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<p>The olivine structured LiFeMnPO<sub>4</sub>/carbon (LFMP@C) composite, which serves as the cathode material in LIBs, was created using an intuitive solid-state process, as detailed in this paper. We used XPS, XRD, FESEM, elemental mapping, and N<sub>2</sub> adsorption–desorption studies to examine the materials’ shape, textural characteristics, and composition of elements. The electrochemical performances of LFMP@C composite cathode materials were outstanding with a discharge capability of 169&#xa0;mAhg<sup>−1</sup> at 0.1 C and 122&#xa0;mAhg<sup>−1</sup> at 50 C. The cathode materials also showed cycling stability, with 98.9% retained capacity at 1 C after 100 cycles and 95.3% at 5 C afterward 100 cycles. The loading level was 2.15&#xa0;mg/cm<sup>2</sup>. This work’s LFP/C has potential as a cathode material for high-density electrodes suited for high-energy uses.</p>

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High-performance LiFeMnPO₄/C composite cathode for lithium-ion batteries via solid-state synthesis

  • 期刊论文

  • 发表日期：

    2025年5月28日

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  • V. T. Srisuvetha

摘要

The olivine structured LiFeMnPO4/carbon (LFMP@C) composite, which serves as the cathode material in LIBs, was created using an intuitive solid-state process, as detailed in this paper. We used XPS, XRD, FESEM, elemental mapping, and N2 adsorption–desorption studies to examine the materials’ shape, textural characteristics, and composition of elements. The electrochemical performances of LFMP@C composite cathode materials were outstanding with a discharge capability of 169 mAhg−1 at 0.1 C and 122 mAhg−1 at 50 C. The cathode materials also showed cycling stability, with 98.9% retained capacity at 1 C after 100 cycles and 95.3% at 5 C afterward 100 cycles. The loading level was 2.15 mg/cm2. This work’s LFP/C has potential as a cathode material for high-density electrodes suited for high-energy uses.