fig3

Figure 3. (A) Schematic illustration of the different redox reactions between Li-S and Li-SPAN batteries. Reproduced from Ref.^[81] with permission. Copyright 2021 Royal Society of Chemistry. (B) Electrochemical performance of SPAN-based cathode material at 50 °C using a LE or GPE at different C-rates and long cycles. Reproduced from Ref.^[83] with permission. Copyright 2019 Cell Press. (C) Different electrochemical processes depending on the S content in the organosulfur structure. Reproduced from Ref.^[85] with permission. Copyright 2020 Royal Society of Chemistry. (D) Long cycling performance for recently developed fluorinated organosulfur quinone at 0.5 C. Reproduced from Ref.^[86] with permission. Copyright 2019 American Chemical Society.