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Sheet-like Units of Ferrocene-based Coordination Compounds for Oxygen Evolution by Yuanjun Liu; Binbin Li; Yuyu Liu; Xiaofang Cheng; Xuanmei Liang; Junhao Zhang; Guoxing Zhu is a Materials Science article available to read on EtoBox.
What is Sheet-like Units of Ferrocene-based Coordination Compounds for Oxygen Evolution about?
Metal-organic frameworks represent an emerging class of effective pre-electrocatalysts with low cost and high activity for oxygen evolution, which is a critical process involved in water splitting and metal-air batteries. In this study, a new electrode with ferrocene-based coordination compounds supported by nickel foam was designed and prepared, in which the coordination compounds are assembled by cobalt chloride and 1, 1'-ferrocenedicarboxylic acid. The as-obtained pre-catalytic electrode shows remarkable electrocatalytic activity and stability towards oxygen evolution. In 1 M KOH, the electrode can provide a current density of 50 mA cm−2 at an overpotential of 268 mV with Tafel slope of 109 mV dec−1. During the catalytic process, the metal-organic framework surface shows an obvious phase evolution behavior. The synergetic effect between Co and Fe sites, and the unique microstructure of the in situ derived active species are believed to be responsible for the excellent electrocatalytic performance. The catalytic electrode was also investigated as a cathode in a Zn-air battery, which presents an energy density of 572 mW h gZn −1, a peak power density of 60 mW cm−2, and an excellen
Who reads Sheet-like Units of Ferrocene-based Coordination Compounds for Oxygen Evolution?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Yuanjun Liu; Binbin Li; Yuyu Liu; Xiaofang Cheng; Xuanmei Liang; Junhao Zhang; Guoxing Zhu
- Publisher
- Elsevier BV
- Published
- 2022
- Language
- EN
- Field
- Materials Science (Physical Sciences)