High lithium ion storage capacity of CO annealed titania nanotube arrays

	Clean Technology 2009 Chapter 5: Energy Storage, Fuel Cells and Hydrogen
	High lithium ion storage capacity of CO annealed titania nanotube arrays
Authors:	D. Liu, Y. Zhang, G. Cao
Affilation:	University of Washington, US
Pages:	155 - 162
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
ISBN:	978-1-4398-1787-2
Pages:	412
Order:	Online/Mail/Fax Ordering Options
Indexes:	Keywords, Authors, Affiliations
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Clean Technology 2009

Chapter 5: Energy Storage, Fuel Cells and Hydrogen

High lithium ion storage capacity of CO annealed titania nanotube arrays