4.6 Article

Infiltrative coating of LiNi0.5Co0.2Mn0.3O2 microspheres with layer-structured LiTiO2: towards superior cycling performances for Li-ion batteries

Journal

JOURNAL OF MATERIALS CHEMISTRY A
Volume 2, Issue 47, Pages 19983-19987

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ta04196h

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Funding

  1. National Basic Research Program of China (973 program) [2013CB934700]
  2. Sichuan Province Science and Technology Support Program [2014GZ0093]

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Layer-structured LiTiO2 as a coating layer is built on the surface of ternary layered LiNi0.5Co0.2Mn0.3O2 microspheres using a facile infiltrative pre-coating approach. The uniform, nanoscale LiTiO2 coating layer doped with Ni2+ and Mn4+ ions strongly adheres to the host materials, which endows LiNi0.5Co0.2Mn0.3O2 microspheres with superior high-voltage cycling and thermal stability when used as cathode material for Li-ion batteries.

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