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Researchers have demonstrated a penny-sized "nuclear battery" that produces energy from the decay of radioisotopes.


 battery nuclear energy
Batteries made from plain copier paper could make for future energy storage that is truly paper thin.


 battery energy paper carbon nanotechnology
A Utah company plans to dig a series of underground caverns that it hopes to one day fill with compressed air, releasing it to generate electricity by turning a turbine and solving one of the most vexing problems facing the clean-energy industry -- how to store power. Under a barren patch of Utah desert, a private-equity group is bankrolling the project to hollow out a series of energy-storage vaults from a massive salt deposit a mile...


 energy storage pressure air underground battery Utah
Minuscule tubes coated with a chemical fuel can act as a power source with 100 times more electrical power by weight than conventional batteries. As these nano-scale "fuses" burn, they drive an electrical current along their length at staggering speeds. The never-before-seen phenomenon could lead to a raft of energy applications.


 nanotechnology battery energy fire electricity
Scientists have identified a reason why lithium batteries in laptops and mobile phones may overheat and catch fire.


 laptop mobile phone fire lithium battery
Batteries for phones and laptops could soon recharge ten times faster and hold a charge ten times larger than current technology allows.


 battery electricity