Journal ArticleDOI
Experimental and theoretical investigation of an impact vibration harvester with triboelectric transduction
TLDR
In this paper, the impact force on the triboelectric layers of a polydimethylsiloxane (PDMS) with micro semi-cylindrical patterns was introduced to enlarge the frequency bandwidth.About:
This article is published in Journal of Sound and Vibration.The article was published on 2018-03-03. It has received 68 citations till now. The article focuses on the topics: Triboelectric effect & Contact electrification.read more
Citations
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Journal ArticleDOI
Theoretical modeling of triboelectric nanogenerators (TENGs)
TL;DR: In this article, an extensive review of theoretical models of TENGs is presented, including the lumped parameter equivalent circuit theory, the conventional capacitive model and Norton's equivalent circuit model, and optimal conditions for power, voltage and total energy conversion efficiency can be calculated.
Journal ArticleDOI
Mechanical energy conversion systems for triboelectric nanogenerators: Kinematic and vibrational designs
TL;DR: In this article, the authors focus on mechanical energy conversion systems (MECS) for the regular or controlled operation of TENGs; to do this, they employ kinematics or vibrational theory.
Journal ArticleDOI
Dynamics and performance evaluation of a novel tristable hybrid energy harvester for ultra-low level vibration resources
Tao Yang,Qingjie Cao +1 more
TL;DR: In this paper, a tristable hybrid vibration energy harvester using geometric nonlinearity technique to tune the resonant frequency and broadening the bandwidth is presented, which is composed of a piezoelectric ceramics, two ring permanent magnets and a central inertial mass.
Journal ArticleDOI
Analytical and experimental investigation of the centrifugal softening and stiffening effects in rotational energy harvesting
TL;DR: In this paper, the authors presented a comprehensive comparison of the centrifugal softening and stiffening harvesters with a unified dimensionless analytical model, where the analytical expressions of the optimum shortcircuit and open-circuit rotational frequencies, the optimum resistances and the optimum centrifugal coefficients were derived to reveal the influence mechanism of the gravity effect on the energy harvesting performance.
Journal ArticleDOI
Triboelectric energy harvesting from the vibro-impact of three cantilevered beams
TL;DR: In this paper, a new system that harvests vibration energy through triboelectric and electrostatic effects from the vibro-impact of three parallel cantilevered beams is theoretically studied and experimentally validated.
References
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Journal ArticleDOI
Triboelectric Nanogenerators as New Energy Technology for Self-Powered Systems and as Active Mechanical and Chemical Sensors
TL;DR: This paper reviews the fundamentals of the TENG in the three basic operation modes: vertical contact-separation mode, in-plane sliding mode, and single-electrode mode and predicts that a better enhancement of the output power density will be achieved in the next few years.
Journal ArticleDOI
Theoretical study of contact-mode triboelectric nanogenerators as an effective power source
Simiao Niu,Sihong Wang,Long Lin,Ying Liu,Yu Sheng Zhou,Youfan Hu,Zhong Lin Wang,Zhong Lin Wang +7 more
TL;DR: In this paper, a theoretical model for contact-mode TENGs was constructed based on the theoretical model, its real-time output characteristics and the relationship between the optimum resistance and TENG parameters were derived.
PatentDOI
Piezomagnetoelastic structure for broadband vibration energy harvesting
Alper Erturk,Daniel J. Inman +1 more
TL;DR: In this paper, an elongated ferromagnetic cantilevered beam having a base and an opposing end is used for scavenging vibrational energy from an external excitation source.
Journal ArticleDOI
Energy harvesting from the nonlinear oscillations of magnetic levitation
Brian P. Mann,Neil D. Sims +1 more
TL;DR: In this article, the authors investigated the design and analysis of a novel energy harvesting device that uses magnetic levitation to produce an oscillator with a tunable resonance and derived the governing equations for the mechanical and electrical domains to show the designed system reduces to the form of a Duffing oscillator under both static and dynamic loads.
Journal ArticleDOI
Nonlinear dynamics for broadband energy harvesting: Investigation of a bistable piezoelectric inertial generator
TL;DR: In this paper, a bistable inertial oscillator comprised of permanent magnets and a piezoelectric cantilever beam is used to demonstrate enhanced capabilities and new challenges.