Energy & Green Tech news

Energy & Green Tech

Catalyst design boosts performance of anion-exchange-membrane fuel cells

Fuel cells are energy-conversion solutions that generate electricity via electrochemical reactions without combustion, thus not contributing to the pollution of air on Earth. These cells could power various technologies, ...

Energy & Green Tech

New alloy surpasses 2025 fuel cell performance targets

Scientists at the Daegu Gyeongbuk Institute of Science and Technology have created a fuel cell catalyst made from platinum and magnesium. The new catalyst, which uses the world's first platinum–magnesium alloy nanoparticles, ...

Energy & Green Tech

Seeing is believing: Your neighbor's choice to go solar might have influenced you more than you think

What made you decide to go solar? Was it a sober assessment of the return on investment? Did you want to cut your power bills? Did you want to do your bit on climate change?

Energy & Green Tech

Q&A: Is air conditioning a threat to Switzerland's power grid?

The elevated temperatures this summer prompted many of us to crank up the air conditioning. In Switzerland, the energy used for cooling is approaching that for heating. What does that mean for power grids?

Energy & Green Tech

Norway's electric car sales set new world record

Electric car sales in Norway took a 94-percent share of the market in August—a new world record—statistics showed Monday, as sales in the rest of Europe stagnate.

Energy & Green Tech

Developing EV battery enclosures with lower carbon emissions

More charging power, higher range, lower environmental impact: In the COOLBat joint research project, researchers from the Fraunhofer Institute for Machine Tools and Forming Technology IWU have teamed up with partners to ...

Energy & Green Tech

Pilot plant demonstrates iron-based hydrogen storage feasibility

Photovoltaics are set to meet over 40% of Switzerland's electricity needs by 2050. But solar power isn't always available when it's needed: there's too much of it in summer and too little in winter, when the sun shines less ...

Energy & Green Tech

Path to lower emissions demands a smarter grid, say researchers

Researchers at the University of Adelaide believe the global investment being made in smart metering infrastructure could fall short of fulfilling promised benefits to customers if key systems issues are not addressed.

Energy & Green Tech

New 'water batteries' stay cool under pressure

A global team of researchers and industry collaborators led by RMIT University has invented recyclable 'water batteries' that won't catch fire or explode.

Energy & Green Tech

Sodium-ion batteries: How doping works

Sodium-ion batteries still have a number of weaknesses that could be remedied by optimizing the battery materials. One possibility is to dope the cathode material with foreign elements. A team from HZB and Humboldt-Universität ...

Energy & Green Tech

Semi-transparent perovskite solar cells achieve efficiency of 21.68%

The Photovoltaics Research Department of the Korea Institute of Energy Research (KIER), working with the KIER Energy AI and Computational Science Lab, has achieved advancements in the stability and efficiency of semi-transparent ...

Energy & Green Tech

Tiny power converters that run on vibrational energy

University of California San Diego and CEA-Leti scientists have developed a ground-breaking piezoelectric-based DC-DC converter that unifies all power switches onto a single chip to increase power density. This new power ...

Energy & Green Tech

Cobalt-free electrodes achieved with nickel ions

Many electric vehicles are powered by lithium-ion batteries that rely on cobalt—a scarce, expensive metal with high environmental and social costs. A team of researchers from Japanese and French universities has now developed ...

Engineering

Wind-powered Dutch ship sets sail for greener future

The world's first chemical tanker ship fitted with massive rigid aluminum "sails" has left Rotterdam, its owner hoping to plot a route to bringing down the shipping industry's huge carbon footprint.