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Virus blocking textile for SARS-CoV-2 using human body triboelectric energy harvesting

Cited 7 time in Web of Science Cited 10 time in Scopus
Authors

Kang, Minki; Jang, Na-Yoon; Kim, Young-Jun; Ro, Hyo-Jin; Kim, Dabin; Kim, Yuri; Kim, Hyoung Taek; Kwon, Hye Mi; Ahn, Jin-Hyun; Choi, Byung-Ok; Cho, Nam-Hyuk; Kim, Sang-Woo

Issue Date
2022-04
Publisher
Elsevier
Citation
Cell Reports Physical Science, Vol.3 No.4, p. 100813
Abstract
Effective mitigation technology to prevent the spread of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is required before achieving population immunity through vaccines. Here we demonstrate a virus-blocking textile (VBT) that repulses SARS-CoV-2 by applying repulsive Coulomb force to respiratory particles, powered by human body triboelectric energy harvesting. We show that SARS-CoV-2 has negative charges, and a human body generates high output current of which peak-to-peak value reaches 259.6 mA at most, based on triboelectric effect. Thereby, the human body can sustainably power a VBT to have negative electrical potential, and the VBT highly blocks SARS-CoV-2 by repulsion. In an acrylic chamber study, we found that the VBT blocks SARS-CoV-2 by 99.95%, and SARS-CoV-2 in the VBT is 13-fold reduced. Our work provides technology that may prevent the spread of virus based on repulsive Coulomb force and triboelectric energy harvesting.
ISSN
2666-3864
URI
https://hdl.handle.net/10371/185349
DOI
https://doi.org/10.1016/j.xcrp.2022.100813
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