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Li-ion full cell using LiFePO4 and Mn3O4-mesoporous carbon composite as electrodes for energy storage applications
Author(s): Manoj M.; Anilkumar K. M.; Abhilash A.; S. Jayalekshmi
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Paper Abstract

In the present work, an eco-friendly and low-cost lithium-ion full cell assembled using Mn3O4-mesoporous (MnMC) composite anode and LiFePO4 cathode (LFP) is investigated for energy storage applications. Hydrothermally synthesized Mn3O4 nanoflakes with a length of 40-50 nm are physically mixed with mesoporous carbon (MC) to obtain MnMC nanocomposite, and sol-gel method in the presence of citric acid is employed to synthesize the cathode material LiFePO4. The structural and morphological details of LFP cathode are investigated using X-ray diffraction (XRD) and field emission scanning electron microscopy (FE-SEM) techniques and the electrochemical performance is evaluated by assembling half cells with lithium metal as the counter electrode. The MnMC nanocomposite is pre-lithiated and combined with LFP cathode for the full lithium ion cell with a cathode limiting capacity. The LFP-MnMC full cells exhibit reversible capacity of the LFP cathode and show good cycling stability with a capacity retention of 66% and the average Coulombic efficiency is found to be 98% after 100 cycles.

Paper Details

Date Published: 9 September 2019
PDF: 6 pages
Proc. SPIE 11085, Low-Dimensional Materials and Devices 2019, 110851F (9 September 2019); doi: 10.1117/12.2529192
Show Author Affiliations
Manoj M., Cochin Univ. of Science and Technology (India)
Anilkumar K. M., Milad E. Sherief Memorial (MSM) College (India)
Abhilash A., Cochin Univ. of Science and Technology (India)
S. Jayalekshmi, Cochin Univ. of Science and Technology (India)


Published in SPIE Proceedings Vol. 11085:
Low-Dimensional Materials and Devices 2019
Nobuhiko P. Kobayashi; A. Alec Talin; Albert V. Davydov, Editor(s)

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