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Morphological Evolution of Sn-Metal-Based Anodes for Lithium-Ion Batteries Using Operando X-Ray Imaging.
Adv Sci (Weinh)
January 2025
Institute for Electrochemical Energy Storage (CE-IEES), Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109, Berlin, Germany.
Sn-based electrodes are promising candidates for next-generation lithium-ion batteries. However, it suffers from deleterious micro-structural deformation as it undergoes drastic volume changes upon lithium insertion and extraction. Progress in designing these materials is limited to complex structures.
View Article and Find Full Text PDFPassive earth pressure analysis considering hydraulic and mechanical hysteresis for unsaturated soil.
PLoS One
January 2025
Water Resources Engineering Department, College of Engineering, Salahaddin University, Erbil, Iraq.
This paper addresses the mechanical characteristics of a passive earth pressure problem taking into account water retention curve (SWRC) hysteresis. Both hydraulic (drying and wetting cycles) and mechanical hysteresis were considered. Parametric studies were carried out at various air entry values (AEV = 5-30 kPa), different wall frictions (δ = 0, 0.
View Article and Find Full Text PDFElectrostatically tuning radical addition and atom abstraction reactions with distonic radical ions.
Chem Sci
January 2025
Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong Wollongong New South Wales 2522 Australia
Although electrostatic catalysis can enhance the kinetics and selectivity of reactions to produce greener synthetic processes, the highly directional nature of electrostatic interactions has limited widespread application. In this study, the influence of oriented electric fields (OEF) on radical addition and atom abstraction reactions are systematically explored with ion-trap mass spectrometry using structurally diverse distonic radical ions that maintain spatially separated charge and radical moieties. When installed on rigid molecular scaffolds, charged functional groups lock the magnitude and orientation of the internal electric field with respect to the radical site, creating an OEF which tunes the reactivity across the set of gas-phase carbon-centred radical reactions.
View Article and Find Full Text PDFImplementing magnetic properties on demand with a dynamic lanthanoid-organic framework.
Chem Sci
December 2024
Instituto de Ciencia Molecular (ICMol), Universidad de Valencia c/Catedrático José Beltrán 2 Paterna 46980 Spain
We present the synthesis of a lanthanoid-organic framework (LOF) featuring a dynamic structure that exhibits tunable magnetic properties. The LOF undergoes breathing and gate-opening phenomena in response to changes in DMF content and N sorption, leading to the emergence of new crystal phases with distinct characteristics. Notably, the desolvated form of the LOF excels as a single-ion magnet, while the fully activated structure demonstrates impressive qubit properties, exhibiting Rabi oscillations up to 60 K.
View Article and Find Full Text PDFSingle-Larva RNA Sequencing Reveals That Red Sea Urchin Larvae Are Vulnerable to Co-Occurring Ocean Acidification and Hypoxia.
Mol Ecol
January 2025
Marine and Environmental Biology, University of Southern California, Los Angeles, California, USA.
Anthropogenic carbon dioxide emissions have been increasing rapidly in recent years, driving pH and oxygen levels to record low concentrations in the oceans. Eastern boundary upwelling systems such as the California Current System (CCS) experience exacerbated ocean acidification and hypoxia (OAH) due to the physical and chemical properties of the transported deeper waters. Research efforts have significantly increased in recent years to investigate the deleterious effects of climate change on marine species, but have not focused on the impacts of simultaneous OAH stressor exposure.
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