Electrochemical evaluation of rutile TiO2 nanoparticles as negative electrode for Li-ion batteries |
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| Authors: | P Kubiak M Pfanzelt J Geserick U Hrmann N Hüsing U Kaiser M Wohlfahrt-Mehrens |
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| Affiliation: | aZSW-Center for Solar Energy and Hydrogen Research, Helmholtzstrasse 8, D-89081 Ulm, Germany;bUniversity of Ulm, Institute of Inorganic Chemistry I, Albert Einstein Allee 11, D-89081 Ulm, Germany;cUniversity of Ulm, Electron Microscopy Group of Material Science, Albert Einstein Allee 11, D-89081 Ulm, Germany |
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| Abstract: | Nanosized rutile TiO2 has been prepared by sol–gel chemistry from a glycerol-modified titanium precursor in the presence of an anionic surfactant. The sample has been characterized by X-ray diffraction, nitrogen sorption, scanning electron microscopy (SEM), high resolution transmission electron microscopy (HRTEM) and electrochemical tests. Nanosized rutile TiO2 has been electrochemically investigated using two potential windows: 1.2–3 V and 1–3 V. It exhibits excellent high rates capabilities and good cycling stability. |
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| Keywords: | TiO2 Rutile Anode material Lithium ion battery |
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