fig6

Figure 6. Rotation and transformation of liquid metal in the solution after consuming aluminum. (A) Experimental case of rotating liquid metal droplet after consuming aluminum, reproduced with permission from Sheng et al.[39]. (B) Schematic for rotating liquid metal droplet after consuming aluminum and generated magnetic field. (C) Measured average voltage and electrical current on self-fueled liquid metal and electrolyte, reproduced with permission from Zhang et al.[30].