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- W2902571119 abstract "Abstract Clean and sustainable energy storage is of increasing demands due to uncontrolled fossil fuel depletion and rapid global economy growth. At the same time, low cost and environmental-friendly electrode materials are desirable to speed up industrial smart device fabrication. We constructed high-energy supercapacitor with the electrode of ruthenium and manganese oxide nanoparticles (RM NPs) loaded reduced graphene oxide (RGO). Simultaneous preparation of high capacitive metal oxide nanoparticles on graphene allows low chemical consumption, while favorable reaction temperature, short reaction time and simple methodology open a way for the production. Physico-chemical characterization was carried out to analyze the nanostructure and chemical composition of the nanocomposites. Experimental results highlighted: 2–10 nm oxide nanoparticles were uniformly decorated on 2D-nanosheets of RGO. RM NPs enlarged RGO inter layers, giving enriched micro- and meso-pores. While assembling the nanocomposites as symmetric supercapacitor electrodes in 0.5 M KOH, they delivered a high capacitance of 641 F g−1 and energy density of 22.26 Wh kg−1 and retain initial capacitance over 1000 cycles. The excellent performance and robust stability demonstrate that the metal oxide loaded graphene composites allow us to develop highly efficient and low cost metal-based supercapacitors." @default.
- W2902571119 created "2018-12-11" @default.
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- W2902571119 date "2019-04-01" @default.
- W2902571119 modified "2023-10-18" @default.
- W2902571119 title "Nanoporous ruthenium and manganese oxide nanoparticles/reduced graphene oxide for high-energy symmetric supercapacitors" @default.
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- W2902571119 doi "https://doi.org/10.1016/j.carbon.2018.11.073" @default.
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