Journal
JOURNAL OF THE KOREAN PHYSICAL SOCIETY
Volume 72, Issue 4, Pages 499-503Publisher
KOREAN PHYSICAL SOC
DOI: 10.3938/jkps.72.499
Keywords
Static electrification; Triboelectricity; Triboelectric nanogenerator; Energy harvesting; Flowing water
Categories
Funding
- National Research Foundation of Korea (NRF) grants - Ministry of Science, ICT and Future Planning (MSIP) of Korea [2016R1A2B4007611, NRF-2017R1A2B2006852]
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Water flow has mechanical energy as well as triboelectric energy generated by the friction between the solid surface and the water. We describe a water-through triboelectric nanogenerator (WTTENG) based on Ti-mesh that harvests electrical energy from contact electrification between the water flow and polytetrafluoroethylene (PTFE) nanowires. The electrical output from the fabricated WT-TENG is due to deionized water flowing through the polypropylene (PP) channel. The WTTENG generated a peak voltage and current of up to -9.4 V and -5.1 mu A, respectively. In particular, the WT-TENG, which harvests the electrical energy from flowing deionized water, tap water and even a 0.6 M NaCl solution, can be used in applications of any existing kinds of fluids for not only harvesting mechanical energy but also sensing metal ions in the liquid.
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