scholarly journals High rotational speed hand-powered triboelectric nanogenerator toward a battery-free point-of-care detection system

RSC Advances ◽  
2021 ◽  
Vol 11 (38) ◽  
pp. 23221-23227
Author(s):  
Qitao Zhou ◽  
Shuwen Chen ◽  
Jianxin Lai ◽  
Shujun Deng ◽  
Jing Pan ◽  
...  

A hand-powered TENG system has been developed to kill two birds with one stone, simultaneously realizing centrifugation and rotary mechanical energy harvesting. Then, centrifugation of lake water and detection of H2O2 in it has been realized.

Micromachines ◽  
2021 ◽  
Vol 12 (8) ◽  
pp. 955
Author(s):  
Yunzhong Wang ◽  
Anh Tran Tam Pham ◽  
Damian Tohl ◽  
Youhong Tang

Inspired by the fundamental mechanics of an ancient whirligig (or buzzer toy; 3300 BC), a hand-driven rotational triboelectric nanogenerator (HDR-TENG) was designed and optimised, guided by our recently reported mathematical modelling. This modelling indicates that the power generated by HDR-TENG is a function of the number of segments, rotational speed, and tribo-surface spacing with different weighting sensitivities. Based on the simulation results, additive manufacturing technology was combined with commercially available components to cost-effectively fabricate the HDR-TENG. The fabricated HDR-TENG can provide stable and adjustable rotational speed up to 15,000 rpm with a linear hand stretching. The output voltage of HDR-TENG maintains a constant value within 50,000 cycles of testing when using Nylon 66 and PTFE as the triboelectric material. It can charge a 47 μF capacitor to 2.2 V in one minute. This study provides a cost-effective portable HDR-TENG device with adjustable high rotational speed, high power output, and long durable life, creating opportunities to provide a power supply for point-of-care devices in remote or resource-poor settings and applications in science and engineering education.


2020 ◽  
Vol 35 (1) ◽  
pp. 25-32 ◽  
Author(s):  
Dongdong Jiang ◽  
Chi Zhang ◽  
Guoxu Liu ◽  
Wenjian Li ◽  
Tiaozhao Bu ◽  
...  

2016 ◽  
Vol 7 (1) ◽  
pp. 1601255 ◽  
Author(s):  
Shu Wen Chen ◽  
Xia Cao ◽  
Ning Wang ◽  
Long Ma ◽  
Hui Rui Zhu ◽  
...  

Nanoscale ◽  
2021 ◽  
Author(s):  
Junwei Zhao ◽  
Yujiang Wang ◽  
Xiaojiang Song ◽  
Anqi Zhou ◽  
Yunfei Ma ◽  
...  

As a new nanotechnology of mechanical energy harvesting and self-powered sensing, triboelectric nanogenerator (TENG) has been explored as a new path of using various low-frequency disordered mechanical energies in the...


RSC Advances ◽  
2017 ◽  
Vol 7 (78) ◽  
pp. 49562-49567 ◽  
Author(s):  
Run Huang ◽  
Jianxiong Zhu

We present a hybrid electromagnetic generator (EMG) and leaf-shaped polytetrafluoroethylene (PTFE) triboelectric nanogenerator (TENG) with an arc-shaped brace structure for mechanical energy harvesting.


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