Rational Structure Optimized Hybrid Nanogenerator for Highly Efficient Water Wave Energy Harvesting

By Jiyu Wang, Lun Pan, Hengyu Guo, Binbin Zhang, Rongrong Zhang, Zhiyi Wu, Changsheng Wu, Lijun Yang, Ruijin Liao, Zhong Lin Wang. Advanced Energy Materials, 2019

135 citations recorded by the source corpus.

Water wave energy is a promising renewable energy source that may alleviate the rising concerns over current resource depletion, but it is rarely exploited due to the lack of efficient energy harvesting technologies. In this work, a hybrid system with a triboelectric nanogenerator (TENG) and an electromagnetic generator (EMG) based on an optimized inner topological structure is reported to effectively harvest water wave energy. The TENG with etched polytetrafluoroethylene films and Cu electrodes utilizing the contact‐freestanding mode is designed into a cubic structure, in which the EMG is well hybridized. An integration of TENG and EMG achieves mutual compensation of their own merits, enabling the hybrid system to deliver satisfactory output over a broad range of operation frequency. The output performance of TENG with varied inner topological structures is experimentally and theoretically compared, and a concept is proposed to further clarify the energy conversion efficiency, which should be considered in designing energy harvesting devices. The influences of oscillation frequency, amplitude, and dielectric materials on the output performance of the hybrid system are comprehensively studied on different platforms. Furthermore, the optimum operation frequency ranges for TENG and EMG are concluded. The proposed hybrid nanogenerator renders an effective approach toward large‐scale blue energy harvesting over a broad frequency range.

Subfields: Biomedical Engineering, Electrical and Electronic Engineering, Mechanical Engineering

View Paper: https://www.semanticscholar.org/paper/85f7f78bf75458e2c50d277d20b5b7cdc2bf4850

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Biomedical Engineering

1. Chengkuo Lee
2. Xinge Guo
3. Long Liu
4. Tianyiyi He
5. Qiongfeng Shi
6. Feng Wen
7. Zhou Li
8. Bowei Dong

In Electrical and Electronic Engineering

1. Chengkuo Lee
2. Xinge Guo
3. Long Liu
4. Qiongfeng Shi
5. Zhou Li
6. Minyi Xu
7. Tiancong Zhao
8. Xiu Xiao

In Mechanical Engineering

1. Chengkuo Lee
2. Long Liu
3. Xinge Guo
4. Qiongfeng Shi
5. Zhou Li
6. Tianyiyi He
7. Minyi Xu
8. Xiu Xiao

Citations in the corpus

• Recent progress in blue energy harvesting for powering distributed sensors in ocean (2021, methodology): “The PTFE film is attached on the board to get full contact with Cu electrodes under wave excitation [184].”
• Origami-inspired electret-based triboelectric generator for biomechanical and ocean wave energy harvesting (2020, methodology): “ocean waves have the unique dynamic characteristics of irregular and random vibrations with mixed amplitudes and frequencies [31-36].”
• Progress in TENG technology—A journey from energy harvesting to nanoenergy and nanosystem (2020, methodology): “Copyright 2019, Wiley-VCH.269 E, Schematic of a non-resonant hybridized TENG&EMG generator and charging curves for a 1000 μF capacitor.”