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Electrochemical comparative study of Ti/Ta2O5/Pt-RuO2-IrO2 and Ti/Ta2O5/Pt anodes: Stability, service lifetime, and electrooxidation performance
Asia-Pacific Journal of Chemical Engineering ( IF 1.4 ) Pub Date : 2021-10-28 , DOI: 10.1002/apj.2716 Foffié Thiery Auguste Appia 1 , Lemeyonouin Aliou Guillaume Pohan 2 , Mohamed Berté 1 , Lassiné Ouattara 1
Asia-Pacific Journal of Chemical Engineering ( IF 1.4 ) Pub Date : 2021-10-28 , DOI: 10.1002/apj.2716 Foffié Thiery Auguste Appia 1 , Lemeyonouin Aliou Guillaume Pohan 2 , Mohamed Berté 1 , Lassiné Ouattara 1
Affiliation
This work aimed to compare the stability, service lifetime, and electrooxidation performance of Ti/Ta2O5/Pt-RuO2-IrO2 (PRI) and Ti/Ta2O5/Pt (Pt) electrodes thermally prepared. The service lifetime study performed under 410 mA/cm2 in a 9N H2SO4 showed that PRI electrode had six (06) times longer lifetime than the Pt electrode. Bulk electrolysis experiments were carried out on Pt and PRI under 20 mA/cm2. COD removal, current efficiency (CE), specific energy consumption (SEC), electrical energy cost, and anode efficiency (
) were estimated. Both electrodes lead to the conversion of the parent compounds. However, the Pt electrode was best suited for amoxicillin (AMX) electrooxidation with 36.89% by COD removal in KClO4 0.1 M. Besides, the PRI electrode provided the best performances for the AMX electrooxidation (8.15%) and telebrix (TLX) (29.28%) in HClO4 0.1 M and KClO4 0.1 M, respectively. The presence of NaCl enhanced significantly the organic compound electrooxidation in terms of COD removal, CE, SEC, electrical energy cost, and 
on the both electrodes. This is probably because of the co-action of direct and indirect (by active chlorine) oxidations. But the PRI electrode presented the best performance in the presence of chloride ions. In summary, the experimental conditions can determine the performance of an anode.
中文翻译：
Ti/Ta2O5/Pt-RuO2-IrO2 和 Ti/Ta2O5/Pt 阳极的电化学比较研究：稳定性、使用寿命和电氧化性能
本工作旨在比较热制备的 Ti/Ta 2 O 5 /Pt-RuO 2 -IrO 2 (PRI) 和 Ti/Ta 2 O 5 /Pt (Pt) 电极的稳定性、使用寿命和电氧化性能。在 9N H 2 SO 4 中在 410 mA/cm 2下进行的使用寿命研究表明，PRI 电极的使用寿命是 Pt 电极的六 (06) 倍。在 20 mA/cm 2下对 Pt 和 PRI 进行批量电解实验。COD 去除、电流效率 (CE)、比能耗 (SEC)、电能成本和阳极效率 () 估计。两个电极都导致母体化合物的转化。然而，Pt 电极最适合阿莫西林 (AMX) 电氧化，在 KClO 4 0.1 M 中通过 COD 去除率为 36.89% 。此外，PRI 电极为 AMX 电氧化 (8.15%) 和 Telebrix (TLX) (29.28 %) 分别在 HClO 4 0.1 M 和 KClO 4 0.1 M 中。NaCl 的存在在 COD 去除、CE、SEC、电能成本和在两个电极上。这可能是因为直接和间接（通过活性氯）氧化的共同作用。但 PRI 电极在氯离子存在下表现出最佳性能。总之，实验条件可以决定阳极的性能。
更新日期：2021-12-10
) were estimated. Both electrodes lead to the conversion of the parent compounds. However, the Pt electrode was best suited for amoxicillin (AMX) electrooxidation with 36.89% by COD removal in KClO4 0.1 M. Besides, the PRI electrode provided the best performances for the AMX electrooxidation (8.15%) and telebrix (TLX) (29.28%) in HClO4 0.1 M and KClO4 0.1 M, respectively. The presence of NaCl enhanced significantly the organic compound electrooxidation in terms of COD removal, CE, SEC, electrical energy cost, and on the both electrodes. This is probably because of the co-action of direct and indirect (by active chlorine) oxidations. But the PRI electrode presented the best performance in the presence of chloride ions. In summary, the experimental conditions can determine the performance of an anode.
中文翻译：
Ti/Ta2O5/Pt-RuO2-IrO2 和 Ti/Ta2O5/Pt 阳极的电化学比较研究：稳定性、使用寿命和电氧化性能
本工作旨在比较热制备的 Ti/Ta 2 O 5 /Pt-RuO 2 -IrO 2 (PRI) 和 Ti/Ta 2 O 5 /Pt (Pt) 电极的稳定性、使用寿命和电氧化性能。在 9N H 2 SO 4 中在 410 mA/cm 2下进行的使用寿命研究表明，PRI 电极的使用寿命是 Pt 电极的六 (06) 倍。在 20 mA/cm 2下对 Pt 和 PRI 进行批量电解实验。COD 去除、电流效率 (CE)、比能耗 (SEC)、电能成本和阳极效率 (
) 估计。两个电极都导致母体化合物的转化。然而，Pt 电极最适合阿莫西林 (AMX) 电氧化，在 KClO 4 0.1 M 中通过 COD 去除率为 36.89% 。此外，PRI 电极为 AMX 电氧化 (8.15%) 和 Telebrix (TLX) (29.28 %) 分别在 HClO 4 0.1 M 和 KClO 4 0.1 M 中。NaCl 的存在在 COD 去除、CE、SEC、电能成本和在两个电极上。这可能是因为直接和间接（通过活性氯）氧化的共同作用。但 PRI 电极在氯离子存在下表现出最佳性能。总之，实验条件可以决定阳极的性能。
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