A universal cooperative assembly-directed method for coating of mesoporous TiO₂ nanoshells with enhanced lithium storage properties
Author(s)Guan, B. Y.; Yu, L.; Lou, X. W.; Li, Ju
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TiO₂ is exceptionally useful, but it remains a great challenge to develop a universal method to coat TiO₂ nanoshells on different functional materials. We report a one-pot, low-temperature, and facile method that can rapidly form mesoporous TiO₂ shells on various inorganic, organic, and inorganic-organic composite materials, including silica-based, metal, metal oxide, organic polymer, carbon-based, and metal-organic framework nanomaterials via a cooperative assembly-directed strategy. In constructing hollow, core-shell, and yolk-shell geometries, both amorphous and crystalline TiO₂ nanoshells are demonstrated with excellent control. When used as electrode materials for lithium ion batteries, these crystalline TiO₂ nanoshells composed of very small nanocrystals exhibit remarkably long-term cycling stability over 1000 cycles. The electrochemical properties demonstrate that these TiO₂ nanoshells are promising anode materials.
DepartmentMassachusetts Institute of Technology. Department of Materials Science and Engineering; Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
American Association for the Advancement of Science (AAAS)
Guan, B. Y. et al. “A Universal Cooperative Assembly-Directed Method for Coating of Mesoporous TiO₂ Nanoshells with Enhanced Lithium Storage Properties.” Science Advances 2, 3 (March 2016): e1501554 © 2016 The Authors
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