Synthesis, Characterization and Charge-Discharge Profile of LiMn0.3Co0.3Ni0.3Fe0.1O2 Prepared via Sol-Gel Method

Kamarulzaman, Norlida; Mohamed, Nor Sabirin; Jaafar, Mohd Hilmi; Yahya, Rosiyah

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Synthesis, Characterization and Charge-Discharge Profile of LiMn_0.3Co_0.3Ni_0.3Fe_0.1O₂ Prepared via Sol-Gel Method, p.56
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Home > Advanced Materials Research > Solid State Science and Technology XXVI > Synthesis, Characterization and Charge-Discharge...

Paper Title:

Synthesis, Characterization and Charge-Discharge Profile of LiMn_0.3Co_0.3Ni_0.3Fe_0.1O₂ Prepared via Sol-Gel Method

Periodical	Advanced Materials Research (Volume 501)
Main Theme	Solid State Science and Technology XXVI
Edited by	R. Abd-Shukor, R. Awang, M. Deraman, M. M. Kamisah & R. Shamsudin
Pages	56-60
DOI	10.4028/www.scientific.net/AMR.501.56
Citation	Mohd Hilmi Jaafar et al., 2012, Advanced Materials Research, 501, 56
Online since	April, 2012
Authors	Mohd Hilmi Jaafar, Nor Sabirin Mohamed, Rosiyah Yahya, Norlida Kamarulzaman
Keywords	Cathode, Iron, Lithium Metal Oxides, Method Development, Sol-Gel (SG)
Price	US$ 28,-

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Abstract

LiCoO2 is a well established commercial Li-ion battery cathode. However, due to cost constraints and the toxicity of the metal, other layered compounds should be investigated. In this paper, layered LiMn0.3Co0.3Ni0.3Fe0.1O2 were prepared using sol-gel method with CH3COOLi•2H2O, (CH3CO2)2Mn•4H2O, (CH3CO2)2Co•4H2O, (CH3CO2)2Ni•4H2O and Fe (NO3)3•9H2O as starting materials. The sample was characterized by simultaneous thermogravimetric analysis, x-ray powder diffraction and scanning electron microscopy. The electrochemical characteristics were studied by a charge-discharge cycle done on the fabricated cell using a charge current of 1.0 mA and a discharge current 0.5 mA between 4.2 and 0.5 V. The XRD results showed that the layered LiMn0.3Co0.3Ni0.3Fe0.1O2 were of pure phase with discharge capacity of about 136 mAhg-1. The batteries were then subjected to a series of charge-discharge cycling in the voltage range of 2.5 to 4.2 V. The results showed there was little loss of capacity after 10 cycles.