journal article·2024-06-04

Fabricating Ultrastrong Carbon Nanotube Fibers via a Microwave Welding Interface

Jiankun Huang, Yongzhe Guo, Xudong Lei, Bin Chen, He Hao, Jiajun Luo, Tongzhao Sun, Muqiang Jian, Enlai Gao, Xianqian Wu, Weigang Ma, Yuanlong Shao, Jin Zhang

ACS Nano· Volume 18· Issue 22
Publisher page

Abstract

Liquid crystal wet-spun carbon nanotube fibers (CNTFs) offer notable advantages, such as precise alignment and scalability. However, these CNTFs usually suffer premature failure through intertube slippage due to the weak interfacial interactions between adjacent shells and bundles. Herein, we present a microwave (MW) welding strategy to enhance intertube interactions by partially carbonizing interstitial heterocyclic aramid polymers. The resulting CNTFs exhibit ultrahigh static tensile strength (6.74 ± 0.34 GPa) and dynamic tensile strength (9.52 ± 1.31 GPa), outperforming other traditional high-performance fibers. This work provides a straightforward yet effective approach to strengthening CNTFs for advanced engineering applications.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Electromagnetic wave absorption materials · Fiber-reinforced polymer composites · Advanced Antenna and Metasurface Technologies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Beijing National Laboratory for Molecular Sciences, School of Materials Science and Engineering, College of Chemistry and Molecular Engineering, Academy for Advanced Interdisciplinary Studies, Beijing Science and Engineering Center for Nanocarbons, Peking University, Beijing 100871, China

Beijing Graphene Institute (BGI), Beijing 100095, China

Department of Engineering Mechanics, School of Civil Engineering, Wuhan University, Wuhan 430072, China

Key Laboratory of Mechanics in Fluid Solid Coupling Systems, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China

School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China

Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China

Funding

Beijing National Laboratory for Molecular Sciences · Ministry of Science and Technology of the People's Republic of China · China Postdoctoral Science Foundation · Science, Technology and Innovation Commission of Shenzhen Municipality · National Natural Science Foundation of China · Chinese Academy of Sciences

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