Welcome to visit ceramic pump Middia website
Chinese scientists discover new way to harvest wave energy!
Release time：2024-09-23click：0
The research on wave energy is a hot topic in the development and utilization of ocean energy. However, traditional wave energy power generation devices based on electromagnetic power generation technology are difficult to effectively generate power under the action of low-frequency and low-amplitude waves. It is worth mentioning that, as a new generation of energy devices, triboelectric nanogenerators (TENG) can effectively convert low-frequency and low-amplitude mechanical energy into electrical energy, providing a new practical way to obtain energy from wave energy. .
Recently, the Nano Energy Research Team of the Institute of Marine Electronics and Intelligent Systems, College of Oceanography, Zhejiang University, used common balloons in life to create a multi-frequency high-performance friction device that can be used to collect wave energy. Nanogenerator. The research results were published in the famous journal "Advanced Energy Materials" with the title of "Multiple-frequency high-output triboelectric nanogenerator based on awater balloon for all-weather water wave energy harvesting".
The research team prepared a multi-frequency high-performance triboelectric nanogenerator based on water balloons (WB-TENG), which can achieve three working modes (full contact-separation mode; Local contact-separation mode; reciprocating contact-separation mode), which can collect mechanical energy in any direction, which greatly promotes the application of TENG in ocean energy collection. According to experimental tests, under the same conditions, the total transferred charge of WB-TENG in one working cycle is 28 times that of a traditional TENG based on a double-plate structure, indicating that this water balloon-based structural design will greatly improve the energy conversion efficiency. . In addition, because the water balloon can achieve a self-supporting effect without adding any supporting structure, the WB-TENG can still produce electrical output under slight vibration. According to the stretchability of the water balloon, during the continuous collision and friction between the balloon and the nylon film, the surface of the balloon will continue to accumulate charges until it reaches saturation, which can bring ultra-high output performance.
Research believes that in addition to being a power generation device, WB-TENG can also be used as a sensor device to reflect the vibration of waves, which is useful for ocean energy collection and distributed sensing networks in the ocean environment. The construction has positive significance.
(Original title: Chinese scientists discover new way to harvest wave energy)
