Fluoride shuttle increases storage capacity

German researchers have developed a new concept for rechargeable batteries. Based on a fluoride shuttle -- the transfer of fluoride anions between the electrodes -- it promises to enhance the storage capacity reached by lithium-ion ...

Earth's rarest metals ranked in supply risk list

(PhysOrg.com) -- A new list published by the British Geological Survey, or BGS, ranks 52 of Earth's elements based on their risk of supply disruption. Andrew Bloodworth, from BGS, points out that the likelihood of the world ...

The heat is on for sodium-manganese oxide rechargeable batteries

(PhysOrg.com) -- By adding the right amount of heat, researchers have developed a method that improves the electrical capacity and recharging lifetime of sodium ion rechargeable batteries, which could be a cheaper alternative ...

Aqua Star USA creates a two man underwater scooter

(PhysOrg.com) -- Have you ever had a Jacques Cousteau fantasy? A yearning to live your own version of 20,000 leagues under the sea? Or maybe, you just want to see the great barrier reef on something other than the Discovery ...

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