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Dernières publications et brevets sur les structures organiques covalentes (COF)

Structures organiques covalentes

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Il s'agit de notre dernière sélection de publications et de brevets mondiaux en anglais sur les structures organiques covalentes (COF), parmi de nombreuses revues scientifiques en ligne, classées et axées sur les structures organiques covalentes, la chimie covalente dynamique (DCC), la synthèse ionothermique, la synthèse réticulaire, l'unité de construction secondaire, la liaison β-cétoénamine, la synthèse solvothermique, la synthèse d'interface, la synthèse interfaciale, la synthèse mécanochimique, la condensation d'imine et la chimie covalente dynamique.

Covalent organic framework solid electrolyte containing ion conductive eutectic composite, and all-solid-state lithium metal secondary battery compris

Patent published on the 2026-09-03 in WO under Ref WO2026182333 by INDUSTRY UNIV COOPERATION FOUNDATION HANYANG UNIV ERICA CAMPUS [KR] (Kim Jong Ho [kr], Lee Jaewoo [kr], Shin Jae Hoon [kr])

Abstract: The present invention provides an ion-conductive eutectic composite comprising: an organic framework having zwitterionic properties; another cationic compound bound to an anion among the zwitterions bound to the organic framework; and another anionic compound bound to the another cationic compound, wherein the another anion provides a binding site to which lithium ions are bound and movable.[...]


Our summary: The invention describes a solid electrolyte made from a covalent organic framework with zwitterionic properties. It includes an ion-conductive eutectic composite that facilitates lithium ion movement. The composite enhances the performance of all-solid-state lithium metal secondary batteries.

Covalent organic framework, solid electrolyte, ion-conductive eutectic composite, lithium metal battery

Patent

Metal&ndash;Support Interactions in Single-Atom Catalysts for Electrochemical CO2 Reduction

Published on 2026-01-13 by Alexandra Mansilla-Roux, Mayra Anabel Lara-Angulo, Juan Carlos Serrano-Ruiz @MDPI

Abstract: Electrochemical CO2 reduction (CO2RR) is a promising route to transform a major greenhouse gas into value-added fuels and chemicals. However, its deployment is still hindered by the sluggish activation of CO2, poor selectivity toward multielectron products, and competition with the hydrogen evolution reaction (HER). Single-atom catalysts (SACs) have emerged as powerful materials to address these challenges because they combine maximal metal utilization with well-defined coordination environments[...]


Our summary: This minireview discusses the role of single-atom catalysts (SACs) in enhancing electrochemical CO2 reduction efficiency. It highlights how metal-support interactions influence the adsorption and conversion of CO2RR intermediates. The review also addresses design strategies and future directions for improving SAC performance in industrial applications.

Single-atom catalysts, electrochemical CO2 reduction, metal-support interactions, selectivity descriptors

Publication

Green Mechanochemical Synthesis of Binary and Ternary Cadmium Chalcogenides with Tunable Band Gaps

Published on 2025-11-15 by Matja Kristl, Nea Zanjkovi?, Jona Kunej, Sao Gyergyek, Janja Stergar @MDPI

Abstract: In this work, we report on the mechanochemical preparation and characterization of binary (CdS, CdSe, and CdTe) and ternary (CdS0.5Se0.5, CdS0.5Te0.5, and CdSe0.5Te0.5) cadmium chalcogenides. The compounds were synthesized in a planetary micro mill using a zirconia grinding bowl and zirconia grinding balls. The products were examined by powder X-ray diffraction (pXRD), transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDX), dynamic light scattering (DLS), UV&amp;n[...]


Our summary: This study presents the mechanochemical synthesis of binary and ternary cadmium chalcogenides. Characterization techniques confirm the formation of nanoparticles with tunable band gaps suitable for semiconducting applications. The method is environmentally friendly, avoiding solvents and toxic precursors.

Mechanochemical synthesis, Cadmium chalcogenides, Tunable band gaps, Green chemistry

Publication

Sujets abordés : Éléments des terres rares, revêtement de barrière thermique, microstructure, propriétés mécaniques, synthèse par combustion en solution, dureté Vickers, résistance à la rupture, dilatation thermique, effet Hall, dopé, pérovskite, résistance à la corrosion, essai de cycle thermique, affinement des grains, performance à haute température, densité des porteurs de charge, propriétés de transport, Organisation internationale de normalisation (ISO), ASTM International, American National Standards Institute (ANSI), Commission électrotechnique internationale (CEI), et Organisation internationale de normalisation (ISO).

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(si la date est inconnue ou non pertinente, par exemple « mécanique des fluides », une estimation arrondie de son émergence notable est fournie)

10e année anniversaire

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