Modeling of Nanomaterials for Supercapacitors: Beyond Carbon Electrodes

S Bi, L Knijff, X Lian, A van Hees, C Zhang… - ACS nano, 2024 - ACS Publications
Capacitive storage devices allow for fast charge and discharge cycles, making them the
perfect complements to batteries for high power applications. Many materials display …

[HTML][HTML] Molecular dynamics simulations of metal-electrolyte interfaces under potential control

L Andersson, C Zhang - Current Opinion in Electrochemistry, 2023 - Elsevier
The interfaces between metal electrodes and liquid electrolytes are prototypical in
electrochemistry. That is why it is crucial to have a molecular and dynamical understating of …

2023 Roadmap on molecular modelling of electrochemical energy materials

C Zhang, J Cheng, Y Chen, MKY Chan… - Journal of Physics …, 2023 - iopscience.iop.org
New materials for electrochemical energy storage and conversion are the key to the
electrification and sustainable development of our modern societies. Molecular modelling …

Chemical Properties from Graph Neural Network-Predicted Electron Densities

EM Sunshine, M Shuaibi, ZW Ulissi… - The Journal of Physical …, 2023 - ACS Publications
According to density functional theory, any chemical property can be inferred from the
electron density, making it the most informative attribute of an atomic structure. In this work …

[HTML][HTML] Predicting the electronic density response of condensed-phase systems to electric field perturbations

AM Lewis, P Lazzaroni, M Rossi - The Journal of Chemical Physics, 2023 - pubs.aip.org
We present a local and transferable machine-learning approach capable of predicting the
real-space density response of both molecules and periodic systems to homogeneous …

Simulating the charging mechanism of a realistic nanoporous carbon-based supercapacitor using a fully polarizable model

C Bacon, P Simon, M Salanne, A Serva - Energy Storage Materials, 2024 - Elsevier
Nanoporous carbon-based supercapacitors are established energy storage devices, that
complement Li-ion batteries in high-power applications. So far, the study of these systems …

Induced charges in a Thomas–Fermi metal: insights from molecular simulations

S Nair, G Pireddu, B Rotenberg - Molecular Physics, 2024 - Taylor & Francis
We study the charge induced in a Thomas–Fermi metal by an ion in vacuum, using an
atomistic description employed in constant-potential molecular dynamics simulations, and …

Covariant Jacobi-Legendre expansion for total energy calculations within the projector augmented wave formalism

B Focassio, M Domina, U Patil, A Fazzio, S Sanvito - Physical Review B, 2024 - APS
Machine-learning models can be trained to predict the converged electron charge density of
a density functional theory (DFT) calculation. In general, the value of the density at a given …

Grand-Canonical First Principles-Based Calculations of Electrochemical Reactions

R Jinnouchi - Journal of The Electrochemical Society, 2024 - iopscience.iop.org
This article introduces the first principles-based grand-canonical formalisms of several
representative electronic structure calculation methods in electrochemistry, which are …

Efficient Sampling for Machine Learning Electron Density and Its Response in Real Space

C Feng, Y Zhang, B Jiang - arXiv preprint arXiv:2410.04977, 2024 - arxiv.org
Electron density is a fundamental quantity, which can in principle determine all ground state
electronic properties of a given system. Although machine learning (ML) models for electron …