Energy Storage

Researchers have developed a more efficient, more reliable potassium-oxygen battery with a cathode that stores the energy produced by a chemical reaction in a metal-oxygen or metal-air battery....

As lithium-ion battery production doubles, more viable energy storage solutions are needed.

Life support research for astronauts enabled a solution to one aspect of climate change.

A combination of additives shows promise for boosting battery performance in very cold or hot weather.

The nanogenerator also acts as a weather station.

RFID-based devices work in indoor and outdoor lighting conditions and could transmit data for years before they need to be replaced.

When combined with saltwater, rust can be a source of electricity.

A new charging cell wants to use low-grade heat from our industrial processes to power our devices.

Undercooled metal technology was developed that features liquid metal (in this case, Field's metal, an alloy of bismuth, indium, and tin) trapped below its melting point in polished,...

To investigate oceans, researchers aim to build a submerged network of interconnected sensors that sends data to the surface. Supplying constant power to scores of sensors designed to stay for long...

Learn about the world's first wave-driven desalination system.

A new device, inspired by a rose, inexpensively collects and purifies water. The device is a new approach to solar steaming for water production — a technique that uses energy from sunlight...

The key to acceptance and adoption of a "smart home" will be enhancing total ease of ownership.

Scientists from Caltech and Northwestern University have found a way to generate electricity by combining saltwater with one of life's more undesirable compounds: rust.

Certain species of bacteria that exist in oxygen-deprived environments must find a way to breathe that doesn't involve oxygen. These microbes — which can be found deep within mines, at...

Organic semiconductors (OSCs) have emerged as a new class of electronic materials promising a wide range of applications including organic field-effect transistors...

Two very challenging problems facing the U.S. and the world are energy security and global climate change, largely due to dependence on fossil fuels. Cost-effective technologies have been developed that are...

Lithium-air batteries are poised to become the next replacement for currently used lithium-ion batteries that power electric vehicles, cell-phones, and computers....

Today's lithium-ion batteries use cathodes (one of the two electrodes in a battery) made of a transition metal oxide. Batteries with cathodes made of sulfur are considered a...

The National Energy Technology Laboratory (NETL) is a U.S. Department of Energy (DOE) national laboratory — with sites in Anchorage, AK; Albany, OR; Morgantown, WV; and Pittsburgh, PA...

Researchers have created wearable technology to convert mechanical energy into electrical energy. It presents a step toward the practical realization of self-powered, human-integrated technologies.