Energy & Green Tech

Renewable: Lithium promises revival for dying California inland sea

Hollywood's jetset once crowded the shores of the Salton Sea, a then-idyllic southern California playground for the wealthy. Today, it is desolate and depressed—the evaporating water leaving behind dead shellfish, dust ...

Electronics & Semiconductors

Simple method for measuring the state of lithium-ion batteries

Rechargeable batteries are at the heart of many new technologies involving, for example, the increased use of renewable energies. More specifically, they are employed to power electric vehicles, cell phones, and laptops. ...

Energy & Green Tech

Extending the life of low-cost, compact, lightweight batteries

Metal-air batteries are one of the lightest and most compact types of batteries available, but they can have a major limitation: When not in use, they degrade quickly, as corrosion eats away at their metal electrodes. Now, ...

Energy & Green Tech

Lithium-ion battery material breaks barrier on fast charging

Researchers at the Department of Energy's Oak Ridge National Laboratory and the University of Tennessee, Knoxville, discovered a key material needed for fast-charging lithium-ion batteries. The commercially relevant approach ...

Energy & Green Tech

Renewable energy storage possible thanks to chemical conversions

An unexpected discovery has led to a rechargeable battery that's as inexpensive as conventional car batteries, but has a much higher energy density. The new battery could become a cost-effective, environmentally friendly ...

Energy & Green Tech

Beyond lithium-ion: next generation battery research underway

New smartphones, portable devices and electric cars may get a lot of the public's attention but all of them are dependent on batteries to make them run. Most current devices use rechargeable lithium-ion batteries—technology ...

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