An ingenious solar sticker made with techniques drawn from nanotechnology could turn almost any surface into a source of power.
A low-power, multiroom sensor network watches for drips and runs on a coin-cell battery.
Aquion has started production of a low-cost sodium-ion battery aimed at making renewable energy viable.
New devices address instability caused by high penetration of distributed solar.
Amprius’s silicon-based batteries are starting to appear in electronics.
Smartphone battle moves from software to hardware with a crucial component to cut power consumption and allow faster data transmission.
Low-cost materials could make storing hours of power from a wind farm economically feasible.
A startup called Siluria thinks it’s solved a mystery that has stymied huge oil companies for decades.
Tesla’s profitable cars, cheap LEDs, half-price nuclear, and cheaper carbon capture are highlights of this year’s progress in clean energy.