Sintesis Elektrolit Hidrogel Lignosulfonat-Poli(Asam Akrilat)-Asam Fitat yang Bersifat Self-Healing dan Elektroda Lignosulfonat-Polianilin serta Aplikasinya untuk Superkapasitor = Synthesis of Self-Healable Lignosulfonate-Poly(Acrylic Acid)-Phytic Acid Hydrogel Electrolyte and Lignosulfonate-Polyaniline Electrode and Their Application for Supercapacitor