Energy & Green Tech news

Energy & Green Tech

Perovskite solar cells tested for real-world performance—in the lab

It was only ten years ago that metal-halide perovskites were discovered to be photovoltaic materials. Today, perovskite solar cells are almost as efficient as the best conventional silicon ones, and there is much hope that ...

Energy & Green Tech

'Self-healing' polymer brings perovskite solar tech closer to market

A protective layer of epoxy resin helps prevent the leakage of pollutants from perovskite solar cells (PSCs), according to scientists from the Okinawa Institute of Science and Technology Graduate University (OIST). Adding ...

Energy & Green Tech

Magnetism: An unexpected push for the hydrogen economy

Humankind has entered uncharted territory: atmospheric CO2 levels have soared to a record-breaking 415 ppm for the first time in human history. The need to find a sustainable alternative to CO2-producing fuels is urgent. ...

Energy & Green Tech

Light energy and biomass can be converted to diesel fuel and hydrogen

A research group led by Professor Wang Feng at the Dalian Institute of Chemical Physics of the Chinese Academy of Sciences recently developed a method to produce diesel fuel and hydrogen by exploiting light energy (solar ...

Energy & Green Tech

How to speed up the discovery of new solar cell materials

A broad class of materials called perovskites is considered one of the most promising avenues for developing new, more efficient solar cells. But the virtually limitless number of possible combinations of these materials' ...

Energy & Green Tech

Pioneering 3-D printed device sets new record for efficiency

A new 3-D printed thermoelectric device, which converts heat into electric power with an efficiency factor over 50% higher than the previous best for printed materials—and is cheap to produce in bulk—has been manufactured ...

Energy & Green Tech

Floating power plants

Paper, tin cans, glass—the world recycles as much as possible. So why not declare the greenhouse gas carbon dioxide (CO2) a recycling product as well? Liquid fuels based on carbon will continue to play an important role ...

Energy & Green Tech

New organic flow battery brings decomposing molecules back to life

After years of making progress on an organic aqueous flow battery, Harvard University researchers ran into a problem: the organic anthraquinone molecules that powered their ground-breaking battery were slowly decomposing ...