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<p>This review analyzes recent progress in oxide ceramic nanofibers (OCNFs) fabricated via electrospinning for high-temperature thermal insulation. It critically examines how synthesis parameters, structural design, and processing routes influence the resulting thermal performance of these materials. Advances in precursor chemistry, spinning parameters, and calcination strategies have enabled the production of finer fibers with controlled diameters below 200&#xa0;nm, optimized porosity, and improved mechanical integrity. Multicomponent oxide systems and dopant engineering have further enhanced insulation efficiency while reducing sintering temperatures. The review highlights key correlations between nanoscale structure and heat-transfer mechanisms, offering insights into tailoring fiber morphology for superior insulation performance. Despite notable achievements, challenges persist in scalable fabrication, uniformity control, and modeling multiphase heat transport. Future directions include the development of sustainable precursor systems, machine learning-assisted process optimization, and exploration of high-entropy oxide compositions to broaden material functionality. Overall, electrospun OCNFs exhibit outstanding potential as lightweight, flexible, and thermally stable materials for next-generation thermal protection and energy-efficient insulation applications.</p>

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Review: Electrospun oxide ceramic nanofibers for high-temperature thermal insulation applications

  • 期刊论文

  • 发表日期：

    2025年11月25日

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  • Hajar Ech-chajiy,
  • Haibo Ouyang,
  • Cuiyan Li,
  • Xinnuo Wang,
  • Mohammed Rouinkou

摘要

This review analyzes recent progress in oxide ceramic nanofibers (OCNFs) fabricated via electrospinning for high-temperature thermal insulation. It critically examines how synthesis parameters, structural design, and processing routes influence the resulting thermal performance of these materials. Advances in precursor chemistry, spinning parameters, and calcination strategies have enabled the production of finer fibers with controlled diameters below 200 nm, optimized porosity, and improved mechanical integrity. Multicomponent oxide systems and dopant engineering have further enhanced insulation efficiency while reducing sintering temperatures. The review highlights key correlations between nanoscale structure and heat-transfer mechanisms, offering insights into tailoring fiber morphology for superior insulation performance. Despite notable achievements, challenges persist in scalable fabrication, uniformity control, and modeling multiphase heat transport. Future directions include the development of sustainable precursor systems, machine learning-assisted process optimization, and exploration of high-entropy oxide compositions to broaden material functionality. Overall, electrospun OCNFs exhibit outstanding potential as lightweight, flexible, and thermally stable materials for next-generation thermal protection and energy-efficient insulation applications.