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Xiaofeng Zhang, Ilias Belharouak, Li Li, Yu Lei, Jeffrey W. Elam, Anmin Nie, Xinqi Chen, Reza S. Yassar and Richard L. Axelbaum Structural and Electrochemical Study of Al2O3 and TiO2 Coated Li1.2Ni0.13Mn0.54Co0.13O2 Cathode Material Using ALD Advanced Energy Materials 3

Article first published online: 12 JUN 2013 | DOI: 10.1002/aenm.201300269

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An atomic layer deposition (ALD) process is applied to the porous Li-rich cathode Li1.2Ni0.13Mn0.54Co0.13O2 particle for Li-ion batteries. The ALD coated Al2O3 using TMA precursor produces a conformal coating on the particles, which is contrary to the particulate morphology of the ALD-coated TiO2. The paper discusses the impacts of ALD surface-protection film on the battery performance in half- and full-cell configurations at different temperatures.

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