Insight into Metal Oxides FexMn1-xO-SDC as an Oxygen Carrier for Fuels Cells and Chemical Looping

Abstract

Currently, fossil fuel dependent world's reservoirs are being used widely, so their availability is reducing day by day along with contributing to global warming. As a result, interest in sustainable energy is rising. The use of chemical looping technology and SOFCs are gaining popularity as a strategy for cutting back on harmful gases that are discharged into the air when fossil fuels are burned. In redox process of chemical looping, oxygen carriers play a significant role in separating the CO2. Metal oxides as a provider of oxygen are appealing materials due to their high stability and reactivity. A clean, pollution-free energy conversion method (chemical to electrical) is offered by solid oxide fuel cells (SOFCs). This research will be focused on developing multifunctional metal oxide (FexMn1-xO with SDC) cathodes material for SOFC and as oxygen carrier for CLC by sol-gel and solid-state technique. These materials will be characterized by X-Ray diffraction (XRD), Raman Spectroscopy, Electrochemical Impedance Spectroscopy (EIS), Scanning Electron Microscopy (SEM), Fourier Transformation Infrared Spectroscopy (FTIR). FTIR spectra represents molecular composition of prepared materials and molecular bonding. Raman spectroscopy was performed to check vibrational modes and peak shift behavior. X ray diffraction indicates the cubic crystal structure of given samples. Scanning electron microscope analyze morphology of prepared material which confirms the pores on the material surface shows homogeneous and drained structure. For thermal stability and redox process, Thermogravimetric Analysis (TGA) will be used. The proposed fuel will be Hydrogen/biogas for fuel cell performance chemical looping system.