DataVXACS NanoPaper
journal article·2024-12-10

Weavable, Reconfigurable Triboelectric Ferrofluid Fiber for Early Warning

Naiyan Wu, Pengxiang Mao, Ningbo Chang, Yanrun Zhou, Weifeng Yang, Fan Fu, Xixi Liu, Tianyi Ji, Junyi Zhao, Yuxuan Huang, Yaogang Li, Michael D. Dickey, Wei Gong

ACS Nano· Volume 18· Issue 49
Publisher page
Source abstract

Abstract

As communication technologies have become omnipresent, the prevalence of electromagnetic field (EMF) exposures poses possible health risks, particularly to vulnerable groups such as pregnant women. In response, we introduce a triboelectric ferrofluid fiber (TFF) that moves in response to EMF, thereby generating charge in a way that is self-powered. The TFF is flexible, stretchable (470%), and can be woven into fabrics. The TFF utilizes a soft-contact (ferrofluid-silicon rubber fiber) triboelectric core layer to enhance its sensitivity to EMF, enabling it to detect even minor electromagnetic fluctuations, such as those from cell phone typing. By integrating hydrogel electrodes that offer conductivity and minimal electromagnetic interference shielding, the TFF's sensitivity to magnetic fields is further amplified. Moreover, its open-circuit voltage output is increased by 50% compared to the conventional electrodes. Building on this technology, we designed a smart fabric for environmental early warning and potential real-time pulse monitoring, specifically tailored for the safety and healthcare needs of vulnerable groups. Finally, we developed a sensing and communication apparel (SCA) by integrating TFF into the apparel and exploring its capabilities in a wireless transmission of warning signals and long-distance NFC functionality.
Source: openalex_inverted_index · Quality: baseline

Research context

Polymers

OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Tactile and Sensory Interactions · Muscle activation and electromyography studies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Anhui Provincial Engineering Center for High Performance Biobased Nylons, Anhui Provincial Engineering Center for Automotive Highly Functional Fiber Products, School of Materials and Chemistry, Anhui Agricultural University, Hefei 230036, China

State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China

Department of Electrical and Systems Engineering, Washington University in St. Louis, 1 Brookings Drive, St. Louis, Missouri 63130-4899, United States

Department of Biomedical Engineering, Washington University in St. Louis, 1 Brookings Drive, St. Louis, Missouri 63130-4899, United States

Department of Chemical and Biomolecular Engineering, North Carolina State University, Campus Box 7905, Raleigh, North Carolina 27695-7905, United States

Key Laboratory of Agricultural Sensors, Ministry of Agriculture and Rural Affairs, Hefei 230036, China

Funding

China National Textile and Apparel Council · University Natural Science Research Project of Anhui Province · National Natural Science Foundation of China · Natural Science Foundation of Anhui Province · Textile Vision Basic Research Program

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