fig3

Figure 3. Electrolyte additives regulate SEI for dendrite-inhibited SMAs. (A) Diagram of SEI layer formed in TMP/FEC-E with or without DTD. Reproduced with permission from^[46]. Copyright 2021, Elsevier. (B) Diagram of C₆₀(NO₂)₆-affected Na anode. Reproduced with permission from^[82]. Copyright 2021, Elsevier. (C) Diagram of Na₂S₆ additive- and Na₂S₆-NaNO₃ co-additive-affected Na anode. Reproduced with permission from^[55]. Copyright 2018, Wiley-VCH. (D) Simulation of Na⁺ concentrations and deposition structures of Na metal anodes in the SEI layer. Reproduced with permission from^[83]. Copyright 2020, The Royal Society of Chemistry. (E) Interfacial environment in the electrolyte with cation additives. (F) In situ optical microscopic observations of Na deposition on copper wire in 1.00 M NaPF₆ DME and 1.00 M NaPF₆ + 0.50 M LiPF₆ DME. Reproduced with permission from^[84]. Copyright 2018, Cell Press. SEI: Solid electrolyte interphase; SMAs: sodium metal anodes.