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- W4235152318 abstract "Mass production of highly active graphite felt (GF) electrode is necessary to attain high power density and energy efficiency, which is essential to reduce the cost and enable the extensive industrial application. Herein, for the first time, we report a rapid and scalable electrochemical exfoliation of the GF in aqueous solution by breaking the weak van der Waals forces between the greaphitic layers through anion intercalation. The expansion of the graphite layers creates a distinctive layer by layer structure and introduces sufficient functional groups that intensifies the abundance of electrochemically active surface area resulting enhanced kinetics at the electrode-electrolyte interface and improved wettability enabling better electrolyte accessibility. Consequently, a rapid and reversible redox reactions with minimized overpotential and high volumetric capacity was achieved. In addition, the exfoliated GF (E-GF) electrode deliver voltage and energy efficiencies of 98.53 and 90.96 % at 40 mA cm-2 and 61.86 and 52.90 % at a high current density of 200 mA cm-2, individually. Compared to the traditional GF treatment method, by eliminating the high temperature and high energy consuming synthesis processes, our approach of electrochemical exfoliation is much faster and energy efficient. These results suggest the enormous potential of the exfoliated GF owing to its excellent electrochemical activity combined with its rapid, facile, and scalable nature." @default.
- W4235152318 created "2022-05-12" @default.
- W4235152318 date "2019-01-01" @default.
- W4235152318 modified "2023-09-24" @default.
- W4235152318 title "Scalable and Efficient Electrochemical Exfoliation of Graphite Felt As High-Performance Flow Battery Electrode" @default.
- W4235152318 doi "https://doi.org/10.1149/ma2019-01/3/425" @default.
- W4235152318 hasPublicationYear "2019" @default.
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