Journal
NANO ENERGY
Volume 95, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.nanoen.2022.106998
Keywords
Triboelectric nanogenerator; Moving bubble; Energy harvesting; Self-powered; Water level detecting
Categories
Funding
- Natural Science Foun-dation of Guangxi Province [2018GXNSFBA281182]
- Specific Research Project of Guangxi for Research Bases and Talents [AD20159022]
- Open Foundation of Guangxi Key Laboratory of Processing for Non-ferrous Metals and Featured Materials [2020GXYSOF04]
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The authors demonstrate a newly designed bubble-based TENG that can produce a stable voltage by using a moving air bubble in a liquid-filled tube, providing an effective approach for energy harvesting and self-powered systems.
Triboelectric nanogenerator (TENG) has attracted increasing attention for its superior properties in energy harvesting and self-powered systems. Herein we demonstrate a newly designed bubble-based TENG (B-TENG) by a moving air bubble in a liquid-filled polytetrafluoroethylene (PTFE) tube. The B-TENG can produce a stable voltage of ~ 17.5 V from a slow-moving air bubble in a PTFE tube filling with DI water. The dependence of output performance on the electrode width, electrode distance, bubble volume, and moving frequency were systematically studied. Besides, a three-electrode B-TENG was fabricated to demonstrate its ability in mechanical energy harvesting. Moreover, we demonstrate the application of the B-TENG by integrating it into a water level monitoring system to detect the water level height. These results may provide an effective approach for energy harvesting and self-powered systems.
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