Theory of pH changes in water desalination by capacitive deionization

JE Dykstra, KJ Keesman, PM Biesheuvel… - Water research, 2017 - Elsevier
In electrochemical water desalination, a large difference in pH can develop between feed
and effluent water. These pH changes can affect the long-term stability of membranes and …

Design and application of ion concentration polarization for preconcentrating charged analytes

M Gholinejad, A Jabari Moghadam, DT Phan… - Physics of …, 2021 - pubs.aip.org
Micro/nanofluidic devices integrated with ion concentration polarization (ICP) phenomenon
have been used to preconcentrate low-abundant molecules for separation and detection …

Simulation of chaotic electrokinetic transport: Performance of commercial software versus custom-built direct numerical simulation codes

E Karatay, CL Druzgalski, A Mani - Journal of colloid and interface science, 2015 - Elsevier
Many microfluidic and electrochemical applications involve chaotic transport phenomena
that arise due to instabilities stemming from coupling of hydrodynamics with ion transport …

Ion transport through electrolyte/polyelectrolyte multi-layers

R Femmer, A Mani, M Wessling - Scientific reports, 2015 - nature.com
Ion transport of multi-ionic solutions through layered electrolyte and polyelectrolyte
structures are relevant in a large variety of technical systems such as micro and nanofluidic …

Concentration polarization, surface currents, and bulk advection in a microchannel

CP Nielsen, H Bruus - Physical Review E, 2014 - APS
We present a comprehensive analysis of salt transport and overlimiting currents in a
microchannel during concentration polarization. We have carried out full numerical …

Bipolar nanochannels: the effects of an electroosmotic instability. Part 1. Steady-state response

R Abu-Rjal, Y Green - Flow, 2024 - cambridge.org
The steady-state current–voltage response of ion-selective systems varies as the number of
ion-selective components is varied. For the highly investigated unipolar system, including …

Morphological instability during steady electrodeposition at overlimiting currents

CP Nielsen, H Bruus - Physical Review E, 2015 - APS
We present a linear stability analysis of a planar metal electrode during steady
electrodeposition. We extend the previous work of Sundstrom and Bark by accounting for the …

Spatiotemporal pH dynamics in concentration polarization near ion-selective membranes

MB Andersen, DM Rogers, J Mai, B Schudel… - Langmuir, 2014 - ACS Publications
We present a detailed analysis of the transient pH dynamics for a weak, buffered electrolyte
subject to voltage-driven transport through an ion-selective membrane. We show that pH …

Reaching the limiting current regime by linear sweep voltammetry in ion-exchange membrane systems

AA Moya, P Sistat - Journal of Membrane Science, 2018 - Elsevier
The transient current overshot and the evolution of the ionic concentrations and the electric
potential to the limiting current regime by linear sweep voltammetry have been numerically …

Sharp-interface model of electrodeposition and ramified growth

CP Nielsen, H Bruus - Physical Review E, 2015 - APS
We present a sharp-interface model of two-dimensional ramified growth during quasisteady
electrodeposition. Our model differs from previous modeling methods in that it includes the …