A company named M2E Power claimed last year that electronic gadgets could be charged by human motion. M2E has now reported back that this concept actually works, and expects to release a charger next year that can gather enough motion from walking to charge cell phones and GPS devices.

Apparently 6 hours of motion - I hope you have a long walk to work – can add 30 – 60 minutes of talk time to your phone. The device works by placing it in a purse (or a backpack for us guys) and letting it charge in the background.

The device is composed of a lithium ion battery with a set of coils and magnets. While you are walking the magnets move, causing an electromagnetic field around the coils, thus generating electricity. This technology has been developed by Boise State University and is the beginning of a new trend toward capturing energy from human movement.

In the future, cell phones will have batteries such as these built in, thus making the phone itself self chargeable. The technology could also be used in hybrid cars. Placing a self charging system on the windshield wipers or door locks could help to significantly extend the cars driving range.

Source

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