Abstract
A polypyrrole-intercalated layered manganese oxide nanocomposite (PPy-MnO 2 ) has been synthesized by a delamination/ reassembling process. X-ray diffraction analysis shows that the basal spacing of the PPy-MnO 2 nanocomposite is 1.38 nm. The room-temperature conductivity of the PPy-MnO 2 nanocomposite is found to be 1.3 × 10 -1 S/cm, which is 4-5 orders of magnitude higher than that of the pristine manganese oxide (6.1 × 10 -6 S/cm). The improved specific capacitance of the PPy-MnO 2 nanocomposite (290 F/g) compared with that of the pristine manganese oxide (221 F/g) is attributed to a combination of the conductivity effect and the high specific capacitance of PPy.
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