Gas-Supported Triboelectric Nanogenerator Based on In Situ Gap-Generation Method for Biomechanical Energy Harvesting and Wearable Motion Monitoring

Changjun Jia, Yongsheng Zhu, Fengxin Sun, Yuzhang Wen, Qi Wang, Ying Li, Yupeng Mao () and Chongle Zhao ()
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Changjun Jia: Physical Education Department, Northeastern University, Shenyang 110819, China
Yongsheng Zhu: Physical Education Department, Northeastern University, Shenyang 110819, China
Fengxin Sun: Physical Education Department, Northeastern University, Shenyang 110819, China
Yuzhang Wen: Physical Education Department, Northeastern University, Shenyang 110819, China
Qi Wang: College of Sciences, Northeastern University, Shenyang 110819, China
Ying Li: Art College, Liaoning Communication College, Shenyang 110136, China
Yupeng Mao: Physical Education Department, Northeastern University, Shenyang 110819, China
Chongle Zhao: Physical Education Department, Northeastern University, Shenyang 110819, China

Sustainability, 2022, vol. 14, issue 21, 1-13

Abstract: The rapid development of wearable electronic devices (such as in applications for health care monitoring, intelligent sports, and human–computer interaction) has led to a huge demand for sustainable energy. However, the existing equipment cannot meet the requirements of energy harvesting, wearable sensing, and environmental protection concurrently. Herein, by an environmentally friendly in situ gap-generation method and doping technology, we have manufactured an Ecoflex–PVDF composite material as a negative triboelectric layer and used gas as a support layer for the triboelectric nanogenerator (EPGS-TENG). The device has excellent electrical output performance and working stability (pressure sensitivity of 7.57 V/N, angle response capacity of 374%, output power of 121 μW, temperature adaptability from 20 °C to 40 °C, durability over 3 h, and stability of 10 days). EPGS-TENG can meet the requirements of biomechanical energy collection and wearable self-powered sensing simultaneously. EPGS-TENG shows great application potential for the new generation of wearable devices.

Keywords: triboelectric nanogenerator; sustainable energy harvesting; wearable motion sensing (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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