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Electrosorption is a promising technique for brackish water deionization and waste water remediation. Faradaic materials with redox activity have recently been shown to enhance both the adsorption capacity and the selectivity of…

Chemical Physics · Physics 2021-01-05 Fan He , Martin Z. Bazant , T. Alan Hatton

We investigate the effect of adsorption-desorption phenomenon of ions in an asymmetric electrolytic cell at open circuit conditions. Our approach is based on the Poisson-Nernst-Planck theory for electrolytes and the kinetic model of…

Chemical Physics · Physics 2017-12-06 S. Bousiadi , I. Lelidis

Molecular dynamics simulations have been used extensively to determine equilibrium properties of the electrode-electrolyte interface in supercapacitors held at various potentials. While such studies are essential to understand and optimize…

Soft Condensed Matter · Physics 2024-02-26 Nicolas Gaudy , Mathieu Salanne , Céline Merlet

We consider electron transfer from a redox to an electrode through and adsorbed intermediate. The formalism is developed to cover all regimes of coverage factor, from lone adsorbate to monolayer regime. The randomness in the distribution of…

Mesoscale and Nanoscale Physics · Physics 2009-12-16 A. V. B. Cruz , A. K. Mishra , W. Schmickler

Recent advances in experimental and computational techniques have allowed for an accurate description of the adsorption of ionic liquids on metallic electrodes. It is now well established that they adopt a multi-layered structure, and that…

Materials Science · Physics 2016-03-15 Benjamin Rotenberg , Mathieu Salanne

Two recent experimental (Li, J.~\emphj{et al}, \emph{Proc.\ Natl.\ Acad.\ Sci.\ U.~S.~A.} {\bf 2014}, 111, 1282-1287) and theoretical studies (B\^aldea, I, \emph{Phys.\ Chem.\ Chem.\ Phys.}\ {\bf 2014}, 16, 25942-25949) have addressed the…

Chemical Physics · Physics 2015-09-21 Ioan Baldea

Several harmful or valuable ionic species present in sea, brackish and wastewaters are amphoteric, and thus their properties depend on the local water pH. Effective removal of these species can be challenging by conventional membrane…

Electron-stimulated desorption (ESD) of cryosorbed molecules on surfaces is a process of relevance to fields as varied as vacuum dynamics in accelerators and astrochemistry. While desorption from such molecular systems induced by keV…

Chemical Physics · Physics 2020-11-05 Rémi Dupuy , Michal Haubner , Bernard Henrist , Jean-Hugues Fillion , Vincent Baglin

The basic mechanism underlying electric field switching produced by a resonant tunnelling diode (RTD) is analysed and the theory compared with experimental results; agreement to within 12% is achieved. The electro-absorption modulator (EAM)…

Mesoscale and Nanoscale Physics · Physics 2009-09-29 J. M. L. Figueiredo , C. N. Ironside , C. R. Stanley

The electrohydrodynamic (EHD) force produced by ions ejected from a corona plasma is a solid state, silent mechanism for accelerating air, useful for applications ranging from electronics cooling to flying microrobots. This paper presents…

Systems and Control · Electrical Eng. & Systems 2021-07-09 Daniel S. Drew , Sean Follmer

The results of molecular dynamics simulations of the properties of water in an aqueous ionic solution close to an interface with a model metallic electrode are described. In the simulations the electrode behaves as an ideally polarizable…

Statistical Mechanics · Physics 2014-09-09 Adam P. Willard , Stewart K. Reed , Paul A. Madden , David Chandler

The absorption of a metallic cathode in OLEDs is analyzed by using FDTD calculation. As the light propagates parallel to the layer, the intensity of Ez polarization decreases rapidly. The intensity at 2.0 um from the dipole is less than a…

Optics · Physics 2018-05-08 Baek-Woon Lee , Young-Gu Ju

Porous electrodes are an integral part of many electrochemical devices since they have high porosity to maximize electrochemical transport and high surface area to maximize activity. Traditional porous electrode materials are typically…

Applied Physics · Physics 2022-05-23 Thomas Roy , Miguel A. Salazar de Troya , Marcus A. Worsley , Victor A. Beck

In order to realize the full potential of ion trap quantum computers, an improved understanding is required of the motional heating that trapped ions experience. Experimental studies of the temperature-, frequency-, and ion--electrode…

Atomic Physics · Physics 2019-09-04 Keith G. Ray , Brenda M. Rubenstein , Wenze Gu , Vincenzo Lordi

The fundamental aspect of physics of ferroelectric materials is the screening of uncompensated bound charges by the dissociative adsorption of ionic charges from the environment. The adsorption of ions can be especially strong when the…

Materials Science · Physics 2025-02-04 Sergei V. Kalinin , Eugene A. Eliseev , Anna N. Morozovska

A two-scale model is presented to simulate the dynamic ion transport and adsorption processes in porous electrodes used for capacitive deionization (CDI). At the pore scale, the Stokes equation governing water flow in porous CDI electrodes…

Fluid Dynamics · Physics 2022-01-14 Min Liu , John Waugh , Siddharth Komini Babu , Jacob S. Spendelow , Qinjun Kang

Molecular adsorbates on metal surfaces exchange energy with substrate phonons and low-lying electron-hole pair excitations. In the limit of weak coupling, electron-hole pair excitations can be seen as exerting frictional forces on…

Materials Science · Physics 2016-09-28 Reinhard J. Maurer , Mikhail Askerka , Victor S. Batista , John C. Tully

In Li-ion batteries the electrochemical potential drives the redox reactions occurring at the interface between electrolyte and storage material, typically active particles for porous electrodes, allowing Li ions intercalation/extraction…

Applied Physics · Physics 2022-03-15 M. Magri , B. Boz , L. Cabras , A. Salvadori

Electrochemically switchable selective membranes play an important role in selective filtration processes such as water desalination, industrial waste treatment and hemodialysis. Currently, membranes for these purposes need to be optimized…

Applied Physics · Physics 2018-02-21 Fang Gao , Christoph E. Nebel

Addressing climate change calls for action to control CO$_2$ pollution. Direct air and ocean capture offer a solution to this challenge. Making carbon capture competitive with alternatives, such as forestation and mineralisation, requires…

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