In situ construction of surface coating for boosting the electrochemical performance of cobalt-free Li-rich Mn-based cathode

Facilitating the electrochemical ability of nickel-rich layered oxide cathode via perovskite oxide LaAlO3 surface coating

Integrated Surface-to-Bulk Engineering of Li-Rich Mn-Based Cathodes for Reversible Oxygen Redox and Enhanced Interfacial Stability Under Broad-Temperature Conditions.

The pursuit of high-energy-density lithium-ion batteries has established lithium-rich manganese-based layered oxides (LRMs) as compelling cathode candidates. However, their practical application is hindered by irreversible oxygen loss, interfacial degradation, and sluggish reaction kinetics. Notably, kinetic limitation...

Stabilizing the Localized O2 n- for Enhanced Cycling Stability in Li-Rich Cathodes.

Li-rich layered oxides are regarded as the most promising next-generation cathodes. However, the commercial application of Li-rich cathodes is significantly hindered by the irreversible release of oxygen and severe voltage and capacity decay. Herein, a synergistic modification strategy is proposed that effectively achi...

A unified lattice–surface engineering strategy stabilizing oxygen redox in Li-rich cathodes for all-solid-state batteries

Li-rich Mn-based layered oxides (LRMOs) are promising high-energy cathodes for all-solid-state batteries (ASSBs), but their application is limited by irreversible O2 evolution during lattice O2−/O22− redox and interfacial degradation at high voltages. Here we report a “coat–sinter–wash” synthetic strategy that simultan...

Integrating Ferroelectric Interface with Well-tuned Electronic Structure in Lithium-rich Layered Oxide Cathodes for Enhanced Lithium Storage

Spontaneous Formation of a Li–Al Oxide Coating Layer on Ni-Rich Positive Electrode Materials and Improvement of Electrochemical Performance

Surface coating with a lithium-ion conductor is an effective strategy for improving the electrochemical performance of positive electrode materials for lithium-ion batteries. However, preparing a uniform coating by a simple, cost-effective, and solvent-free process remains challenging. Here, we show that simply mixin...