fig10
Figure 10. (A) Discharge/charge profiles of Mg-air batteries in (PhMgCl)4-Al(OPh)3/THF electrolyte under 25 ℃[12]. (B) SEM images of first discharge products (a), higher magnification of the first discharge products (b) and SEM images of the air electrode after its first charge process (c), higher magnification of the residual product after the first charge process (d)[12]. (C) Calculated free energy diagram of different reaction paths of Mg-air batteries[16]. Reproduced from Refs.[12,16] with permission from the American Chemical Society.