Energy & Green Tech news
Energy & Green Tech
A new approach to boost the efficiency of non-fused ring electron acceptor solar cells
The power-conversion efficiencies (PCEs) of organic solar cells based on compounds known as polymer donors and fused ring electron acceptors (FREAs) have recently exceeded 19%. In contrast, organic solar cells based on non-fused ...
18 hours ago
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Energy & Green Tech
Researchers move closer to green hydrogen via water electrolysis
Water electrolysis offers an ideal process for hydrogen production, which could play a key role in the global energy transition that increasingly relies on renewable electricity, but whose current production process is extremely ...
16 hours ago
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Offshore wind turbines offer path for clean hydrogen production
Using electricity generated by offshore wind turbines as one pathway to split water to produce clean hydrogen may make economic sense, particularly along the U.S. Atlantic Coast and in the Gulf of Mexico, according to researchers ...
13 hours ago
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Improving cycling performance of sodium-ion batteries through titanium substitution
Researchers at Songshan Lake Materials Laboratory have made significant advances in sodium-ion battery (SIB) technology by improving cycling performance of the NaNiO2 cathode. The work has been published in the online edition ...
14 hours ago
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Battery innovation could boost power delivery for electric aircraft
A battery component innovation could help keep power delivery high when electric aircraft land with low charge, according to a study led by Lawrence Berkeley National Laboratory with expertise from the University of Michigan.
Jul 11, 2024
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Energy & Green Tech
Study finds health risks in switching ships from diesel to ammonia fuel
As container ships the size of city blocks cross the oceans to deliver cargo, their huge diesel engines emit large quantities of air pollutants that drive climate change and have human health impacts. It has been estimated ...
Jul 11, 2024
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Energy & Green Tech
Using sodium to make more sustainable batteries
The element lithium is used widely in batteries because it results in long-lasting, stable energy storage. However, it's a finite resource, so researchers are hard at work trying to identify alternate materials to use in ...
Jul 11, 2024
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Energy & Green Tech
Hydrogen flight looks ready for take-off with new advances
The possibility of hydrogen-powered flight means greater opportunities for fossil-free travel, and the technological advances to make this happen are moving fast. New studies from Chalmers University of Technology, in Sweden, ...
Jul 11, 2024
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Energy & Green Tech
Library of operating data enables analysis of complex electric grid
Researchers at Oak Ridge National Laboratory have opened a new virtual library where visitors can check out waveforms instead of books.
Jul 11, 2024
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Engineering
Satellite oversight: Ensuring Europe's renewable energy security from above
Researchers are using AI and satellite technologies to make the continent's renewable energy infrastructure more reliable.
Jul 11, 2024
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Business
AI supercharges data center energy use, straining the grid and slowing sustainability efforts
The artificial intelligence boom has had such a profound effect on big tech companies that their energy consumption, and with it their carbon emissions, have surged.
Jul 11, 2024
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Energy & Green Tech
China building more wind, solar capacity than rest of world combined: report
China is building almost twice as much wind and solar energy capacity as every other country combined, research published Thursday showed.
Jul 11, 2024
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Energy & Green Tech
DWP ratepayer advocate predicts fee increases, recommends delaying city's 100% clean energy timeline
Los Angeles residents and businesses will face higher electric bills as the Department of Water and Power transitions to 100% clean energy, according to a report by the city's Office of Public Accountability.
Jul 11, 2024
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Electronics & Semiconductors
Promising material for solar energy gets its curious boost from entropy, researchers show
Solar energy is critical for a clean-energy future. Traditionally, solar energy is harvested using silicon—the same semiconductor material used in everyday electronic devices. But silicon solar panels have drawbacks: for ...
Jul 10, 2024
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Energy & Green Tech
Photoelectron spectroscopy analysis shows how solid-state batteries degrade
Solid-state batteries have several advantages: They can store more energy and are safer than batteries with liquid electrolytes. However, they do not last as long and their capacity decreases with each charge cycle. But it ...
Jul 10, 2024
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Energy & Green Tech
Single-crystal synthesis technology enhances durability of lithium secondary batteries
A research team has recently demonstrated a single-crystal synthesis technology that significantly extends the lifespan of cathode materials for electric vehicles. This research was published in the online edition of ACS ...
Jul 10, 2024
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Energy & Green Tech
Physicists extend lifespan of perovskite solar cells
Silicon dominates the current commercial solar cell industry, offering an attractive combination of low cost, high efficiency and long lifespan.
Jul 10, 2024
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