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

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 me...

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Published inSustainable energy & fuels Vol. 1; no. 6; pp. 1292 - 1298
Main Authors Subramaniyam, Chandrasekar M., Celio, Hugo, Shiva, Konda, Gao, Hongcai, Goodneough, John B., Liu, Hua Kun, Dou, Shi Xue
Format Journal Article
LanguageEnglish
Published 2017
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Summary: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 LiNi 0.7 Co 0.15 Mn 0.15 O 1.95 F 0.05 exhibited a capacity of 170 mA h g −1 after 100 cycles when tested against lithium.
ISSN:2398-4902
2398-4902
DOI:10.1039/C7SE00164A