Size controlled synthesis of Li2MnSiO4 nanoparticles : effect of calcination temperature and carbon content for high performance lithium batteries

Size controlled, nanoparticulate Li2MnSiO4 cathodes were successfully prepared by sol–gel route. Effects of calcination temperature and carbon content (adipic acid) were studied during synthesis process. EPR study was conducted to ensure the formation of phase through oxidation state of manganese. M...

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Main Authors: Aravindan, Vanchiappan, Kim, W. S., Lee, S. Y., Lee, Y. S., Ravi, S.
Other Authors: Energy Research Institute @ NTU (ERI@N)
Format: Article
Language:English
Published: 2014
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Online Access:https://hdl.handle.net/10356/106211
http://hdl.handle.net/10220/23939
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-1062112021-01-08T01:19:39Z Size controlled synthesis of Li2MnSiO4 nanoparticles : effect of calcination temperature and carbon content for high performance lithium batteries Aravindan, Vanchiappan Kim, W. S. Lee, S. Y. Lee, Y. S. Ravi, S. Energy Research Institute @ NTU (ERI@N) DRNTU::Science::General Size controlled, nanoparticulate Li2MnSiO4 cathodes were successfully prepared by sol–gel route. Effects of calcination temperature and carbon content (adipic acid) were studied during synthesis process. EPR study was conducted to ensure the formation of phase through oxidation state of manganese. Microscopic pictures indicate spherical shape morphology of the synthesized Li2MnSiO4 nanoparticles. Transmission electron microscopic pictures confirmed the presence of carbon coating on the surface of the particles. Further, the optimization has been performed based on phase purity and its battery performance. From the optimization, 700 °C and 0.2 mol adipic acid (against total metal ion present in the compound) were found better conditions to achieve high performance material. The Li2MnSiO4 nanoparticles prepared in the aforementioned conditions exhibited an initial discharge capacity of ∼113 mAh g−1 at room temperature in Li/1 M LiPF6 in EC:DMC/Li2MnSiO4 cell configuration. All the Li2MnSiO4 nanoparticles prepared at various conditions experienced the capacity fade during cycling. 2014-10-01T04:50:29Z 2019-12-06T22:06:32Z 2014-10-01T04:50:29Z 2019-12-06T22:06:32Z 2010 2010 Journal Article Aravindan, V., Ravi, S., Kim, W., Lee, S.,& Lee, Y. (2011). Size controlled synthesis of Li2MnSiO4 nanoparticles : effect of calcination temperature and carbon content for high performance lithium batteries. Journal of colloid and interface science, 355(2), 472-477. 0021-9797 https://hdl.handle.net/10356/106211 http://hdl.handle.net/10220/23939 10.1016/j.jcis.2010.12.038 156422 en Journal of colloid and interface science © 2010 Elsevier Inc. 5 p.
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Science::General
spellingShingle DRNTU::Science::General
Aravindan, Vanchiappan
Kim, W. S.
Lee, S. Y.
Lee, Y. S.
Ravi, S.
Size controlled synthesis of Li2MnSiO4 nanoparticles : effect of calcination temperature and carbon content for high performance lithium batteries
description Size controlled, nanoparticulate Li2MnSiO4 cathodes were successfully prepared by sol–gel route. Effects of calcination temperature and carbon content (adipic acid) were studied during synthesis process. EPR study was conducted to ensure the formation of phase through oxidation state of manganese. Microscopic pictures indicate spherical shape morphology of the synthesized Li2MnSiO4 nanoparticles. Transmission electron microscopic pictures confirmed the presence of carbon coating on the surface of the particles. Further, the optimization has been performed based on phase purity and its battery performance. From the optimization, 700 °C and 0.2 mol adipic acid (against total metal ion present in the compound) were found better conditions to achieve high performance material. The Li2MnSiO4 nanoparticles prepared in the aforementioned conditions exhibited an initial discharge capacity of ∼113 mAh g−1 at room temperature in Li/1 M LiPF6 in EC:DMC/Li2MnSiO4 cell configuration. All the Li2MnSiO4 nanoparticles prepared at various conditions experienced the capacity fade during cycling.
author2 Energy Research Institute @ NTU (ERI@N)
author_facet Energy Research Institute @ NTU (ERI@N)
Aravindan, Vanchiappan
Kim, W. S.
Lee, S. Y.
Lee, Y. S.
Ravi, S.
format Article
author Aravindan, Vanchiappan
Kim, W. S.
Lee, S. Y.
Lee, Y. S.
Ravi, S.
author_sort Aravindan, Vanchiappan
title Size controlled synthesis of Li2MnSiO4 nanoparticles : effect of calcination temperature and carbon content for high performance lithium batteries
title_short Size controlled synthesis of Li2MnSiO4 nanoparticles : effect of calcination temperature and carbon content for high performance lithium batteries
title_full Size controlled synthesis of Li2MnSiO4 nanoparticles : effect of calcination temperature and carbon content for high performance lithium batteries
title_fullStr Size controlled synthesis of Li2MnSiO4 nanoparticles : effect of calcination temperature and carbon content for high performance lithium batteries
title_full_unstemmed Size controlled synthesis of Li2MnSiO4 nanoparticles : effect of calcination temperature and carbon content for high performance lithium batteries
title_sort size controlled synthesis of li2mnsio4 nanoparticles : effect of calcination temperature and carbon content for high performance lithium batteries
publishDate 2014
url https://hdl.handle.net/10356/106211
http://hdl.handle.net/10220/23939
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