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Structure and Properties of Carbon Nanotube Composites

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Carbon Materials".

Deadline for manuscript submissions: 20 June 2024 | Viewed by 651

Special Issue Editor


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Guest Editor
Department of Physics, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil
Interests: carbon nanotube; 2D materials; Raman spectroscopy; structural phase transition

Special Issue Information

Dear Colleagues,

This Special Issue aims to introduce recent studies in the field of the properties of carbon nanotube composites (CNCs). This collection will gather articles on the preparation processes, the physical and chemical properties, and the potential applications of CNCs, providing valuable references and insights for researchers in related fields. This Special Issue will cover the following topics:

  • Preparation processes and formation techniques of CNCs;
  • Electrical, mechanical, and thermal properties of CNCs;
  • Applications of CNCs in different fields, such as aerospace, automobiles, fuel cells, etc.

The aim of this Special Issue is to provide an opportunity for researchers to present the latest developments and future trends in CNCs and to facilitate communication and collaboration between different research areas. We hope that this Special Issue will provide readers with a high-quality academic platform, allowing them to collaborate with scholars in the field to advance research on CNCs.

Prof. Dr. Ariete Righi
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • carbon nanotube composites
  • electrical properties
  • thermal properties
  • mechanical properties
  • applications in different fields

Published Papers (1 paper)

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Research

10 pages, 2769 KiB  
Article
Single-Walled Carbon Nanotube-Reinforced PEDOT: PSS Hybrid Electrodes for High-Performance Ionic Electroactive Polymer Actuator
by Haoxiang Tao, Guangyao Hu, Shun Lu, Bing Li, Yongxing Zhang and Jie Ru
Materials 2024, 17(10), 2469; https://doi.org/10.3390/ma17102469 - 20 May 2024
Viewed by 479
Abstract
Ionic electroactive polymer (iEAP) actuators are recognized as exceptional candidates for artificial muscle development, with significant potential applications in bionic robotics, space exploration, and biomedical fields. Here, we developed a new iEAP actuator utilizing high-purity single-walled carbon nanotubes (SWCNTs)-reinforced poly(3, 4-ethylenedioxythiophene)/poly(4-styrenesulfonate) (PEDOT: PSS, [...] Read more.
Ionic electroactive polymer (iEAP) actuators are recognized as exceptional candidates for artificial muscle development, with significant potential applications in bionic robotics, space exploration, and biomedical fields. Here, we developed a new iEAP actuator utilizing high-purity single-walled carbon nanotubes (SWCNTs)-reinforced poly(3, 4-ethylenedioxythiophene)/poly(4-styrenesulfonate) (PEDOT: PSS, PP) hybrid electrodes and a Nafion/EMIBF4 ion-exchange membrane via a straightforward and efficient spray printing technique. The SWCNT/PP actuator exhibits significantly enhanced electric conductivity (262.9 S/cm) and specific capacitance (22.5 mF/cm2), benefitting from the synergistic effect between SWCNTs and PP. These improvements far surpass those observed in activated carbon aerogel bucky-gel-electrode-based actuators. Furthermore, we evaluated the electroactive behaviors of the SWCNT/PP actuator under alternating square-wave voltages (1–3 V) and frequencies (0.01–100 Hz). The results reveal a substantial bending displacement of 6.44 mm and a high bending strain of 0.61% (at 3 V, 0.1 Hz), along with a long operating stability of up to 10,000 cycles (at 2 V, 1 Hz). This study introduces a straightforward and efficient spray printing technique for the successful preparation of iEAP actuators with superior electrochemical and electromechanical properties as intended, which hold promise as artificial muscles in the field of bionic robotics. Full article
(This article belongs to the Special Issue Structure and Properties of Carbon Nanotube Composites)
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