fig15

Figure 15. SEM images and digital photos for sodium metal electrodes of Na||Na symmetric cells after 50 cycles at 1 mA cm^-2,1 mAh cm^-2. (A-C) NaClO₄ EC/PC + 5 wt% FEC, (D-F) NaOTf/TEGDME (G-I) NaBH₄/DEGDME (Reproduced with permission^[131]. Copyright 2022, The Royal Society of Chemistry).