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Lithium Insertion into Vanadium Oxide Nanotubes: Electrochemical and Structural Aspects
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Materials Chemistry. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Materials Chemistry, Structural Chemistry. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Materials Chemistry, Inorganic Chemistry. strukturkemi.
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Materials Chemistry. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Materials Chemistry, Structural Chemistry. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Materials Chemistry, Inorganic Chemistry. oorganisk kemi.
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Materials Chemistry. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Materials Chemistry, Structural Chemistry. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Materials Chemistry, Inorganic Chemistry. strukturkemi.
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Materials Chemistry. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Materials Chemistry, Structural Chemistry. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Materials Chemistry, Inorganic Chemistry. strukturkemi.
2006 (English)In: Chemical of Materials, Vol. 18, no 2, 495-503 p.Article in journal (Refereed) Published
Abstract [en]

The electrochemical and structural aspects of lithium insertion into vanadium oxide nanotubes have been studied. Structural changes, induced as lithium was inserted between the vanadium oxide layers, were followed by in situ synchrotron X-ray diffraction recorded during potential steps. Two separate processes were identified: a fast decrease of the interlayer distance followed by a slow two-dimensional relaxation of the intralayer vanadium oxide structure. The nanotubes were synthesized using crystalline V2O5 as a precursor, instead of the normally used vanadium alkoxide, which produced a more cost-effective material with similar performance. Electrochemical measurements showed that surface processes, i.e., charge transfer and/or ohmic drop, were rate-controlling, as can be anticipated for the thin layer electrochemical conditions used in this study.

Place, publisher, year, edition, pages
2006. Vol. 18, no 2, 495-503 p.
National Category
Inorganic Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-76403DOI: doi:10.1021/cm051248wOAI: oai:DiVA.org:uu-76403DiVA: diva2:104315
Available from: 2006-03-02 Created: 2006-03-02 Last updated: 2011-01-11

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Nyholm, LeifGustafsson, TorbjörnEdström, Kristina

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