New mirror-based solar system produces electricity and heat at the same time

Researchers have developed a new type of solar power system that can produce both electricity and heat at the same time—an innovation that could...

Scientists finally reveal the hidden “glue” inside lithium-ion batteries

Lithium-ion batteries power everything from smartphones to electric cars, yet scientists are still learning how the tiny parts inside them affect performance. Researchers at the...

Scientists achieve record efficiency in next-generation perovskite solar cells

Solar energy technology has taken another major step forward as researchers develop a new way to make perovskite solar cells more efficient and stable. A...

Scientists create cold-proof battery that won’t fail in extreme weather

Extreme winter weather can do more than make people uncomfortable—it can also cripple the batteries that power electric vehicles, backup systems, and everyday devices. When...

New calcium battery lasts 1,000 cycles, offering lithium alternative

As the world moves toward renewable energy and electric vehicles, the need for better batteries is becoming more urgent. Today, most devices — from...

New tree-inspired cooling method could solve AI data center heat crisis

Artificial intelligence is transforming the world, but it comes with a hidden cost: enormous heat. Modern AI data centers pack thousands of powerful processors into...

Scientists create “liquid solar battery” that works without electricity

One of the biggest challenges of renewable energy is what happens when the sun is not shining. Solar panels produce electricity during the day, but...

Scientists identify key bottlenecks slowing sodium-ion batteries

Sodium-ion batteries are emerging as a promising alternative to today’s lithium-ion batteries. While lithium-ion technology powers everything from smartphones to electric cars, lithium is relatively...

New compact device turns sunlight and waste heat into clean hydrogen at 28% efficiency

Hydrogen is often described as a fuel of the future because when it is used, it produces only water instead of harmful emissions. But making...

Edison’s lost battery idea gets a high-tech comeback for the renewable energy age

At the start of the 20th century, electric cars were more common on American roads than gasoline vehicles. In 1900, many drivers relied on lead-acid...