Over‐Stoichiometric Metastabilization of Cation‐Disordered Rock Salts

Y Wang, A Outka, WM Takele, M Avdeev… - Advanced …, 2023‏ - Wiley Online Library
Cation‐disordered rock salts (DRXs) are well known for their potential to realize the goal of
achieving scalable Ni‐and Co‐free high‐energy‐density Li‐ion batteries. Unlike in most …

Probing Jahn–Teller Distortions and Antisite Defects in LiNiO2 with 7Li NMR Spectroscopy and Density Functional Theory

AR Genreith-Schriever, CS Coates… - Chemistry of …, 2024‏ - ACS Publications
The long-and local-range structure and electronic properties of the high-voltage lithium-ion
cathode material for Li-ion batteries, LiNiO2, remain widely debated, as are the degradation …

Understanding the limits to short-range order suppression in many-component disordered rock salt lithium-ion cathode materials

AG Squires, DO Scanlon - Journal of Materials Chemistry A, 2023‏ - pubs.rsc.org
Suppressing unfavourable short-range ordering in disordered rock salt lithium-ion cathode
materials is seen as a key research goal on their route to commercialisation. In this study we …

Structural and Chemical Evolution of Highly Fluorinated Li‐Rich Disordered Rocksalt Oxyfluorides as a Function of Temperature

N Sunariwal, F Dogan, I Roy, K Kumar… - Advanced Functional …, 2024‏ - Wiley Online Library
Li‐rich disordered rocksalt (DRS) oxyfluorides have emerged as promising high‐energy
cathode materials for lithium‐ion batteries. While a high level of fluorination in DRS …

Under pressure: offering fundamental insight into structural changes on ball milling battery materials

LL Driscoll, EH Driscoll, B Dong, FN Sayed… - Energy & …, 2023‏ - pubs.rsc.org
Synthesis of Li ion battery materials via ball milling has been a huge area of growth, leading
to new high-capacity electrode materials, such as a number of promising disordered rocksalt …

Electron Localization in Cation-Disordered Rock Salt Electrodes

A Outka, HP Ho, WCH Kuo, Y Wang… - ACS Energy …, 2024‏ - ACS Publications
In Li-ion battery cathode materials, the degree of electron localization and the resulting
electron transport schemes fundamentally determine the redox behavior. How these …

[HTML][HTML] Correlation between oxygen redox and structure of oxide cathode materials

Z Zhang, Y Li, C Zhang, Y Gao, X Wang, Z Wang… - Next Materials, 2024‏ - Elsevier
Redox of the transition metals is definitely the most important way of charge compensation in
the conventional electrode materials. Utilization of oxygen redox (or more popularly the …

Exploration of oxyfluoride frameworks as Na-ion cathodes

D Deb, G Sai Gautam - Chemistry of Materials, 2024‏ - ACS Publications
Na-ion batteries (NIBs) are increasingly considered as a viable alternative to Li-ion batteries
due to the abundance, low cost, and thermal stability of Na-based systems. To improve the …

Interfacial deterioration in highly fluorinated cation-disordered rock-salt cathode: Carbonate-based electrolyte vs. ether-based electrolyte

Y Liu, X Wu, H Feng, G Lu, Y Jiang, X Lou, C Li… - Energy Storage …, 2024‏ - Elsevier
Cation-disordered rock-salts (DRX) emerge as an intriguing class of high-capacity cathode
materials, garnering significant attention in the development of advanced energy-storage …

Synthesis and Structure Stabilization of Disordered Rock Salt Mn/V-Based Oxyfluorides as Cathode Materials for Li-Ion Batteries

I Blumenhofer, Y Shirazi Moghadam… - ACS Materials …, 2022‏ - ACS Publications
The demand for high-performance lithium-ion batteries and thus efficient cathode materials
is steadily increasing. In addition to a high energy density and long lifetime, these should …