Evaluation of polaron transport in solids from first‐principles

Y Natanzon, A Azulay, Y Amouyal - Israel Journal of Chemistry, 2020 - Wiley Online Library
Polarons are formed in polar or ionic solids, either molecular or crystalline, due to local
distortions of the lattice induced by charge carriers. Polaron hopping is the primary …

Comparison of lumped diffusion models for voltage prediction of a lithium-ion battery cell during dynamic loads

H Ekström, B Fridholm, G Lindbergh - Journal of Power Sources, 2018 - Elsevier
Three different time-dependent lumped battery models are presented, using a limited set of
only either three or four fitting parameters. The models all include one linear (resistive), one …

Electrochemical-mechanical coupling measurements

Y Song, B Bhargava, DM Stewart, AA Talin, GW Rubloff… - Joule, 2023 - cell.com
Lithium metal solid-state batteries (LiSSBs) present new challenges in the measurement of
material, component, and cell mechanical behaviors and in the measurement and theory of …

Polaron-induced metal-to-insulator transition in vanadium oxides from density functional theory calculations

J Kaur, MLH Chandrappa, C Chen, SP Ong - Physical Review B, 2023 - APS
Vanadium oxides have been extensively studied as phase-change memory units in artificial
synapses for neuromorphic computing due to their metal-insulator transitions (MIT) at or …

The influence of anisotropic surface stresses and bulk stresses on defect thermodynamics in LiCoO2 nanoparticles

P Stein, A Moradabadi, M Diehm, BX Xu, K Albe - Acta Materialia, 2018 - Elsevier
The demand for higher specific capacity and rate capability has led to the adoption of
nanostructured electrodes for lithium-ion batteries. At these length scales, surface effects …

Interfacial strain effects on lithium diffusion pathways in the spinel solid electrolyte Li-doped

C O'Rourke, BJ Morgan - Physical Review Materials, 2018 - APS
The (Li, Al)-codoped magnesium spinel (Li x Mg 1− 2 x Al 2+ x O 4) is a solid lithium-ion
electrolyte with potential use in all-solid-state lithium-ion batteries. The spinel structure …

Effect of lattice and dopant–induced strain on the conductivity of solid electrolytes: application of the elastic dipole method

A Moradabadi, P Kaghazchi - Materialia, 2020 - Elsevier
Here, we studied the possibility of applying the elastic dipole method (EDM) to predict the
response of defect formation and migration energy to an external strain field (ϵ ij) in Al …

Dependence of polaron migration barriers on the fraction of Fock exchange in hybrid functionals: A systematic study of centers in alkali halides

AS Tygesen, JH Chang, JM García-Lastra - Physical Review B, 2023 - APS
We conduct an exhaustive investigation on the dependence of polaron migrations barriers
on the fraction of Fock exchange, α, in hybrid functionals. We analyze different the …

Influence of elastic strain on the thermodynamics and kinetics of lithium vacancy in bulk

A Moradabadi, P Kaghazchi, J Rohrer, K Albe - Physical Review Materials, 2018 - APS
The influence of elastic strain on the lithium vacancy formation and migration in bulk LiCoO
2 is evaluated by means of first-principles calculations within density functional theory (DFT) …

[HTML][HTML] Data-driven exploration and first-principles analysis of perovskite material

L Zhang, J Zhou, X Chen - Journal of Materials Informatics, 2024 - oaepublish.com
In this study, we employ data-driven and first-principles methods (machine learning, density-
functional theory and language model) to comprehensively explore crystal structures …