Tuesday, July 23, 2024

Ocean Waves Can Help In Generating Electricity

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A team of researchers from China has developed a device that is capable of generating electricity from ocean waves

Anaconda-shaped spiral nanogenerators for energy harvesting from ocean waves (Credit: Wei Yuan et al, DOI: 10.1016/j.oneear.2022.08.013)

New ways are always being implemented to produce electricity from renewable resources such as solar, wind, etc. Researchers tried to utilize wave power to generate electricity but the traditional system involves bulky and expensive devices i.e. magnets and coils. Hence, a team of researchers at the Chinese Academy of Sciences has invented a new device that could efficiently generate static electricity from waves.

The device was configured with multiple small nanogenerators that can float on the surface of the ocean due to its lightweight. Each nanogenerator is fixed together using a flexible connector. The nanogenerators consist of spring-like coils within them with parts that rub against one another as the device is moved by the waves. The touching parts generate static electricity which is then pooled to be tapped and used as a power source. It was tested and analyzed that this device was capable of generating 347 watts of power per cubic meter. The device was producing 30 times better than other designs that were implemented to produce electricity from waves.

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Numerous devices were invented by researchers to assist in generating static electricity using various types of movement, such as clothes or a backpack, or even socks. But no product similar to the wave approach has made it to market. The researchers aim to develop a much larger device that could look like an anaconda snake.

The system needs more alterations before being commercially used and keeping the coils safe from wearing away is the most essential problem to be addressed.

Click here for the Published Research Paper


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