New low-cost way to produce power at night
Researchers have designed an off-grid, low-cost modular energy source that can efficiently produce power at night. The system uses commercially available technology and could eventually...
Scientists develop first electrically injected laser
Scientists have demonstrated the first electrically injected laser made with germanium tin. Used as a semiconducting material for circuits on electronic devices, the diode laser...
Scientists find novel way to improve performance of supercapacitors
Demand for integrated energy storage devices is growing rapidly as people rely more and more on portable and wireless electronics, and the global need...
Perovskite mineral is the future of solar energy cells, shows Cornell study
A solar cell made with perovskite, shown here, show promise as an energy-efficient, scalable and longer-lasting way to create solar panels. When it comes to...
Scientists create high-performing hybrid solar energy converter
In tests, the hybrid solar energy converter demonstrated 85.1% efficiency. Researchers project it to have a system levelized cost of 3 cents per kilowatt-hour. A...
New fabric could help keep you cool in the summer, even without air conditioning
Air conditioning feels great on a hot summer day, but cooling homes and buildings uses considerable electricity. Now, scientists have developed a cool new...
‘Blinking’ crystals may convert carbon dioxide into fuels
Imagine tiny crystals that "blink" like fireflies and can convert carbon dioxide, a key cause of climate change, into fuels. A team funded by the...
Covid-19 shutdown led to increased solar power output
Shutdowns in response to the Covid-19 pandemic have resulted in lowered air pollution levels around the world. Researchers at MIT, and in Germany and...
Scientists set new solar-to-hydrogen efficiency record
Researchers at The Australian National University (ANU) have achieved a new efficiency record for hydrogen cells that can convert water into hydrogen simply using...
Lasers and sticky tape triple lithium metal battery life
Researchers have turned adhesive tape into a silicon oxide film that replaces troublesome anodes in lithium metal batteries. For the Advanced Materials study, the researchers...