The effect of the La₂NiO_4+δ and Pr₂NiO_4+δ modifying additives on the electrochemical performance of the La₂NiO_4+δ oxygen electrodes has been investigated. It has been shown that the introduction of the additives reduces the polarization resistance of the electrodes. The lowest value of the polarization resistance has been obtained for the La₂NiO_4+δ electrodes modified with Pr₂NiO_4+δ, which was 0.44 Ω cm² at 650 °C in an air atmosphere. The introduction of modifying additives is shown to have a significant impact on the electrode reaction stage associated with the oxygen exchange. Probable reasons for the phenomena are discussed.

中文翻译：

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改性剂对La ₂ NiO _{4 +δ}基氧电极电化学性能的影响。

研究了La ₂ NiO _{4 +δ}和Pr ₂ NiO _{4 +δ}改性添加剂对La ₂ NiO _{4 +δ}氧电极的电化学性能的影响。已经表明，添加剂的引入降低了电极的极化电阻。对于用Pr ₂ NiO _{4 +δ}改性的La ₂ NiO _{4 +δ}电极，其极化电阻的最小值为0.44Ωcm ^2。在650°C的大气中。已显示出改性添加剂的引入对与氧交换相关的电极反应阶段具有重大影响。讨论了这种现象的可能原因。