Smartphones may Now be Charged by Walking or Driving!

by Dr. Enozia Vakil on  February 23, 2014 at 3:38 PM Research News   - G J E 4
A new device has been developed by a team of engineers that could be a great solution for charging smartphones and other electronic gadgets on the go, without any cord.
 Smartphones may Now be Charged by Walking or Driving!
Smartphones may Now be Charged by Walking or Driving!

Incorporated directly into a cell phone housing, the team's nanogenerator could harvest and convert vibration energy from a surface, such as the passenger seat of a moving vehicle, into power for the phone.

Xudong Wang, an assistant professor of materials science and engineering at the University of Wisconsin-Madison, said they believe this development could be a new solution for creating self-charged personal electronics.

Wang, his Ph.D. student Yanchao Mao and collaborators from Sun Yat-sen University in China, and the University of Minnesota Duluth described their device, a mesoporous piezoelectric nanogenerator.

The nanogenerator takes advantage of a common piezoelectric polymer material called polyvinylidene fluoride, or PVDF. Piezoelectric materials can generate electricity from a mechanical force; conversely, they also can generate a mechanical strain from an applied electrical field.

The nanogenerator could become an integrated part of an electronic device- for example, as its back panel or housing- and automatically harvest energy from ambient vibrations to power the device directly.

The study was published in the journal Advanced Energy Materials.

Source: ANI

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