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Ultrahigh Density Array of Vertically Aligned Small-molecular Organic Nanowires on Arbitrary Substrates
Published on: June 18, 2013
Self-assembled in-situ growth of polyaniline on MXene composite with sodium alginate hydrogel 3D framework for
Saleem Raza1, Tariq Bashir2, Cheng Chen1
1College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China; Zhejiang Key Laboratory of Digital Intelligence Monitoring and Restoration of Watershed Environment, Zhejiang Normal University, Jinhua, Zhejiang, 321004, China.
Abstract:
The development of high-energy lithium-ion batteries (LIBs) demands advanced anode materials with superior electrochemical performance. In this study, a Cr2TiC2Tx MXene/polyaniline (PANi) nanocomposite was synthesized via a simple coating method and subsequently embedded into a sodium alginate (SA) hydrogel matrix to form a Cr2TiC2Tx/PANi@SA-H composite. This 3D hydrogel framework enhanced the porosity and electrical conductivity compared to agglomerated pristine MXene. In comparison to agglomerated pristine Cr2TiC2Tx, the composite hydrogel polymer (Cr2TiC2Tx/PANi@SA-H) enhances the porosity and electrical conductivity of the composite anode material. This research article presents the simple synthesis approach of bare MXene (Cr2TiC2Tx), coating with PANi and Cr2TiC2Tx/PANi@SA-H, polymer hydrogel. Electrochemical efficiency of the Cr2TiC2Tx/PANi@SA-H composite material is remarkable, as evidenced by its initial cycling capacity of 223 mAh g-1 at 100 mA g-1 current density with a capacity retention of 93 mA h g-1 after 200 cycles at 100 mA g-1, and 69 mA h g-1 over 1300 cycles at 200 mA g-1. The high electrical conductivity of Cr2TiC2Tx MXene nanosheets and conductive polymer PANi significantly improves the overall electrochemical properties of the Cr2TiC2Tx/PANi@SA-H composite material. This polymer composite of Cr2TiC2Tx/PANi@SA-H exhibits significant potential for electrochemical energy storage applications.
