Abstract
In lithium ion batteries, lithium cobalt oxide is extensively used as a cathode material. However, cobalt has high cost and toxicity, researchers have been investigating for the development of a cobalt free cathode material. LiMn0.475Ni0.475Al0.05O2 is one of the most alternative materials due to its high capacity and energy density. Besides, Al is used to improve the stability. Al-substituted LiMn0.475Ni0.475Al0.05O2 exhibits high rate capability and cycle performance. The hydrothermal method of LiMn0.5-xNi0.5-xAl2xO2 (x = 0.01, 0.02, 0.05, 0.1) results in enhancement of electrochemical performance and stability. The precursors were prepared by stirring in a mixture of de-ionized water and NH4OH for 2h. Afterwards, the mixtures were heated in a Teflon lined autoclave for 4h followed by calcination at 900 °C for 12h. The cyclic performance of LiMn0.5-xNi0.5-xAl2xO2 was measured in the range of 2.0 to 4.5 V. It was observed that LiMn0.5-xNi0.5-xAl2xO2 exhibited the highest capacity at x = 0.05.
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Woo, S.P., Lee, S.H., Lee, K.S., Yoon, Y.S. (2013). Electrochemical Performance of LiMn0.5-XNi0.5-XAl2XO2 by Hydrothermal Method. In: Marquis, F. (eds) Proceedings of the 8th Pacific Rim International Congress on Advanced Materials and Processing. Springer, Cham. https://doi.org/10.1007/978-3-319-48764-9_6
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DOI: https://doi.org/10.1007/978-3-319-48764-9_6
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-48586-7
Online ISBN: 978-3-319-48764-9
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