Preparation of Phosphorus/Hollow Silica Microsphere Modified Polyacrylonitrile-Based Carbon Fiber Composites and Their Thermal Insulation and Flame Retardant Properties DOI Open Access

Xiaohui Zhang,

Guangsheng Huang,

Guobin Wang

et al.

Processes, Journal Year: 2024, Volume and Issue: 12(11), P. 2489 - 2489

Published: Nov. 8, 2024

Since thermal insulation materials with a single function cannot satisfy the increasing requirements for complex usage, combination of flame retardancy is desirable in multiple applications. Herein, phosphorous-containing retardant modifier (5.0 wt.%, 9.0 and 13.0 wt.%) hollow silica microsphere (130 nm diameter) were composited polyacrylonitrile-based carbon nanofibers via electrospinning technique. Electrospun phosphorous/silica/carbon (P/HSM/CF) exhibited uniform clear fibrous structure (508, 170, 1550 average fiber modified complete spherical silica. Reduced conductivity (39.9–41.2 mW/m/K) enhanced limiting oxygen index (29.5–33.5%) achieved, enabling fire protection grade membrane from UL-94 V-1 to V-0 efficiently. Moreover, favorable tensile strength (8.64–9.27 MPa) elongation at break (43.28–48.54%) obtained, presenting expected applications structural components. The findings this work provided valuable reference fabrication nanofiber-based excellent mechanical properties.

Language: Английский

Facile Aqueous Route to Large-Scale Superhydrophilic TiO2-Incorporated Graphitic Carbon Nitride-Coated Ni(OH)2 and Ni2P Nano-Architecture Arrays as Efficient Electrocatalysts for Enhanced Hydrogen Production DOI
Zahed Shami,

Seyed Arad Derakhshan,

Rezgar Ahmadi

et al.

Langmuir, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 9, 2025

Water splitting by an electrochemical method to generate hydrogen gas is economic and green approach resolve the looming energy environmental crisis. Designing a composite electrocatalyst having integrated multichannel charge separation, robust stability, low-cost facile scalability could be considered address issue of evolution. Herein, we report superhydrophilic, noble-metal-free bimetallic nanostructure TiO2/Ni2P coated on graphitic polyacrylonitrile carbon fibers (g-C/TiO2/Ni2P) using hydrothermal followed phosphorylation. In aqueous-based route, PAN dissolved in water presence ZnCl2, wet-spinning prepare scalable PAN/ZnCl2 fibers. The nitrogen-contained porous are prepared via pyrolysis fibers; now ZnCl2 acts as volatile porogen form matrix structures. Finally, as-prepared electrochemically activated incorporating active sites. materials formed this work show excellent electrocatalytic activity for evolution reaction. as-synthesized g-C/TiO2/Ni2P catalyst shows low overpotential, its improved, efficiency better than that commercial Pt/C catalyst. At current density −10 mA/cm2, overpotential 55 mV, while 77 mV. Our provides aqueous route with no need noble metals can potential alternative

Language: Английский

Citations

0
Interface Microenvironment Regulation of Pitch/Pan-Derived Hydrophilic Porous Nanofiber by Water/Solvent Pore Formation Process for Electrochemical Energy Storage DOI
Kun Qiao, Guodong Zhang,

Yuanming Mou

et al.

Published: Jan. 1, 2025

Language: Английский

Citations

0
Interface microenvironment regulation of pitch/PAN-derived hydrophilic porous nanofiber by water/solvent pore formation process for electrochemical energy storage DOI
Kun Qiao, Guodong Zhang,

Yuanming Mou

et al.

Colloids and Surfaces A Physicochemical and Engineering Aspects, Journal Year: 2025, Volume and Issue: unknown, P. 137191 - 137191

Published: May 1, 2025

Language: Английский

Citations

0
Constructing the correlation between optical microstructures and macroscopic properties of medium temperature coal pitch-derived cokes DOI

Jiaxing Yue,

Jiao Huang, Yaming Zhu

et al.

Journal of Analytical and Applied Pyrolysis, Journal Year: 2025, Volume and Issue: unknown, P. 107001 - 107001

Published: Feb. 1, 2025

Language: Английский

Citations

0
Large-scale floating polyacrylonitrile hybrid micro-/nanofiber membrane achieves efficient H/D isotope separation via photocatalytic proton transport DOI

Xuefan Feng,

Qisheng Zang,

Xinyan Feng

et al.

Journal of Membrane Science, Journal Year: 2024, Volume and Issue: 713, P. 123336 - 123336

Published: Sept. 19, 2024

Language: Английский

Citations

0
Preparation of Phosphorus/Hollow Silica Microsphere Modified Polyacrylonitrile-Based Carbon Fiber Composites and Their Thermal Insulation and Flame Retardant Properties DOI Open Access

Xiaohui Zhang,

Guangsheng Huang,

Guobin Wang

et al.

Processes, Journal Year: 2024, Volume and Issue: 12(11), P. 2489 - 2489

Published: Nov. 8, 2024

Since thermal insulation materials with a single function cannot satisfy the increasing requirements for complex usage, combination of flame retardancy is desirable in multiple applications. Herein, phosphorous-containing retardant modifier (5.0 wt.%, 9.0 and 13.0 wt.%) hollow silica microsphere (130 nm diameter) were composited polyacrylonitrile-based carbon nanofibers via electrospinning technique. Electrospun phosphorous/silica/carbon (P/HSM/CF) exhibited uniform clear fibrous structure (508, 170, 1550 average fiber modified complete spherical silica. Reduced conductivity (39.9–41.2 mW/m/K) enhanced limiting oxygen index (29.5–33.5%) achieved, enabling fire protection grade membrane from UL-94 V-1 to V-0 efficiently. Moreover, favorable tensile strength (8.64–9.27 MPa) elongation at break (43.28–48.54%) obtained, presenting expected applications structural components. The findings this work provided valuable reference fabrication nanofiber-based excellent mechanical properties.

Language: Английский

Citations

0