Multifunctional, self-cleaning air filters based on graphene-enhanced ceramic networks

Device Pub Date : 2023-10-01 DOI:10.1016/j.device.2023.100098

Armin Reimers, Ala Bouhanguel, Erik Greve, Morten Möller, Lena Marie Saure, Sören Kaps, Lasse Wegner, Ali Shaygan Nia, Xinliang Feng, Fabian Schütt, Yves Andres, Rainer Adelung

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引用次数: 2

Abstract

Particulate air pollution takes an enormous toll on society; it is linked to more than 3 million deaths annually. In addition, airborne microorganisms can spread dangerous diseases, compounding the issue. A widely used method for mitigating the risks of airborne particles is air filtration. While effective at particle removal, conventional air filters typically lack additional functionalities. They cannot inactivate accumulated contaminants, and they require periodic replacement to remain safe. This work presents a multifunctional, self-cleaning air-filtration system using a graphene-enhanced air filter medium (GeFM). The GeFM is capable of capturing >95% of microorganisms and particles >1 μm and can be repeatedly joule heated to >300°C, regenerating the filter. Furthermore, the GeFM provides unique options for monitoring the airflow and loading status of the filter. The GeFM can improve filter lifetime and safety, offering great potential for the development of advanced and likely more sustainable air-filtration solutions in the future.

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基于石墨烯增强陶瓷网络的多功能自清洁空气过滤器

细颗粒物空气污染给社会造成巨大损失;它与每年300多万人的死亡有关。此外，空气中的微生物可以传播危险的疾病，使问题更加复杂。空气过滤是一种广泛使用的减轻空气中颗粒物危害的方法。虽然在颗粒去除有效，传统的空气过滤器通常缺乏额外的功能。它们不能灭活累积的污染物，并且需要定期更换以保持安全。本研究提出了一种使用石墨烯增强空气过滤介质(GeFM)的多功能自清洁空气过滤系统。GeFM能够捕获>95%的微生物和>1 μm的颗粒，并且可以重复焦耳加热到>300°C，再生过滤器。此外，GeFM提供了独特的选项来监测气流和过滤器的加载状态。GeFM可以提高过滤器的使用寿命和安全性，为未来开发更先进、更可持续的空气过滤解决方案提供了巨大的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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