Figure 6

(a) Schematic illustration for the solar evaporation measurement system; (b) Water mass change versus time for CFQC based evaporators under one sun; (c) Time versus evaporation rate of CFQC based evaporators; (d) Durability of the Zn-CFQC evaporator; (e) Li+ content in condensed water collected with and without Zn-CFQC evaporator. Figure (a) was drawn by Jie Yang.