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

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

doi:10.4028/www.scientific.net/AMR.501.56

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 501Synthesis, Characterization and Charge-Discharge...

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

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.

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Periodical:

Advanced Materials Research (Volume 501)

Pages:

56-60

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.501.56

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Online since:

April 2012

Authors:

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

Keywords:

Cathode, Iron, Lithium Metal Oxides, Method Development, Sol-Gel (SG)

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