Battery Brew 36|单氟化氢氟烃（HFCs）电解液设计实现室温能量密度超700 Wh/kg锂金属电池

欢迎收听本期节目！关键内容提要：单氟化氢氟烃（HFCs）电解液设计，首次实现室温能量密度超700 Wh/kg、-70°C仍稳定工作的锂金属电池。采用单氟化设计（以1,3-二氟丙烷 DFP 为代表），破解传统含氧/氮溶剂“溺爱”锂离子导致的高去溶剂化能垒难题。 DFP 电解液：超低粘度（0.95 cp）、高氧化稳定性（>4.9 V）、溶解 >2 mol/L LiFSI，同时保持氟系弱配位优势。锂离子第一溶剂化层被 FSI⁻ 阴离子大量占据，形成聚集体（AGG⁺）。实现极低的去溶剂化能垒 → 超快界面动力学（-50°C 交换电流密度提升14.2倍）。传输机制从溶剂载体型转向配体交换跳跃机制，-70°C 离子电导率仍达0.29 mS/cm。形成内富无机（Li₂S、LiF）+外有机物的双层坚韧SEI，锂沉积高度均匀致密。Hydrofluorocarbon electrolytes for energydense and low-temperature batterieshttps://www.nature.com/articles/s41586-026-10210-6感谢收听！继续充电，也继续酿造好生活！#EKLBatteryBrew更多电池前沿论文&解读，探索X账号：@[EKL_Batteries](x.com)前往小宇宙评论区与主播互动

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Battery Brew 36|单氟化氢氟烃（HFCs）电解液设计实现室温能量密度超700 Wh/kg锂金属电池

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