Physical and Electrochemical Properties of the LiCoO2/LiMn2O4 Interface in Lithium-Ion Batteries

Lithium-Ion batteries are currently widely used in many applications. . This is due to their high-power density and high energy. Improvements for Lithium-Ion batteries will mean improvements in everyone’s present lives. One way to improve the performance of Li-ion batteries is by decreasing the internal resistance of the Lithium-Ion electrode/electrolyte interface. The result will be a more efficient exchange of charge in the battery. One way we might decrease impedance is to investigate the physical and electrochemical properties of Pulsed Laser Deposited LiCoO₂ and LiMn₂O₄ onto Polished Pt substrate at various deposition conditions such as laser energy, frequency, substrate temperature. We will be measuring the thickness of the films using an Ellipsometer and resistivity using the 4-point probe. We will be doing imaging of the films via Scanning Electron Microscopy (SEM) and analyzing chemical composition using Energy Dispersive X-Ray Analysis (EDX).