Tube-in-tube tin dioxide superstructures with enhanced lithium storage performanceElectronic supplementary information (ESI) available: Experimental details, Table S1 and supporting Fig. S1-S3 (XRD pattern, SEM image, N2 adsorption/desorption isotherms and cycle performance). See DOI: 10.1039/c8cc08968j

Novel tube-in-tube tin dioxide superstructures (TTS) were synthesized with α-Fe 2 O 3 hollow prisms as templates. Due to the special tube-in-tube structure, the SnO 2 TTS possess brilliant lithium storage properties. Novel tube-in-tube tin dioxide superstructures (TTS) were synthesized with α-Fe 2 O 3 hollow prisms as templates and due to the special tube-in-tube structure, the SnO 2 TTS possess brilliant lithium storage properties.