Archive: 10/17/2013

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

Ukrainians protest Chevron's shale gas plans

Hundreds of Ukrainians protested Thursday against US energy giant Chevron's plans to explore for shale gas, seen as vital to the ex-Soviet country's plans to ease its energy dependence on Russia.

Oct 17, 2013
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