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Flotation process recovers nearly 100% of silver during solar panel recycling

Australia's growing mountain of solar panel waste could become far more valuable, with University of Newcastle researchers taking a major step toward making solar panel recycling economically sustainable. The team has successfully scaled up a process that recovers valuable silver from end-of-life solar panels, demonstrating almost 100% silver recovery during the world's first continuous pilot-scale flotation trial for solar-panel recycling.

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Neutral salt layer could address one of perovskite solar cells' biggest drawbacks

One of the most promising technologies is perovskite solar cells. They are highly efficient at converting sunlight into electricity, can be manufactured as thin and flexible devices, and require less energy and lower production costs than conventional silicon modules. However, their commercial adoption has long been limited by a fundamental challengeβ€”insufficient long-term stability when exposed to moisture, heat and oxygen.

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Not all clean power cuts emissions equally: Timing and location determine impact

On paper, a megawatt-hour is just a megawatt-hour; it will charge your phone or run your dishwasher the same way, regardless of the source. However, its value to, or impact on, the environment is not fixed. It depends almost entirely on what power plant it replaces. A new wind turbine only helps the climate and local air quality to the extent that it pushes a more polluting plant offline. If instead it is just competing with another clean energy source, the environmental benefit effectively disappears.

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Low-power AI chip cuts drone identification energy use by 88.7%

Doyeon Kim, an undergraduate researcher in the Department of Electronic and Electrical Engineering, has published a paper in an academic journal. The research focuses on implementing drone artificial intelligence (AI) identification technology through low-power semiconductors. This study could dramatically improve the battery efficiency of systems that monitor unauthorized drones in real time in military and industrial environments. The research is published in the journal IEEE Transactions on Industrial Informatics.

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Paste-and-laser strategy helps TOPCon solar cells reach 26.31% certified efficiency

Improving the efficiency of solar cells is key to reducing the cost of solar power. Now, scientists have developed a new synergistic metallization strategy for tunnel oxide passivated contact (TOPCon) solar cells. The approach achieved a certified power conversion efficiency (PCE) of 26.31%, among the highest reported for this technology.

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Silver-containing zeolite offers new route for separating fusion fuel isotopes

Fusion power plants of the future will not only require extremely hot plasmas and strong magnetic fields but also a fuel cycle in which the hydrogen isotopes deuterium and tritium can be recovered, separated and reused. Together with partners, a team from HZDR has now demonstrated a highly efficient method for separating hydrogen isotopes using a silver-containing zeolite.

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Neutrons reveal how friction stir welding could strengthen steel armor | ORNL

Using neutrons at the Department of Energy's Oak Ridge National Laboratory, researchers from The Ohio State University are studying residual stress caused by friction stir welding (FSW) to reveal how to strengthen armor steel welds, like those used in military vehicles. Their findings were published in the Journal of Materials Processing Technology.

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Ultraprecise battery scan maps nanoscale electrode thickness variations to improve EV fire safety

A KAIST research team has developed a method capable of detecting minute variations in battery electrode thickness that can contribute to thermal runaway with a precision equivalent to approximately one ten-thousandth of the diameter of a human hair, all without disassembling or damaging the battery. The technology is expected to improve battery safety and quality by identifying invisible defects during the manufacturing process.

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Tracking ion movement in porous carbon electrodes to boost energy storage and water desalination

A new study by researchers from Leipzig University, Friedrich Schiller University Jena and the University of Cambridge has revealed how ions move and exchange within complex porous carbon electrodes. These electrodes play a key role in high-performance energy storage, water desalination, gas storage and other electrochemical technologies.

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