Polyvinylidene fluoride (PVDF) materials have been widely investigated as polymer matrix for solid polymer electrolytes (SPEs) due to their high dielectric constant, electroactive effect (piezo-, pyro-, and ferroelectricity), and excellent thermal stability. However, the poor interface compatibility caused by highly reactive residual solvents and unsatisfactory ionic conductivity owing to sluggish Li transport kinetics are principal bottlenecks impeding the further development of PVDF-based electrolytes. Herein, we design a PVDF-based electrolytes with the assistance of hydrophilic-amorphous silica (HA-SiO).
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