Cluster expansions of multicomponent ionic materials: Formalism and methodology

L Barroso-Luque, P Zhong, JH Yang, F **e, T Chen… - Physical Review B, 2022 - APS
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 …

Oxygen Dimerization-Driven Cation Migration Induces Voltage Hysteresis in Disordered Rocksalt Cathodes

B Kim, P Zhong, Y Choi, S Anand, HM Hau… - Journal of the …, 2024 - ACS Publications
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 …

Optimizing Li‐Excess Cation‐Disordered Rocksalt Cathode Design Through Partial Li Deficiency

L Huang, P Zhong, Y Ha, Z Cai… - Advanced Energy …, 2023 - Wiley Online Library
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 …

Modeling intercalation chemistry with multiredox reactions by sparse lattice models in disordered rocksalt cathodes

P Zhong, F **e, L Barroso-Luque, L Huang, G Ceder - PRX Energy, 2023 - APS
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 …

Construction and Sampling of Alloy Cluster Expansions—A Tutorial

P Ekborg-Tanner, P Rosander, E Fransson, P Erhart - PRX Energy, 2024 - APS
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 …

Screening and Development of Sacrificial Cathode Additives for Lithium‐Ion Batteries

H Kim, KJ Jun, N Szymanski… - Advanced Energy …, 2025 - Wiley Online Library
This work presents a computational screening approach to identify Li‐rich transition‐metal
oxide sacrificial cathode additives and provides experimental validation of antifluorite …

Effect of Cation Disorder on Lithium Transport in Halide Superionic Conductors

P Zhong, S Gupta, B Deng, KJ Jun, G Ceder - ACS Energy Letters, 2024 - ACS Publications
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 …

Semigrand-canonical Monte-Carlo simulation methods for charge-decorated cluster expansions

F **e, P Zhong, L Barroso-Luque, B Ouyang… - Computational Materials …, 2023 - Elsevier
Monte-Carlo sampling of lattice model Hamiltonians is a well-established technique in
statistical mechanics for studying the configurational entropy of crystalline materials. When …

Deep learning of experimental electrochemistry for battery cathodes across diverse compositions

P Zhong, B Deng, T He, Z Lun, G Ceder - Joule, 2024 - cell.com
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 …

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 …