High performance ceramic nanocomposite fuel cells utilizing LiNiCuZn-oxide anode based on slurry method. (12th July 2018)

• Record Type: Journal Article
• Authors: Asghar, M.I.; Jouttijärvi, S.; Lund, P.D.
• Is Part Of: International journal of hydrogen energy. Volume 43:Number 28(2018)
• Page Start: 12797
• Page End: 12802
• Publication Date: 2018-07-12
• Subjects: Ceramic -- Conductivity -- Fuel cell -- Multi-oxide -- Nanocomposite -- Synthesis; Hydrogen as fuel -- Periodicals; Hydrogène (Combustible) -- Périodiques; Hydrogen as fuel; Periodicals; 665.81
• DOI: 10.1016/j.ijhydene.2018.03.232
• Languages: English
• ISSNs: 0360-3199

Abstract

Abstract: A multi-oxide material LiNiCuZn-oxide was prepared through a slurry method as an anode for ceramic nanocomposite fuel cell (CNFC). The CNFCs using this anode material, LSCF as cathode material and a composite electrolyte consisting of CaSm co-doped CeO2 and (NaLiK)2 CO3 produced ∼1.03 W/cm 2 at 550 °C due to efficient reaction kinetics at the electrodes and high ionic transport in the nanocomposite electrolyte. The electrochemical impedance spectroscopy revealed low ionic transport losses (0.238 Ω cm 2 ) and low polarization losses (0.124 Ω cm 2 ) at the electrodes. The SEM measurements revealed the porous microstructures of the composite materials at electrode and the dense mixture of CaSm co-doped CeO2 and (NaLiK)2 CO3 . The Brunauer-Emmett-Teller (BET) analysis revealed high surface areas, 4.1 m 2 /g and 3.8 m 2 /g, of the anode and cathode respectively. This study provides a promising material for high performance CNFCs. Highlights: LiNiCuZn-Oxide was synthesized through a slurry method. CaSm co-doped CeO2 was synthesized through co-precipitation method. Fuel cells using these materials produced 1.03 W/cm 2 at 550 °C.