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Lithium‐rich Mn‐based oxides have gained significant attention worldwide as potential cathode materials for the next generation of high‐energy density lithium‐ion batteries. Nonetheless, the inferior rate capability and voltage decay issues present formidable challenges. Here, a Li‐rich material equipped with quasi‐three‐dimensional (quasi‐3D) Li‐ion diffusion channels is initially synthesized by...
Layered Li‐rich cathode materials with high reversible energy densities are becoming prevalent. However, owing to the activation of low‐potential redox couples and the progressively irreversible structural transformation caused by the local adjustment of transition‐metal ions in the intra/interlayer driven by anionic redox, continuous capacity degradation, and voltage decay emerge, thus greatly reducing...