Chem. Sci., 2026, Accepted Manuscript DOI: 10.1039/D6SC03512D, Edge Article Thanitsavat Sirirat, Sukritta Janprakhon, Nattanon Joraleechanchai, Surat Prempluem, Salatan Duangdangchote, Montree Sawangphruk Fluorinated carbonate additives are widely employed to stabilize electrolytes for high-energy lithium-ion batteries (LIBs), yet the interplay between fluorination degree, molecular geometry, and lithium-ion (Li⁺) solvation remains poorly understood. It...