Built-in extinguishers can prevent battery fires and explosions
Researchers have designed a working prototype of a lithium metal battery equipped with a built-in fire extinguisher, which is activated if the battery overheats.
Engineering
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Energy & Green Tech
New method stores high-density methane in graphene-coated nanoporous carbon
Methane (CH4), one of the most abundant natural gases on Earth, is still widely used to power several buildings and to fuel some types of vehicles. Despite its widespread use, storing and transporting this gas safely remains ...
Engineering
Turning tap water into hydrogen: New strategy lets PEM electrolyzers use impure water
In recent years, energy engineers have been working on a wide range of technologies that could help to generate and store electrical power more sustainably. These include electrolyzers, devices that could use electricity ...
Engineering
New passivation strategy improves scalability and efficiency of perovskite solar cells
Solar cells, devices that can convert sunlight into electrical energy, are becoming increasingly widespread, with many households and industries worldwide now relying on them as a source of electricity. While crystalline ...
Engineering
Passive cooling paint sweats off heat to deliver 10X cooling and 30% energy savings
A new cement-based paint can cool down the building by sweating off the heat. The cooling paint, named CCP-30, was designed by an international team of researchers and features a nanoparticle-modified porous structure composed ...
Energy & Green Tech
Wastewater contaminants boost green hydrogen production
Research led by RMIT University has developed an experimental invention to turn wastewater's high contaminant load into an advantage for making green hydrogen that could reduce reliance on fresh water—a scarce resource ...
15 hours ago
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Engineering
Inspired by elephant ears, new wall design could help buildings stay cool and cut energy use
Drawing inspiration from the venous ears of jackrabbits and elephants, Drexel University researchers have come up with a new approach to passive heating and cooling that could one day make buildings more energy efficient. ...
16 hours ago
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Energy & Green Tech
Solid-state batteries promise faster charging, longer life, and improved safety
Solid-state batteries charge in a fraction of the time, run cooler, and pack more energy into less space than traditional lithium-ion versions.
17 hours ago
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2
Energy & Green Tech
New liquid can simplify hydrogen transportation and storage
Researchers at EPFL and Kyoto University have created a stable hydrogen-rich liquid formed by mixing two simple chemicals. This breakthrough could make hydrogen storage easier, safer, and more efficient at room temperature.
Jul 15, 2025
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Energy & Green Tech
Beyond shade: Researchers improve radiant cooling to make outdoor temperatures feel cooler
A team of UCLA engineers and researchers has developed a new technique to make it feel up to 10 degrees Fahrenheit cooler outside while preserving a sense of safe and open space.
Jul 15, 2025
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