Activated Biomass-derived Graphene-based Carbons for Supercapacitors with High Energy and Power Density.

ABSTRACT: Here, we present a facile and low-cost method to produce hierarchically porous graphene-based carbons from a biomass source. Three-dimensional (3D) graphene-based carbons were produced through continuous sequential steps such as the formation and transformation of glucose-based polymers into 3D foam-like structures and their subsequent carbonization to form the corresponding macroporous carbons with thin graphene-based carbon walls of macropores and intersectional carbon skeletons. Physical and chemical activation was then performed on this carbon to create micro- and meso-pores, thereby producing hierarchically porous biomass-derived graphene-based carbons with a high Brunauer-Emmett-Teller specific surface area of 3,657 m²g^-1. Owing to its exceptionally high surfac

SUBMITTER: Jung S 

PROVIDER: S-EPMC5789836 | biostudies-literature | 2018 Jan

REPOSITORIES: biostudies-literature