Catalytic activities of two different morphological nano-MnO2 on the thermal decomposition of ammonium perchlorate
Source abstract
Abstract
Abstract In order to investigate the catalytic activity of nano-MnO2 on the thermal decomposition of ammonium perchlorate, two different shapes of nano-MnO2 (sea-urchin and linear) were prepared by the hydrothermal method with MnSO 4·H2O and Na2S2O8, MnSO4·H2O and (NH4)2S2O8 , respectively. X-ray diffraction , scanning electron microscopy and the nitrogen adsorption/desorption analysis were used to characterize the structure of the nanocomposites. The sea-urchin nano-MnO 2 possesses a greater specific surface area than the linear nano-MnO2. The catalytic properties of nano-MnO2 on the thermal decomposition of ammonium perchlorate (AP) were demonstrated by differential scanning calorimeter (DSC). As show in the DSC carves, the addition of the sea-urchin nano-MnO2 got the thermal decomposition peak temperature of AP reduced much more than the addition of the linear nano-MnO2, the low-temperature decomposition process even disappeared, and the high-temperature pyrolysis peak temperature decreased by 94.6 °C. All evidences indicated that the sea-urchin nano-MnO2 is a better catalytic than the linear one.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Energetic Materials and Combustion · Chemical Analysis and Environmental Impact · Environmental remediation with nanomaterials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (35)
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