Electrochemical Analysis of Lithium-ion Battery for Mobile Device Applications
DOI:
https://doi.org/10.54536/ajbb.v5i1.7914Keywords:
Anode, Cathode, Cell, Electrode, Electrolyte, Lithium-Ion, SeparatorAbstract
Lithium-ion batteries (LIBs) are widely used in portable electronic devices because of their high energy density, long cycle life, and excellent electrochemical performance. The growing demand for efficient mobile devices has increased the need for improved battery performance, safety, and durability. This study investigated the electrochemical performance of a Lithium Manganese Oxide (LMO)-based lithium-ion battery for mobile device applications. The objectives were to evaluate the Open Circuit Voltage (OCV) and determine the energy density of the battery system. Materials used included LiMn₂O₄ cathode material, graphite anode, LiPF₆ electrolyte, carbon black additives, and polymer binders. The battery cell was produced through slurry preparation, coating, calendering, and cell assembly processes. OCV and energy density tests were conducted using an LMO half-cell at a C-rate of C/9. The results showed a maximum OCV of 3.81 V and a current of 2.083 A. The battery delivered a maximum energy value of 7.9154 Wh, with gravimetric and volumetric energy densities of 240.15 Wh/kg and 307.51 Wh/L, respectively. These results indicate that the LMO battery possesses good voltage stability and high energy storage capability. The study demonstrates that LMO-based lithium-ion batteries are suitable for mobile device applications due to their high energy density, stable electrochemical performance, and compact energy storage capability.
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Copyright (c) 2026 Emekwisia, Chukwudubem C., Akanni, Moshood A., Oluwafemi, Odunayo O., Oyesetan,Kolade O., Oloyede, Segun G., Olelewe Chibueze J.
This work is licensed under a Creative Commons Attribution 4.0 International License.
