Abstract
Porous SnO2 hollow microspheres were synthesized by a facile template-free chemical oxidation precipitation combining with an annealing process, with SnSO4 as precursor. The near monodispersed porous hollow nanospheres, composed of nanoparticles with size of about 5nm, were 110–150nm with wall thickness of about 50nm. As anode material for lithium ion batteries, their initial reversible capacity reached 1082mAh/g. The electrodes revealed a capacity of 226mAh/g up to 60 cycles with high Coulombic efficiency. The features of good electrochemical performance and easy to mass production make the porous SnO2 hollow nanospheres potential candidate as high performance anode materials for practical application in lithium-ion batteries.
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