DataVXACS Energy LettersPaper
journal article·2021-08-13

Spherical Triboelectric Nanogenerator with Dense Point Contacts for Harvesting Multidirectional Water Wave and Vibration Energy

Zuqing Yuan, Chunfeng Wang, Jianguo Xi, Xun Han, Jing Li, Su-Ting Han, Wenchao Gao, Caofeng Pan

ACS Energy Letters· Volume 6· Issue 8
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Source abstract

Abstract

Ocean wave energy is one of the most renewable energy sources. In this work, a spherical triboelectric nanogenerator (TENG) with dense point contacts can harvest water wave and vibration energy. Such spherical TENG consists of multiunits made of polyacrylate balls and thin fluorinated ethylene propylene films. The utilization of small polyacrylate balls enlarges the frequency of point contacts to enhance the contact efficiency and provides appropriate mechanical space to increase the volume power density. The spherical TENG transfer charges increased from about 21 nC to 820 nC with 1 to 15 units connected in parallel in the shell. The spherical TENG achieved a volume power density of 6.9 W m–3 at 0.8 Hz and 20.57 W m–3 at 5.9 Hz. Therefore, the spherical TENG provides a potential approach toward large-scale wave energy harvesting.
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Research context

Nanomaterials

OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Conducting polymers and applications · Electrospun Nanofibers in Biomedical Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen 518060, China

CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, P. R. China

Department of Civil Engineering, Monash University, Clayton 3800, Australia

School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing 100049, P. R. China

Funding

Natural Science Foundation of Beijing Municipality · National Natural Science Foundation of China · national key R & D project from Minister of Science and Technology, China · Shenzhen Science and Technology Program

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