Electrical impedance of lithium nickel cobalt oxides doped with aluminium
Three types of lithium nickel cobalt oxides doped with aluminium have been synthesised by a solid state reaction at 800 degrees C for 18 h. The compounds were analysed using X-ray diffraction and gave sharp and well defined peaks. Electrical impedance spectroscopy was performed on all three material...
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Taylor & Francis
2011
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author | Sethuprakhash, V. Basirun, Wan Jefrey |
author_facet | Sethuprakhash, V. Basirun, Wan Jefrey |
author_sort | Sethuprakhash, V. |
collection | UM |
description | Three types of lithium nickel cobalt oxides doped with aluminium have been synthesised by a solid state reaction at 800 degrees C for 18 h. The compounds were analysed using X-ray diffraction and gave sharp and well defined peaks. Electrical impedance spectroscopy was performed on all three materials, and conductivity measurements gave negative activation energies, which increased with the aluminium content. The largest variation in conductivities with temperature was found with the material with the highest aluminium content. Conductivity decreased with the increase in aluminium for all temperatures. |
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format | Article |
id | um.eprints-7538 |
institution | Universiti Malaya |
last_indexed | 2024-03-06T05:18:55Z |
publishDate | 2011 |
publisher | Taylor & Francis |
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spelling | um.eprints-75382019-01-31T08:10:42Z http://eprints.um.edu.my/7538/ Electrical impedance of lithium nickel cobalt oxides doped with aluminium Sethuprakhash, V. Basirun, Wan Jefrey QD Chemistry Three types of lithium nickel cobalt oxides doped with aluminium have been synthesised by a solid state reaction at 800 degrees C for 18 h. The compounds were analysed using X-ray diffraction and gave sharp and well defined peaks. Electrical impedance spectroscopy was performed on all three materials, and conductivity measurements gave negative activation energies, which increased with the aluminium content. The largest variation in conductivities with temperature was found with the material with the highest aluminium content. Conductivity decreased with the increase in aluminium for all temperatures. Taylor & Francis 2011 Article PeerReviewed Sethuprakhash, V. and Basirun, Wan Jefrey (2011) Electrical impedance of lithium nickel cobalt oxides doped with aluminium. Materials Research Innovations, 15. pp. 92-93. ISSN 1432-8917, DOI https://doi.org/10.1179/143307511x13031890748092 <https://doi.org/10.1179/143307511x13031890748092>. http://www.ingentaconnect.com/content/maney/mri/2011/00000015/A00201s2/art00023?token=00511ac3f613602882405847447b49792f7a3f38425547655d3633757e6f3f2f2730673f582f6b439 10.1179/143307511x13031890748092 |
spellingShingle | QD Chemistry Sethuprakhash, V. Basirun, Wan Jefrey Electrical impedance of lithium nickel cobalt oxides doped with aluminium |
title | Electrical impedance of lithium nickel cobalt oxides doped with aluminium |
title_full | Electrical impedance of lithium nickel cobalt oxides doped with aluminium |
title_fullStr | Electrical impedance of lithium nickel cobalt oxides doped with aluminium |
title_full_unstemmed | Electrical impedance of lithium nickel cobalt oxides doped with aluminium |
title_short | Electrical impedance of lithium nickel cobalt oxides doped with aluminium |
title_sort | electrical impedance of lithium nickel cobalt oxides doped with aluminium |
topic | QD Chemistry |
work_keys_str_mv | AT sethuprakhashv electricalimpedanceoflithiumnickelcobaltoxidesdopedwithaluminium AT basirunwanjefrey electricalimpedanceoflithiumnickelcobaltoxidesdopedwithaluminium |