Solubility analysis of nano particles, cellulose crystalline region and cellulose molecule, and the impact study of crystalline region on properties of cellulose insulating paper

Wei, Shengkun; Wu, Xuelian; Li, Xu

doi:10.1080/08927022.2021.1990278

Cited by 10 publications

(1 citation statement)

References 31 publications

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“…Traditional inefficient "tentative" trial and error experiments are difficult to quickly and efficiently prepare composites fibers insulating paper with high thermal stability and strong electrical properties because the direct scientific theory or simulation guidance is insufficient. Following the development of computational simulation technology and polymer theory, MD has been widely applied to develop new materials, which offer superiorities such as low cost, high efficiency, and low environmental interference (Mo et al 2022b;Wei et al 2021). Researchers have conducted extensive research on the mechanical properties, thermal decomposition, and dielectric properties of polymers through MD simulations (Du et al 2021b;Lei et al 2022).…”

Section: Introductionmentioning

confidence: 99%

Enhancement of thermal stability and insulation properties of cellulose composites insulating paper by the first introduction of polyimide fiber

Wei

Zhang

Chen

et al. 2023

Preprint

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Traditional inefficient "tentative" trial and error experiments are difficult to rapidly and efficiently prepare synthetic fiber/cellulose composites with high thermal stability and strong insulation properties because the direct scientific theory or simulation guidance is insufficient. In this paper, PI fiber is the first time introduced to cellulose insulating paper. The mechanical, thermal stability, and dielectric properties of PI/cellulose composite insulating paper are predicted by molecular dynamics (MD) simulation. The composite insulating papers with the corresponding content of PI fiber were prepared and their thermal stability, mechanical properties, and electrical properties were investigated. Relative to the pure cellulose insulating paper, the 6% PI/cellulose insulating paper is the most representative, its tensile strength increased by 26.24%, the glass transition temperature increased from 113.4 to 124.7 K, permittivity decreased from 4.22 to 3.25, the dielectric loss decreased by 58.33% at 50 Hz, and the breakdown strength increased by 30.35%. This work confirms the effectiveness of MD simulation to rapidly guide the preparation of the new composite insulating paper, which can provide a reference for the future expansion and development of synthetic fiber in the preparation of cellulose insulating paper, and proves that PI fiber can enhance the thermal stability and insulation properties of cellulose insulating paper.

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Section: Introductionmentioning

confidence: 99%

Enhancement of thermal stability and insulation properties of cellulose composites insulating paper by the first introduction of polyimide fiber

Wei

Zhang

Chen

et al. 2023

Preprint

View full text Add to dashboard Cite

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Multiscale Confinement‐Modulated Cellulosic Dielectric Materials for Energy Harvesting and Self‐Powered Devices

Huang,

Nong,

Zhang

et al. 2024

Adv Funct Materials

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The rapid rise of triboelectric nanogenerators, an innovative technology for low‐frequency energy harvesting and self‐powered sensing, has increased the interest in high‐performance triboelectric materials. Enhancing the surface charge density via dielectric modulation is essential for high‐performance triboelectric nanogenerators. As the most abundant biopolymer on earth, cellulose has remarkable properties such as excellent mechanical strength, thermal stability, and tunable surface chemistry, indicating its significant application potential in the design and fabrication of triboelectric nanogenerators. Owing to its unique multiscale structure and excellent processability, cellulose holds substantial promise for dielectric modulation. This review aims to provide comprehensive insights into the rational design and tailored preparation of cellulosic materials with optimal dielectric constants. First, the multiscale structure and exceptional advantages of cellulosic materials are interpreted. A comprehensive investigation into multiscale confinement‐modulated cellulosic dielectric materials encompassing cellulosic molecules, dipoles, and fibers along with their dipoles is undertaken and the significance of interfacial polarization is explored. Furthermore, the emerging applications of cellulosic materials with superior dielectric properties in triboelectric nanogenerators, including energy harvesting, self‐powered sensing, and self‐powered medical and smart monitoring systems, are described. Finally, the challenges and future opportunities for cellulosic dielectric modulation are summarized.

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pH-responsive wood-based phase change material for thermal energy storage building material application

Chen

Lin

et al. 2022

J Mater Sci

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Solubility analysis of nano particles, cellulose crystalline region and cellulose molecule, and the impact study of crystalline region on properties of cellulose insulating paper

Cited by 10 publications

References 31 publications

Enhancement of thermal stability and insulation properties of cellulose composites insulating paper by the first introduction of polyimide fiber

Enhancement of thermal stability and insulation properties of cellulose composites insulating paper by the first introduction of polyimide fiber

Multiscale Confinement‐Modulated Cellulosic Dielectric Materials for Energy Harvesting and Self‐Powered Devices

pH-responsive wood-based phase change material for thermal energy storage building material application

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