Preparation and electrochemical properties of V2O5 nanofibers as cathode material for lithium ion batteries

Title
Preparation and electrochemical properties of V2O5 nanofibers as cathode material for lithium ion batteries
Authors
Quang-thao Ta여인형조원일모선일
Issue Date
2009-04
Publisher
대한화학회 제103회 총회 및 학술발표회
Abstract
Vanadium pentoxide nanofibers with diameters less than 100 nm and lengths of several micrometers were successfully synthesized by a simple hydrothermal method from the V2O5 xerogel with the addition of KMnO4 as an oxidant for preventing the vanadium ion from being reduced. The effect of experimental conditions on the nanocrystalline V2O5 characteristics has been investigated, such as pH value of the solution, reaction temperature, reaction time and kind of oxidants. The morphologies and the crystallographic structures of the final products were characterized by scanning electron microscopic images and X-ray powder diffraction (XRD) patterns. The electrochemical measurements of the cyclic voltammograms and charge-discharge curves were carried out to reveal the electrochemical properties of the final products.
URI
http://pubs.kist.re.kr/handle/201004/35147
Appears in Collections:
KIST Publication > Conference Paper
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