A New Type of Lithium-ion Battery Based on Tin ElectroplatedNegative Electrodes

This work describes the preparation and the characterization of various samples of metallic Snelectroplated on a cupper foil under different current and time regimes. These samples have beencharacterized by XRD and SEM and tested as negative electrodes in a cell using lithium foil as thecounter electrode. The best electrode has been cycled with a capacity in the order of 990 mAhg-1, i.e.approaching 100 % of theoretical capacity at 1 equivalent Li alloying. This electrode was also testedunder a limited capacity regime (400 mAhg-1) showing an interesting cycle life. Finally, the electrodewas used as anode in a lithium-ion cell with LiNi0.5Mn1.5O4 as cathode. This cell performed well athigh rate (1C rate), delivering high capacity and excellent charge-discharge efficiency for a limitedamount of cycles.