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通过静电纺丝由碳纳米管/碳纳米纤维复合材料构建的用于电热应用的高质量导电网络薄膜。

High-Quality Conductive Network Films Constructed from Carbon Nanotube/Carbon Nanofiber Composites via Electrospinning for Electrothermal Applications.

作者信息

Huang Hedong, Pu Hao, Fan Junwei, Yang Haoxun, Zhao Yunhe, Ha Xinyi, Li Ruiyun, Jiao Defeng, Guo Zeyu

机构信息

College of Materials Science and Art Design, Inner Mongolia Agricultural University, Hohhot 010018, China.

出版信息

Nanomaterials (Basel). 2024 Oct 14;14(20):1646. doi: 10.3390/nano14201646.

DOI:10.3390/nano14201646
PMID:39452982
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11510678/
Abstract

In this study, carbon nanotube (CNT)/carbon nanofiber (CNF) composite electrothermal films were prepared by electrospinning, and the effects of the CNT content and carbonization temperature on the electrothermal properties of the CNT/CNF composite films were investigated. The experimental results demonstrated that the conductivity of the CNT/CNF composite electrothermal film (0.006-6.89 S/cm) was directly affected by the CNT content and carbonization temperature. The electrothermal properties of the CNT/CNF positively correlated with the CNT content, carbonization temperature, and applied voltage. The surface temperature of CNT/CNF can be controlled within 30-260 °C, and continuously heated and cooled 100 times without any loss. The convective heat transfer with air is controllable between 0.008 and 31.75. The radiation heat transfer is controllable between 0.29 and 1.92. The prepared CNT/CNF exhibited a heat transfer efficiency of up to 94.5%, and melted a 1 cm thick ice layer within 3 min by thermal convection and radiation alone.

摘要

在本研究中，通过静电纺丝制备了碳纳米管（CNT）/碳纳米纤维（CNF）复合电热膜，并研究了CNT含量和碳化温度对CNT/CNF复合膜电热性能的影响。实验结果表明，CNT/CNF复合电热膜的电导率（0.006 - 6.89 S/cm）直接受CNT含量和碳化温度的影响。CNT/CNF的电热性能与CNT含量、碳化温度和施加电压呈正相关。CNT/CNF的表面温度可控制在30 - 260℃之间，连续加热和冷却100次无任何损耗。与空气的对流热传递可在0.008至31.75之间控制。辐射热传递可在0.29至1.92之间控制。制备的CNT/CNF表现出高达94.5%的传热效率，仅通过热对流和辐射就能在3分钟内融化1厘米厚的冰层。

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