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Abstract <p>The LiNi<sub>0.5</sub>Mn<sub>1.5</sub>O<sub>4</sub> cathode material has increasingly become a focal point of research. This study presents the synthesis of LiNi<sub>0.5</sub>Mn<sub>1.5</sub>O<sub>4</sub> via alcohol solvent precipitation method. The impact of various reaction solvent systems on the morphology, phase state, and electrochemical performance of the LiNi<sub>0.5</sub>Mn<sub>1.5</sub>O<sub>4</sub> cathode material were investigated. The results showed that LiNi<sub>0.5</sub>Mn<sub>1.5</sub>O<sub>4</sub> cathode material prepared via alcohol solvent precipitation method demonstrated remarkable electrochemical properties: At a 0.2 C-rate, the initial discharge specific capacity was 123.12 mA h g<sup>–1</sup>, and after 100 cycles, the discharge capacity retained at 94.0%. The discharge capacities were measured to be 114.63 (1.0 C), 97.63 (2.0 C), and 80.23 (5.0 C) mA h g<sup>–1</sup>, respectively. The material demonstrated excellent rate performance and stability. Furthermore, the results indicate that the alcohol solvent precipitation method is a promising technology for the preparation of LiNi<sub>0.5</sub>Mn<sub>1.5</sub>O<sub>4</sub>.</p>

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Fabricating High-Voltage LiNi0.5Mn1.5O4 Cathode Material for Lithium-Ion Batteries via Alcohol Solvent Precipitation Method

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  • 出版模式：

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  • 发表日期：

    2025年4月25日

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  • Xuetian Li,
  • Xiaoyan Xing,
  • Wenlong Li,
  • Zhongcai Shao

摘要

Abstract

The LiNi0.5Mn1.5O4 cathode material has increasingly become a focal point of research. This study presents the synthesis of LiNi0.5Mn1.5O4 via alcohol solvent precipitation method. The impact of various reaction solvent systems on the morphology, phase state, and electrochemical performance of the LiNi0.5Mn1.5O4 cathode material were investigated. The results showed that LiNi0.5Mn1.5O4 cathode material prepared via alcohol solvent precipitation method demonstrated remarkable electrochemical properties: At a 0.2 C-rate, the initial discharge specific capacity was 123.12 mA h g–1, and after 100 cycles, the discharge capacity retained at 94.0%. The discharge capacities were measured to be 114.63 (1.0 C), 97.63 (2.0 C), and 80.23 (5.0 C) mA h g–1, respectively. The material demonstrated excellent rate performance and stability. Furthermore, the results indicate that the alcohol solvent precipitation method is a promising technology for the preparation of LiNi0.5Mn1.5O4.