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Updated: Jul 18, 2026

Fabrication of Ti3C2 MXene Microelectrode Arrays for In Vivo Neural Recording
Published on: February 12, 2020
Rotational chemical bath deposited flexible MnO2/MXene thin film as an electrode for all solid state asymmetric
Rutuja A Chavan1,2, Gokul P Kamble1, Akash S Rasal3
1Green Nanotechnology Laboratory, Department of Chemistry, Shivaji University, Kolhapur 416004, Maharashtra, India.
Abstract:
MXenes are stealing the spotlight due to their metallic conductivity and hydrophilicity; however, the restacking of 2D layers in MXene hampers the electrochemical performance. On the contrary, MnO2is considered a promising electrode material for its variable oxidation states, but its weak conductivity limits practical applications. Taking the complementary properties, studies on thein-situsynthesis of MnO2@MXene by chemical bath deposition (CBD) for energy-related (supercapacitor) applications have not yet been explored. Thus, exploring the opportunity for the first time to examine the performance of MnO2/Ti3C2Txsupercapacitor applications by directly growing nano architectures on a flexible stainless steel mesh substrate utilising a binder-free synthesis approach was of our interest. With this motivation, the present investigation deals with a MnO2/Ti3C2Tx(MnO2/MXene) composite thin film designated as an MMC electrode deposited on the stainless steel mesh (300 mesh size) via anin-situmodified CBD method called rotational CBD (R-CBD). The synthesised MMC exhibits an excellent specific capacitance of 1130 F g-1when compared to MnO2(628.3 F g-1) and MXene (32.5 F g-1) at a current density of 1 mA cm-2. A flexible MnO2/MXene//MXene-based asymmetric supercapacitor device exhibited specific capacitance of 43.7 F g-1at 2 mA cm-2current density, maximum energy density (6.06 Wh kg-1), and power density (0.6 kW kg-1).
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