Stability of poly(vinylidene fluoride-co-hexafluoropropylene)-based composite gel electrolytes with functionalized silicas

Synthesis of SiO2 nanopowders containing quartz and cristobalite phases from silica sands

“…Besides, other potential applications of silica nanoparticles are in areas of pigment production, pharmaceutical and catalyst industries [3]. Silica can also be applied for reinforcing polymer composites in coatings for corrosion protection and plastic bags [4], composite polymer gel electrolytes [5,6], thermoplastic polymers [7], and volatile flavor compounds [8]. * E-mail: munasir09@mhs.physics.its.ac.id Chemical processes, such as extractions, purifications, and syntheses of SiO 2 nanoparticles based on natural materials have been widely conducted.…”

Ion transport and ion–filler-polymer interaction in poly(methyl methacrylate)-based, sodium ion conducting, gel polymer electrolytes dispersed with silica nanoparticles

“…In order to improve their performance characteristics, various approaches have been adopted including the dispersion of micro-or nano-sized ceramic fillers (e.g., Al 2 O 3 , TiO 2 , SiO 2 , BaTiO 3 , etc.) to form composite/nanocomposite gel polymer electrolytes [11][12][13][14][15][16][17][18][19][20][21][22]. Such fillers have been incorporated into gel electrolytes to preserve a porous structure that maximizes the adsorption of liquid electrolyte [23] and to reduce the risk of leakage [11,24,25].…”

Dispersion of silica nanoparticles bearing perfluorohexyl units into fluorinated copolymers

“…As expected, the virgin or bare silica (SiO 2 ) has a poor dispersion and the presence of clusters of variable size is easily observable. However, the use of silica bearing vinyl groups (S 150 ) made it possible a first improvement of the filler's dispersion as reported by Walkoviak et al 4 and Song et al 39 But, the use of modified nanoparticles, i.e. after grafting with C 6 F 13 -I et C 6 F 13 -C 2 H 4 -SH, seemed to lead to the best results regarding the filler dispersion in both fluorinated matrices.…”

“…3 In this context, the surface modification of silica by vinyl groups was reported to improve the dispersion of particles within the matrix. 4 In general, the addition of silica nanoparticles in a poly(VDF-co-HFP) matrix increases both corrosion resistance 5 and degradation temperature. [5][6][7] It also induces a reorganization of polymeric chains resulting in the decrease of crystallinity [8][9][10][11] and an increase of the mechanical properties.…”