The preparation of SiO2/SWCNT@Ni composite film with sandwich structure and its excellent electromagnetic shielding and thermal insulation performances in extreme environment

IF 23.2 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES

Advanced Composites and Hybrid Materials Pub Date : 2025-03-13 DOI:10.1007/s42114-025-01235-y

Junting Lei, Ziyuan Han, Lilin Xiang, Duo Pan, Hu Liu, Changyu Shen

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引用次数: 0

Abstract

With the continuous exploration of the extreme environment in space, strong space radiation and extreme high temperature environment have brought great challenges to the research work of astronauts. This study effectively created the SiO₂/SWCNT@Ni composite film with electromagnetic shielding and thermal insulation performances by a high-temperature carbon reduction process utilizing the SiO₂ nanofiber, the poly(vinyl alcohol) (PVA) solution of single-walled carbon nanotubes (SWCNT), and Ni(NO₃)₂ as raw ingredients. The adaptable SiO₂ nanofiber membrane was synthesized by sol–gel and electrospinning methods utilizing tetraethyl n-silicate hydrolysis precursors as the primary ingredients. At a result, when the content of SWCNT content is 9 wt%, the average EMI SE_T of SiO₂/SWCNT₉@Ni is 39.4 dB, and the thermal conductivity measures 0.0405 W/m·K. In addition, SiO₂/SWCNT₉@Ni shows a good flame-retardant performance. Consequently, this research holds significant reference value in the field of manned spaceflight.

Graphical abstract

SiO₂/SWCNT@Ni composite film with sandwich structure has excellent electromagnetic shielding and thermal insulation performances.

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夹层结构SiO2/SWCNT@Ni复合薄膜的制备及其在极端环境下优异的电磁屏蔽和隔热性能

随着对空间极端环境的不断探索，强烈的空间辐射和极端高温环境给航天员的研究工作带来了极大的挑战。本研究以SiO2纳米纤维、单壁碳纳米管（SWCNT）的聚乙烯醇（PVA）溶液和Ni(NO3)2为原料，采用高温碳还原工艺制备了具有电磁屏蔽和隔热性能的SiO2/SWCNT@Ni复合薄膜。以四乙基硅酸水解前驱体为主要原料，采用溶胶-凝胶法和静电纺丝法合成了适应性SiO2纳米纤维膜。结果表明，当swcnts含量为9 wt%时，SiO2/SWCNT9@Ni的平均EMI SET值为39.4 dB，导热系数为0.0405 W/m·K。此外，SiO2/SWCNT9@Ni具有良好的阻燃性能。因此，本研究在载人航天领域具有重要的参考价值。具有夹层结构的sio2 /SWCNT@Ni复合薄膜具有优异的电磁屏蔽和隔热性能。

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来源期刊

Advanced Composites and Hybrid Materials Multiple-

CiteScore

26.00

自引率

21.40%

发文量

185

期刊介绍： Advanced Composites and Hybrid Materials is a leading international journal that promotes interdisciplinary collaboration among materials scientists, engineers, chemists, biologists, and physicists working on composites, including nanocomposites. Our aim is to facilitate rapid scientific communication in this field. The journal publishes high-quality research on various aspects of composite materials, including materials design, surface and interface science/engineering, manufacturing, structure control, property design, device fabrication, and other applications. We also welcome simulation and modeling studies that are relevant to composites. Additionally, papers focusing on the relationship between fillers and the matrix are of particular interest. Our scope includes polymer, metal, and ceramic matrices, with a special emphasis on reviews and meta-analyses related to materials selection. We cover a wide range of topics, including transport properties, strategies for controlling interfaces and composition distribution, bottom-up assembly of nanocomposites, highly porous and high-density composites, electronic structure design, materials synergisms, and thermoelectric materials. Advanced Composites and Hybrid Materials follows a rigorous single-blind peer-review process to ensure the quality and integrity of the published work.