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Engineering  |  FURI

Yan Dou

Hometown: Handan, Hebei, China | Graduation Date: Spring 2021
Materials science and engineering

Fabricate Holey Structure to Improve Capacitive Performance of Graphene

Mentor:
Research Theme: Energy
MORE: Spring 2020

Drilling nanosized holes on the graphene basal plane can improve its capacitance and create an efficient ion transport pathway. To take advantage of this effect, the holey graphene-based electrode was be fabricated successfully by microwave-assisted chemical etching and the microstructure of nanosized holes was observed by SEM. Using the cyclic voltammetry(CV), galvanostatic charge/discharge(GCD) test, it was found that the nanosized holes can improve the electrochemical performance. Through the project, a high energy density holey graphene-based electrode was designed, which can open up exciting opportunities for mobile power supply in diverse applications.

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