Carbon Nanotubes Boost MXene Fibers for Supercapacitor Applications: supercapacitor carbonnanotubes CNTs MXene
By Hussain AhmedAug 23 2022Reviewed by Megan Craig, M.Sc. Structurally solid and electrically conducting fabrics, especially those with large specific capacitances, have the potential to be used as electrodes in power storage systems such as fiber-shaped supercapacitors .
What are Fiber-Shaped Supercapacitors ? With the introduction of smart fabrics with embedded electromagnetic systems such as detectors, displays, and control systems, there has been a rise in the market for portable and composable energy storage setups. Fiber-shaped supercapacitors can provide an efficient solution compared to industrial energy storage devices due to their small size, dimensional stability, and elevated level of safety.
Important Features of High-Performance Electrodes Related StoriesNumerous notable characteristics are critical in fabricating a high-performance fiber-shaped working electrode for portable energy storage systems. High catalyst layer filling, excellent electrical permeability of fibers for decreasing internal resistance in lengthy equipment and facilitating rapid charging / discharging, and large-scale production capability are important features.
Another method is to intercalate MXene flakes with cations, which results in high structural rigidity and dielectric strength. The ionic crosslinking agents hold the nanosheets in place, resulting in a very low deformation and fragility under bending. The researchers first created an aqueous suspension of MXene and carbon nanotube and then continuously spun a homogeneous MXene/carbon nanotube blended fiber with alternatively layered MXene flakes and carbon nanotube composites.
These connections not only improved the mechanical characteristics of MXene/carbon nanotube composite fibers but also aided the transfer of electrons in fibers. Because of the enhanced mechanical properties, hybrid fibers can be woven into the fabric. When MXene/carbon nanotube composite fiber is shaped into FSC, it provides a high gravimetric energy density as well as an impressive power density.