Discharging and Charging batteries of cell phones

@nilay-shrivastav-n7GY19 • Oct 21, 2024

Oct 21, 2024

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Sir, i have got this idea of charging the battery of a cell phone by sound wave. For example, when we speak on the phone the battery tends to get discharged but i have thought of making such a device that the more you speak on the phone the battery charges instead of discharging. Sir, kindly help me on this topic so i prepare well on this project. Please mail me at <removed by admin. Reason: All the discussions to be hosted on CE Forums so that they benefit larger audience> regarding any information about this project.

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RajdeepCE

@rajdeepce-7UdrG8 • Jun 3, 2009

Sorry to say Nilay that sound waves has too less energy & that will not enough to charge battery. And per I know that the device which convert sound waves to another energy form is yet to be discovered. Correct me if I am wrong.
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Kaustubh Katdare

@thebigk • Jun 3, 2009

Interesting concept. However, I'd like you to answer few questions -

1. How do you want to power the cell phone initially.
2. From what you've wrote, it looks like you're trying to create a self powered device. Something on the lines of perpetual motion machine?
3. Assuming that the phone sports a battery to give it initial power; is the sound energy only energy you want to utilize to charge the battery?
4. Have you thought of a way to generate electrical energy (sufficient enough) from sound energy?

Looking forward to your response.
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Munguti

@munguti-MnxkmE • Jun 6, 2009

Maybe you can try piezo-electric crystals if the sound waves can have any profound effect on them. I once saw a project were these was employed to charge a cell when walking. Which i must add was a stroke of genius
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