Structural, Thermal, and Electrochemical Properties of Ce 0.8−2x Sm 0.2 Zr x Mg x O 2−d, {x = 0.05, 0.1 & 0.15} Promising Electrolyte Compounds for (IT-SOFCs) Applications

Abdalla. M. Abdalla (), Abul K. Azad, Mohamed M. K. Dawood and Juntakan Taweekun ()
Additional contact information
Abdalla. M. Abdalla: Mechanical Engineering Department, Faculty of Engineering, Suez Canal University, Ismailia 41522, Egypt
Abul K. Azad: Faculty of Integrated Technologies, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong BE 1410, Brunei
Mohamed M. K. Dawood: Mechanical Power Engineering, Faculty of Engineering, Damanhour University, Damanhour 22511, Egypt
Juntakan Taweekun: Department of Mechanical and Mechatronics Engineering, Faculty of Engineering, Prince of Songkla University, Hatyai, Songkhla 90112, Thailand

Energies, 2023, vol. 16, issue 13, 1-15

Abstract: CSZM compounds were synthesized by dry chemistry route with 5, 10, and 15% dopant of Mg dopants in the Ce 0.8−2x Sm 0.2 Zr x Mg x O 2−d , {x = 0.05, 0.1 & 0.15}. The newly investigated materials were physically, chemically, and electrochemically studied and have shown promising results. The CSZM was crystalized in a fluorite structure with a pure cubic phase in a space group Fm3m and cell parameter a = 5.401742 ° A and theoretical density from 7.6 to 8.9 after firing in the air with a final temperature of 1400 °C. Characterization of the structure and indexing of electrolyte materials were made after X-ray diffraction (XRD) testing. A Scanning electron microscope (SEM) morphological analysis was used to examine the microstructure details. Electrochemical impedance spectroscopy (EIS) measurements were performed from 400 °C to 700 °C which show the highest conductivity value of 1.0461 × 10 +1 S/cm at 700 °C. In comparison, the minimum value was 2.7329 × 10 −2 S/cm at 400 °C, and the total activation energy (E a ° A ) was found to be 0.6865 eV under 5% H 2 /Ar.

Keywords: solid oxide fuel cells; biomass; electrolyte; conductivity (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View complete reference list from CitEc
Citations:

Downloads: (external link)
https://www.mdpi.com/1996-1073/16/13/4923/pdf (application/pdf)
https://www.mdpi.com/1996-1073/16/13/4923/ (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:gam:jeners:v:16:y:2023:i:13:p:4923-:d:1178262

Access Statistics for this article

Energies is currently edited by Ms. Agatha Cao

More articles in Energies from MDPI
Bibliographic data for series maintained by MDPI Indexing Manager ().