Engineering the Membrane/Electrode Interface To Improve the Performance of Solid-State Supercapacitors
By Huang, Chun; Zhang, Jin; Snaith, Henry J.; Grant, Patrick S.
Published in ACS Applied Materials & Interfaces
NULL
2016
Abstract
This paper investigates the effect of adding a 450 nm layer based on porous TiO2 at the interface between a 4.5 ?m carbon/TiO2 nanoparticle-based electrode and a polymer electrolyte membrane as a route to improve energy storage performance in solid-state supercapacitors. Electrochemical characterization showed that adding the interface layer reduced charge transfer resistance, promoted more efficient ion transfer across the interface, and significantly improved charge/discharge dynamics in a solid-state supercapacitor, resulting in an increased areal capacitance from 45.3 to 111.1 mF cm
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