Li-ion full cell using LiFePO4 and Mn3O4-mesoporous carbon composite as electrodes for energy storage applications

Manoj M.; Anilkumar K. M.; Abhilash A.; S. Jayalekshmi

doi:10.1117/12.2529192

9 September 2019 Realizing Li-ion full cell using LiFePO₄ cathode and Mn₃O₄-mesoporous carbon composite anode for energy storage applications

Manoj M., Anilkumar K. M., Abhilash A., S. Jayalekshmi

Author Affiliations +

Proceedings Volume 11085, Low-Dimensional Materials and Devices 2019; 110851F (2019) https://doi.org/10.1117/12.2529192
Event: SPIE Nanoscience + Engineering, 2019, San Diego, California, United States

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.

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Manoj M., Anilkumar K. M., Abhilash A., and S. Jayalekshmi "Realizing Li-ion full cell using LiFePO₄ cathode and Mn₃O₄-mesoporous carbon composite anode for energy storage applications", Proc. SPIE 11085, Low-Dimensional Materials and Devices 2019, 110851F (9 September 2019); https://doi.org/10.1117/12.2529192

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