Eco-Friendly Keratin-Based Additives in the Polymer Matrix to Enhance the Output of Triboelectric Nanogenerators
- Authors
- Joo, Seokwon; Kim, Jong Hyeok; Lee, Chae-Eun; Kang, Jeongmin; Seo, Soonmin; Kim, Ju-Hyung; Song, Yoon-Kyu
- Issue Date
- Dec-2022
- Publisher
- American Chemical Society
- Keywords
- additives; eco-friendly energy harvesters; hairs; keratin; polymer composites; triboelectric nanogenerators
- Citation
- ACS Applied Bio Materials, v.5, no.12, pp.5706 - 5715
- Journal Title
- ACS Applied Bio Materials
- Volume
- 5
- Number
- 12
- Start Page
- 5706
- End Page
- 5715
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/86344
- DOI
- 10.1021/acsabm.2c00736
- ISSN
- 2576-6422
- Abstract
- A triboelectric nanogenerator (TENG) is an energy generator that converts mechanical energy into electrical energy using triboelectricity at a nanoscale. Given their potential application as power sources in electronic devices, various attempts have been made to improve their output performance. Here, we present an eco-friendly, low-cost, and facile fabrication method to enhance TENG characteristics with keratin protein additives. Keratin sources, human and cat hair, are processed into powder and added to the friction layer, which increases their positive charge affinity, thereby boosting the output performance of the TENG. The output performances of the keratin-added TENG (K-TENG) are measured in the vertical contact-separation mode, with both additives having the highest output values at 5 wt % load. The K-TENG generates more output voltage and current values than the pristine TENG by 90 and 208%, respectively. Hence, we conclude that this method would potentially promote TENG as a strong candidate for a competitive greenenergy harvesting device in future electronics applications. © 2022 American Chemical Society.
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