Large-Scale and Washable Smart Textiles Based on Triboelectric Nanogenerator Arrays for Self-Powered Sleeping Monitoring

2017 ◽  
Vol 28 (1) ◽  
pp. 1704112 ◽  
Author(s):  
Zhiming Lin ◽  
Jun Yang ◽  
Xiaoshi Li ◽  
Yufen Wu ◽  
Wei Wei ◽  
...  
Keyword(s):  
Large Scale ◽  
Triboelectric Nanogenerator ◽  
Smart Textiles ◽  
Self Powered

scholarly journals Rationally patterned electrode of direct-current triboelectric nanogenerators for ultrahigh effective surface charge density

2020 ◽  
Vol 11 (1) ◽  
Author(s):  
Zhihao Zhao ◽  
Yejing Dai ◽  
Di Liu ◽  
Linglin Zhou ◽  
Shaoxin Li ◽  
...  
Keyword(s):  
Energy Harvesting ◽  
Charge Density ◽  
Surface Charge ◽  
Direct Current ◽  
Surface Charge Density ◽  
Large Scale ◽  
Triboelectric Nanogenerator ◽  
Electrode Structure ◽  
Effective Surface ◽  
Self Powered

AbstractAs a new-era of energy harvesting technology, the enhancement of triboelectric charge density of triboelectric nanogenerator (TENG) is always crucial for its large-scale application on Internet of Things (IoTs) and artificial intelligence (AI). Here, a microstructure-designed direct-current TENG (MDC-TENG) with rationally patterned electrode structure is presented to enhance its effective surface charge density by increasing the efficiency of contact electrification. Thus, the MDC-TENG achieves a record high charge density of ~5.4 mC m−2, which is over 2-fold the state-of-art of AC-TENGs and over 10-fold compared to previous DC-TENGs. The MDC-TENG realizes both the miniaturized device and high output performance. Meanwhile, its effective charge density can be further improved as the device size increases. Our work not only provides a miniaturization strategy of TENG for the application in IoTs and AI as energy supply or self-powered sensor, but also presents a paradigm shift for large-scale energy harvesting by TENGs.

scholarly journals Mesoporous Highly-Deformable Composite Polymer for a Gapless Triboelectric Nanogenerator via a One-Step Metal Oxidation Process

Micromachines ◽  
2018 ◽  
Vol 9 (12) ◽  
pp. 656 ◽  
Author(s):  
Hee Hwang ◽  
Younghoon Lee ◽  
Choongyeop Lee ◽  
Youngsuk Nam ◽  
Jinhyoung Park ◽  
...  
Keyword(s):  
Large Scale ◽  
Cost Effective ◽  
Triboelectric Nanogenerator ◽  
Pressure Sensitivity ◽  
Composite Polymer ◽  
Pdms Film ◽  
One Step ◽  
Self Powered ◽  
Triboelectric Nanogenerators ◽  
Flake Structure

The oxidation of metal microparticles (MPs) in a polymer film yields a mesoporous highly-deformable composite polymer for enhancing performance and creating a gapless structure of triboelectric nanogenerators (TENGs). This is a one-step scalable synthesis for developing large-scale, cost-effective, and light-weight mesoporous polymer composites. We demonstrate mesoporous aluminum oxide (Al2O3) polydimethylsiloxane (PDMS) composites with a nano-flake structure on the surface of Al2O3 MPs in pores. The porosity of mesoporous Al2O3-PDMS films reaches 71.35% as the concentration of Al MPs increases to 15%. As a result, the film capacitance is enhanced 1.8 times, and TENG output performance is 6.67-times greater at 33.3 kPa and 4 Hz. The pressure sensitivity of 6.71 V/kPa and 0.18 μA/kPa is determined under the pressure range of 5.5–33.3 kPa. Based on these structures, we apply mesoporous Al2O3-PDMS film to a gapless TENG structure and obtain a linear pressure sensitivity of 1.00 V/kPa and 0.02 μA/kPa, respectively. Finally, we demonstrate self-powered safety cushion sensors for monitoring human sitting position by using gapless TENGs, which are developed with a large-scale and highly-deformable mesoporous Al2O3-PDMS film with dimensions of 6 × 5 pixels (33 × 27 cm2).

scholarly journals Large Scale Triboelectric Nanogenerator and Self-Powered Flexible Sensor for Human Sleep Monitoring

Sensors ◽  
2018 ◽  
Vol 18 (6) ◽  
pp. 1713 ◽  
Author(s):  
Xiaoheng Ding ◽  
Hailin Cao ◽  
Xinghong Zhang ◽  
Mingyu Li ◽  
Yuntian Liu
Keyword(s):  
Large Scale ◽  
Triboelectric Nanogenerator ◽  
Sleep Monitoring ◽  
Flexible Sensor ◽  
Human Sleep ◽  
Self Powered

scholarly journals Self-powered ammonia synthesis under ambient conditions via N2 discharge driven by Tesla turbine triboelectric nanogenerators

2021 ◽  
Vol 7 (1) ◽  
Author(s):  
Kai Han ◽  
Jianjun Luo ◽  
Jian Chen ◽  
Baodong Chen ◽  
Liang Xu ◽  
...  
Keyword(s):  
Large Scale ◽  
Ammonia Synthesis ◽  
High Energy ◽  
Triboelectric Nanogenerator ◽  
Ambient Conditions ◽  
Waste Gas ◽  
Simulated Waste ◽  
High Rotation Speed ◽  
Self Powered ◽  
Triboelectric Nanogenerators

AbstractAmmonia synthesis using low-power consumption and eco-friendly methods has attracted increasing attention. Here, based on the Tesla turbine triboelectric nanogenerator (TENG), we designed a simple and effective self-powered ammonia synthesis system by N2 discharge. Under the driving of the simulated waste gas, the Tesla turbine TENG showed high rotation speed and high output. In addition, the performance of two Tesla turbine TENGs with different gas path connections was systematically investigated and discussed. A controllable series-parallel connection with the control of gas supply time was also proposed. Taking advantage of the intrinsic high voltage, corona discharge in a N2 atmosphere was simply realized by a Tesla turbine TENG. With the flow of N2, the generated high-energy plasma can immediately react with water molecules to directly produce ammonia. The self-powered system achieved a yield of 2.14 μg h−1 (0.126 μmol h−1) under ambient conditions, showing great potential for large-scale synthesis.

scholarly journals Large Scale Triboelectric Nanogenerator and Self-Powered Pressure Sensor Array Using Low Cost Roll-to-Roll UV Embossing

2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Lokesh Dhakar ◽  
Sudeep Gudla ◽  
Xuechuan Shan ◽  
Zhiping Wang ◽  
Francis Eng Hock Tay ◽  
...  
Keyword(s):  
Pressure Sensor ◽  
Large Scale ◽  
Sensor Array ◽  
Low Cost ◽  
Triboelectric Nanogenerator ◽  
Roll To Roll ◽  
Self Powered

Triboelectric nanogenerator based self-powered sensor for artificial intelligence

Nano Energy ◽  
2021 ◽  
Vol 84 ◽  
pp. 105887
Author(s):  
Yuankai Zhou ◽  
Maoliang Shen ◽  
Xin Cui ◽  
Yicheng Shao ◽  
Lijie Li ◽  
...  
Keyword(s):  
Artificial Intelligence ◽  
Triboelectric Nanogenerator ◽  
Self Powered

scholarly journals Self-powered multifunctional sensing based on super-elastic fibers by soluble-core thermal drawing

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Mengxiao Chen ◽  
Zhe Wang ◽  
Qichong Zhang ◽  
Zhixun Wang ◽  
Wei Liu ◽  
...  
Keyword(s):  
Polymer Fibers ◽  
Elastic Fibers ◽  
Triboelectric Nanogenerator ◽  
Large Area ◽  
Manufacturing Method ◽  
Low Viscosity ◽  
Ion Movements ◽  
Self Powered ◽  
Thermal Drawing ◽  
Viscosity Polymer

AbstractThe well-developed preform-to-fiber thermal drawing technique owns the benefit to maintain the cross-section architecture and obtain an individual micro-scale strand of fiber with the extended length up to thousand meters. In this work, we propose and demonstrate a two-step soluble-core fabrication method by combining such an inherently scalable manufacturing method with simple post-draw processing to explore the low viscosity polymer fibers and the potential of soft fiber electronics. As a result, an ultra-stretchable conductive fiber is achieved, which maintains excellent conductivity even under 1900% strain or 1.5 kg load/impact freefalling from 0.8-m height. Moreover, by combining with triboelectric nanogenerator technique, this fiber acts as a self-powered self-adapting multi-dimensional sensor attached on sports gears to monitor sports performance while bearing sudden impacts. Next, owing to its remarkable waterproof and easy packaging properties, this fiber detector can sense different ion movements in various solutions, revealing the promising applications for large-area undersea detection.

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