PULSE harvests kinetic energy which is converted to electricity and can be used to charge small devices.
Off-grid charger lets you generate enough juice to make an emergency call.
Timepiece does away with the need for batteries.
New way to charge phones using electricity generated while users cycle.
Using the kinetic energy generated to power batteries prisoners get a day off the sentence for every 16 hours pedalling they complete.
New environmentally friendly suitcase boosts the battery life of electronics while you make you way to your destination.
A small nanogenerator device relies on the wearer's movements to charge gadgets on the go.
Device recharges portable electronic devices while you are on the go.
The EnHANTs (Energy Harvesting Active Networked Tags) project is one of three winners from the Vodafone Americas Foundation Wireless Innovation Project.
Researchers at MIT have been working to develop methods for harnessing energy from natural, passive processes.