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A hybrid triboelectric nanogenerator for enhancing corrosion prevention of metal in marine environment

Engineering and Technology

A hybrid triboelectric nanogenerator for enhancing corrosion prevention of metal in marine environment

M. Wu, W. Guo, et al.

Discover the revolutionary hybrid spherical triboelectric nanogenerator (S-TENG) designed for harnessing wave energy and providing effective cathodic protection for metals in marine environments. This innovative solution, developed by Menzhen Wu and colleagues, showcases impressive performance with a short circuit current density of 186 mA m⁻³ and open circuit voltage of 88.9 V, ensuring enhanced corrosion protection for metals like stainless steel and carbon steel.

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Playback language: English
Abstract
A hybrid spherical triboelectric nanogenerator (S-TENG) with both solid-solid and solid-liquid contact modes is successfully constructed to collect wave energy for highly efficient cathodic protection of metals in marine. The S-TENG simultaneously captures friction energy from inside and outside, achieving a short circuit current density of 186 mA m⁻³ and open circuit voltage of 88.9 V. It demonstrates cathodic protection of stainless steel (304SS) and organically coated carbon steel (Q235CS) with potential drops of about 410 mV and 930 mV, respectively. This low-cost, environmentally friendly approach effectively converts wave energy for electrochemical cathodic protection in marine environments.
Publisher
npj Materials Degradation
Published On
Aug 27, 2022
Authors
Menzhen Wu, Wenxi Guo, Shigang Dong, Andeng Liu, Yanhui Cao, Zijie Xu, Changjian Lin, Jian Zhang
Tags
triboelectric nanogenerator
wave energy
cathodic protection
marine environment
corrosion protection
sustainability
energy conversion

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