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The structure and interactions in electrolytes at high concentration have implications from energy storage to biomolecular interactions. However many experimental observations are yet to be explained in these mixtures, which are far beyond…

软凝聚态物质 · 物理学 2017-04-05 Alexander Smith , Alpha Lee , Susan Perkin

We have determined the temperature dependence of the solvation behavior of a large collection of light gases in imidazolium-based Ionic Liquids (ILs) with the help of extensive molecular dynamics simulations. The solubility of molecular…

Classical thermodynamics and statistical mechanics describe systems in which nothing interacts with nothing. Even the highly refined theory of simple fluids does not deal very well with electrical interactions, boundary conditions, or…

其他定量生物学 · 定量生物学 2012-08-31 Bob Eisenberg

A gap in understanding the link between continuum theories of ion transport in ionic liquids and the underlying microscopic dynamics has hindered the development of frameworks for transport phenomena in these concentrated electrolytes.…

软凝聚态物质 · 物理学 2015-09-11 Alpha A. Lee , Svyatoslav Kondrat , Dominic Vella , Alain Goriely

Ionic liquids (ILs) gain much interest as possible electrolytes in the next generation of mixed-solid Li-ion batteries. However, such properties of ionic liquids as melting transition, diffusion, strength and structure of hydrogen bond…

Electrides are ionic solids that consist of cationic frameworks and anionic electrons trapped in the voids of lattices. Organic electrides exist in a large abundance, but the thermal instability at room temperature and sensitivity to…

材料科学 · 物理学 2016-03-15 Yunwei Zhang , Hui Wang , Yanchao Wang , Lijun Zhang , Yanming Ma

We examine phase separation in aqueous mixtures at fixed amounts of hydrophilic monovalent ions. When water is the minority component, preferential solvation can stabilize water domains enriched with ions. This ion-induced precipitation…

软凝聚态物质 · 物理学 2010-01-22 Ryuichi Okamoto , Akira Onuki

Ionic liquids, salts in the liquid state under ambient conditions, are of great interest as precision lubricants. Ionic liquids form layered structures at surfaces, yet it is not clear how this nano-structure relates to their lubrication…

Antagonistic salts are composed of hydrophilic and hydrophobic ions. In a mixture solvent (water-oil) such ion pairs are preferentially attracted to water or oil, giving rise to a coupling between the charge density and the composition.…

软凝聚态物质 · 物理学 2016-04-05 Akira Onuki , Shunsuke Yabunaka , Takeaki Araki , Ryuichi Okamoto

Aqueous solutions of LiCl are probably the most studied electrolyte solutions related to the complexity of liquid water at low temperatures. Despite the large amount of available experimental data hardly any computational studies were…

软凝聚态物质 · 物理学 2020-04-29 Philip H. Handle

Salt water is ubiquitous, playing crucial roles in geological and physiological processes. Despite centuries of investigations, whether or not water's structure is drastically changed by dissolved ions is still debated. Based on density…

化学物理 · 物理学 2022-02-14 Chunyi Zhang , Shuwen Yue , Athanassios Z. Panagiotopoulos , Michael L. Klein , Xifan Wu

We investigate the effect of pressure, temperature and acidity on the composition of water-rich carbon-bearing fluids at thermodynamic conditions that correspond to the Earth's deep Crust and Upper Mantle. Our first-principles molecular…

化学物理 · 物理学 2020-06-24 Riccardo Dettori , Davide Donadio

Molecular dynamics simulations for aqueous sodium chloride solutions were carried out at various concentrations. Supplementary to the Debye-H\"uckel theory, reversible transient nucleation of ions was observed even in dilute solutions. The…

软凝聚态物质 · 物理学 2014-11-26 Gan Ren , Yanting Wang

In this tutorial we discuss the chemical potential of ions in water (i.e., in a salt solution, in an electrolyte phase) and inside (charged) nanoporous materials such as porous membranes. In water treatment, such membranes are often used to…

化学物理 · 物理学 2025-06-25 P. M. Biesheuvel

The interactions of ionic liquids (ILs) with organic solutes are of interest to many applications involving the use of ILs as task-specific solvents, such as in sensing devices or catalysis. However, currently little is known about these…

化学物理 · 物理学 2023-11-06 Clare Xie Yijia , Julian Becker , Tom Welton , Patricia Hunt

In this contribution, a new POM-based ionic liquid, namely (P6,6,6,14)4[W10O32], was fully characterized. Its viscosity and its very low dielectric constant make this hybrid ionic liquid suitable to be used as solvent for organic…

Life on Earth depends upon the dissolution of ionic salts in water, particularly NaCl. However, an atomistic scale understanding of the process remains elusive. Simulations lend themselves conveniently to studying dissolution since they…

化学物理 · 物理学 2022-11-09 Niamh O'Neill , Christoph Schran , Stephen J. Cox , Angelos Michaelides

We present a continuum theory of electrolytes composed of a waterlike solvent and univalent ions. First, we start with a density functional $\cal F$ for the coarse-grained solvent, cation, and anion densities, including the Debye-H\"uckel…

软凝聚态物质 · 物理学 2020-08-20 Ryuichi Okamoto , Kenichiro Koga , Akira Onuki

The striking anomalies in physical properties of supercooled water that were discovered in the 1960-70s, remain incompletely understood and so provide both a source of controversy amongst theoreticians, and a stimulus to experimentalists…

化学物理 · 物理学 2016-05-31 Sander Woutersen , Michiel Hilbers , Zuofeng Zhao , C. Austen Angell

The growing interest in energy applications of molten salts is justified by several of their properties. Their possibilities of usage as a coolant, heat transfer fluid or heat storage substrate, require thermo-hydrodynamic refined…

化学物理 · 物理学 2013-11-12 Roberto Serrano-López , Jordi Fradera , Santiago Cuesta-López