News tagged with lithium

Fusion foe lends a helping hand

Although oxygen is required to sustain life, oxygen sucks the life out of fusion by radiating away too much power from the high-temperature plasma. Accordingly, great efforts are expended to reduce the oxygen ...

Nov 13, 2013
5 / 5 (3) 0

Inexpensive material boosts battery capacity

Battery-powered cars offer many environmental benefits, but a car with a full tank of gasoline can travel further. By improving the energy capacity of lithium-ion batteries, a new electrode made from iron ...

Oct 23, 2013
4.4 / 5 (16) 0 | with audio podcast

Why lithium-ion-batteries fail

Materials in lithium ion battery electrodes expand and contract during charge and discharge. These volume changes drive particle fracture, which shortens battery lifetime. A group of ETH scientists together ...

Oct 17, 2013
4.6 / 5 (24) 0 | with audio podcast

A nanoscale glimpse of batteries in action

Lithium–oxygen (Li–O2) batteries are a new type of experimental battery that electric car manufacturers are hoping will address the issue of limited driving range. Unlike the lithium-ion batteries used ...

Sep 13, 2013
4.7 / 5 (6) 0 | with audio podcast