Effects of Cu Substituting Mo in Sr₂Fe_1.5Mo_0.5O_6-δ Symmetrical Electrodes for CO₂ Electrolysis in Solid Oxide Electrolysis Cells.

ABSTRACT: Solid oxide electrolysis cells (SOECs) are considered one of the most promising technologies for carbon neutralization, as they can efficiently convert CO₂ into CO fuel. Sr₂Fe_1.5Mo_0.5O_6-δ (SFM) double perovskite is a potential cathode material, but its catalytic activity for CO₂ reduction needs further improvement. In this study, Cu ions were introduced to partially replace Mo ions in SFM to adjust the electrochemical performance of the cathode, and the role of the Cu atom was revealed. The results show Cu substitution induced lattice expansion and restrained impurity in the electrode. The particle size of the Sr₂Fe_1.5Mo_0.4Cu_0.1O_6-δ (SFMC0.1) electrode was about 500 nm,

SUBMITTER: Tan W 

PROVIDER: S-EPMC12029250 | biostudies-literature | 2025 Apr

REPOSITORIES: biostudies-literature