Template-Free Synthesis of SnO2 Hollow Nanostructures with High Lithium Storage Capacity Lou, X. W. ; Wang, Y. ; Yuan, C. ; Lee, J. Y. ; Archer, L. A. Abstract Publication: Advanced Materials Pub Date: September 2006 DOI: 10.1002/adma.200600733 Bibcode: 2006AdM....18.2325L