Fluoride mediated conversion of FeOOH into NiFeOOH for outstanding oxygen evolution reaction

•Fluoride-doped NiFe catalysts have superb OER performance.•Fluorine introduces defects on the NiFe catalyst, subject to its concentration.•Defects change the chemical structure, hence influencing the OER performance.•Presence of NiF2 phase, mediates FeOOH to NiFeOOH phases in the catalyst.•F anions...

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Veröffentlicht in:	Electrochimica acta 2022-02, Vol.406, p.139831, Article 139831
Hauptverfasser:	Kathale, Benjamin Mulwa, Xiao, Hengbo, Yang, Shengxiong, Yin, Hongxia, Yu, Tianshui, Zhou, Xiangji, Qian, Lihua, Xiao, Junwu, Lei, Pengxiang, Li, Xiuhong
Format:	Artikel
Sprache:	eng
Schlagworte:	Catalysis Catalysts Charge transfer Chemical synthesis Fluorinated nickel-iron-(Oxy)hydroxides Hybrid structures In-situ Raman spectroscopy Intermetallic compounds Iron Iron compounds Low resistance Nickel compounds Nickel fluorides Oxygen evolution reaction Oxygen evolution reactions Phases Raman spectroscopy Shades
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