Hybrid triboelectric nanogenerator for harvesting water wave energy and as a self-powered distress signal emitter

Su, Yuanjie; Wen, Xiaonan; Zhu, Guang; Yang, Jin; Chen, Jun; Bai, Peng; Wu, Zhiming; Jiang, Yadong; Wang, Zhong Lin

doi:10.1016/j.nanoen.2014.07.006

Cited by 275 publications

(155 citation statements)

References 37 publications

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“…However, in other designs of TENG, water can be beneficial or even required. Water was demonstrated to serve as a working electrode for a TENG [91,93], or provide additional kinetic energy as in water wave [93]. The configurations of TENG with water as a working electrode were discussed in detail in [91] and [93].…”

Section: Humidity/water Effectmentioning

confidence: 99%

“…Water was demonstrated to serve as a working electrode for a TENG [91,93], or provide additional kinetic energy as in water wave [93]. The configurations of TENG with water as a working electrode were discussed in detail in [91] and [93]. Those studies demonstrated that water can work in both contact/separation mode [91] or sliding mode [93].…”

Section: Humidity/water Effectmentioning

confidence: 99%

“…The configurations of TENG with water as a working electrode were discussed in detail in [91] and [93]. Those studies demonstrated that water can work in both contact/separation mode [91] or sliding mode [93]. Figure 8 shows the schematic of the TENGs employing water in contact/separation mode and in sliding mode, as well as the obtained open-circuit voltage.…”

Section: Humidity/water Effectmentioning

confidence: 99%

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Environmental effects on nanogenerators

2015

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The desire for self-powered nanosystems and wearable devices has driven wide investigation of the sustainable energy source. Harvesting energy from the ambient environment with nanogenerators becomes a viable solution with the development of low-power electronics. Different devices can face dramatically different working conditions, which may seriously restrict the application of those nanogenerators. In this review article we describe the most recent progress in the study of the environmental effect on the nanogenerator. While a variety of nanogenerators have been developed using piezoelectric, triboelectric, pyroelectric and thermoelectric effects, the most studied piezoelectric nanogenerator and triboelectric nanogenerator will be discussed in more detail. This review emphasizes the important effect of the temperature, humidity, and water. The other effects, such as UV radiation or adsorption of gas or solid material, are also presented for certain nanogenerators. In the end we share our views of the future research directions and the remaining challenges in this field.

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Section: Humidity/water Effectmentioning

confidence: 99%

Section: Humidity/water Effectmentioning

confidence: 99%

Section: Humidity/water Effectmentioning

confidence: 99%

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Environmental effects on nanogenerators

2015

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“…Vibrations can directly reflect the working state and the health of the machineries and infrastructures, therefore the sensing of vibrations is of critical importance in equipment maintenance and environment monitoring. Since TENGs can generate electricity from any type of mechanical motions in the natural environment including vibrations MATEC Web of Conferences 148, 14005 (2018) https://doi.org/10.1051/matecconf/201814814005 ICoEV 2017 [6,7], human body motions [8,9], impacts [10,11], breathing-driven [12] and so on, they can be used to develop self-powered active sensors for all these types of mechanical motions.…”

Section: Introductionmentioning

confidence: 99%

Triboelectric nanogenerator as self-powered impact sensor

Garcia¹,

Trendafilova²,

Viloria

et al. 2018

MATEC Web Conf.

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Abstract. In recent years, triboelectric nanogenerators (TENGs) are used to harvest mechanical energy from ambient environment. These devices convert ambient energies (e.g. vibrations, breathing-driven, impacts or human body motions) into electricity based on the triboelectric effect. Furthermore, some TENGs can be successfully employed as selfpower active sensors because the electric response from the TENG is proportional to the magnitude of the mechanical motion. This study report on the design and development of a novel triboelectric nanogenerator, and its potential application as self-powered impact sensor. To prepare the TENG device, membranes of polyvinylidene fluoride (PVDF) and polyvinylpyrrolidone (PVP) nanofibers are sandwiched between copper electrode films and wrapped on PET films. The TENG works based on the triboelectric interaction between the membranes of nanofibers. After the preparation, the TENGs are subjected to several impacts by the drop-ball impact test. The purpose of the experiment is to analyse if the electric response of TENG is dependent on the energy of the impact. The results of the experiment are presented and discussed. The main contributions of this work are the preparation of a novel nanogenerator (TENG) based on the triboelectric interaction between polyvinylidene fluoride and polyvinylpyrrolidone sub-micron polymer fibers and the investigation of its potential use as a self-powered impact sensor.

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“…Recently, nanogenerators [1][2][3][4][5][6][7] have been invented to power electronic devices by harvesting energy from the environment. Among them, based on the coupling of the triboelectrifi cation effect and electrostatic induction, triboelectric nanogenerators (TENG) have shown advantages of light weight, extreme low cost, and simplicity in fabrication, [ 1,3,[8][9][10] which can be used to harvest almost all forms of mechanical energies, such as vibrations, [11][12][13][14][15][16] airfl ow, [17][18][19] water waves, [20][21][22] rotation, [23][24][25] and even acoustic energy. [ 26,27 ] However, it has been demonstrated that the triboelectrifi cation effect can be greatly affected by the environmental conditions, such as humidity and surface adsorption layers.…”

Section: Introductionmentioning

confidence: 99%

A Water‐Proof Triboelectric–Electromagnetic Hybrid Generator for Energy Harvesting in Harsh Environments

Guo

Wen

et al. 2015

Advanced Energy Materials

253

165

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Packaging is a critical aspect of triboelectric nanogenerators (TENG) toward practical applications, since the performance of TENG is greatly affected by environmental conditions such as humidity. A waterproof triboelectric–electromagnetic hybrid generator (WPHG) for harvesting mechanical energy in harsh environments is reported. Since the mechanical transmission from the external mechanical source to the TENG is through a noncontact force between the paired magnets, a fully isolated packaging of TENG part can be easily achieved. At the same time, combining with metal coils, these magnets can be fabricated to be electromagnetic generators (EMG). The characteristics and advantages of outputs from both TENG and EMG are systematically studied and compared to each other. By using transformers and full‐wave rectifiers, 2.3 mA for total short‐circuit current and 5 V for open‐circuit voltage are obtained for WPHG under a rotation speed of 1600 rpm, and it can charge a supercapacitor (20 mF) to 1 V in 22s. Finally, the WPHG is demonstrated to harvest wind energy in the rainy condition and water‐flow energy under water. The reported WPHG renders an effective and sustainable technology for ambient mechanical energy harvesting in harsh environments. Solid progress in both the packaging of TENG and the practical applications of the hybrid generator toward practical power source and self‐powered systems is presented.

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Hybrid triboelectric nanogenerator for harvesting water wave energy and as a self-powered distress signal emitter

Cited by 275 publications

References 37 publications

Environmental effects on nanogenerators

Environmental effects on nanogenerators

Triboelectric nanogenerator as self-powered impact sensor

A Water‐Proof Triboelectric–Electromagnetic Hybrid Generator for Energy Harvesting in Harsh Environments

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