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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...
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