Electrochemical evaluation of rutile TiO<sub>2</sub> nanoparticles as negative electrode for Li-ion batteries期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Electrochemical evaluation of rutile TiO₂ nanoparticles as negative electrode for Li-ion batteries

Authors:	P. Kubiak, M. Pfanzelt, J. Geserick, U. H rmann, N. Hü sing, U. Kaiser,M. Wohlfahrt-Mehrens

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

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.

Keywords:	TiO₂ Rutile Anode material Lithium ion battery
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