Progress of Biomaterials Applications in Supercapacitors

Biomass materials with intriguing structural-chemical features (porous network, and incorporated chemically diverse species into carbon matrix, endowed with ample amount of interacting surface sites) ensure an economically feasible and environmentally benign platform for promising electrochemical energy storing technologies. Numerous recent studies have assured remarkable performances of green materials as biopolymers and hierarchical porous carbons. Herein, we summarize the latest trend of this field, showing new insights into all green Supercapacitor charge storing devices. By considering the aspects of carbonaceous host, separator materials, bio-polymer gel like electrolytes, bio-inspired designing of electrode catalysts, and self-healable device performances. This article is intended to provide a comprehensible in-depth understanding of green materials based Supercapacitors. Finally, some valuable future directions are recommended to make their implementations possible with great accuracy.