Improving thermal conductivities of textile materials by nanohybrid approaches

Kalaoglu-Altan, Ozlem Ipek; Kayaoğlu, Burçak Karagüzel; Trabzon, Levent

doi:10.1016/j.isci.2022.103825

Cited by 28 publications

(20 citation statements)

References 104 publications

(116 reference statements)

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“…Figure 8b depicts the mode of heat propagation in the prepared cellular hollow fiber. In theory, the thermal conductivity of cellular hollow fiber is determined by the sum of thermal radiation ( λ rad ), thermal convection ( λ conv ), solid ( λ s ) and air thermal conduction ( λ air ) 39,40 . Regarding the biomimetic fiber, a large amount of invisible infrared radiation is reflected due to its cellular structure (Figure 8a).…”

Section: Resultsmentioning

confidence: 99%

“…In theory, the thermal conductivity of cellular hollow fiber is determined by the sum of thermal radiation (λ rad ), thermal convection (λ conv ), solid (λ s ) and air thermal conduction (λ air ). 39,40 Regarding the biomimetic fiber, a large amount of invisible infrared radiation is reflected due to its cellular structure (Figure 8a). Since the thermal conductivity of air is much smaller than that of solids, the heat conduction of biomimetic fibers with high porosity is significantly reduced.…”

Section: Thermal Insulation Properties Of Biomimetic Textilementioning

confidence: 99%

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Large‐scalable polar bear hair‐like cellular hollow fibers with excellent thermal insulation and ductility

Wang

Chi

Liu

et al. 2022

J of Applied Polymer Sci

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Passive warm‐keeping textiles could reduce carbon emissions by turning down indoor heating in winter. Polar bear hair exhibits a unique structure composed of a hollow core and an aligned porous shell, which extremely helps to resist heat transport. Great interest has arisen in the development of thermo‐insulating textiles with this biomimetic structure. In this work, cellular hollow fibers were made by a large‐scalable wet spinning‐foaming process. This efficient method achieved rapid formation of polar bear hair‐like fiber as well as facile turning properties of the fibers. The structure and properties of biomimetic fibers depended on the content of foaming agent. As‐prepared porous thermoplastic polyurethane (TPU)/polyacrylonitrile (PAN) composited fiber showed excellent ductility. The maximum tensile strength and breaking elongation was 4.31 MPa and 121%, respectively. The corresponding woven textile exhibited excellent thermal insulation properties even under deformation by compression or tension. The temperature difference across the thickness of textile was 17.9 and 34.9°C under a background temperature of 0 and 80°C, respectively. It may pave the way to fabricate new structure–function integrated fiber materials for warm‐keeping textiles.

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Section: Resultsmentioning

confidence: 99%

Section: Thermal Insulation Properties Of Biomimetic Textilementioning

confidence: 99%

Large‐scalable polar bear hair‐like cellular hollow fibers with excellent thermal insulation and ductility

Wang

Chi

Liu

et al. 2022

J of Applied Polymer Sci

View full text Add to dashboard Cite

show abstract

“…One of the viable strategies is to embed highly thermally conductive nanofillers, such as BNNSs, CNTs, and graphene, into the fibers. [33] As shown in Figure 11a, Gao et [177] Copyright 2016, American Association for the Advancement of Science. b) Scalable production of the continuous NanoPE microfiber and woven fabric.…”

Section: Conductive Cooling Textiles With High Thermal Conductivitymentioning

confidence: 99%

“…One of the viable strategies is to embed highly thermally conductive nanofillers, such as BNNSs, CNTs, and graphene, into the fibers. [ 33 ] As shown in Figure a, Gao et al. prepared highly oriented and thermally‐conductive BNNSs/polyvinyl alcohol (PVA) composite fibers using 3D printing and hot‐drafting techniques.…”

Section: Nanoengineered Textiles For Outdoor Personal Coolingmentioning

confidence: 99%

“…Nanoengineering techniques can be applied to textiles for various high-quality functions, including thermal conductivity, optical scattering, special wettability, antibacterial property, and electrical conductivity. [33][34][35][36][37] Textile academia and industry use three main methods to prepare nanoengineered textiles with nanoporous, nanofibrous, and nanocomposite structures, namely 1) introducing nanoporous functional layers on the surface of traditional textiles using nanoporous coating and laminating, which are relatively simple processes that retain a high textile strength; 2) nanofiber spinning, which is a facile and scalable manufacturing technique widely used to prepare nanofibrous textiles with easily tailored fiber structures and functionality; and 3) nanocomposite coating and embedding, which are commonly used to prepare nanocomposite textiles by introducing nanomaterials on the fiber surface or into the fibers. In this case, the textile performance mainly depends on the introduced nanomaterials, such as functional nanoparticles, nanotubes, and nanosheets.…”

Section: Techniques Used For Nanoengineered Textilesmentioning

confidence: 99%

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Nanoengineered Textiles for Outdoor Personal Cooling and Drying

Miao

Wang

et al. 2022

Adv Funct Materials

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Owing to global temperature increases and frequent extreme weather events, outdoor personal comfort is becoming more critical to human health and sustainable development. Nanoengineered textiles for highly efficient outdoor personal cooling and drying have been rapidly developing in academia and industry over the past decades. Herein, the recent nanoengineered textile advancements, which allow effective and energy-free personal cooling and drying in various outdoor environments, are reviewed. The techniques used for nanoengineered textiles, including nanoporous coating/laminating, direct nanofiber spinning, and nanomaterial coating/embedding, are comprehensively discussed. The detailed heat dissipation and water transport mechanisms are analyzed to provide insights into the synergistic effect of the personal cooling and drying processes, which can create a comfortable microenvironment for the human body. This review highlights the existing gaps in the practical applications and the perspectives on future developments to motivate the development of next-generation nanoengineered textiles. This review of nanoengineered textiles for outdoor personal cooling and drying will further promote the improvement of outdoor space living quality and labor productivity, conducive to satisfying the increasing demands for health, safety, and sustainability.

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From Nanoalloy to Nano‐Laminated Interfaces for Highly Stable Alkali‐Metal Anodes

et al. 2023

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Metal anodes are considered the holy grail for next-generation batteries because of their high gravimetric/volumetric specific capacity and low electrochemical potential. However, several unsolved challenges have impeded their practical applications, such as dendrite growth, interfacial side reactions, dead layer formation, and volume change. An electrochemically, chemically, and mechanically stable artificial solid electrolyte interphase is key to addressing the aforementioned issue with metal anodes. This study demonstrates a new concept of organic and inorganic hybrid interfaces for both Li-and Na-metal anodes. Through tailoring the compositions of the hybrid interfaces, a nanoalloy structure to nano-laminated structure is realized. As a result, the nanoalloy interface (1Al 2 O 3 -1alucone or 2Al 2 O 3 -2alucone) presents the most stable electrochemical performances for both Li-and Na-metal anodes. The optimized thicknesses required for the nanoalloy interfaces for Li-and Na-metal anodes are different. A cohesive zone model is applied to interpret the underlying mechanism. Furthermore, the influence of the mechanical stabilities of the different interfaces on the electrochemical performances is investigated experimentally and theoretically. This approach provides a fundamental understanding and establishes the bridge between mechanical properties and electrochemical performance for alkali-metal anodes.

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Improving thermal conductivities of textile materials by nanohybrid approaches

Cited by 28 publications

References 104 publications

Large‐scalable polar bear hair‐like cellular hollow fibers with excellent thermal insulation and ductility

Large‐scalable polar bear hair‐like cellular hollow fibers with excellent thermal insulation and ductility

Nanoengineered Textiles for Outdoor Personal Cooling and Drying

From Nanoalloy to Nano‐Laminated Interfaces for Highly Stable Alkali‐Metal Anodes

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