Recent Advances in Mechanical Vibration Energy Harvesters Based on Triboelectric Nanogenerators

Author:

Du Taili12,Dong Fangyang1,Xi Ziyue1,Zhu Meixian12,Zou Yongjiu12,Sun Peiting2,Xu Minyi1ORCID

Affiliation:

1. Dalian Key Lab of Marine Micro/Nano Energy and Self‐Powered Systems Marine Engineering College Dalian Maritime University Dalian 116026 China

2. Collaborative Innovation Research Institute of Autonomous Ship Dalian Maritime University Dalian 116026 China

Abstract

AbstractWith the development of autonomous/smart technologies and the Internet of Things (IoT), tremendous wireless sensor nodes (WSNs) are of great importance to realize intelligent mechanical engineering, which is significant in the industrial and social fields. However, current power supply methods, cable and battery for instance, face challenges such as layout difficulties, high cost, short life, and environmental pollution. Meanwhile, vibration is ubiquitous in machinery, vehicles, structures, etc., but has been regarded as an unwanted by‐product and wasted in most cases. Therefore, it is crucial to harvest mechanical vibration energy to achieve in situ power supply for these WSNs. As a recent energy conversion technology, triboelectric nanogenerator (TENG) is particularly good at harvesting such broadband, weak, and irregular mechanical energy, which provides a feasible scheme for the power supply of WSNs. In this review, recent achievements of mechanical vibration energy harvesting (VEH) related to mechanical engineering based on TENG are systematically reviewed from the perspective of contact–separation (C‐S) and freestanding modes. Finally, existing challenges and forthcoming development orientation of the VEH based on TENG are discussed in depth, which will be conducive to the future development of intelligent mechanical engineering in the era of IoT.

Funder

National Natural Science Foundation of China

Fundamental Research Funds for the Central Universities

Publisher

Wiley

Subject

Biomaterials,Biotechnology,General Materials Science,General Chemistry

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