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A research team headed by Professor Hu Fangyuan from the School of Materials Science and Engineering at Dalian University of Technology has made significant strides in the realm of low-temperature quasi-solid lithium-sulfur batteries. This groundbreaking work addresses the critical challenges of hindered ion transport and heightened desolvation energy barriers that plague lithium-sulfur batteries at low temperatures. The team has ingeniously designed a dynamically migrating-dragging polymer electrolyte, leveraging borate dynamic covalent bonds and polar side chains to reconstruct the lithium-ion solvation structure. This innovative approach not only lowers the desolvation energy barrier but also accelerates the conversion of polysulfides, enabling high-capacity and stable cycling of lithium-sulfur batteries even in cold conditions.
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