Gallery: New Japanese Button Battery Generates Power From Vibrations

 

Here at Inhabitat we’ve seen kinetic batteries before, but a Japanese researcher has developed a new type of kinetic button battery that is able to generate and store a remarkable amount of energy from vibrations. Developed by Toshiyuki Ueno at Japan’s Kanazawa University, the petite powerhouse could one day energize everything from watches to large appliances. The battery has an energy density of about 22 mW/cm3, which is currently 20 times higher than other vibration-driven generators that are made with piezoelectric materials.

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1 Comment

  1. Bomberesque December 6, 2010 at 4:15 am

    Nice article and an interesting bit of kit
    Not my field but shouldn’t the energy density be in mWh/cm3?

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