Li-rich cathodes for rechargeable Li-based batteries: reaction mechanisms and advanced characterization techniques

W Zuo, M Luo, X Liu, J Wu, H Liu, J Li… - Energy & …, 2020 - pubs.rsc.org
Due to their high specific capacities beyond 250 mA hg− 1, lithium-rich oxides have been
considered as promising cathodes for the next generation power batteries, bridging the …

The role of O2 in O-redox cathodes for Li-ion batteries

RA House, JJ Marie, MA Pérez-Osorio, GJ Rees… - Nature Energy, 2021 - nature.com
The energy density of Li-ion batteries can be improved by storing charge at high voltages
through the oxidation of oxide ions in the cathode material. However, oxidation of O2 …

Unlocking anionic redox activity in O3-type sodium 3d layered oxides via Li substitution

Q Wang, S Mariyappan, G Rousse, AV Morozov… - Nature materials, 2021 - nature.com
Sodium ion batteries, because of their sustainability attributes, could be an attractive
alternative to Li-ion technology for specific applications. However, it remains challenging to …

Surface regulation enables high stability of single-crystal lithium-ion cathodes at high voltage

F Zhang, S Lou, S Li, Z Yu, Q Liu, A Dai, C Cao… - Nature …, 2020 - nature.com
Single-crystal cathode materials for lithium-ion batteries have attracted increasing interest in
providing greater capacity retention than their polycrystalline counterparts. However, after …

Correlating ligand-to-metal charge transfer with voltage hysteresis in a Li-rich rock-salt compound exhibiting anionic redox

B Li, MT Sougrati, G Rousse, AV Morozov… - Nature Chemistry, 2021 - nature.com
Anionic redox is a double-edged sword for Li-ion cathodes because it offers a
transformational increase in energy density that is also negated by several detrimental …

Capturing dynamic ligand-to-metal charge transfer with a long-lived cationic intermediate for anionic redox

B Li, K Kumar, I Roy, AV Morozov, OV Emelyanova… - Nature Materials, 2022 - nature.com
Reversible anionic redox reactions represent a transformational change for creating
advanced high-energy-density positive-electrode materials for lithium-ion batteries. The …

Dielectric Polarization in Inverse Spinel‐Structured Mg2TiO4 Coating to Suppress Oxygen Evolution of Li‐Rich Cathode Materials

W Zhang, Y Sun, H Deng, J Ma, Y Zeng… - Advanced …, 2020 - Wiley Online Library
High‐energy Li‐rich layered cathode materials (≈ 900 Wh kg− 1) suffer from severe
capacity and voltage decay during cycling, which is associated with layered‐to‐spinel phase …

Transition metal migration and O2 formation underpin voltage hysteresis in oxygen-redox disordered rocksalt cathodes

K McColl, RA House, GJ Rees, AG Squires… - Nature …, 2022 - nature.com
Lithium-rich disordered rocksalt cathodes display high capacities arising from redox
chemistry on both transition-metal ions (TM-redox) and oxygen ions (O-redox), making them …

Demystifying the lattice oxygen redox in layered oxide cathode materials of lithium-ion batteries

J Chen, W Deng, X Gao, S Yin, L Yang, H Liu, G Zou… - ACS …, 2021 - ACS Publications
The practical application of lithium-ion batteries suffers from low energy density and the
struggle to satisfy the ever-growing requirements of the energy-storage Internet. Therefore …

Probing the Mysterious Behavior of Tungsten as a Dopant Inside Pristine Cobalt‐Free Nickel‐Rich Cathode Materials

N Zaker, C Geng, D Rathore, I Hamam… - Advanced Functional …, 2023 - Wiley Online Library
Nickel‐rich cathode materials with small amounts of tungsten (W) dopants have attracted
extensive attention in recent years. However, the chemical state, crystalline form, compound …