In this study. a new composite electrode of palladium (Pd) nanoparticles dispersed on polypyrrole-reduced graphene oxide (PPy-rGO) loaded on foam-nickel was achieved by galvanostatic method. Characterization of structures. morphology and crystallinity of the synthesized materials were investigated by scanning electron microscopes (SEM). https://herbsdailyes.shop/product-category/sytrinol/