Fabrication and performance of ultrathin and adhesive composite film with high out-of-plane thermal conductivity using 3D printing and microwire-cutting assistance

Lv, Ruicong; Ren, Liucheng; Kang, Lei; Niu, Hongyu; Bashir, Akbar; Bai, Shulin

doi:10.1016/j.compositesa.2023.107828

Composites Part A: Applied Science and Manufacturing

2024

DOI: 10.1016/j.compositesa.2023.107828

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Fabrication and performance of ultrathin and adhesive composite film with high out-of-plane thermal conductivity using 3D printing and microwire-cutting assistance

Ruicong Lv,

Liucheng Ren,

Lei Kang

et al.

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Cited by 4 publications

References 32 publications

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Highly Integrated Phase Change and Radiative Cooling Fiber Membrane for Adaptive Personal Thermal Regulation

Zhu,

Bashir,

et al. 2024

Adv Funct Materials

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Environmental heat influx often limits the effectiveness of radiative cooling materials, particularly in wearable applications where thermal comfort is paramount. This study introduces an innovative solution for personal thermal management through radiative cooling phase change (RC‐PC) fiber membranes. Fabricated by coaxial electrospinning, these membranes combine a poly(3‐hydroxybutyrate‐co‐3‐hydroxyvalerate) (PHBV) and tetraethyl orthosilicate (TEOS) composite shell, encapsulating n‐octadecane as the core phase change material. The membranes demonstrate exceptional optical performance, with a solar reflectivity of 95.0% and an emissivity of 88.6% within the atmospheric window, effectively minimizing ambient heat absorption. The n‐octadecane‐infused fibers (0.3 mL h−1 C18@TEOS/PHBV) exhibit a phase change enthalpy of 88.3 J g−1, reducing heating rates and improving cooling by ≈1 °C at dawn. Under typical solar radiation (939.5 W m−2), the membranes provide an average cooling power of 89.0 W m−2, peaking at 95.3 W m−2. Notably, they achieve a cooling reduction of 5.1 °C under 550.2 W m−2, maintaining temperatures significantly lower than conventional fabrics, with a differential of 4.4 °C compared to medical protective clothing. These findings underscore the potential of RC‐PC fiber membranes for sustainable, efficient personal thermal management.

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Highly Integrated Phase Change and Radiative Cooling Fiber Membrane for Adaptive Personal Thermal Regulation

Zhu,

Bashir,

et al. 2024

Adv Funct Materials

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A Novel Thermal Interface Material Composed of Vertically Aligned Boron Nitride and Graphite Films for Ultrahigh Through‐Plane Thermal Conductivity

Bashir,

Niu,

Maqbool

et al. 2024

Small Methods

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The relentless drive toward miniaturization in microelectronic devices has sparked an urgent need for materials that offer both high thermal conductivity (TC) and excellent electrical insulation. Thermal interface materials (TIMs) possessing these dual attributes are highly sought after for modern electronics, but achieving such a combination has proven to be a formidable challenge. In this study, a cutting‐edge solution is presented by developing boron nitride (BN) and graphite films layered silicone rubber composites with exceptional TC and electrical insulation properties. Through a carefully devised stacking‐cutting method, the high orientation degree of both BN and graphite films is successfully preserved, resulting in an unprecedented through‐plane TC of 23.7 Wm−1 K−1 and a remarkably low compressive modulus of 4.85 MPa. Furthermore, the exceptional properties of composites, including low thermal resistance and high resilience rate, make them a reliable and durable option for various applications. Practical tests demonstrate their outstanding heat dissipation performance, significantly reducing CPU temperatures in a computer cooling system. This research work unveils the possible upper limit of TC in BN‐based TIMs and paves the way for their large‐scale practical implementation, particularly in the thermal management of next‐generation electronic devices.

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Preparation technologies for polymer composites with high-directional thermal conductivity: A review

Duan,

Yu,

Zhang

et al. 2024

Nano Res.

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Fabrication and performance of ultrathin and adhesive composite film with high out-of-plane thermal conductivity using 3D printing and microwire-cutting assistance

Cited by 4 publications

References 32 publications

Highly Integrated Phase Change and Radiative Cooling Fiber Membrane for Adaptive Personal Thermal Regulation

Highly Integrated Phase Change and Radiative Cooling Fiber Membrane for Adaptive Personal Thermal Regulation

A Novel Thermal Interface Material Composed of Vertically Aligned Boron Nitride and Graphite Films for Ultrahigh Through‐Plane Thermal Conductivity

Preparation technologies for polymer composites with high-directional thermal conductivity: A review

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