Leading the project is Dr Sang-Woo Kim at the Sungkyunkwan University in Seoul, South Korea, who hinted at future projects: “Sound power can be used for various novel applications including cellular phones that can be charged during conversations and sound-insulating walls near highways that generate electricity from the sound of passing vehicles.” [IT Times via The Telegraph]
For phone batteries???? I think what they actually found was the solution to maintenance issues in coastal wave power generators. I'm thinking mass produced interlocking tiles with current pass-thru and recyclable covers that are cheap enough so as not to be treated with antifouling agents, which aren't really feasible on propeller type generators.... Go Korea. Why can't we invent stuff like this?