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Scalable Ir-Doped NiFe2O4/TiO2 Heterojunction Anode for Decentralized Saline Wastewater Treatment and H2 Production
Nano-Micro Letters ( IF 31.6 ) Pub Date : 2024-10-28 , DOI: 10.1007/s40820-024-01542-x
Sukhwa Hong, Jiseon Kim, Jaebeom Park, Sunmi Im, Michael R. Hoffmann, Kangwoo Cho

  • Ir-doped NiFe2O4 (NFI) spinel with TiO2 heterojunction overlayer brought about outstanding chlorine evolution reaction in circumneutral pH.

  • Electroanalyses including operando X-ray absorption spectroscopy uncovered the active role of TiO2 for Cl chemisorption.

  • NFI/TiO2 anode boosted both NH4+-to-N2 conversion and H2 generation in wastewater, and the practical applicability was confirmed with scaled-up anodes and real wastewater.



中文翻译:


用于分散式盐废水处理和 H2 生产的可扩展 Ir 掺杂 NiFe2O4/TiO2 异质结阳极



  • 具有 TiO2 异质结外层的 Ir 掺杂 NiFe2O4 (NFI) 尖晶石在中性 pH 值下产生了出色的析氯反应。


  • 包括原位 X 射线吸收光谱在内的电分析揭示了 TiO2 对 Cl 化学吸附的积极作用。


  • NFI/TiO2 阳极促进了废水中 NH4+ 到 N2 的转化和 H2 的产生,并且通过按比例放大的阳极和实际废水证实了实际适用性。

更新日期:2024-10-28
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