Cluster expansions of multicomponent ionic materials: Formalism and methodology
The cluster expansion (CE) method has seen continuous and increasing use in the study of
configuration-dependent properties of crystalline materials. The original development of the …
configuration-dependent properties of crystalline materials. The original development of the …
Oxygen Dimerization-Driven Cation Migration Induces Voltage Hysteresis in Disordered Rocksalt Cathodes
Despite the potential to increase the energy limit of Li-rich cathodes by using oxygen redox,
its practicality has been limited by the accompanying structural changes and voltage …
its practicality has been limited by the accompanying structural changes and voltage …
Optimizing Li‐Excess Cation‐Disordered Rocksalt Cathode Design Through Partial Li Deficiency
Li‐excess disordered rocksalts (DRXs) are emerging as promising cathode materials for Li‐
ion batteries due to their ability to use earth‐abundant transition metals. In this work, a new …
ion batteries due to their ability to use earth‐abundant transition metals. In this work, a new …
Modeling intercalation chemistry with multiredox reactions by sparse lattice models in disordered rocksalt cathodes
Modern battery materials can contain many elements with substantial site disorder, and their
configurational state has been shown to be critical for their performance. The intercalation …
configurational state has been shown to be critical for their performance. The intercalation …
Construction and Sampling of Alloy Cluster Expansions—A Tutorial
Crystalline alloys and related mixed systems make up a large family of materials with high
tunability that have been proposed as the solution to a large number of energy-related …
tunability that have been proposed as the solution to a large number of energy-related …
Screening and Development of Sacrificial Cathode Additives for Lithium‐Ion Batteries
This work presents a computational screening approach to identify Li‐rich transition‐metal
oxide sacrificial cathode additives and provides experimental validation of antifluorite …
oxide sacrificial cathode additives and provides experimental validation of antifluorite …
Effect of Cation Disorder on Lithium Transport in Halide Superionic Conductors
Li2ZrCl6 (LZC) is a promising solid-state electrolyte due to its affordability, moisture stability,
and high ionic conductivity. We computationally investigate the role of cation disorder in LZC …
and high ionic conductivity. We computationally investigate the role of cation disorder in LZC …
Semigrand-canonical Monte-Carlo simulation methods for charge-decorated cluster expansions
Monte-Carlo sampling of lattice model Hamiltonians is a well-established technique in
statistical mechanics for studying the configurational entropy of crystalline materials. When …
statistical mechanics for studying the configurational entropy of crystalline materials. When …
Deep learning of experimental electrochemistry for battery cathodes across diverse compositions
Artificial intelligence (AI) has emerged as a tool for discovering and optimizing novel battery
materials. However, the adoption of AI in battery cathode representation and discovery is still …
materials. However, the adoption of AI in battery cathode representation and discovery is still …
Short-range order parameter expansions for simple configurational energetics
F Walsh - Physical Review Materials, 2024 - APS
Local chemical environments of multicomponent crystals are parametrized according to
basis vectors of their irreducible invariant subspaces. These short-range order parameters …
basis vectors of their irreducible invariant subspaces. These short-range order parameters …