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<p>Recently, MBene has drawn significant interest as a promising 2D material for energy storage applications. It can be synthesized from its parent precursors using a similar etching process as MXene. In this work, Mo<sub>4/3</sub>B<sub>2</sub>T<sub>x</sub> MBene was successfully synthesized from (Mo<sub>2/3</sub>Y<sub>1/3</sub>)<sub>2</sub>AlB<sub>2</sub> precursor through a hydrothermal method utilizing a fluorine-free alkali solution. The cyclic voltammetry (CV) and galvanostatic charge–discharge (GCD) results in a neutral Na<sub>2</sub>SO<sub>4</sub> electrolyte indicated that the electrode made of Mo<sub>4/3</sub>B<sub>2</sub>T<sub>x</sub> MBene showed a high specific capacitance of 786 F/g at a scan rate of 2&#xa0;mV/s and exhibited excellent cycle stability over 5000 cycles with a capacitance retention rate of 90.65% at current density of 6 A/g and maintained 100% coulombic efficiency. Present results indicate that Mo<sub>4/3</sub>B<sub>2</sub>T<sub>x</sub> MBene is a promising electrode material for supercapacitor applications. These findings contribute valuable insights into Mo<sub>4/3</sub>B<sub>2</sub>T<sub>x</sub> MBene, encouraging further exploration of MBene electrodes for energy storage devices.</p>

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Hydrothermal green synthesis and electrochemical properties of Mo4/3B2Tx MBene

  • 期刊论文

  • 发表日期：

    2025年3月15日

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  • Maaz Ullah Khan,
  • Muhammad Irfan Jahanger,
  • Sumair Ahmed Soomro,
  • Xingyuan San,
  • Yanchun Zhou,
  • Man Jiang,
  • Longsheng Chu,
  • Qingguo Feng,
  • Chunfeng Hu

摘要

Recently, MBene has drawn significant interest as a promising 2D material for energy storage applications. It can be synthesized from its parent precursors using a similar etching process as MXene. In this work, Mo4/3B2Tx MBene was successfully synthesized from (Mo2/3Y1/3)2AlB2 precursor through a hydrothermal method utilizing a fluorine-free alkali solution. The cyclic voltammetry (CV) and galvanostatic charge–discharge (GCD) results in a neutral Na2SO4 electrolyte indicated that the electrode made of Mo4/3B2Tx MBene showed a high specific capacitance of 786 F/g at a scan rate of 2 mV/s and exhibited excellent cycle stability over 5000 cycles with a capacitance retention rate of 90.65% at current density of 6 A/g and maintained 100% coulombic efficiency. Present results indicate that Mo4/3B2Tx MBene is a promising electrode material for supercapacitor applications. These findings contribute valuable insights into Mo4/3B2Tx MBene, encouraging further exploration of MBene electrodes for energy storage devices.