Energy & Green Tech

Potassium metal battery emerges as a rival to lithium-ion technology

From cell phones, to solar power, to electric cars, humanity is increasingly dependent on batteries. As demand for safe, efficient, and powerful energy storage continues to rise, so too does the call for promising alternatives ...

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 ...

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, ...

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. ...

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