Preparation of Li(1.03)Mn(1.97)O(4) and Li(1.06)Mn(1.94)O(4) by the polymer precursor method and x-ray, neutron diffraction and electrochemical studies

Simple item page
dc.contributor.authorReddy, MVen_AU
dc.contributor.authorRaju, MJSen_AU
dc.contributor.authorSharma, Nen_AU
dc.contributor.authorQuan, PYen_AU
dc.contributor.authorNowshad, SHen_AU
dc.contributor.authorEmmanuel, HECen_AU
dc.contributor.authorPeterson, VKen_AU
dc.contributor.authorChowdari, BVRen_AU
dc.date.accessioned2012-01-12T01:05:13Zen_AU
dc.date.available2012-01-12T01:05:13Zen_AU
dc.date.issued2011-01-01en_AU
dc.date.statistics2012-01-12en_AU
dc.description.abstractThe compounds, Li(1.03)Mn(1.97)O(4) and Li(1.06)Mn(1.94)O(4) were prepared by the polymer precursor method followed by heat treatment at 650 degrees C for 6 hours in air. X-ray and neutron diffraction, scanning electron microscopy, and the Brunauer-Emmett-Teller surface area and density determination techniques were used to characterise the compounds. The lattice parameters obtained using neutron diffraction data of Li(1.03)Mn(1.97)O(4) and Li(1.06)Mn(1.94)O(4) are smaller than the parent LiMn(2)O(4) at a = 8.20717(17) and 8.22899(13) A degrees, respectively. Cyclic voltammetry studies were carried out in the potential range of 3.5-4.4V at scan rate of 0.058 mV/sec. Li-doped LiMn(2)O(4) showed the main cathodic and anodic redox peaks at similar to 3.9/4.0 and similar to 4.1/4.15V, respectively. The reversible charge capacities of Li(1.03)Mn(1.97)O(4) with an applied current rate of 360 mA g(-1) at the end of 2(nd) and 230(th) cycle are 88 and 83 (+/- 3) mAh g(-1), respectively. At a current rate of 600 mA g(-1) these charge capacities are 67 and 61 (+/- 3) mAh g(-1), respectively. Li(1.06)Mn(1.94)O(4) shows a capacity of 64 and 62 (+/- 3) mAh g(-1) at the end of 2(nd) and 100(th) cycles, respectively, at a current rate of 360 mA g(-1). (C) 2011 The Electrochemical Society.en_AU
dc.identifier.citationReddy, M. V., Raju, M. J. S., Sharma, N., Quan, P.Y., Nowshad, S.H., Emmanuel, H. E. C., Peterson, V. K., Chowdari, B. V. R. (2011). Preparation of Li(1.03)Mn(1.97)O(4) and Li(1.06)Mn(1.94)O(4) by the polymer precursor method and x-ray, neutron diffraction and electrochemical studies. Journal of the Electrochemical Society, 158(11), A1231-A1236. doi:10.1149/2.074111jesen_AU
dc.identifier.govdoc3849en_AU
dc.identifier.issn0013-4651en_AU
dc.identifier.issue11en_AU
dc.identifier.journaltitleJournal of the Electrochemical Societyen_AU
dc.identifier.paginationA1231-A1236en_AU
dc.identifier.urihttp://dx.doi.org/10.1149/2.074111jesen_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/3983en_AU
dc.identifier.volume158en_AU
dc.language.isoenen_AU
dc.publisherThe Electrochemical Societyen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectX-ray diffractionen_AU
dc.subjectPrecursoren_AU
dc.subjectLithium ionsen_AU
dc.subjectInorganic compoundsen_AU
dc.subjectLattice parametersen_AU
dc.titlePreparation of Li(1.03)Mn(1.97)O(4) and Li(1.06)Mn(1.94)O(4) by the polymer precursor method and x-ray, neutron diffraction and electrochemical studiesen_AU
dc.typeJournal Articleen_AU
Files
License bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
license.txt
Size:
1.71 KB
Format:
Item-specific license agreed upon to submission
Description:
Download
Collections
Journal Articles