2023
DOI: 10.1016/j.cej.2022.140789
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Ionic liquid etched and microwave-assisted delaminated MXene as an excellent electrocatalyst for the hysteretic negative reaction of vanadium redox flow batteries

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Cited by 13 publications
(12 citation statements)
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“…The results clearly demonstrate that a significantly better capacity retention can be achieved with a NH 4 HF 2 -etched MXene modified negative electrode. Previous work [40] has shown that MXene particles prepared by drop casting and vacuum drying at 50 °C remain attached to the carbon fibers of the electrode after VRFB cycling. The cycling behavior observed in this study confirms that this method is sufficient for ensuring stability of the MXene particles.…”
Section: Vrfb Flow-cell Performancementioning
confidence: 96%
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“…The results clearly demonstrate that a significantly better capacity retention can be achieved with a NH 4 HF 2 -etched MXene modified negative electrode. Previous work [40] has shown that MXene particles prepared by drop casting and vacuum drying at 50 °C remain attached to the carbon fibers of the electrode after VRFB cycling. The cycling behavior observed in this study confirms that this method is sufficient for ensuring stability of the MXene particles.…”
Section: Vrfb Flow-cell Performancementioning
confidence: 96%
“…For pristine carbon paper, no oxidation or reduction peaks were observed (Figure 4a), while the thermal treated and MXene modified electrodes improved the V 2 + /V 3 + redox reaction kinetics, consistent with previous studies. [6,14,40,41] The NH 4 HF 2 -etched MXene modified electrode demonstrated the highest kinetics for the V 2 + /V 3 + redox reaction based on the peak separation and peak current followed by HF-etched MXene modified and thermal treated electrodes. A peak separation (ΔE p ) of 152 mV, 132 mV, and 107 mV was recorded for the thermal treated, HF-etched MXene modified, and NH 4 HF 2 -etched MXene modified electrode, respectively.…”
Section: Mxene Modified Electrode Characterizationmentioning
confidence: 97%
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“…Jing et al 88 prepared a novel IL‐MW‐MXene electrocatalyst using ionic liquid etching and microwave‐assisted stripping technology, which has two‐dimensional structure and abundant active functional groups. Carbon fiber felt contains two‐dimensional MXene showed better electrocatalytic activity and hydrophilicity for V 3+ /V 2+ redox reaction.…”
Section: Effect Of Charge Transfer On Electrolytementioning
confidence: 99%
“…5,6 Among them, the vanadium redox flow battery can be assembled modularly for large scale application, but it is still hampered by issues like high cost, unsatisfactory life cycle, and intricate maintenance of equipment. 7,8 Water electrolysis is a suitable, reliable and scalable solution for renewable energy storage as it is able to convert renewable electricity into the chemical energy of hydrogen. 9 Furthermore, hydrogen fuel cells can be employed to produce electricity when necessary.…”
Section: Ao Xiementioning
confidence: 99%