Electrochemical performance of SnO2 hexagonal nanoplates

This study reports the electrochemical performance of SnO 2 hexagonal nanoplates (SnO 2 -NPs) coated on copper substrate by electrodeposition method in different aqueous electrolytes. The influence of deposition voltage on the morphology of the nanoplates was investigated by scanning electron microscopy. The synthesized SnO 2 was characterized using SEM, X-ray diffraction, Raman, FTIR and UV–visible absorption spectrum. The results clearly have shown that with the increase in deposition voltage at constant deposition time, the thickness of the plate decreased. The obtained nanoplates were of several hundred nanometers in planar dimension and about 50-300 nm in thickness. The electrochemical reaction of SnO 2 -NPs with lithium ions were investigated by cyclic voltammetry in LiOH·H 2 O, Li 2 CO 3 , LiNO 3 and Li 2 SO 4 aqueous solution. The SnO 2 hexagonal nanoplates deposited on copper substrate can be an ideal anode material for aqueous rechargeable lithium-ion battery.