Regulating Functional Groups Enhances the Performance of Flexible Microporous MXene/Bacterial Cellulose Electrodes in Supercapacitors

Ultrathin MXene-based films exhibit superior conductivity and high capacitance, showing promise as electrodes for flexible supercapacitors. This work describes a simple method to enhance the performance of MXene-based supercapacitors by expanding and stabilizing the interlayer space between MXene flakes while controlling the functional groups to improve the conductivity. Ti3C2Tx MXene flakes are treated with bacterial cellulose (BC) and NaOH to form a composite MXene/BC (A-M/BC) electrode with a microporous interlayer and high surface area (62.47 m2 g–1). Annealing the films at low temperature partially carbonizes BC, increasing the overall electrical conductivity of the films. Improvement in conductivity is…

• AN
  Australian National Fabrication Facility
• NN
  National Natural Science Foundation of China

  Award: 52302366
• CS
  China Scholarship Council

  Award: CSC202206280101
• NS
  Natural Science Foundation of Shandong Province

  Award: ZR2020KF001
• ED
  Education Department of Shaanxi Province

  Award: 23JK0539
• JS
  Japan Society for the Promotion of Science

  Award: 20K05453
• JS
  Japan Science and Technology Agency

  Award: JPMJER2003
• ER
  Exploratory Research for Advanced Technology

  Award: JPMJER2003