Title

Long stable cycling of fluorine-doped nickel-rich layered cathodes for lithium batteries

RIS ID

127928

Publication Details

Mayandi Subramaniyam, C., Celio, H., Shiva, K., Gao, H., Goodenough, J., Liu, H. & Dou, S. (2017). Long stable cycling of fluorine-doped nickel-rich layered cathodes for lithium batteries. Sustainable Energy & Fuels, 1 (6), 1292-1298.

Abstract

Theoretically, layered Ni-rich metal oxides are capable of delivering 200 mA h g−1. However, their performances deteriorate due to an irreversible surface reaction with the electrolyte, which could be overcome by the partial substitution of fluorine for oxygen. Herein, a fluorine-doped, Ni-rich metal oxide with the composition LiNi0.7Co0.15Mn0.15O1.95F0.05 exhibited a capacity of 170 mA h g−1 after 100 cycles when tested against lithium.

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Link to publisher version (DOI)

http://dx.doi.org/10.1039/c7se00164a