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Wearable Liquid Metal Device Converts Mechanical Energy into Electrical

A Purdue University  team created a wearable technology that converts mechanical energy into electrical energy. The "liquid-metal-inclusion-based triboelectric nanogenerator" is called LMI-TENG for short. The LMI-TENG can harvest and sense biomechanical signals from the body and use those to help power and direct devices. The LMI-TENG consists of a layer of liquid metal embedded in functional silicone, between two Ecoflex layers. The Purdue technology could have applications for many self-powered innovations for emerging tech like wearable sensors, human-machine interfaces, robotics, and the Internet of Things.

Topics:
Data Acquisition Electronics & Computers Energy Internet of Things Materials Medical Power Sensors Test & Measurement

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    Transcript

    00:00:00 we would like to make the devices more stretchable more variable but as we know on solid materials can now be stretched to a large amount and liquid represents the ultimate form of anything that can be deformed and the liquid Oh is a very interesting and a fascinating material it's conducting isn't matter but Eirene temperature they are liquid so there represents probably wrong over the best

    00:00:24 materials you can sink for making a stressful electronic devices by adding one thin layer of polymers on top of the liquid metal we can increase the surface charge density to a very large degree and we can improve the mechanical ability advices if you have a stressful device and that means it's very soft it can also tell with a large stream just like I was saying if you can have some

    00:00:47 devices possess similar stretchability to the human skin then you can potentially attach the devices onto skin and you don't feel it's more like an invisible imperceptible devices and we can use those type of devices to monitor human status and those type of technology could have huge applications in future human machine to face robotics applications that we envision that this

    00:01:09 type of technology can be used in medical care for robotics for consumer electronics and also for defense knowledge for example you can imagine the soldier can sit in front of screen and use these type of devices to control robotics that are some dangerous hazardous environment where human beings are forbidden and many other emerging applications