
Chemists have developed a high-performance catalyst specifically designed for solid-state mechanochemical synthesis, achieving efficient reactivity at near room temperature. The approach uses a metal catalyst attached to a long polymer molecule, which traps the catalyst in a fluid-phase, enabling fast and energy-efficient reactions.
SourceHokkaido University·JournalJournal of the American Chemical Society·TypeExperimental study·DateMar 9, 2023
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The new catalyst uses energy from light to convert ammonia into clean-burning hydrogen fuel, breaking the need for heat and potentially reducing greenhouse gas emissions. The discovery paves the way for sustainable, low-cost hydrogen production locally rather than in massive centralized plants.
SourceRice University·JournalScience·TypeExperimental study·DateNov 24, 2022
Researchers developed an electrochemical technique to recycle highly valuable homogeneous catalysts, extending their life cycle. The method uses an electrical field to separate catalysts from mixtures and bind them to a surface, allowing for reuse and reducing energy consumption.
SourceBeckman Institute for Advanced Science and Technology·JournalScience Advances·DateOct 19, 2022
Researchers have discovered an innovative way to enhance the energy efficiency of metal-carbon dioxide batteries by introducing unconventional phase nanomaterials as catalysts. The novel design boosts battery energy efficiency up to 83.8%, contributing to carbon-neutral goals.
SourceCity University of Hong Kong·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateOct 13, 2022
Researchers at Helmholtz-Zentrum Berlin used Auger photo-electron coincidence spectroscopy to study the occupation of outer d-orbital shells in copper, nickel, and cobalt. The results confirm known findings for copper and nickel, but reveal highly delocalized d electrons in cobalt.
SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalPhysical Chemistry Chemical Physics·TypeExperimental study·DateOct 2, 2022
A team of researchers from Münster and Pittsburgh has discovered that chiral oxide catalysts can align electron spin, improving the efficiency of chemical reactions. The findings have potential applications in spin-based electronics and fuel cells.
SourceUniversity of Münster·JournalACS Nano·TypeExperimental study·DateSep 21, 2022
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North Carolina State University researchers have developed a faster and less expensive technique for producing hindered amines, a class of chemicals used in various products. The new method uses continuous flow reactor technologies to produce hindered amines within 30 minutes, with minimal byproducts.
SourceNorth Carolina State University·JournalNature Communications·TypeExperimental study·DateMay 4, 2022
Researchers developed an alloyed Ir- and Ru-based oxide with enhanced atomic steps, improving its electrocatalytic performance. The novel nanomaterial outperformed commercially available iridium dioxide in hydrogen production, offering a cleaner and more affordable alternative.
SourceTsinghua University Press·JournalNano Research·DateApr 9, 2022
Researchers have identified a novel enzyme that catalyzes the formation of glycosidic bonds in complex sugar moieties. The discovery provides fresh insights into carbohydrate metabolism and offers a breakthrough for the synthesis of sugar chains, which play key roles in various biological processes.
SourceTokyo University of Science·JournalJournal of Biological Chemistry·TypeExperimental study·DateMar 7, 2022
Scientists have gained a new understanding of the atomic level interactions in complex catalysis, enabling more efficient and sustainable chemical production. Researchers used x-ray spectroscopy, machine learning analysis, and first principles calculations to model reactions and identify active site structures.
SourceHarvard John A. Paulson School of Engineering and Applied Sciences·JournalNature Communications·DateFeb 24, 2022
Researchers from Tokyo Tech created hybrid ferritin nanocages with histidine residues, achieving 1.5 times higher metal ion uptake and improved catalytic efficiency for alcohol production. The new cages show promising potential as viable catalysts in the chemical industry.
SourceTokyo Institute of Technology·JournalAngewandte Chemie·TypeExperimental study·DateJan 24, 2022
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A new method of molecular-level control, called induced activation, doubles the efficiency of widely used industrial catalysts. This approach manipulates the catalyst surface by controlling reducing agents at the catalyst activation stage.
SourceLehigh University·JournalNature Catalysis·DateJan 20, 2022
Researchers at TTUHSC have identified novel targets for treating stroke, focusing on enhancing neurolysin activity. The study discovered small molecules that can selectively enhance the activity of neurolysin, which showed promise in reducing damage to the brain after a stroke.
SourceTexas Tech University Health Sciences Center·JournalJournal of Medicinal Chemistry·TypeExperimental study·DateOct 8, 2021
Researchers have engineered a new-to-nature metabolic connection, the TaCo pathway, which fixes CO2 instead of releasing it in photorespiration. This synthetic pathway is more energy-efficient than any other proposed alternative, with potential applications in improving crop yield and recycling polyethylene terephthalate (PET).
SourceMax-Planck-Gesellschaft·JournalNature Catalysis·DateJan 9, 2021
Researchers at uOttawa developed a novel computational procedure for enzyme design that approximates the intrinsic flexibility of protein scaffolds, improving catalytic efficiency by 1000-fold. This breakthrough enables the creation of artificial enzymes with high-efficiency catalysis on par with natural enzymes.
SourceUniversity of Ottawa·JournalNature Communications·DateOct 1, 2020
Researchers create first commercially available catalytic antibody, which can catalyze aldol reactions with broad substrate range. This breakthrough addresses long-standing question of protein-catalyst efficiency.
SourceScripps Research Institute·JournalScience·DateDec 19, 1997
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