The role of yttrium content in improving electrochemical performance of layered lithium-rich cathode materials for Li-ion batteries

Li, Ning; An, Ran; Su, Yuefeng; Wu, Feng; Bao, Liying; Chen, Lai; Zheng, Yu; Shou, Haofang; Chen, Shi

doi:10.1039/c3ta11665d

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The role of yttrium content in improving electrochemical performance of layered lithium-rich cathode materials for Li-ion batteries

Published in Journal of Materials Chemistry A • Jan 1, 2013

Authors:

Ning Li

Ran An

Yuefeng Su

Abstract

The promising layered lithium-rich cathode materials, Li1.2Mn0.6−xNi0.2YxO2 (0 ≤ x ≤ 0.05), have been synthesized by substituting Mn4+ in Li1.2Mn0.6Ni0.2O2 with unusually large Y3+ ions, in order to improve their cycling performance and rate capability. An oxalate co-precipitation method is adopted ...

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Subject

Yttrium

Materials science

Electrochemistry

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