Preparation and performance of porous titania with a trimodal pore system as anode of lithium ion battery |
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| Authors: | Jin Yi Dongsheng Lu Xiaoping Li Shejun Hu Weishan Li Jianfei Lei Yuan Wang |
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| Institution: | (1) School of Chemistry and Environment, South China Normal University, Guangzhou, China;(2) Key Laboratory of Electrochemical Technology on Energy Storage and Power Generation of Guangdong Higher Education Institutes, Guangzhou, China;(3) Engineering Research Center of Materials and Technology for Electrochemical Energy Storage, Ministry of Education, Guangzhou, China; |
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| 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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