Researchers found that a highly dispersed NaVO3 catalyst can selectively convert methyl chloride into vinyl chloride with high efficiency. The study's results provide direct experimental evidence for the role of metal oxyacid active sites in coupling catalysts, offering insights into the design of advanced coupling catalysts.
The team engineered FLPs within Ce-MOFs using defect-rich materials, achieving high conversion rates and low activation energy. The approach provides a blueprint for designing non-precious-metal hydrogenation catalysts.
Researchers developed a new class of catalysts based on perovskite materials, achieving high acetaldehyde yields and stable performance. The optimized Au/LaMn0.75Cu0.25O3 catalyst exhibits improved cooperation between gold, manganese, and copper ions.
Researchers developed a Ru-Co single-atom alloy catalyst for efficient amination of alcohols, showcasing improved activity and selectivity over traditional methods. The alloy structure promotes reduction reactions and reduces intermediate adsorption, leading to enhanced catalytic performance.
A study reveals two competing nitrogen activation pathways in negatively charged metal tricarbon clusters, including cleavage and chemisorption. The research provides molecular-level insights into developing efficient catalysts for dinitrogen fixation.
A research team has achieved high-efficiency ethylene electrosynthesis from acetylene by optimizing the interparticle distance of Cu cubes in gas diffusion electrodes. The study demonstrates the key role of mesoscopic mass transport in electrocatalysis, enabling efficient production under industrially relevant conditions.
A team of researchers achieved efficient PET-RAFT polymerization using low-toxicity copper indium selenide (CuInSe2) quantum dots, extending the excitation into the shortwave infrared region. The hybrid system effectively triggered polymerization through biological tissue.
A team of researchers from the Dalian Institute of Chemical Physics identified the key glycosyltransferase UGT76G4 and elucidated its molecular basis for regioselectivity towards C19 in steviol glycosides. This discovery provides a breakthrough for efficient biosynthetic methods to produce Reb M, a next-generation natural sweetener.
Research reveals that the size and structure of CoOx species on silicalite-1 zeolite affect product selectivity in propane dehydrogenation. The study shows that smaller Co0 species can be controlled to produce propene selectively by decorating with a carbon-containing layer.
Researchers developed a catalytic system for efficient lignin depolymerization under low oxygen pressure, utilizing the synergistic effect between H3PMo12O40 and acetic acid. The system achieved over 20 wt% yield of carbonyl-containing aromatics with reduced energy barrier and prevented condensation side reactions.
Recent advances focus on stabilizing iron carbide active phases, reducing H2O adsorption, and enhancing thermal stability to improve catalytic performance and product selectivity. Graphene confinement and two-dimensional material encapsulation also show promise in inhibiting CO2 formation.
Researchers from Dalian Institute of Chemical Physics have created the first rechargeable hydride ion battery with fast conductivity at room temperature and high stability. The novel core-shell composite electrolyte enables efficient energy storage and conversion.
Researchers developed Pr0.5Ae0.5FeO3−δ perovskites to investigate the impact of electronic structure tuning on high-temperature OER performance. Alkaline earth metal doping enhanced Fe3d-O2p hybridization, lowered charge-transfer energy, and promoted oxygen ions migration.
A team of researchers from the Dalian Institute of Chemical Physics realized complete perfluoroalkyl mineralization using microclouds enriched with wollastonite-bearing microdroplets. This process prioritized defluorination over C-C scission, resulting in minimal PFAS byproducts and efficient fluoride immobilization.
The research team developed a simple template-free method to prepare cobalt-based and manganese-based precursors, and then doped W during the synthesis of transition bimetallic phosphides. The resulting catalyst exhibits excellent bifunctionality and can be utilized as an electrode in anion exchange membrane water electrolyzers.
A research team developed a photochemical strategy to realize heterolytic H2 dissociation using gold-loaded titanium dioxide as a model photocatalyst. The reaction was driven by electron-hole pairs formed upon UV irradiation, producing reactive H2 species that selectively reduced polar functional groups.
Researchers developed a photocatalytic system using single-atom platinum on carbon nitride to co-produce hydrogen and lactic acid from lignocellulose. The catalyst achieved higher hydrogen production rates and higher conversion yields of lactic acid, offering a scalable and sustainable solution for clean energy and chemical production.
A team of researchers proposes hydroxyl adsorption as a selectivity descriptor for electrocatalytic nitrate reduction to ammonia over copper-based catalysts. They found that more negative potentials and lower NO3- concentrations can improve ammonia selectivity.
A new deeplearning framework uses federated transfer learning to predict battery state of health during fast charging, preserving user privacy. The framework outperforms traditional methods and has been integrated into intelligent battery management systems.
Researchers developed a powerful systems biology method to evaluate different strains of brewer's yeast (Saccharomyces cerevisiae), uncovering key adaptations that enhance ethanol production. This digital resource and analysis pipeline provide insights into the rational design of yeast cell factories for industrial applications.
A Cu@MFI catalyst was developed via pore-confinement strategy, exhibiting exceptional catalytic performance in aqueous-phase hydrogenation of furfural. The catalyst achieved 100% conversion and selectivity with reduced side reaction pathway due to transition-state confinement effect.
Researchers developed ultrathin porous NiO nanosheets with abundant oxygen vacancies, which exhibit exceptional performance in photocatalytic CO2 reduction. The catalysts achieve high CO evolution rates and selectivity under pure CO2 atmospheres.
A new strategy enables the rapid fabrication of high-performance 2D MOF membranes with customizable pores, achieving efficient gas separation. The approach accelerates membrane development time from hours to minutes while reducing organic ligand consumption.
Scientists investigated how Pr content impacts perovskite oxide crystal structure and oxygen exchange. Higher Pr content led to disorder phase transition and improved orbital hybridization, accelerating oxygen exchange. The discovery provides guidance for designing high-performance SOEC anodes.
Researchers develop new catalysts for syngas conversion into hydrocarbons and oxygenates, enabling selective formation of long-chain alcohols and olefins. Single-atom Rh catalysts also overcome separation and precious metal leaching issues in hydroformylation.
A new COF-based photocatalyst harnesses reversible hydroquinone groups to balance oxygen reduction and water oxidation reactions, improving long-term hydrogen peroxide production rates. This innovation demonstrates a molecular-level strategy for designing robust, long-lived photocatalysts.
Researchers explore electrochemical synthesis of value-added chemicals, highlighting challenges and opportunities for industrial application. The technology enables efficient conversion of natural raw materials into high-quality products under mild conditions, offering sustainable solutions for renewable energy utilization.
A recent study utilizes AI to optimize catalyst design and synthesis, predicting structure-property relationships and minimizing resource-intensive calculations. The research also explores the integration of automated synthesis, characterization, and optimization in closed-loop systems.
Researchers developed a π-electron delocalization-based strategy to optimize aqueous zinc-ion battery performance. A hydrophilic–hydrophobic interfacial layer (HHIL) on the Zn anode surface enhanced stability and electrochemical reversibility, regulating Zn deposition and suppressing parasitic reactions.
Researchers designed model cracking catalysts with controlled interfacial channel connectivity, enabling exploration of structure-diffusion-reaction relationships. Advanced characterization techniques revealed a pronounced 'funnel effect' from mesopores, accelerating interfacial diffusion and enhancing catalytic efficiency.
Researchers developed a highly efficient and stable chainmail catalyst for acidic hydrogen evolution, utilizing cobalt-nickel nano-alloy encapsulated in graphene. The confinement of asymmetric π electronic states on the graphene surface enhances catalytic activity and durability.
A 70-billion-parameter large language model called ChemELLM has been developed for chemical engineering applications. It was trained on a specialized dataset and demonstrated superior performance in various tasks compared to mainstream models.
A new route for the efficient production of aromatics has been developed via the coupling of CO2 and propane over H-ZSM-5. The introduction of CO2 significantly improves aromatic selectivity, and carbon atoms in CO2 directly participate in product formation.
A novel dimethylpiperidine-based cross-linker, DPST, enables one-step enrichment and quantitative analysis of protein complexes in limited samples. Using DPST, researchers successfully mapped the protein interaction network in primary neurons and detected transient and weak interactions.
A novel catalyst achieves unprecedented efficiency in light alkane aromatization, yielding high propane conversion and aromatics selectivity rates. The technology holds promise for reducing reliance on petroleum resources and advancing carbon neutrality goals.
Researchers developed a solid-state NMR method to characterize separation and recycling processes of real-life plastic waste mixtures. The technique identified individual components in complex polymer systems, enabling precise tracking of chemical evolution and mapping of conversion processes.
Researchers developed a novel interfacial polymer cross-linking strategy to fabricate ultra-thin polymeric membranes with nanoscale separation layers. The fabricated membranes achieved high ion selectivity and low resistance, overcoming the traditional permeability and selectivity trade-off.
Researchers investigated In2O3 catalyst evolution during CO2 hydrogenation induction, revealing sintering and oxygen vacancy creation. This activation stage enhances reaction rate but reduces methanol selectivity.
Researchers developed a novel MoS2-confined Rh-Fe dual-site catalyst for the direct conversion of methane to acetic acid, achieving an unprecedented CH3COOH selectivity of 90.3% at room temperature. The catalyst's unique structure effectively balances C-H activation and C-C coupling, addressing long-standing challenges in this process.
Researchers develop peptide-bridged fusion oxidoreductase, reducing NADP input and increasing conversion rates. The enzyme's electrostatic cofactor channeling enhances transportation effectiveness factors, suppressing side reactions.
Researchers developed a theoretical model describing metal cluster migration and aggregation within individual zeolites, revealing key factors affecting catalyst stability. The model shows that increasing zeolite support properties can achieve 'migration-aggregation-self locking' of Pt species, creating ultra-stable catalysts.
The study systematically examines humins formation mechanisms from cellulose and hemicellulose feedstocks, highlighting the role of lignin in pseudo-lignin formation. It provides insights into factors influencing humins generation and proposes strategies for inhibition and value-added applications.
The study reveals that monodispersed ZnOx species anchored on ZnCr2O4 spinel surface are key active sites for syngas conversion to light olefins. The catalyst achieved high catalytic performance with 64% CO conversion and 75% selectivity among total hydrocarbons.
A new cobaltosilicate zeolite catalyst has been developed for propane dehydrogenation, achieving high propylene productivity and long-time stability. The catalyst's flexible framework lowers dehydrogenation barriers through entropic effects, while non-bonding adsorption of propylene enables rapid product desorption.
Researchers introduced tetramethylammonium chloride to suppress SnO2 nanoparticle agglomeration, reducing pinhole defects and improving colloidal stability. The molecular anchor strategy bridged the performance gap between laboratory-scale and large-area devices, achieving high efficiency and durability.
Researchers developed a computational framework to navigate surface complexities in HEAs, integrating Monte Carlo/Molecular Dynamics simulations and graph neural networks. The approach revealed promising bulk compositions for enhanced catalytic performance in CO2 reduction.
A new MoOx-Ru/C bimetallic catalyst has been developed for the efficient hydrogenolysis of esters to alkanes, exhibiting high conversion rates and selectivity. The catalyst's unique synergistic effect between Ru and MoOx species promotes the conversion of esters into alkanes without carbon loss.
Researchers developed iron carbide catalysts for deoxygenative C-C coupling of benzyl alcohols, producing bibenzyls and leveraging the Fischer-Tropsch synthesis process. The system promotes radical reaction pathways and accelerates oxygen removal on the catalyst surface.
The construction of S-scheme heterojunctions enhances CdS photocatalytic hydrogen evolution by promoting spatial charge separation and reducing carrier recombination. CdS-In2O3 composites exhibit significantly improved photocatalytic performance compared to pure CdS.
Scientists have discovered a new pathway for the reaction of Criegee intermediates with water vapor, approximately 100 times faster than previously predicted. The 'roaming mechanism' driven by strong dipole-dipole interactions between molecules leads to a higher probability of reaction, revising our understanding of key atmospheric pro...