May 5, 2020 · Homogeneous single crystal structure and good grain size control greatly released the capacity potential of Li-rich cathode materials and solved the problem of poor rate performance and fast capacity decay.

14 hours ago · The synthesis routes of SC Li-rich oxides can be generally divided into two prevailing categories: molten salt assisted and solid-state reaction strategies [[18], [19], [20]].For instance, Sun et al. develop a representative Li-rich cathode, Li 1.2 Ni 0.2 Mn 0.6 O 2 [14], with octahedral SC morphology via molten salt (LiCl) assisted strategy, where it creates a liquid flux environment for ...

Sep 1, 2023 · By conducting the comprehensive and fair comparison between polycrystalline and single-crystal Li-rich cathodes, a clarified conclusion is drawn that "single-crystallization" is impracticable for Mn-Li-rich materials.

May 2, 2024 · Perspective on High-Stability Single-Crystal Li-Rich Cathode Materials for Li-Ion Batteries. Benefiting from anionic and cationic redox reactions, Li-rich materials have been regarded as next-generation cathodes to overcome the bottleneck of energy density.

Nov 22, 2022 · As one of the high-energy cathode materials of lithium-ion batteries (LIBs), lithium-rich-layered oxide with “single-crystal” characteristic (SC-LLO) can effectively restrain side reactions and cracks due to the reduced inner boundaries and enhanced mechanical stabilities.

Nov 28, 2022 · The present work proposes an accessible strategy of designing single-crystal morphology of Li-rich cathode to release the capacity potential and alleviate the problem of poor rate performance and limited long-term cycle capability.

May 18, 2023 · High-energy-density single-crystal (SC) Li-rich materials with high stability have great potential to be next-generation high-performance cathodes because of their stable anionic redox and excellent mechanical strength.

Mar 30, 2023 · Here we invent a new mechanochemical activation process that offers a general solution to the conundrum of synthesizing coarse single-crystal cathodes with Li-/Mn-rich or Ni-rich...

Jun 16, 2020 · Understanding the fundamental role of surface chemistry in single-crystal structure stability can offer new insights into Ni-rich, single-crystal, cathode materials used for lithium-ion...

The modified single-crystal LMLO cathodes can resist the accumulation of anisotropic stress and strain during the cycling and reduce interface side reactions, thus achieving excellent high-voltage stability and kinetics performance.