Low temperature synthesis of LiNi0.5Mn1.5O4 spinel |
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| Affiliation: | 1. School of Chemistry and Chemical Engineering, Anhui University of Technology, Maanshan, Anhui 243002, PR China;2. Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, PR China;1. MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology, No.92 West-Da Zhi Street, Harbin 150001, China;2. College of Materials Science and Engineering, Shenzhen University, Shenzhen 518071, China;3. Zhuhai Zhongli New Energy Sci-Tech Co., Ltd., Zhuhai 519175, China |
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| Abstract: | Pure LiNi0.5Mn1.5O4 phase was prepared by one-step solid-state reaction at 600 °C in air. TG measurement revealed that the oxygen loss occurred when the mixed precursors were heated above 700 °C. X-ray diffraction (XRD) pattern and scanning electron microscopic (SEM) image indicated that LiNi0.5Mn1.5O4 has cubic spinel structure with small and homogeneous particles. Electrochemical test showed that the prepared LiNi0.5Mn1.5O4 delivered up to 138 mA h g? 1, and the capacity retained 128 mA h g? 1 after 30 cycles. |
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