Energy & Green Tech news

Business

Carbon capture more costly than switching to renewables, researchers find

For most countries around the world, sourcing energy entirely from wind, solar, geothermal, and hydropower by 2050 would reduce their energy needs and costs, improve air quality, and help slow climate change, according to ...

Energy & Green Tech

Mini flow battery speeds energy storage research

Sometimes, in order to go big, you first have to go small. That's what researchers at the Department of Energy's Pacific Northwest National Laboratory have done with their latest innovation in energy storage.

Energy & Green Tech

Hybrid battery design: Lithium-hydrogen system offers high energy density

A research team from the University of Science and Technology of China has introduced a new chemical battery system which utilizes hydrogen gas as the anode. Their study is published in the Angewandte Chemie International ...

Energy & Green Tech

Quantifying the 'hydrogen economy': Study finds relatively small, but critical, role for decarbonization

An international team of researchers have quantified the role of the "hydrogen economy" in making our society more sustainable. In a paper in Nature Communications, they present the results of extensive modeling of pathways ...

Energy & Green Tech

China's 2024 coal projects threaten climate goals: report

China began construction last year on projects with the greatest combined coal power capacity since 2015, jeopardizing its goal to peak carbon emissions by 2030, according to a report published on Thursday.

Energy & Green Tech

Next-gen solar cells now fully recyclable with water-based method

In a study published in Nature, researchers at Linköping University have developed a method to recycle all parts of a solar cell repeatedly without environmentally hazardous solvents. The recycled solar cell has the same ...

Engineering

Engineers identify key obstacle to longer-lasting batteries

Lithium nickel oxide (LiNiO2) has emerged as a potential new material to power next-generation, longer-lasting lithium-ion batteries. Commercialization of the material, however, has stalled because it degrades after repeated ...

Energy & Green Tech

Chemical looping turns environmental waste into fuel

Turning environmental waste into useful chemical resources could solve many of the inevitable challenges of our growing amounts of discarded plastics, paper and food waste, according to new research.

Energy & Green Tech

DeepSeek breakthrough raises AI energy questions

Having shattered assumptions in the tech sector and beyond about the cost of artificial intelligence, Chinese startup DeepSeek's new chatbot is now roiling another industry: energy companies.