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Sr2TiFeO6-based perovskite type electrode material for solid oxide electrolytic cell, preparation method and application of Sr2TiFeO6-based perovskite type electrode material
The invention discloses a preparation method of a Sr2TiFeO6-based perovskite symmetric electrode material and application of the Sr2TiFeO6-based perovskite symmetric electrode material in a solid oxide electrolytic tank. MO (MO = MgO, CuO, Cr2O3 and MnCO3) is used as a B-site dopant, and Sr2Ti (1-x) FeMxO6-delta (M = Mg, Cu, Cr and Mn; x is more than or equal to 0 and less than or equal to 0.3), wherein x is the doped content of the M element. Elements used by the synthetic material are rich in reserves and low in price, and the preparation operation is simple, and large-scale application is facilitated. The Sr2Ti < 1-x > FeM < x > O < 6-delta > material prepared by the preparation method disclosed by the invention has excellent chemical stability and good catalytic activity and electrochemical performance in a CO2 electrolysis environment. Compared with Sr2TiFeO6, the Sr2Ti1-xFeMxO6-delta symmetrical battery has the advantages that the polarization impedance is reduced, the current density is increased, higher CO2 electrolysis efficiency is obtained, and the Sr2Ti1-xFeMxO6-delta symmetrical battery is suitable for preparing symmetrical electrodes of a solid oxide electrolytic tank.
本发明公开一种Sr2TiFeO6基钙钛矿对称电极材料制备方法及其在固体氧化物电解池中的应用。以MO(MO＝MgO，CuO，Cr2O3，MnCO3)为B位掺杂剂，采用传统固相法合成Sr2Ti1‑xFeMxO6‑δ(M＝Mg，Cu，Cr，Mn；0≤x≤0.3)对称电极材料，其中x为M元素掺杂的含量。合成材料使用的元素储量丰富，价格便宜，且制备操作简单，有利于大规模运用。本发明制备的Sr2Ti1‑xFeMxO6‑δ材料在CO2电解环境下具有优异的化学稳定性以及良好的催化活性和电化学性能。与Sr2TiFeO6相比，Sr2Ti1‑xFeMxO6‑δ对称电池的极化阻抗减小，电流密度增大，获得了更高的CO2电解效率，适用于固体氧化物电解池对称电极的制备。
Sr2TiFeO6-based perovskite type electrode material for solid oxide electrolytic cell, preparation method and application of Sr2TiFeO6-based perovskite type electrode material
The invention discloses a preparation method of a Sr2TiFeO6-based perovskite symmetric electrode material and application of the Sr2TiFeO6-based perovskite symmetric electrode material in a solid oxide electrolytic tank. MO (MO = MgO, CuO, Cr2O3 and MnCO3) is used as a B-site dopant, and Sr2Ti (1-x) FeMxO6-delta (M = Mg, Cu, Cr and Mn; x is more than or equal to 0 and less than or equal to 0.3), wherein x is the doped content of the M element. Elements used by the synthetic material are rich in reserves and low in price, and the preparation operation is simple, and large-scale application is facilitated. The Sr2Ti < 1-x > FeM < x > O < 6-delta > material prepared by the preparation method disclosed by the invention has excellent chemical stability and good catalytic activity and electrochemical performance in a CO2 electrolysis environment. Compared with Sr2TiFeO6, the Sr2Ti1-xFeMxO6-delta symmetrical battery has the advantages that the polarization impedance is reduced, the current density is increased, higher CO2 electrolysis efficiency is obtained, and the Sr2Ti1-xFeMxO6-delta symmetrical battery is suitable for preparing symmetrical electrodes of a solid oxide electrolytic tank.
本发明公开一种Sr2TiFeO6基钙钛矿对称电极材料制备方法及其在固体氧化物电解池中的应用。以MO(MO＝MgO，CuO，Cr2O3，MnCO3)为B位掺杂剂，采用传统固相法合成Sr2Ti1‑xFeMxO6‑δ(M＝Mg，Cu，Cr，Mn；0≤x≤0.3)对称电极材料，其中x为M元素掺杂的含量。合成材料使用的元素储量丰富，价格便宜，且制备操作简单，有利于大规模运用。本发明制备的Sr2Ti1‑xFeMxO6‑δ材料在CO2电解环境下具有优异的化学稳定性以及良好的催化活性和电化学性能。与Sr2TiFeO6相比，Sr2Ti1‑xFeMxO6‑δ对称电池的极化阻抗减小，电流密度增大，获得了更高的CO2电解效率，适用于固体氧化物电解池对称电极的制备。
Sr2TiFeO6-based perovskite type electrode material for solid oxide electrolytic cell, preparation method and application of Sr2TiFeO6-based perovskite type electrode material
一种固体氧化物电解池Sr2TiFeO6基钙钛矿型电极材料、制备方法和应用
ZHENG YIFENG (Autor:in) / QIAN BIN (Autor:in)
03.05.2024
Patent
Elektronische Ressource
Chinesisch
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