Citation:
DAN Yuanyuan, ZHANG LI, CAO Chunji, CHEN Jingjing. Mild Aqueous Synthesis and the Capacitance Performance of Nano Manganous Manganic Oxide[J]. Chinese Journal of Applied Chemistry,
;2014, 31(12): 1453-1457.
doi:
10.3724/SP.J.1095.2014.40241
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A simple approach to the synthesis of highly dispersed nano-Mn3O4 by mild aqueous synthesis method at low temperatures(90℃) is reported.The structure,composition and morphology of the material were investigated by X-ray diffraction,X-ray photoelectron spectroscopy and transmission electron microscope.The capacitance performance of the composites was explained by cyclic voltammetry and charge-discharge tests.The results show that the sample is tetragonal γ-Mn3O4 with 40~60 nm in diameter.The nano-Mn3O4 material has a good capacitance performance.The specific capacitance value of the material is 270 F/g.Furthermore,the specific capacitance value remains 85% of its initial value after 1000 charge-discharge circles.
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