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Copper–Carbon Nanotube Composites Enabled by Brush Coating for Advanced Conductors
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    Copper–Carbon Nanotube Composites Enabled by Brush Coating for Advanced Conductors
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    ACS Applied Nano Materials

    Cite this: ACS Appl. Nano Mater. 2024, 7, 10, 11176–11183
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    https://doi.org/10.1021/acsanm.4c00679
    Published May 6, 2024
    Copyright © 2024 American Chemical Society

    Abstract

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    There is a growing demand for advanced conductors with enhanced electrical properties to increase the energy efficiency in various applications. A promising strategy to achieve this involves the use of ultraconductive copper (UCC) composites that incorporate highly conductive carbon materials, such as carbon nanotubes (CNTs), into the copper matrix. In this study, we present a scalable brush coating technique to incorporate CNTs onto Cu substrates to produce Cu–CNT–Cu composites. The process involves brush coating the CNT solution on Cu tape substrates, followed by vacuum-assisted thermal removal of organic moieties (e.g., surfactant/polymer). This step ensures the creation of a uniformly distributed CNT network within the Cu matrix. By addition of a thin film Cu overlayer, the fabricated Cu–CNT–Cu composite architecture demonstrates similar electrical conductivity, increased current carrying capacity, and enhanced mechanical properties compared to pure Cu reference tapes. The performance characteristics of these UCC tapes along with the scalability of the brush coating approach hold great promise for the fabrication of advanced conductors for wide-ranging energy applications.

    Copyright © 2024 American Chemical Society

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    • Photographs of brush-coated Cu/CNT composites prepared with different dispersions (PDF)

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    This article is cited by 3 publications.

    1. Mina Yoon, German D. Samolyuk, Kai Li, James Haynes, Tolga Aytug. First-Principles Calculations of the Electrical Conductivity of Carbon Nanotubes Functionalized with Copper and Nitrogen: Implications for Electronics, Energy Storage, and Nanodevices. ACS Applied Nano Materials 2024, 7 (23) , 26777-26784. https://doi.org/10.1021/acsanm.4c04500
    2. Chendong Liao, Nicola Bianchi, Zhuoran Zhang. Recent Developments and Trends in High-Performance PMSM for Aeronautical Applications. Energies 2024, 17 (23) , 6199. https://doi.org/10.3390/en17236199
    3. Xiaona Ren, Yue Chang, Changchun Ge. State-of-the-Art Carbon-Nanotubes-Reinforced Copper-Based Composites: The Interface Design of CNTs and Cu Matrix. International Journal of Molecular Sciences 2024, 25 (23) , 12957. https://doi.org/10.3390/ijms252312957

    ACS Applied Nano Materials

    Cite this: ACS Appl. Nano Mater. 2024, 7, 10, 11176–11183
    Click to copy citationCitation copied!
    https://doi.org/10.1021/acsanm.4c00679
    Published May 6, 2024
    Copyright © 2024 American Chemical Society

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