Controlled synthesis and Li-electroactivity of rutile TiO2 nanostructure with walnut-like morphology
- Authors
- Kim, Dong Hoe; Min, Kyung-Mi; Park, Kyung-Soo; Park, Ik Jae; Cho, In Sun; Seong, Won Mo; Kim, Dong-Wan; Hong, Kug Sun
- Issue Date
- Jan-2013
- Publisher
- ROYAL SOC CHEMISTRY
- Citation
- DALTON TRANSACTIONS, v.42, no.12, pp 4278 - 4284
- Pages
- 7
- Journal Title
- DALTON TRANSACTIONS
- Volume
- 42
- Number
- 12
- Start Page
- 4278
- End Page
- 4284
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/147539
- DOI
- 10.1039/c2dt32251j
- ISSN
- 1477-9226
1477-9234
- Abstract
- Herein, we report on the synthesis of phase-pure rutile walnut-like TiO2 (W-TiO2) spheres composed of single-crystalline nanorod-building blocks using a surfactant-free non-aqueous acidic modified benzyl alcohol route. Based on the various HCl concentration-and reaction time-dependent experiments, an effect of hydrochloric acid on the phase formation mechanism in a non-aqueous system is suggested. As anodes for Li-ion batteries, the W-TiO2 sphere electrodes exhibited superior cycling performance at a rate of 0.2 C without any conducting layers coated onto the anodes; this result is attributed to their high crystallinity and large surface area.
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