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المؤلفBhosale, Rahul R.
المؤلفKumar, Anand
المؤلفAlMomani, Fares
المؤلفGhosh, Ujjal
المؤلفSutar, Parag
المؤلفTakalkar, Gorakshnath
المؤلفAshok, Anchu
المؤلفAlxneit, Ivo
تاريخ الإتاحة2020-10-12T09:21:47Z
تاريخ النشر2017
اسم المنشورCeramics International
المصدرScopus
معرّف المصادر الموحدhttp://dx.doi.org/10.1016/j.ceramint.2017.01.034
معرّف المصادر الموحدhttp://hdl.handle.net/10576/16401
الملخصIn this study, Ni-doped iron oxide (NixFe3−xO4) materials were synthesized via the 1,2-epoxypropane assisted sol-gel method by varying the molar concentration of Ni from x=0.2 to 1. Sol-gel derived NixFe3−xO4 gels were dried and the dried powder was further calcined upto 600 °C in air for 90 min. Obtained calcined NixFe3−xO4 powders were further analyzed to determine the phase composition, crystallite size, specific surface area, pore volume, and morphology via powder X-ray diffraction (PXRD), BET surface area analysis (BET), as well as scanning and transmission electron microscopy (SEM and TEM). The obtained results in the synthesis and characterization section indicate formation of NixFe3−xO4 nanoparticles with high specific surface area. Thermal reduction and re-oxidation of the sol-gel synthesized NixFe3−xO4 materials were determined by using the high temperature thermogravimetry. Obtained results indicate that the amount of O2 released during the thermal reduction step (at 1400 °C) and quantity of CO produced during the CO2 splitting step (at 1000 °C) increases as the concentration of Ni inside the iron oxide crystal structure increases. The highest amounts of O2 released (221.88 μmol/g) and CO produced (375.01 μmol/g) in case of NiFe2O4 (NF10 material).
اللغةen
الناشرElsevier Ltd
الموضوعCO2 splitting
Ni-ferrite
Sol-gel method
Solar energy
Thermochemical cycles
العنوانEffectiveness of Ni incorporation in iron oxide crystal structure towards thermochemical CO2 splitting reaction
النوعArticle
الصفحات5150-5155
رقم العدد6
رقم المجلد43
dc.accessType Abstract Only


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