Water-free titania-bronze thin films with superfast lithium-ion transport.

Zhang, Kui; Katz, Michael B; Li, Baihai; Kim, Sung Joo; Du, Xianfeng; Hao, Xiaoguang; Jokisaari, Jacob R; Zhang, Shuyi et al. · Adv Mater · 2014

basic_science · Level V

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Abstract

Using pulsed laser deposition, TiO2 (-) B and its recently discovered variant Ca:TiO2 (-) B (CaTi5O11) are synthesized as highly crystalline thin films for the first time by a completely water-free process. Significant enhancement in the Li-ion battery performance is achieved by manipulating the crystal orientation of the films, used as anodes, with a demonstration of extraordinary structural stability under extreme conditions.

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