Nano Science and Technology Institute
Nanotech 2009 Vol. 3
Nanotech 2009 Vol. 3
Nanotechnology 2009: Biofuels, Renewable Energy, Coatings, Fluidics and Compact Modeling
 
Chapter 2: Energy, Storage, Fuel Cells, Hydrogen and Grid
 

High lithium ion storage capacity of CO annealed titania nanotube arrays

Authors:D. Liu, Y. Zhang, G. Cao
Affilation:University of Washington, US
Pages:50 - 57
Keywords:titania nanotube arrays, CO annealing, lithium-ion intercalation
Abstract:Highly ordered titania nanotube (TNT) arrays were fabricated by anodic oxidation of titanium foil followed by CO annealing. The lithium-ion intercalation capacities of the as-prepared sample was studied and found to be improved a lot compared with not only the unannealed arrays but also the arrays annealed in nitrogen. The initial discharge capacity was as high as 360 mAh/g and the cycle stability was also very good. X-ray Photoelectron Spectra (XPS) and the results show that annealing in CO can create Ti3+ defect and carbon-doping on TiO2 nanotube surface. The high lithium-ion storage capacity could be attributed to the greatly improved conductivity induced by Ti3+ defect and carbon-doping
High lithium ion storage capacity of CO annealed titania nanotube arraysView PDF of paper
ISBN:978-1-4398-1784-1
Pages:694
Hardcopy:$179.95
 
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