Energy & Green Tech

Microwave-based method to upcycle old lithium-ion cathodes

Lithium-ion batteries power everything from phones and electric vehicles to grid-scale energy storage and earbuds, but their cathodes—the part of batteries denoted by a plus sign—are expensive to make and rely on minerals ...

Electronics & Semiconductors

Nanoengineered wood sets new record for transformer insulation

The world's power grid is straining under the surge in electricity demand from data centers, electric vehicles and renewable energy. And a century-old technology, the power transformer, must support this dramatic increase. ...

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