Solution synthesis of boron substituted LiMn2O4 spinel oxide for use in lithium rechargeable battery |
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Authors: | R Thirunakaran Ki-Tae Kim Yong-Mook Kang Jai-Young Lee |
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Institution: | (1) Department of Materials Science Engineering, Korea Advanced Institute of Science and Technology, 373-1, Guseong-Dong, Yuseong-Gu, Daejon, Republic of South Korea |
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Abstract: | An attempt has been made to synthesize LiMn2O4 spinel and boron substituted LiMn2O4 with atomic concentration of boron ranging from 0.01–0.20 and using glutaric acid as a chelating agent. The spinels have
been characterized using PXRD, CV and galvanostatic charge-discharge studies. The precursor obtained from the glutaric acid
assisted gel was calcined initially at 300 °C for 4 h to obtain the compound and finally at 800 °C for 4 h so as to obtain
homogeneity, high degree of purity and crystallinity for better electrochemical performance. This paper suggests that glutaric
acid assisted B3+ doped (LiBxMn2−xO4) spinel was found to be as an apt candidate with good electrochemical performance for use in lithium battery. |
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