Mechanism of charge transport in lithium thiophosphate

L Gigli, D Tisi, F Grasselli, M Ceriotti - Chemistry of Materials, 2024 - ACS Publications
Lithium ortho-thiophosphate (Li3PS4) has emerged as a promising candidate for solid-state
electrolyte batteries, thanks to its highly conductive phases, cheap components, and large …

Computation of electrical conductivities of aqueous electrolyte solutions: Two surfaces, one property

S Blazquez, JLF Abascal, J Lagerweij… - Journal of chemical …, 2023 - ACS Publications
In this work, we computed electrical conductivities under ambient conditions of aqueous
NaCl and KCl solutions by using the Einstein–Helfand equation. Common force fields …

Accurate electronic properties and intercalation voltages of olivine-type Li-ion cathode materials from extended Hubbard functionals

I Timrov, F Aquilante, M Cococcioni, N Marzari - PRX Energy, 2022 - APS
The design of novel cathode materials for Li-ion batteries would greatly benefit from
accurate first-principles predictions of structural, electronic, and magnetic properties as well …

Invariance principles in the theory and computation of transport coefficients

F Grasselli, S Baroni - The European Physical Journal B, 2021 - Springer
In this work, we elaborate on two recently discovered invariance principles, according to
which transport coefficients are, to a large extent, independent of the microscopic definition …

Self-interaction and transport of solvated electrons in molten salts

P Pegolo, S Baroni, F Grasselli - The Journal of Chemical Physics, 2023 - pubs.aip.org
The dynamics of (few) electrons dissolved in an ionic fluid—as when a small amount of
metal is added to a solution while upholding its electronic insulation—manifests interesting …

SporTran: A code to estimate transport coefficients from the cepstral analysis of (multivariate) current time series

L Ercole, R Bertossa, S Bisacchi, S Baroni - Computer Physics …, 2022 - Elsevier
SporTran is a Python utility designed to estimate generic transport coefficients in extended
systems, based on the Green-Kubo theory of linear response and the recently introduced …

Topology, oxidation states, and charge transport in ionic conductors

P Pegolo, S Baroni, F Grasselli - Annalen der Physik, 2022 - Wiley Online Library
Recent theoretical advances, based on a combination of concepts from Thouless'
topological theory of adiabatic charge transport and a newly introduced gauge‐invariance …

Effect of a temperature gradient on the screening properties of ionic fluids

A Grisafi, F Grasselli - Physical Review Materials, 2023 - APS
The electrostatic screening properties of ionic fluids are of paramount importance in
countless physical processes. Yet the screening behavior of ionic conductors out of thermal …

Heat conductivity from energy-density fluctuations

E Drigo, MG Izzo, S Baroni - The Journal of Chemical Physics, 2023 - pubs.aip.org
We present a method, based on the classical Green-Kubo theory of linear response, to
compute the heat conductivity of extended systems, leveraging energy-density, rather than …

Seebeck coefficient of ionic conductors from Bayesian regression analysis

E Drigo, S Baroni, P Pegolo - Journal of Chemical Theory and …, 2024 - ACS Publications
We propose a novel approach to evaluating the ionic Seebeck coefficient in electrolytes from
relatively short equilibrium molecular dynamics simulations, based on the Green–Kubo …