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金属酞菁类化合物因其独特的分子构型与催化活性，在氧还原反应领域备受关注。酞菁铁作为典型代表，具有二维平面结构及大π共轭体系，其分子内多芳香环的协同效应赋予其显著的高催化活性。本研究基于分子工程策略，将酞菁铁分子与氧化石墨烯、碳纳米管复合，成功制备出高性能复合电催化剂。电化学测试表明，酞菁铁/多壁碳纳米管复合催化剂展现出优异的电催化活性与稳定性。通过X射线衍射、X射线光电子能谱及扫描电子显微镜对材料成分、晶体结构、微观形貌及表面化学状态进行系统表征，揭示了复合材料的构效关系。旋转圆盘电极测试显示，该催化剂在碱性条件下半波电位达0.939 V。在锌-空气电池应用中，其比容量为729 mA·h/g，峰值功率密度达187.7 mW/cm2，展现出良好的应用潜力。
Abstract：Metal phthalocyanines have garnered significant attention in the ORR field due to their unique molecular configurations and catalytic activities. Iron phthalocyanine(Fe(Pc)), a representative compound, features a two-dimensional planar structure with an extended π-conjugated system. The synergistic effects of its multi-aromatic rings endow it with remarkable catalytic potential. A molecular engineering strategy is employed to integrate Fe(Pc)molecules with graphene oxide and carbon nanotubes, successfully synthesizing high-performance composite electrocatalysts. Electrochemical evaluations demonstrate that the Fe(Pc)/multi-walled carbon nanotube composite catalyst exhibits exceptional electrocatalytic activity and stability. Systematic characterizations via X-ray diffraction, X-ray photoelectron spectroscopy and scanning electron microscopy are conducted to analyze the material composition, crystal structure, micro-morphology and surface chemical states, elucidating the structure-performance relationships. Rotating disk electrode tests reveales that the catalyst achieves a half-wave potential of 0.939 V under alkaline conditions. When applied in zinc-air batteries, the composite demonstrates a specific capacity of 729 mA·h/g and a peak power density of 187.7 mW/cm2, highlighting its promising application prospects.
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基本信息:
中图分类号:TB383.1;TM911.41;O643.36
引用信息:
[1]陈毅龙.酞菁铁复合碳基纳米材料的氧还原性能研究[J].生态产业科学与磷氟工程,2025,40(12):22-27.
基金信息:
云南省基础研究计划项目（202201AU070113）