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Direct lithium extraction from spent batteries for efficient lithium recycling

Recently, the research findings of Professor Xie’s group (Huazhong University of Science and Technology) were published in Science Bulletin. This study proposed a simple, efficient, and low-energy chemical leaching strategy, utilizing a lithium extraction solution composed of polycyclic aromatic hydrocarbon reagents and ether solvents to directly extract active lithium from retired batteries.

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Building energy efficiency: Enhancing HVAC fault detection with transformer and transfer learning

Heating, ventilation, and air conditioning (HVAC) systems, a critical component of building energy consumption, are prone to faults that can reduce their efficiency. Traditional data-driven fault detection and diagnosis (FDD) models often suffer from limited generalizability, making their application across diverse systems challenging.

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Team shows ion-induced field screening is a dominant factor in the operational stability of perovskite solar cells

Researchers from the University of Potsdam, together with colleagues from other universities, have shown that ion-induced field screening is a dominant factor in the operational stability of perovskite solar cells. Their findings, published in the journal Nature Energy, lay the foundation for new strategies to improve the lifetime of the next-generation solar cells.

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