Mesoporous Anatase TiO2 with High Surface Area and Controllable Pore Size by F--Ion Doping: Applications for High-Power Li-lon Battery Anode
- Authors
- Jung, Hun-Gi; Yoon, Chong Seung; Prakash, Jai; Sun, Yang-Kook
- Issue Date
- Dec-2009
- Publisher
- AMER CHEMICAL SOC
- Citation
- JOURNAL OF PHYSICAL CHEMISTRY C, v.113, no.50, pp.21258 - 21263
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF PHYSICAL CHEMISTRY C
- Volume
- 113
- Number
- 50
- Start Page
- 21258
- End Page
- 21263
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/175804
- DOI
- 10.1021/jp908719k
- ISSN
- 1932-7447
- Abstract
- A pioneering effort has been made to develop F--ion-doped anatase TiO2 with a spherical shape and mesoporous structure synthesized by a unique, low-temperature Urea-assisted hydrothermal synthesis The electrochemical anode performance of pristine TiO2 for lithium-ion batteries was improved significantly by utilizing F--Ion doping. TiO2 doped with 10 mol % fluorine ions achieved a reversible capacity of 157 mA h/g after 100 cycles In addition, the rate capability of the F--ion-doped TiO2 was encouraging, with a stabilized capacity of 144 mA h/g at 30C (C rating) of charge (Li extraction).
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