Journal
JOURNAL OF SOLID STATE ELECTROCHEMISTRY
Volume 16, Issue 2, Pages 443-448Publisher
SPRINGER
DOI: 10.1007/s10008-011-1351-6
Keywords
Porous titania; Lithium ion battery; Rate capacity; Cycle stability
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Funding
- National Natural Science Foundation of China [NSFC20873046]
- Specialized Research Fund for the Doctoral Program of Higher Education [200805740004]
- Natural Science Foundation of Guangdong Province [10351063101000001]
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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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