Research on the Performance of Amino-Functionalized MXene-Supported Iron Phthalocyanine Catalysts for Oxygen Reduction Reaction

doi:10.12422/j.issn.1006-396X.2026.01.003

Abstract

Abstract:

Against the backdrop of rising global energy needs and pressing environmental concerns,the advancement of efficient and sustainable green energy technologies is paramount.Zinc-air batteries （ZABs） present a highly promising solution,offering a high theoretical energy density and zero-carbon emissions.However,their widespread adoption is limited by the sluggish kinetics of the oxygen reduction reaction（ORR） at the air cathode and the inherent high cost and poor stability of precious-metal catalysts. Herein,we innovatively prepared a NH?-MXene/FePc composite catalyst by anchoring iron phthalocyanine（FePc） onto amino-functionalized MXene（NH₂-MXene） as the support.The influence of the 3-aminopropyltriethoxysilane（APTES） addition amount on the catalyst's structure and ORR performance was systematically studied.The optimized NH₂-MXene /FePc-100 catalyst demonstrates exceptional ORR activity,characterized by a high half-wave potential of 0.92 V,a low Tafel slope of 65.94 mV/dec, and a dominant four-electron transfer pathway.Notably,it exhibits outstanding stability,showing a minimal E_1/2 degradation of only 20 mV after 5 000 cycles of accelerated durability test cycles.Moreover,ZABs equipped with this catalyst achieve superior performance,delivering a peak power density of 182.3 mW/cm² and a specific capacity of 774.7 mA·h/g which significantly surpasses that of commercial Pt/C-based devices.

Key words: MXene, Amino-functionalization, Oxygen reduction reaction catalysts, Zinc-air batteries

摘要：

随着全球能源需求增长和环境问题日益严峻，开发高效、可持续的绿色能源技术成为研究重点。电池因其高能量密度和零碳排放特性备受关注，但其阴极缓慢的氧还原反应（ORR）及贵金属催化剂的高成本、低稳定性限制了其大规模应用。采用氨基功能化MXene作为载体负载酞菁铁（FePc），成功制备了NH₂-MXene/FePc复合催化剂，系统研究了3-氨丙基三乙氧基硅烷（APTES）添加量对催化剂结构及ORR性能的影响规律。结果表明，NH₂-MXene/FePc-100催化剂展现出卓越的ORR活性，半波电位高达0.92 V，Tafel斜率为65.94 mV/dec，ORR过程中4电子步骤占主导；该催化剂在5 000次加速老化测试后，性能衰减仅约20 mV，表现出优异的稳定性；该催化剂组装的锌-空气电池展现出优异的性能，峰值功率密度达182.3 mW/cm²，比容量为774.7 mA·h/g，显著优于商业Pt/C催化剂。

关键词: MXene, 氨基功能化, 氧还原反应催化剂, 锌-空气电池

CLC Number:

TQ426

Chen YANG, Yunkun DAI, Yunlong ZHANG, Zhenbo WANG, Lei ZHAO. Research on the Performance of Amino-Functionalized MXene-Supported Iron Phthalocyanine Catalysts for Oxygen Reduction Reaction[J]. Journal of Petrochemical Universities, 2026, 39(1): 20-26.

杨晨, 戴昀昆, 张云龙, 王振波, 赵磊. 氨基功能化MXene载铁氧还原催化剂的性能研究[J]. 石油化工高等学校学报, 2026, 39(1): 20-26.

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URL: https://journal.lnpu.edu.cn/syhg/EN/10.12422/j.issn.1006-396X.2026.01.003

https://journal.lnpu.edu.cn/syhg/EN/Y2026/V39/I1/20

Figures/Tables 6

Fig.1 XRD patterns of MXene,FePc,NH2-MXene and NH2-MXene/FePc-x

Fig.2 SEM images of different NH2-MXene/FePc

Fig.3 TEM,HAADF-STEM and EDS images NH2-MXene/FePc-100

Fig.4 Electrochemical performance figure captions of NH2-MXene/FePc-x

Fig.5 Accelerated aging test figure captions and i-t curves of NH2-MXene/FePc-100 and Pt/C catalysts

Fig.6 Performance test results of zinc-air batteries assembled based on NH2-MXene/FePc-100 and Pt/C catalysts

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