Abstract
A porous titania has been prepared by using polystyrene spheres and tri-block copolymer ((EO)20–(PO)70–(EO)20, P123) as templates, and its structure, composition, and performance as anode of lithium ion battery are characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction, and galvanostatic charge/discharge test. The results from SEM and TEM indicate that the prepared porous titania has a trimodal pore system, in which the pores are in ordered arrangement and interconnected with the same pore diameter and uniform wall thickness. The charge/discharge tests show that the battery using the prepared porous titania as anode exhibits good rate capacity and cycle stability.
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Acknowledgments
The authors gratefully acknowledge financial support from the National Natural Science Foundation of China (grant no. NSFC20873046), Specialized Research Fund for the Doctoral Program of Higher Education (grant no. 200805740004), and Natural Science Foundation of Guangdong Province (grant no. 10351063101000001).
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Yi, J., Lu, D., Li, X. et al. Preparation and performance of porous titania with a trimodal pore system as anode of lithium ion battery. J Solid State Electrochem 16, 443–448 (2012). https://doi.org/10.1007/s10008-011-1351-6
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DOI: https://doi.org/10.1007/s10008-011-1351-6