Oxygen vacancy chemistry in oxide cathodes

YH Zhang, S Zhang, N Hu, Y Liu, J Ma, P Han… - Chemical Society …, 2024 - pubs.rsc.org
Secondary batteries are a core technology for clean energy storage and conversion
systems, to reduce environmental pollution and alleviate the energy crisis. Oxide cathodes …

Oxygen Redox in Alkali-Ion Battery Cathodes

AS Menon, MJW Ogley… - Annual Review of …, 2024 - annualreviews.org
Current high-energy-density Li-ion batteries use stoichiometric Li 3d transition metal oxides
as positive electrodes, which are conventionally described purely by transition-metal redox …

A Cable‐Stayed Honeycomb Superstructure to Improve the Stability of Li‐Rich Materials via Inhibiting Interlaminar Lattice Strain

Y Jiang, Z Liao, F Yu, W Ke, X Li, Y **a, G Xu… - Advanced …, 2024 - Wiley Online Library
In layered Li‐rich materials, over stoichiometric Li forms an ordered occupation of LiTM6 in
transition metal (TM) layer, showing a honeycomb superstructure along [001] direction. At …

Defect Chemistry in High‐Voltage Cathode Materials for Lithium‐Ion Batteries

Y Mei, J Liu, T Cui, Y Li, T Liu, X Ji… - Advanced …, 2024 - Wiley Online Library
High‐voltage cathodes (HVCs) have emerged as a paramount role for the next‐generation
high‐energy‐density lithium‐ion batteries (LIBs). However, the pursuit of HVCs comes with …

Advances and perspectives in understanding the structure-redox relationship of layered Li-Co-Ni-Mn oxide cathode materials

Z Wang, L Li, Z Sun, P Tang, G Hu, J Tan, F Li - Progress in Materials …, 2024 - Elsevier
A comprehensive understanding of the relationship between the structure
(electron/bulk/surface structures) and redox chemistry in the cathodes was discussed in this …

Restraining Planar Gliding in Single‐Crystalline LiNi0.9Co0.05Mn0.05O2 Cathodes by Combining Bulk and Surface Modification Strategies

Z Tan, X Chen, J Lin, Y Huang, W Cheng… - Angewandte Chemie …, 2024 - Wiley Online Library
The delamination cracking from planar gliding along the (003) facets and anisotropic lattice
strain perpendicular to the (003) facets inevitable lead to degradation of Ni‐rich single …

Single O Hole Enables High Cycling Performance by Removing Thermodynamic and Kinetic Limitations

Y Li, S Zheng, J **e, L Shen, J Li, J Meng… - ACS Energy …, 2024 - ACS Publications
Lithium-rich layered oxides involving both transition metal and oxygen redox have received
widespread attention due to their high energy density. However, the participation of oxygen …

Electrochemomechanical failure in layered oxide cathodes caused by rotational stacking faults

D Eum, SO Park, HY Jang, Y Jeon, JH Song, S Han… - Nature Materials, 2024 - nature.com
Electrochemomechanical degradation is one of the most common causes of capacity
deterioration in high-energy-density cathodes, particularly intercalation-based layered …

Role of grain-level chemo-mechanics in composite cathode degradation of solid-state lithium batteries

C Liu, F Roters, D Raabe - Nature Communications, 2024 - nature.com
Solid-state Li-ion batteries, based on Ni-rich oxide cathodes and Li-metal anodes, can
theoretically reach a high specific energy of 393 Wh kg− 1 and hold promise for …

Highly reversible transition metal migration in superstructure-free Li-rich oxide boosting voltage stability and redox symmetry

T Cui, J Xu, X Wang, L Liu, Y **ang, H Zhu, X Li… - Nature …, 2024 - nature.com
The further practical applications of Li-rich layered oxides are impeded by voltage decay
and redox asymmetry, which are closely related to the structural degradation involving …