Graphene-Polymer Nanocomposites and Roll-to-Roll (R2R) Compatible Flexible Solid-State Supercapacitor Based on Graphene Nanoplatelets and Ionic Liquid-Polymer Gel

نویسندگان

چکیده

We present the electrical and supercapacitive performance of graphene nanoplatelets in polymer nanocomposites flexible solid state double layer capacitors (EDLC) respectively. Graphene-doped poly (3,4-ethylenedioxythiophene) (PEDOT) coated polyethylene terephthalate (PET) glass exhibited transmittance above 95% conductivity 2.70 × 10ˉ1 S·cmˉ1 9.01 Graphene loaded polymethyl methacrylate (PMMA) polystyrene (PS) showed as high 2.11 at low loadings 2 wt%. The use was necessitated by need to increase EDLC capacitance energy density since it provides effective surface area. gel membrane made from polyvinylidene fluoride-co-hexafluoropropylene (PVDF-co-HFP) Ionic Liquid (IL) 1-butyl-3-methylimidazolium hexafluorophosphate porosity which suitable for separator EDLC. highest recorded specific 133.82 F/g can be attributed IL containing PVDF-co-HFP large area electrodes. At an operating voltage 3.5 V found 56.92 Wh·Kgˉ1. All chemicals were research grade obtained Sigma Aldrich.

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ژورنال

عنوان ژورنال: Graphene

سال: 2022

ISSN: ['2169-3439', '2169-3471']

DOI: https://doi.org/10.4236/graphene.2022.111001