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Researchers Develop New Way To Generate Electricity Using Ocean Waves

A team of researchers at the Chinese Academy of Sciences has developed a new way to generate electricity using ocean waves. In their paper published in the journal One Earth, the group describes how their new device works and how well it compared to other wave power devices.

Other researchers have tried to engineer devices that can create static electricity using other types of movement, such as clothes or a backpack or even socks. But thus far, no products based on this approach have made it to market. In this new effort, the researchers are looking at a much larger device, one modeled after the anaconda snake.

In their approach, they built multiple small nanogenerators that float on the surface of the ocean. Each of the nanogenerators are linked together using a flexible connector. Static electricity generated by all of the nanogenerators is then pooled to be tapped and used as a power source The nanogenerators have spring-like coils inside of them with parts that rub up against one another as the device is moved by waves—the touching parts generate static electricity, just like socks in a dryer.

Testing of their idea showed it capable of generating 347 watts of power per cubic meter, which they note is approximately 30 times better than other designs geared to reap electricity from waves. More work will need to be done on their system, however, before it could be put to commercial use. How to keep the coils from wearing away, for example, would need to be resolved

A new way to make electricity using ocean waves

Source: Techxplore

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