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Porous titania was synthesized through the spray-drying of titania nanosheets. SEM-FIB analyses showed that the spray-dried nanosheets were spherical particles with no hollow center. Nitrogen adsorptiondesorption isotherms showed that the porous titania had a mesoporous structure composed of slit-shaped pores. The porous titania acted as a rechargeable active material for the lithium battery. Rechargeable capacities of about 200mAh g-1 (cutoff voltage: 1.0 V) and about 300mAh g-1 (cutoff voltage: 0.5 V) could be achieved over the first ten cycles. [ABSTRACT FROM AUTHOR]