A team of researchers from the University of California, San Diego recently developed a sponge-based triboelectric nanogenerator (TENG) to prevent corrosion of metal surfaces. This nanogenerator combines materials with different electrical charges to create an electrical current when pressure is applied. This current can be used to protect metal surfaces from corrosion, which can cause significant damage and reduce the lifespan of metal structures. The team hopes that their invention will help to reduce the cost and time associated with corrosion prevention.

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source: Phys.org