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A flexible graphene (GN)-based film has been prepared by flow-directed assembly from a complex dispersion of GN and mesoporous carbon nanosphere (MCS) functionalized with poly dimethyl diallyl ammonium chloride. Morphology analysis displays that the presence of MCS has effectively prevent the restacking of individual GN sheets, favoring electrolyte ions easier access to the surfaces of GNs in forming...
A free-standing, totally flexible and light-weight manganese dioxide/carbon fiber cloth electrode has been simply and cost-effectively fabricated by direct reduction of permanganate. The nano-scaled MnO 2 film, being in physical contact with the carbon fiber substrate, provides an enhancement of the kinetics and mechanical flexibility. The electrochemical stability is improved due to the efficient...
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