NDLI: Electrochemical properties of LiMn$_{2}$O$_{4}$ prepared with tartaric acid chelating agent

Content Provider	SpringerLink
Author	Arof, A. K. Kufian, M. Z. Aziz, N. Mat r, N. A. Arifin, K. H.
Copyright Year	2017
Abstract	Lithium manganese oxide (LiMn$_{2}$O$_{4}$) has been prepared using sol-gel technique under acidic (pH = 5.8) and alkaline (pH = 9) conditions with tartaric acid as chelating agent. X-ray studies show that under acidic condition, an Mn$_{2}$O$_{3}$ peak was observed indicating the presence of impurities. No impurity was observed for LiMn$_{2}$O$_{4}$ under alkaline conditions. The particle size is mostly in the range of 124 to 185 nm from HR-TEM. The lithium diffusion coefficient, D $_{Li+}$ in LiMn$_{2}$O$_{4}$ is of the order 10$^{−9}$ cm$^{2}$ s$^{−1}$. By using density functional theory (DFT) calculations, structural properties have been obtained. The specific discharge capacity of the cells with LiMn$_{2}$O$_{4}$ prepared under alkaline condition and with LiMn$_{2}$O$_{4}$ prepared under acidic condition discharged at 0.5 C is in the ranges of 132 to 142 and 128 to 139 mAh g$^{−1}$, respectively.
Starting Page	1663
Ending Page	1674
Page Count	12
File Format	PDF
ISSN	09477047
Journal	Ionics
Volume Number	23
Issue Number	7
e-ISSN	18620760
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2017-02-10
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Diffusion coefficient Sol-gel method LiMn$_{2}$O$_{4}$ DFT Half-cell Electrochemistry Renewable and Green Energy Optical and Electronic Materials Condensed Matter Physics Energy Storage
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Engineering Chemical Engineering Materials Science

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