M. Akhilash, P. S. Salini, Bibin John, S. Sujatha, T. D. Mercy

Surface Modification on Nickel Rich Cathode Materials for Lithium‐Ion Cells: A Mini Review

  • Materials Chemistry
  • General Chemical Engineering
  • Biochemistry
  • General Chemistry
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AbstractNickel‐rich (Ni‐rich) layered oxides are considered as the most promising cathode candidates for lithium‐ion cells owing to their high theoretical specific capacity. However, the higher nickel content endows structural deformation through unwanted phase transitions and parasitic side reactions that lead to capacity fading upon prolonged cycling. Hence, a deep understanding of the chemistry and structural behaviour is essential for developing Ni‐rich Lithium Nickel Cobalt Manganese oxide (NCM) cathode‐based high‐energy batteries. The present review focuses on the different challenges associated with Ni‐rich NCM materials and surface modification as a strategy to solve the issues associated with NCM materials, assessment of several coating materials, and the recent developments in the surface modification of Ni‐rich NCMs, with an in‐depth discussion on the impact of coating on the degradation mechanism.

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