News tagged with electrode materials

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A billion holes can make a battery

Researchers at the University of Maryland have invented a single tiny structure that includes all the components of a battery that they say could bring about the ultimate miniaturization of energy storage ...

Nov 10, 2014
4.7 / 5 (72) 21

Developing the battery of the future

The search for the next generation of batteries has led researchers at the Canadian Light Source synchrotron to try new methods and materials that could lead to the development of safer, cheaper, more powerful, ...

Oct 30, 2014
4.6 / 5 (13) 1

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

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

Superbugs make green energy from black waste

A costly health problem facing countries all over the world – petroleum contamination of groundwater – could soon be tackled by armies of the world's tiniest inhabitants turning toxic waste into green electricity.

Sep 18, 2013
4.7 / 5 (3) 0