Topological Protection of Oxygen Redox in Li-Rich Cathodes

Z Chen, W Zhang, S Li, F Pan - The Journal of Physical Chemistry …, 2024 - ACS Publications
Lithium-rich layered oxides (LRLOs) are regarded as promising candidates for next-
generation cathode materials because of their high energy density derived from anionic …

Oxygen Dimerization as a Defect-Driven Process in Bulk LiNiO2

AG Squires, L Ganeshkumar, CN Savory… - ACS Energy …, 2024 - ACS Publications
To explore the possibility of oxygen dimerization─ particularly, the formation of molecular
oxygen-like species─ in the bulk of LiNiO2 lithium ion cathode materials at high states of …

New insights into anionic redox in P2-type oxide cathodes for sodium-ion batteries

ZX Huang, K Li, JM Cao, KY Zhang, HH Liu, JZ Guo… - Nano Letters, 2024 - ACS Publications
Manganese/nickel-based layered transition metal oxides have caught the attention of
studies as promising cathodes for sodium-ion batteries (SIBs). It is reported that utilizing both …

Layered 3d Transition Metal‐Based Oxides for Sodium‐Ion and Lithium‐Ion Batteries: Differences, Links and Beyond

Y Shi, E Hu, A Sumboja… - Advanced Functional …, 2024 - Wiley Online Library
Due to their stable crystal framework, promising energy density, and structural versatility,
layered 3d transition metal oxides have emerged as the preferred cathodes for lithium‐ion …

Oxide Acidity Modulates Structural Transformations in Hydrogen Titanates during Electrochemical Li-Ion Insertion

S Saeed, S Fleischmann, T Kobayashi… - Journal of the …, 2024 - ACS Publications
Hydrogen titanates (HTOs) form a diverse group of metastable, layered titanium oxides with
an interlayer containing both water molecules and structural protons. We investigated how …

Substantial oxygen loss and chemical expansion in lithium-rich layered oxides at moderate delithiation

PM Csernica, K McColl, GM Busse, K Lim, DF Rivera… - Nature Materials, 2024 - nature.com
Delithiation of layered oxide electrodes triggers irreversible oxygen loss, one of the primary
degradation modes in lithium-ion batteries. However, the delithiation-dependent …

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 …

Degradation, Intrinsic Microstrains, and Phase Structure Engineering in Lithium-Rich Oxide Cathode Materials

J Gan, Z Wu, C Zheng, F Qi, C Li, L She, Y Gao… - ACS Energy …, 2024 - ACS Publications
Owing to anionic oxygen redox, cathode materials containing lithium-rich oxides (LROs)
exhibit a large discharge capacity exceeding 300 mAh/g. This makes them viable choices for …

Strong Correlation between Ion-Migration Generated Vacancies and Anion Redox Activity in Layered Oxides

L Yu, C Hu, X Wu, X Lou, T Gan, N Zhang… - ACS Energy …, 2025 - ACS Publications
The role of dynamically generated vacancies associated with cation migrations in activating
or facilitating the anion redox reaction (ARR) in layered oxides is still unknown. By taking P2 …

Boosting Anionic Redox Reactions of Li‐Rich Cathodes through Lattice Oxygen and Li‐Ion Kinetics Modulation in Working All‐Solid‐State Batteries

S Sun, CZ Zhao, GY Liu, SC Wang, ZH Fu… - Advanced …, 2024 - Wiley Online Library
The use of lithium‐rich manganese‐based oxides (LRMOs) as the cathode in all‐solid‐state
batteries (ASSBs) holds great potential for realizing high energy density over 600 Wh kg− 1 …