Energy & Green Tech news

Engineering

Engineering approach can improve stability of perovskite solar cells under reverse bias conditions

Solar cells based on perovskites, a versatile class of materials with promising optoelectronic properties, are gradually making their way toward commercialization. While these solar cells can have notable advantages over ...

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 ...

Business

Q&A: China's interests in Africa are being shaped by the race for renewable energy

China-Africa relations have deepened over the past two decades, characterized by increased economic cooperation, investment and infrastructure development. China is now Africa's largest trading partner, with partnerships ...

Engineering

Aluminum foil that can clean water—researchers develop coating that attracts and traps dangerous microbes

More than 2 billion people around the world do not have access to safe, uncontaminated drinking water. Around 418 million of them live in African countries.

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

Switzerland reopens door for new nuclear power plants

Switzerland said Wednesday it was open to building new nuclear power stations in the long term, given new geopolitical uncertainties, climate targets and population growth boosting the demand for electricity.

Business

EPA says its new strict power plant rules will pass legal tests

The EPA on Thursday announced a series of actions to address pollution from fossil fuel power generators, including a final rule for existing coal-fired and new natural gas-fired plants that will eventually require them to ...

Energy & Green Tech

New insights lead to better next-gen solar cells

For Michael Saliba and Mahdi Malekshahi, it was one of those moments in science when good experimental results raised more questions. The University of Stuttgart researchers recently developed a new process to make solar ...

Energy & Green Tech

Storing and utilizing energy with innovative sulfur-based cathodes

Electric vehicles and portable electronic devices such as laptops and mobile phones are unthinkable without lithium-ion batteries. The problem is highly toxic materials such as cobalt are often used for the cathodes of these ...

Energy & Green Tech

Salt battery harvests osmotic energy where the river meets the sea

Estuaries—where freshwater rivers meet the salty sea—are great locations for birdwatching and kayaking. In these areas, waters containing different salt concentrations mix and may be sources of sustainable, "blue" osmotic ...

Energy & Green Tech

New survey finds positive perceptions of solar projects

As solar energy development accelerates, how do Americans actually feel about those large scale solar, or LSS, farms they see along the highway or near their neighborhood? A new survey has found that for residents living ...

Engineering

Extracting high-purity gold from electrical and electronic waste

Korea relies on imports for most of its metal resources, and in recent years, due to resource depletion and rising raw material prices, 'circular resources' that recycle waste metal resources have emerged. In response, SK ...