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- W2889764165 abstract "Designing and fabricating the electrochemical active materials with outstanding electrochemical performance is crucial for supercapacitors in applications of energy storage devices. In this study, a structure of ultrathin manganese dioxide (MnO2) nanosheets deposited on the surface of mesoporous carbon hollow spheres (MCHSs) is designed and fabricated through a simple method. MCHSs are served as both substrate materials for growth of MnO2 nanosheets and electrical conductive layer for improving the poor electrical conductivity of MnO2, thus obtaining MCHS/MnO2 with good electrochemical performance. What’s more, the synergy of pseudocapacitance and electrical double-layer capacitance (EDLC) in asymmetrical configuration plays a crucial role in enhancing energy density of assembled supercapacitors. The obtained results exhibit that asymmetrical MCHS/MnO2//MCHS supercapacitor displays large specific capacitance (116.4 F/g at 0.1 A/g) and superior cycling stability (90.3% of capacitance retention after 6000 c..." @default.
- W2889764165 created "2018-09-27" @default.
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- W2889764165 date "2018-10-01" @default.
- W2889764165 modified "2023-10-16" @default.
- W2889764165 title "Ultrathin Manganese Dioxide Nanosheets Grown on Mesoporous Carbon Hollow Spheres for High Performance Asymmetrical Supercapacitors" @default.
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- W2889764165 doi "https://doi.org/10.1021/acsaem.8b01022" @default.
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