News tagged with lithium

Composite battery boost

(Phys.org) —New composite materials based on selenium (Se) sulfides that act as the positive electrode in a rechargeable lithium-ion (Li-ion) battery could boost the range of electric vehicles by up to ...

Dec 04, 2013
4.9 / 5 (24) 2 | with audio podcast

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