Wet‐Spinning Carbon Nanotube/Shape Memory Polymer Composite Fibers with High Actuation Stress and Predesigned Shape Change Article Swipe
Meng Li
,
Kun Chen
,
Ding Zhang
,
Ziming Ye
,
Zi-Fan Yang
,
Qi Wang
,
Zhifan Jiang
,
Yingjiu Zhang
,
Yuanyuan Shang
,
Anyuan Cao
·
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.1002/advs.202404913
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.1002/advs.202404913
Actuators based on shape memory polymers and composites incorporating nanomaterial additives have been extensively studied; achieving both high output stress and precise shape change by low‐cost, scalable methods is a long‐term‐desired yet challenging task. Here, conventional polymers (polyurea) and carbon nanotube (CNT) fillers are combined to fabricate reinforced composite fibers with exceptional actuation performance, by a wet‐spinning method amenable for continuous production. It is found that a thermal‐induced shrinkage step could obtain densified strong fibers, and the presence of CNTs effectively promotes the tensile orientation of polymer molecular chains, leading to much improved mechanical properties. Consequently, the CNT/ polyurea composite fibers exhibit stresses as high as 33 MPa within 0.36 s during thermal actuation, and stresses up to 22 MPa upon electrical stimulation enabled by the built‐in conductive CNT networks. Utilizing the flexible thin fibers, various shape change behavior are also demonstrated including the conversion between different structures/curvatures, and recovery of predefined simple patterns. This high‐performance composite fibers, capable of both thermal and electrical actuation and produced by low‐cost materials and fabrication process, may find many potential applications in wearable devices, robotics, and biomedical areas.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1002/advs.202404913
- OA Status
- gold
- Cited By
- 19
- References
- 61
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4401461258
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4401461258Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1002/advs.202404913Digital Object Identifier
- Title
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Wet‐Spinning Carbon Nanotube/Shape Memory Polymer Composite Fibers with High Actuation Stress and Predesigned Shape ChangeWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2024Year of publication
- Publication date
-
2024-08-09Full publication date if available
- Authors
-
Meng Li, Kun Chen, Ding Zhang, Ziming Ye, Zi-Fan Yang, Qi Wang, Zhifan Jiang, Yingjiu Zhang, Yuanyuan Shang, Anyuan CaoList of authors in order
- Landing page
-
https://doi.org/10.1002/advs.202404913Publisher landing page
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YesWhether a free full text is available
- OA status
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goldOpen access status per OpenAlex
- OA URL
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https://doi.org/10.1002/advs.202404913Direct OA link when available
- Concepts
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Materials science, Composite material, Carbon nanotube, Composite number, Polyurea, Spinning, Shape-memory alloy, Polymer, Fabrication, Smart material, Ultimate tensile strength, Fiber, Supercapacitor, Polyurethane, Electrode, Electrochemistry, Chemistry, Physical chemistry, Medicine, Pathology, Alternative medicineTop concepts (fields/topics) attached by OpenAlex
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19Total citation count in OpenAlex
- Citations by year (recent)
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2025: 14, 2024: 5Per-year citation counts (last 5 years)
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61Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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