Sonochemical synthesis of LiNi0.5Mn1.5O4 and its electrochemical performance as a cathode material for 5 V Li-ion batteries

Ultrasonics Sonochemistry
P SivakumarAharon Gedanken

Abstract

LiNi0.5Mn1.5O4 was synthesized as a cathode material for Li-ion batteries by a sonochemical reaction followed by annealing, and was characterized by XRD, SEM, HRTEM and Raman spectroscopy in conjunction with electrochemical measurements. Two samples were prepared by a sonochemical process, one without using glucose (sample-S1) and another with glucose (sample-S2). An initial discharge specific capacity of 130 mA h g(-1) is obtained for LiNi0.5Mn1.5O4 at a relatively slow rate of C/10 in galvanostatic charge-discharge cycling. The capacity retention upon 50 cycles at this rate was around 95.4% and 98.9% for sample-S1 and sample-S2, respectively, at 30°C.

References

Jan 27, 2005·Chemical Reviews·M Stanley Whittingham
Feb 8, 2008·Nature·M Armand, J-M Tarascon
Sep 18, 2012·Ultrasonics Sonochemistry·Somayeh Khanjani, Ali Morsali
Jan 9, 2013·Journal of the American Chemical Society·John B Goodenough, Kyu-Sung Park
Oct 1, 2013·ACS Applied Materials & Interfaces·Jijun FengM Stanley Whittingham
Dec 24, 2013·Ultrasonics Sonochemistry·Balasubramaniam Gnana Sundara RajSambandam Anandan

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