Energy & Green Tech

Li-ion batteries: Science 'directly into your hand'

They are omnipresent and essential to navigating modern life. Small, light, rechargeable: lithium ion batteries have revolutionised our world in less than three decades.

Energy & Green Tech

Extending the life of low-cost, compact, lightweight batteries

Metal-air batteries are one of the lightest and most compact types of batteries available, but they can have a major limitation: When not in use, they degrade quickly, as corrosion eats away at their metal electrodes. Now, ...

Energy & Green Tech

New materials are powering the battery revolution

There are more mobile phones in the world than there are people. Nearly all of them are powered by rechargeable lithium-ion batteries, which are the single most important component enabling the portable electronics revolution ...

Energy & Green Tech

Battery innovations could spread renewable energy

In Edmond Hamilton's 1940 novella Revolt On The Tenth World, the science fiction author describes "solid power … the most super-valuable substance in the Solar System." Solid power is "compressed energy 'frozen' by temporary ...

Energy & Green Tech

Renewable energy storage possible thanks to chemical conversions

An unexpected discovery has led to a rechargeable battery that's as inexpensive as conventional car batteries, but has a much higher energy density. The new battery could become a cost-effective, environmentally friendly ...