Abstract
AbstractRapid advancements in portable electronics have created a demand for ultrathin power sources. Microsupercapacitors (MSCs) are becoming a competitive and advantageous option for these applications. It is widely recognized that to develop MSCs with exceptional performance, electrode materials having two‐dimensonal (2D) permeable channels, structural scaffolds with high‐conductivity and large surface area are suitable. Vanadium ditelluride (VTe2) stands out as an ideal material platform in this context. Its unique combination of metallic properties and exfoliative characteristics‐stemming from the conducting Te–V–Te layers held together by weak van der Waals interlayer interactions‐ renders it highly promising for high‐performance MSCs. This study is the first to report that the restacking issues and electrochemical performance of VTe2 can be successfully avoided by the simultaneous incorporation of MXene and CNT to form a ternary hybrid. Here, a laser‐induced graphene (LIG)‐based MSC utilizing VTe2/MXene/CNT as the active electrode material is fabricated. This MSC achieve fabrications an outstanding maximum energy density of 6.84 µWh cm−2 and a power density of 304.7 µW cm−2. This significant achievement demonstrates the potential of this LIG‐based MSC to advance the design of high‐performance micro‐energy storage devices.
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