News tagged with performance

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

New life for old TV screens

Television sets have changed dramatically in recent years, with the introduction of flat-screen LCD, plasma and LED monitors. These new technologies have virtually eliminated the old-fashioned cathode ray ...

Sep 26, 2013 4 / 5 (1) 1