Electrospinning Academic News

Electrospinning Equipment: Designing of Electrospun Unidirectional Water Transport Nanofiber Membranes 2025-03-14

This paper delves into electrospun unidirectional water transport nanofiber membranes. It analyzes three main mechanisms: wettability gradient, differential capillary, and biomimetic transpiration effects. Three structural designs (Janus, sandwich, and biomimetic) are explored. In applications, they show high efficiency in fog - water collection, with a water collection rate up to 6.76±0.75 g/cm²/h. In oil - water separation, Janus membranes achieve >99% separation efficiency. For wound dressing, they accelerate healing by 30%. In air filtration, they reach 99.99% PM2.5 filtration efficiency, and in intelligent clothing, they reduce body surface temperature by 3 - 5°C. However, large - scale industrial application faces challenges, and future research should develop cost - effective, eco - friendly, multifunctional composites.

Electrospinning Equipment: Insulating Block - Assisted Electrospinning for Biaxial Nanofibers 2025-03-14

These aligned nanofibers demonstrate exceptional performance in diverse applications. In air filtration, the ATRN material achieves a 97% higher efficiency and 50% lower pressure drop than traditional filters. For lithium - ion batteries, biaxially aligned carbon nanofibers (CA - CNF) show superior cycle stability and high - rate capabilities. In aqueous batteries, composite electrolytes with aligned PAA nanofibers boost ionic conductivity by nearly 6 times. In fuel cells, PTFE nanofiber - reinforced membranes enhance mechanical stability and proton conduction under high humidity. Despite scalability challenges, this technique offers a scalable, cost - effective route to advanced nanofiber materials, driving innovation in energy and environmental technologies.

Electrospinning Equipment: Electrospun Carbon Nanofiber Mats for Air Pollutant Detection 2025-03-13

This study reviews the latest progress of electrospun carbon nanofiber mats (ECNMs) in sensor technology for air pollutant detection. The preparation of ECNMs involves multiple steps, including material selection, dissolution, electrospinning using an electrospinning machine, stabilization, and carbonization. To enhance sensor performance, surface modification via covalent and non - covalent functionalization, like CVD and molecular imprinting, is employed. ECNMs are applied in detecting gas pollutants such as VOCs, NOx, SO₂, CO, particulate matter, and heavy metals. They show high sensitivity and selectivity due to surface modification and functionalization. The research also innovatively applies carbon nanofiber - based sensors to wearable devices. Overall, ECNMs hold great promise for environmental monitoring, industrial safety, and health protection, though challenges remain.

Electrospinning Equipment: Electrospun Ferroelectric & Nonlinear Optical Nanofibers 2025-03-13

This review highlights advancements in embedding functional molecules, nanocrystals, and grains into nanofibers to develop hybrid materials with enhanced ferroelectricity and nonlinear optics. Electrospinning emerges as a versatile tool for precise fiber design, enabling high surface-area nanomaterial integration. Composite/multiferroic nanofibers exhibit superior performance in flexible electronics, ultrasensitive sensors, and energy harvesters. Key innovations include tailored piezoelectric responses and efficient photonics manipulation. Future efforts should prioritize scalability, environmental sustainability, and multi-performance optimization to unlock broader industrial applications.

Electrospinning Equipment: Polymer Nanofiber Frameworks in Composite Electrolyte Membrane 2025-03-13

Polymer-based solid electrolyte membranes are crucial for high-energy applications, but traditional polymer-matrix membranes suffer from low ion conductivity and durability issues. Recently, composite membranes combining polymer nanofibers and a polymer matrix have shown promise. Polymer nanofibers are produced using electrospinning machines or devices. For proton-conducting applications, these composite membranes exhibit enhanced proton conductivity, reduced gas permeability, and improved durability. For instance, blend nanofiber composite membranes maintain high proton conductivity across both low and high temperatures. In Li-ion-conducting applications, membranes with Li⁺-conductive nanofiber frameworks boost Li⁺ conductivity and transference number while suppressing Li dendrite formation. Despite some challenges, these composite membranes offer significant potential to transform energy applications like fuel cells and all-solid-state lithium batteries.

Electrospinning Equipment: Fast Detection of NO2 by Electrospinning In2 O3@ZnO Nanofibers for Smart Mask 2025-03-12

An efficient portable gas sensor for detecting nitrogen dioxide (NO2) was developed. Coaxial electrospinning technology was used to synthesize porous In2O3@ZnO nanofibers. The optimal sample (NFs.1 - 6) has a nanoparticle - based structure with interconnected pores, enhancing gas adsorption. At 200°C, it shows a high response value of 171.25 and a fast response time of 5 s to 100 ppm NO2, which is 38 times and 98 times that of pure ZnO and pure In2O3 respectively. This excellent performance is attributed to its uniform structure and n - n homojunction. Based on this, a smart mask was designed to monitor NO2 concentrations in the air. The sensor in the smart mask has good stability, repeatability and selectivity, providing a new approach for wearable gas - sensing technology and air quality monitoring to protect public health.

Electrospinning Equipment: One-Step Synthesis of Lignin-Derived CNFs without Stabilization 2025-03-12

This research examines the one-step synthesis of lignin-PVA derived carbon nanofibers (CNFs) without thermal stabilization, comparing them with stabilized CNFs. Electrospun mats were subjected to carbonization with (St-CNF) and without thermal stabilization (NSt-CNF). Morphological analysis revealed that fiber structure remained intact without fusion even without stabilization. However, stabilization significantly enhanced carbon yield, specific surface area (381.5 m²/g vs. 162.9 m²/g), and pore volume (0.40 cc/g vs. 0.15 cc/g), leading to superior electrochemical properties such as specific capacitance (191.5 F/g), energy density (26.6 Wh/kg), and power density (520.5 W/kg). The study highlights the potential of eliminating the stabilization step to reduce costs while maintaining performance, offering valuable insights for the scalable production of lignin-based CNFs in energy storage applications.

Electrospinning Equipment: Cellulose Nanofibers for Enhanced Wound Healing Applications 2025-03-11

This review examines cellulose nanofibers for wound healing. These fibers are biocompatible, biodegradable, and mechanically strong, making them ideal for advanced wound dressings. Their nanoscale structure allows controlled release of bioactive compounds like antibiotics and growth factors, enhancing healing. They also mimic the extracellular matrix, supporting cell adhesion and proliferation. Preparation methods such as electrospinning and self-assembly enable customization for specific needs. The review also discusses their potential in tissue engineering and skin substitutes. However, challenges remain in scaling up production and ensuring consistent quality. Future work should focus on optimizing fabrication, improving drug loading, and exploring clinical applications.

Electrospinning Equipment: Electrospun Nanofibers: Advancing Real-Time Motion Monitoring 2025-03-11

This review explores the potential of electrospun nanofibers in real-time motion monitoring. These nanofibers, known for their unique physical and mechanical properties, show great promise in wearable sensors, motion detection, and health monitoring devices. They can sensitively track gait patterns, running posture, and electrocardiogram signals, offering valuable insights for sports training and rehabilitation. Their flexibility and comfort also make them ideal for personal health management. However, challenges such as large-scale production, reproducibility, and environmental adaptability remain. Future advancements will focus on new materials, advanced manufacturing techniques, and exploring new applications. With ongoing technological progress and increasing market demand, electrospun nanofibers are poised to significantly impact the development of next-generation motion monitoring devices, driving them towards greater intelligence, convenience, and efficiency.

Electrospinning Equipment: Ultra-Flexible TiO₂/SiO₂ Nanofiber Membranes for Thermal Insulation 2025-03-11

This research investigates ultra-flexible TiO₂/SiO₂ nanofiber membranes with a layered structure designed for thermal insulation. By introducing SiO₂ into the crystal lattice and grain boundaries of TiO₂, the phase transition and grain growth of TiO₂ are effectively inhibited, resulting in lightweight (44 mg/cm³), high-strength (4.55 MPa), and low thermal conductivity (31.5 mW·m⁻¹·K⁻¹) membranes. These membranes exhibit excellent mechanical properties and thermal insulation performance, with the ability to withstand 100 buckling-recovery cycles at up to 80% strain. A 10 mm thick sample can reduce the hot surface temperature from 1200°C to about 220°C, showcasing superior thermal insulation. The maximum service temperature reaches 1100°C, making these membranes highly suitable for high-temperature applications, energy-saving solutions, and flexible wearable devices.

Electrospinning Equipment: Application of Nanomaterials Targeting Immune Cells in Chronic Inflammation Treatment 2025-03-10

This paper focuses on the application of nanomaterials, often fabricated or modified with an electrospinning machine, in treating chronic inflammation by targeting immune cells. It details immune cell functions in inflammation, classifies nanomaterials, and presents research progress in targeting neutrophils and macrophages. Multiple application cases in chronic inflammatory diseases are listed. Nanomaterials show potential but need improvement in biosafety and targeting for clinical use.

Electrospinning Equipment: Electrospun Nanofibers as ROS-Scavenging Scaffolds for Wound Healing 2025-03-10

This review delves into electrospun nanofibers' role as ROS-scavenging scaffolds in wound healing. ROS have a dual nature in cells; while essential for some functions, excess can hinder wound healing. Electrospun nanofibers, produced by electrospinning machine, with high surface - area - to - volume ratios and porosity, are promising in this regard. The paper details their preparation methods like direct, coaxial electrospinning, etc. It also explores their ROS - scavenging mechanisms, such as through antioxidant integration. Application cases, including PVA/CS nanofiber dressings for diabetic wounds, are presented. Challenges regarding stability, biocompatibility, and safety are discussed, along with future directions like developing new materials and conducting clinical trials. Overall, electrospun nanofibers show great potential in wound healing, but further research is needed for optimal clinical use.

Academic News