Fig. 2. (a) Galvanostatic voltage profiles of Zn symmetric cells with 3 M ZnSO4 (red) and 3 M Zn(CF3SO3)2 (blue). (b) Ex situ SEM images and elemental mapping results of Zn deposited on Ti foil at 0.2 V vs. Zn/Zn2+ in a CV test conducted at 0.5 mV s–1 for 3 M Zn(CF3SO3)2. (a and b) Reprinted with permission from ref. 31. Copyright 2016, American Chemical Society. (c) SEM images of the Zn anode after 1000 cycles in a TEP-containing 0.5 M Zn(CF3SO3)2 electrolyte at a current density of 0.5 mA cm–2. (d) Galvanostatic voltage profiles of Zn symmetric cells with the TEP additive at 0.5 mA cm–2 and (e) plating/stripping tests on stainless steel electrodes with the TEP-containing electrolyte (left) and without TEP (right). (c–e) Reprinted with permission from ref. 33. Copyright 2019, Wiley-VCH.
