Constraints in sustainable electrode materials development for solid oxide fuel cell: A brief review

Omeiza L.A. Kabyshev A. Bekmyrza K. Kuterbekov K.A. Kubenova M. Zhumadilova Z.A. Subramanian Y. Ali M. Aidarbekov N. Azad A.K.
January 2025 KeAi Communications Co.

Materials Science for Energy Technologies
2025 #8 32 - 43 pp.

Solid oxide fuel cells (SOFCs) are efficient electrochemical energy device that converts the chemical energy of fuels directly into electricity. It has a high power and energy density and a sustainable source of energy. The electrode (cathode and anode) materials are essential for the efficient operation of SOFCs. Several electrode materials have been studied in the last two decades, mainly perovskite materials. The investigated materials have resulted in improved electrochemical performance of SOFCs, increased commercial viability, and reduced operational costs. However, the sustainability of most of the material compositions (heteroatoms) used as electrodes in SOFCs has never been investigated. The present study examines the recent progress, challenges, and constraints associated with electrode material development in SOFCs from a sustainable perspective. Heteroatoms majorly employed for doping in electrode materials’ long-term availability on the earths surface was established. The study also provides an overview on the current state of electrode materials development for symmetrical solid oxide fuel cells. This is intended to address the complexities of different materials development for the anode and cathode.

CO₂ , Electrode materials , Polarization resistance , Solid oxide fuel cell , Sustainability

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Faculty of Physics and Technical Sciences, L.N. Gumilyov Eurasian National University, Astana, 010008, Kazakhstan
Faculty of Integrated Technologies, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, BE1410, Brunei Darussalam
Fuel Cell Institute, Universiti Kebangsaan Malaysia, Selangor, Bangi, 43600, Malaysia

Faculty of Physics and Technical Sciences
Faculty of Integrated Technologies
Fuel Cell Institute

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