4.6 Article

Overcoming the chemical instability on exposure to air of Ni-rich layered oxide cathodes by coating with spinel LiMn1.9Al0.1O4

Journal

JOURNAL OF MATERIALS CHEMISTRY A
Volume 4, Issue 16, Pages 5839-5841

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ta01061j

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Funding

  1. Assistant Secretary for Energy Efficiency and Renewable Energy, Office of Vehicle Technologies of the U.S. Department of Energy [DE-EE0006447]
  2. Welch Foundation [F-1254]

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Ni-rich layered oxide cathodes are facing a fundamental challenge of loss in performance as a result of air storage, hampering their practical application in lithium-ion batteries. We present here an investigation of extended air storage and a solution to overcome the chemical instability by coating the Ni-rich layered oxide with a Mn-based spinel oxide.

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