Scientists Identify Oxygen Trapping Weakens Sodium-Ion Battery Performance

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1 month ago

November 8, 2025

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Researchers have identified oxygen trapping in high-sodium cathodes as the main cause of voltage decay. Using EPR spectroscopy, the team uncovered structural changes and trapped O2 accumulation, providing guidance for designing more stable sodium-ion batteries for electric vehicles and energy storage.

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ESA Telescopes Capture Ultra-Fast Winds Blasting From Distant Supermassive Black Hole

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5 hours ago

December 11, 2025

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Astronomers have witnessed an extraordinary black hole outburst in the galaxy NGC 3783, where material was blasted into space at nearly 20% the speed of light. Triggered by an intense X-ray flare, the ultra-fast winds reveal how supermassive black holes can violently shape their surroundings and influence the evolution of entire galaxies.

Science

China Launches Three Long March Rockets in Under 19 Hours, Setting New National Record

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5 hours ago

December 11, 2025

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China made spaceflight history by launching three Long March rockets within just 19 hours, setting a national record. The missions expanded broadband satellite networks and deployed new military and communications spacecraft, highlighting the country’s rapidly growing launch capabilities and ambitious space expansion efforts.

Science

New Carbon-Titanium Composite Dramatically Improves Lithium-Sulfur Batteries

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5 hours ago

December 11, 2025

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Researchers in South Korea have developed a carbon-titanium composite that significantly enhances the performance of lithium-sulfur batteries. By embedding titanium monoxide nanoparticles into nitrogen-doped porous carbon, the team created a honeycomb electrode that improves conductivity, stabilizes sulfur, and prevents energy-sapping chemical losses. The new design d…