Electrospun bimodal nanofibrous membranes for high-performance, multifunctional, and light-weight air filtration: A review

IF 8.1 1区工程技术 Q1 ENGINEERING, CHEMICAL

Separation and Purification Technology Pub Date : 2024-11-06 DOI:10.1016/j.seppur.2024.130417

Zungui Shao, Qibin Wang, Zeqian Gui, Ruimin Shen, Ruixin Chen, Yifang Liu, Gaofeng Zheng

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Abstract

Electrospun nanofibrous air-filtration membranes, which are cost-effective materials that help safeguard human health, have garnered widespread attention. To comprehensively enhance the protection capabilities, comfort (for masks), energy efficiency (for air purifiers), and achieve optimal overall benefits, there is a demand for the functionalization and lightweighting of high-performance air filtration membranes. Bimodal nanofiber membranes can deliver high-performance air filtration with a higher proportion of fine fibers, contributing to a lightweight design. Moreover, they are compatible with various functionalization strategies. Therefore, an in-depth analysis of electrospun bimodal nanofibrous membranes is key to promoting the development of high-performance air filters. However, this has yet to be achieved. Importantly, deep-level mechanisms of the electrospun jet behavior are involved in the fabrication of bimodal structures. Reflection on these phenomena may guide theoretical and experimental studies in related fields, such as fluid dynamics and materials science. This study details electrospun bimodal nanofibrous membrane properties, high-performance air filtration mechanisms, fabrication methods, and molding mechanisms. Subsequently, the functionalized applications are summarized. Finally, the challenges encountered in the development of bimodal air filtration membranes are discussed.

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用于高性能、多功能和轻质空气过滤的电纺双峰纳米纤维膜：综述

电纺纳米纤维空气过滤膜是一种有助于保障人类健康的高性价比材料，已受到广泛关注。为了全面提高防护能力、舒适度（用于口罩）和能效（用于空气净化器），并实现最佳的综合效益，人们对高性能空气过滤膜的功能化和轻量化提出了要求。双模纳米纤维膜可以提供高性能的空气过滤，同时细纤维的比例更高，有助于实现轻量化设计。此外，它们还能与各种功能化策略兼容。因此，深入分析电纺双模纳米纤维膜是促进高性能空气过滤器开发的关键。然而，这一目标尚未实现。重要的是，电纺喷射行为的深层机理涉及双模结构的制造。对这些现象的反思可以指导流体动力学和材料科学等相关领域的理论和实验研究。本研究详细介绍了电纺双模纳米纤维膜的特性、高性能空气过滤机制、制造方法和成型机制。随后，总结了功能化应用。最后，讨论了双模空气过滤膜开发过程中遇到的挑战。

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来源期刊

Separation and Purification Technology 工程技术-工程：化工

CiteScore

14.00

自引率

12.80%

发文量

2347

审稿时长

43 days

期刊介绍： Separation and Purification Technology is a premier journal committed to sharing innovative methods for separation and purification in chemical and environmental engineering, encompassing both homogeneous solutions and heterogeneous mixtures. Our scope includes the separation and/or purification of liquids, vapors, and gases, as well as carbon capture and separation techniques. However, it's important to note that methods solely intended for analytical purposes are not within the scope of the journal. Additionally, disciplines such as soil science, polymer science, and metallurgy fall outside the purview of Separation and Purification Technology. Join us in advancing the field of separation and purification methods for sustainable solutions in chemical and environmental engineering.