Functionalized Cu current collector by Laser Induced Periodic Surface Structures (LIPSS) to enhance the rate performance of Li-ion batteriesThursday (25.06.2020) 15:20 - 15:40 Room 2
Li-ion batteries (LIBs) are the best energy storage devices for electric vehicles owing to their high energy density and excellent electrochemical performance. LIBs deliver high capacity values but, at high current densities the rate capability is normally decreased mainly due to the poor electronic conductivity of the electroactive materials and their interaction with carbon (conductive additive included in the electrode formulation) and adhesion to the current collector. One strategy to improve the rate performance of LIBs is modifying the surface of the current collectors bare Cu for the negative electrode and Al for the positive electrode. Herein, the effect that the surface modification of the Cu current collector functionalized with ultrashort pulses via Laser Induced Periodic Surface Structures (LIPSS) has on the electrochemical performance of LIBs will be tackled. The results will show the remarkable performance of the LIPSS giving rise to develop high power capability LIBs.
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