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Parametrizing energy functions for ionic systems can be challenging. Here, the total energy function for an eutectic system consisting of water, SCN$^-$, K$^+$ and acetamide is improved vis-a-vis experimentally measured properties. Given…

Chemical Physics · Physics 2024-10-25 Kai Töpfer , Eric Boittier , Michael Devereux , Andrea Pasti , Peter Hamm , Markus Meuwly

The surface charge of a water interface determines many fundamental processes in physical chemistry and interface science, and it has been intensively studied for over a hundred years. We summarize experimental methods to characterize the…

Chemical Physics · Physics 2021-09-23 Yuki Uematsu

This work presents a scalable method to produce robust all-solid electric double layer capacitors (EDLCs), compatible with roll-to-roll processes and structural laminate composite fabrication. It consists in sandwiching and pressing an…

At mesoscopic scales electrolyte solutions are modeled by the fluctuating generalized Poisson-Nernst-Planck (PNP) equations [J.-P. P\'eraud et al., Phys. Rev. F, 1(7):074103, 2016]. However, at length and time scales larger than the Debye…

Computational Physics · Physics 2019-04-10 Aleksandar Donev , Andrew J. Nonaka , Changho Kim , Alejandro L. Garcia , John B. Bell

The possibility to control electrokinetic transport through carbon and hexagonal boron nitride (hBN) nanotubes has recently opened new avenues for nanofluidic approaches to face outstanding challenges such as energy production and…

Chemical Physics · Physics 2022-02-08 Etienne Mangaud , Marie-Laure Bocquet , Lydéric Bocquet , Benjamin Rotenberg

Narrow carbon nanotubes (CNTs) desalinate water, mimicking water channels of biological membranes, yet the physics behind selectivity, especially, the effect of the membrane embedding CNTs on water and ion transfer, is still unclear. Here,…

Materials Science · Physics 2020-12-22 Vadim Neklyudov , Viatcheslav Freger

Corona charging a free-standing polymer film can produce a quasi-permanent potential difference across the film thickness, while the absolute amplitude of surface voltage may be highly sensitive to the free charges. To precisely control the…

Applied Physics · Physics 2020-06-01 Rui Kou , Ying Zhong , Yu Qiao

High electric fields can significantly alter catalytic environments and the resultant chemical processes. Such fields arise naturally in biological systems but can also be artificially induced through localized excitations at nanoscale.…

We demonstrate the ability to load, cool and detect singly-charged calcium ions in a surface electrode trap using only visible and infrared lasers for the trapped-ion control. As opposed to the standard methods of cooling using…

Atomic Physics · Physics 2017-07-27 F. Lindenfelser , M. Marinelli , V. Negnevitsky , S. Ragg , J. P. Home

The impact of liquid drops onto solid surfaces leads to conversion of kinetic energy of directed drop motion into various forms of energy including surface energy, vibrational energy, heat, and under suitable conditions, electrical energy.…

Applied Physics · Physics 2020-09-21 Hao Wu , Niels Mendel , Dirk van den Ende , Guofu Zhou , Frieder Mugele

The overpotential, dissociation rate, electrode potential distributions and current density are suggested in this study to analyze the Nickel Vanadium Redox Flow Battery (NVRFB). Due to its large capacity and ecofriendly properties, NVRFB…

Materials Science · Physics 2022-09-21 Anupam Saha , Shinthia Binte Eskender

The comprehensive depiction of the many-body effects governing nanoconfined electrolytes is an essential step for the conception of nanofluidic devices with optimized performance. By incorporating self-consistently multivalent charges into…

Soft Condensed Matter · Physics 2020-12-14 Sahin Buyukdagli

We experimentally demonstrate the formation of salt aggregations with unexpectedly high concentration inside multi-walled carbon nanotubes (CNTs) soaked only in dilute salt solutions and even in solutions containing only traces of salts.…

Materials Science · Physics 2018-12-26 Xueliang Wang , Guosheng Shi , Shanshan Liang , Jian Liu , Deyuan Li , Gang Fang , Renduo Liu , Long Yan , Haiping Fang

High-brightness electron beams provided by modern accelerators require several measures to preserve their high quality and to avoid instabilities. The mitigation of the impact of residual ions is one of these measures. It is particularly…

Accelerator Physics · Physics 2019-10-10 Gisela Pöplau , Atoosa Meseck , Fjodor Falkenstern , Michael Markert , Joachim Bartilla

Accurate charge densities are central to electronic-structure theory, but computing charge-state-dependent densities with density functional theory remains too expensive for large-scale screening and defect workflows. We present ChargeFlow,…

Materials Science · Physics 2026-03-26 Tri Minh Nguyen , Sherif Abdulkader Tawfik , Truyen Tran , Svetha Venkatesh

The diffusivity of water in aqueous cesium iodide solutions is larger than that in neat liquid water, and vice versa for sodium chloride solutions. Such peculiar ion-specific behavior, called anomalous diffusion, is not reproduced in…

Chemical Physics · Physics 2023-10-26 Nikhil V. S. Avula , Michael L. Klein , Sundaram Balasubramanian

The conversion of heat into current can be obtained by a process with two stages. In the first one, the heat is used for distilling a solution and obtaining two flows with different concentrations. In the second stage, the two flows are…

Chemical Physics · Physics 2014-03-18 M. Marino , L. Misuri , A. Carati , D. Brogioli

Electrolyte solutions based on the propylene carbonate (PC)-dimethoxyethane (DME) mixtures are of significant importance and urgency due to emergence of lithium-ion batteries. Solvation and coordination of the lithium cation in these…

Materials Science · Physics 2015-02-02 Vitaly Chaban

Understanding ion adsorption at electrified metal-electrolyte interfaces is essential for accurate modeling of electrochemical systems. Here, we systematically investigate the free energy profiles of Na$^+$, Cl$^-$, and F$^-$ ions at the…

Chemical Physics · Physics 2026-02-27 Fabrice Roncoroni , Abrar Faiyad , Yichen Li , Tao Ye , Ashlie Martini , David Prendergast

Thus far, Computational Fluid Dynamics (CFD) simulations fail to predict the electrostatic charging of particle-gas flows reliably. The lack of a predictive tool leads to powder operations prone to deposits and discharges, making chemical…

Fluid Dynamics · Physics 2022-12-12 Holger Grosshans , Simon Jantač