News tagged with electrodes

Batteries as they are meant to be seen

Researchers have developed a way to microscopically view battery electrodes while they are bathed in wet electrolytes, mimicking realistic conditions inside actual batteries. While life sciences researchers ...

dateDec 26, 2013 in Nanomaterials
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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 ...

dateDec 04, 2013 in Materials Science
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Extracting energy from bacteria

Most of us wouldn't consider bacteria a promising energy source of the future. That would be shortsighted, says Leonard Tender, a microbial-electrochemist at the Naval Research Laboratory in Washington, D.C., who believes ...

dateOct 29, 2013 in Materials Science
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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 ...

dateOct 23, 2013 in Nanomaterials
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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 ...

dateOct 17, 2013 in Condensed Matter
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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.

dateSep 18, 2013 in Environment
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