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树脂硬碳作为钠离子电池负极材料，因其高容量和稳定结构备受关注。而硬碳的性能与其微观结构密切相关，目前市场上工业化硬碳材料的微观结构较为杂乱。针对目前市场上硬碳材料微观粒径不可调节的问题，本文采用间苯二酚和甲醛为原料，以甲醇与水为溶剂，利用水热法直接合成直径为1～10μm的树脂微球。将得到的树脂微球经过不同的后处理获得不同的微观结构。通过拉曼光谱、激光粒度分析仪、场发射扫描电子显微镜（SEM）等方式对材料进行了表征，确定了材料为单分散不同粒径的球形硬碳。
Abstract：As the negative electrode material of sodium ion battery, resin-hard carbon has attracted much attention due to its high capacity and stable structure. The performance of hard carbon is closely related to its microstructure. Currently, industrial hard carbon materials on the market are relatively chaotic in microstructure, which has a significant impact on the performance of sodium ion batteries. In response to the problem that the microscopic particle size of hard carbon materials on the market is not adjustable, this paper used resorcinol and formaldehyde as raw materials, methanol and water as solvents, and used hydrothermal method to directly synthesize resin microspheres with a diameter range of 1～10 µm. The obtained resin microspheres were subjected to different post-treatment. The materials were characterized by Raman spectroscopy, laser particle size analyzer, field emission scanning electron microscope(SEM), and the materials were determined to be spherical hard carbon with monodispersed different particle sizes.
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基本信息:
DOI：10.19996/j.cnki.ChinBatlnd.2026.03.006
中图分类号:TQ127.11;TM912
引用信息:
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