Modification of Ti3C2Tx MXene with hyperbranched polyethylene ionomers: stable dispersions in nonpolar/low-polarity organic solvents, oxidation protection, and potential application in supercapacitors

Raisi, Bahareh; Huang, Lingqi; Ye, Zhibin

doi:10.1039/d3ta02936k

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Factors Influencing Mxene Oxidation1

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2023

2024

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Cited by 8 publications

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“…This enhanced stability is attributed to the tightly bound hyperbranched polyethylene protective layer, resulting in minimal oxidation even after 100 days of dispersion in water in an open-air environment. 72…”

Section: Factors Influencing Mxene Oxidationmentioning

confidence: 99%

Shielding 2D MXenes against oxidative degradation: recent advances, factors and preventive measures

Kumar,

Kumari,

Singh

et al. 2024

J. Mater. Chem. C

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Section: Factors Influencing Mxene Oxidationmentioning

confidence: 99%

Shielding 2D MXenes against oxidative degradation: recent advances, factors and preventive measures

Kumar,

Kumari,

Singh

et al. 2024

J. Mater. Chem. C

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Pillar‐Structured Ti₃C₂T_x MXene with Engineered Interlayer Spacing for High‐Performance Magnesium Batteries

Raisi,

Liu,

Rahmatinejad

et al. 2024

Small Methods

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Two‐dimentional (2D) Ti3C2Tx MXene has attracted significant attention in non‐lithium‐ion batteries due to its excellent electrical conductivity, high volumetric capacity, and ability to accommodate intercalants. Rechargeable magnesium batteries with Mg metal anodes are noted for their high theoretical energy density, potential safety, earth abundance, dendrite‐free Mg2+ plating/stripping mechanism on the anode side, and low cost. Nevertheless, owing to the large polarity of divalent Mg2+ ions, the insertion of Mg2+ into the MXene layers suffers from sluggish kinetics, limiting the performance for storage of Mg2+ ions. Herein, a simple self‐assembly strategy is demonstrated to achieve high magnesium ion storage capability with pillar‐structured Ti3C2Tx MXene by intercalating a hyperbranched polyethylene ionomer containing quaternary ammonium ions. The ionomer intercalation/modification leads to the expansion of interlayer spacing of the MXene and, meanwhile, improves its affinity to low‐polarity THF‐based electrolyte. The delaminated ionomer‐modified MXene shows significantly improved electrochemical performance as a cathode material for Mg batteries. It shows a promising cycling stability with a capacity retention of 86% after 400 cycles at 200 mA g−1, as well as outstanding high‐rate performance with a capacity of 110 mAh g−1 retained at 1,000 mA g−1 relative to 213 mAh g−1 at 20 mA g−1.

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Enhanced rate capability and cycle stability of Ti2C MXene for sodium storage through an aniline molecules welding strategy

Chen,

Wang,

Zhang

et al. 2024

Tungsten

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Modification of Ti₃C₂T_x MXene with hyperbranched polyethylene ionomers: stable dispersions in nonpolar/low-polarity organic solvents, oxidation protection, and potential application in supercapacitors

Abstract: MXenes have attracted enormous research interest due to their 2D structure and advantageous properties. However, they show low/poor dispersibility in a wide variety of organic solvents, particularly nonpolar or low-polarity...

Cited by 8 publications

References 84 publications

Shielding 2D MXenes against oxidative degradation: recent advances, factors and preventive measures

Shielding 2D MXenes against oxidative degradation: recent advances, factors and preventive measures

Pillar‐Structured Ti₃C₂T_x MXene with Engineered Interlayer Spacing for High‐Performance Magnesium Batteries

Enhanced rate capability and cycle stability of Ti2C MXene for sodium storage through an aniline molecules welding strategy

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Modification of Ti3C2Tx MXene with hyperbranched polyethylene ionomers: stable dispersions in nonpolar/low-polarity organic solvents, oxidation protection, and potential application in supercapacitors

Abstract: MXenes have attracted enormous research interest due to their 2D structure and advantageous properties. However, they show low/poor dispersibility in a wide variety of organic solvents, particularly nonpolar or low-polarity...

Cited by 8 publications

References 84 publications

Shielding 2D MXenes against oxidative degradation: recent advances, factors and preventive measures

Shielding 2D MXenes against oxidative degradation: recent advances, factors and preventive measures

Pillar‐Structured Ti3C2Tx MXene with Engineered Interlayer Spacing for High‐Performance Magnesium Batteries

Enhanced rate capability and cycle stability of Ti2C MXene for sodium storage through an aniline molecules welding strategy

Contact Info

Product

Resources

About

Modification of Ti₃C₂T_x MXene with hyperbranched polyethylene ionomers: stable dispersions in nonpolar/low-polarity organic solvents, oxidation protection, and potential application in supercapacitors

Pillar‐Structured Ti₃C₂T_x MXene with Engineered Interlayer Spacing for High‐Performance Magnesium Batteries