fig4

Figure 4. (A) Viscosity, ionic conductivity and t₊ of electrolytes with different ratios. Reproduced with permission^[19]. Copyright 2013, Springer Nature; (B) Raman characterization of solvation structure of PVHLi-x. Reproduced with permission^[26]. Copyright 2021, WILEY-VCH; (C) The measurement of t₊ of PVHLi-1.1. Reproduced with permission^[26]. Copyright 2021, WILEY-VCH; (D) The schematic diagram of Li⁺ ion transport pathways in PISSEs. Reproduced with permission^[26]. Copyright 2021, WILEY-VCH. PISSEs: Polymer-in-salt electrolytes.