Materials for all-solid-state thin-film rechargeable lithium batteries by sol-gel processing |
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| Authors: | M Vinod D Bahnemann |
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| Institution: | (1) Institut für Solarenergieforschung, Hameln/Emmerthal (ISFH), Aussenstelle, Sokelantstrasse 5, 30165 Hannover, Germany,;(2) Present address: Department of Chemistry, University of Missouri-St. Louis, St. Louis, MO 63121-4499, USA, E-mail: -vinodm@msx.umsl.edu, Tel.: +1-314-5164374, Fax: +1-314-5165342, |
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| Abstract: | A novel all-solid-state thin-film lithium battery has been fabricated by spin coating V2O5 and LiClO4-SiO2 thin films on a stainless steel substrate. The LiClO4-SiO2 electrolyte has been synthesized using a new sol-gel route and it has been characterized by electrochemical impedance spectroscopy.
The Li+ ion conductivity of the spin-coated thin film thus measured is in the order of 10–6 S/cm, at 25 °C, which is sufficient for electrolytes in such thin-film batteries. The battery shows a typical discharge capacity
of about 150 μAh/mg and satisfactory cathodic efficiency and cycle-life performance.
Electronic Publication |
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| Keywords: | Thin Films Lithium batteries Sol-gel processing |
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