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In this paper, MnO2 nanoplates loading on biomass-derived cross-linked carbon nanosheets have been prepared by a two-step synthesis. At first, the cross-linked carbon nanosheets derived from willow catkin are synthesized by one-step pyrolysis and activation method, then the MnO2 anchored cross-linked carbon nanosheets is prepared via in-situ hydrothermal deposition. The asymmetric supercapacitor with...
Large reversible capacitance and rapid rate capability are crucial to the realization of the manganese dioxide (MnO2) based electrode material but have been proved to be challenging to achieve due to the poor electronic conductivity of MnO2. Herein, the N-CNTs/MnO2 composites are prepared by using PPy-derived nitrogen-doped carbon nanotubes (N-CNTs) as the support frameworks to load nanosized MnO2...
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