Modeling and Analysis of Vertical Contact Mode Triboelectric Energy Harvester

Kumar, Satish; Kumar, Rajeev; Seemann, Wolfgang; Jain, S. C.

doi:10.1080/10584587.2020.1819036

Cited by 9 publications

(3 citation statements)

References 17 publications

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“…The thickness of the copper foil serving as the electrode was 0.05 mm, and thickness of the designed patch was 6.51 mm (Figure S2c,d). The output performance of the triboelectric nanogenerator was maximized at a specific dielectric layer thickness . As the thickness of the two materials increased, the open circuit voltage ( V oc ) increased first and then decreased .…”

Section: Resultsmentioning

confidence: 84%

“…The output performance of the triboelectric nanogenerator was maximized at a specific dielectric layer thickness. 43 As the thickness of the two materials increased, the open circuit voltage (V oc ) increased first and then decreased. 44 According to the triboelectric performance of the materials at different thicknesses (Figure S3), the most appropriate thickness of the materials is 0.12 mm and 0.10 mm.…”

Section: Resultsmentioning

confidence: 99%

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Triboelectric Patch Based on Maxwell Displacement Current for Human Energy Harvesting and Eye Movement Monitoring

et al. 2022

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The forthcoming wearable health care devices garner considerable attention because of their potential for monitoring, treatment, and protection applications. Herein, a self-powered triboelectric patch was developed using polytetrafluoroethylene rubbed with nylon fabric. The triboelectric patch can maintain a stable electrostatic field, due to the excess electrification on the surface of the triboelectric layer. The designed triboelectric nanogenerator (TENG) output watt density can reach about 485 mW/m2 with added resistance of 11 kΩ. Additionally, the performance of the triboelectric patch allowed eye movement monitoring. The maximum voltage could reach 80 V at the vertical distance of 20 mm between the frictional layer and collector. The triboelectric patch not only can power a digital watch for potential wearable applications but also can be integrated to monitor eye movements during sleep. This work proposed a mechanism for human movement energy harvesting, which may be used for self-powered smart wearable health equipment and Maxwell displacement current wireless sensors.

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Section: Resultsmentioning

confidence: 84%

Section: Resultsmentioning

confidence: 99%

Triboelectric Patch Based on Maxwell Displacement Current for Human Energy Harvesting and Eye Movement Monitoring

et al. 2022

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“…Due to the impossibility of conducting experiments with varied geometries and loading factors, numerical analyses for SM‐TEH have been conducted. These design parameters are classified into three groups based on the generalized Equation's input into the mathematical model: material parameters, structural parameters, and experiment parameters 27 i.Surface charge density ( σ )Material parametersii.Relative permittivity of triboelectric material (

ε_{r}

)iii.Effective thickness of the triboelectric layer ( d )Structure parametersiv.Contact surface area ( S )vExternal load resistance ( R )Experimental parametersvi.Rotational speed (N) …”

Section: Resultsmentioning

confidence: 99%

Experiment and simulation of sliding mode triboelectric energy harvester based on slider‐crank mechanism

Kumar

Singh

Kumar

et al. 2023

Env Prog and Sustain Energy

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A simple and affordable triboelectric device is fabricated to harvest mechanical energy and convert it to electrical energy. Based on a double-dielectric-layered (Nylon and PTFE) structure, a lateral sliding mode triboelectric energy harvester (SM-TEH) has been fabricated. The fabricated SM-TEH device is linked to the slider-crank mechanism for smooth operation. The dimension of the fabricated device has been used as 10.1 cm Â 10.1 cm. An experimental study has been conducted for various rotational speeds at different external resistance. Additionally, an electrical model has been developed to validate the experimental results. After that, it has been carefully examined to see how the material, structure, and experimental parameters may affect the output performance of the SM-TEH. Later, a thorough investigation of the effects of the dual factors, including the effective triboelectric layer thickness, contact area, external resistance, and rotational speed (in rpm), was conducted. The relationship between conversion efficiency and external resistance is investigated to obtain the maximum efficiency at optimum external resistance. Further, the cost analysis of the SM-TEH device is presented to study the commercialization of the device for practical application. The feasibility of the designed SM-TEH is demonstrated by lighting on 40 red light-emitting diodes (LEDs). The AC signals generated are then converted into DC signals using a bridge rectifier. Capacitors of various sizes (1, 2.2, 3.3, 10, 47 μF) store the output voltage without external load resistance.

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