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

Authors

Chandrasekar Mayandi Subramaniyam, University of Wollongong, University of TexasFollow
Hugo Celio, University of Texas
Konda Shiva, University of Texas
Hongcai Gao, University of Texas
John Goodenough, University of Texas
Hua-Kun Liu, University of WollongongFollow
Shi Xue Dou, University of WollongongFollow

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.