Solid-state batteries could be safer and more energy-dense than today’s lithium-ion technology, but finding materials that allow ions to move quickly through solid electrolytes has been difficult.

As power grids add more renewable energy and large-scale battery storage, utilities face a growing challenge: how to ...

Most industrial heat pumps have a range of 50 to 100 degrees Fahrenheit between their low- and high-end temperatures. With ...

Many engineering challenges come down to the same headache—too many knobs to turn and too few chances to test them. Whether tuning a power grid or designing a safer vehicle, each evaluation can be ...