Capacitive Organic Anode Based on Fluorinated-Contorted Hexabenzocoronene: Applicable to Lithium-Ion and Sodium-Ion Storage Cells.

ABSTRACT: Conducting polymer-based organic electrochemical capacitor materials have attracted attention because of their highly conductive nature and highly reversible redox reactions on the surface of electrodes. However, owing to their poor stabilities in aprotic electrolytes, alternative organic electrochemical capacitive electrodes are being actively sought. Here, fluorine atoms are introduced into contorted hexabenzocoronene (cHBC) to achieve the first small-molecule-based organic capacitive energy-storage cells that operate at high current rates with satisfactory specific capacities of ≈160 mA h g^-1 and superior cycle capabilities (>400) without changing significantly. This high capacitive behavior in the P2₁/c crystal phase of fluorinated cHBC (F-cHBC) is caused mainly b

SUBMITTER: Park J 

PROVIDER: S-EPMC6299712 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature