Preparation of LiMn2O4 Microstructure by Low Temperature Solid-State Reaction for Cathode Material

Dyah Purwaningsih; Roto Roto; Narsito Narsito; Hari Sutrisno

doi:10.4028/www.scientific.net/AMR.1101.134

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1101Preparation of LiMn2O4 Microstructure by Low...

Preparation of LiMn₂O₄ Microstructure by Low Temperature Solid-State Reaction for Cathode Material

Abstract:

This study aims at investigating a better condition of calcination at different temperature to produce LiMn₂O₄ microstructure. In this study, cubic LiMn₂O₄was synthesized using a low temperature solid-state reaction. We report, here, MnO₂ nanorods synthesis by reflux and their chemical conversion to LiMn₂O₄. The compound was characterized by XRD and TEM. Further, the analysis of LiMn₂O₄ microstructure was carried out by Direct Method using winPLOTR package program and Diamond using XRD data. At low calcination temperature, Mn₂O₃ is present as an impurity, but it disappears along with the increase in calcination temperature. It is also found that solid state reaction at is 750^oC give nanoLiMn₂O₄. The lattice parameters and cell volumes of LiMn₂O₄ increases with the increase in heating temperature.

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Material Science and Engineering Technology III

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Periodical:

Advanced Materials Research (Volume 1101)

Pages:

134-137

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1101.134

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Online since:

April 2015

Authors:

Dyah Purwaningsih*, Roto Roto, Narsito Narsito, Hari Sutrisno

Keywords:

LiMn₂O₄, Low Temperature, Microstructure, Solid-State Reaction

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