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MXene is a two-dimensional star material that is even more popular than graphene. As an advanced manufacturer of MXene, Beike Nano has launched special offer activities, where mxene and other materials are 10% off. At the same time, Beike Nano has launched new mesoporous material products with more preferential prices.

In recent years, the dramatic growth in the number and variety of portable electronic products has increased the demand for flexible and high power density storage systems. Therefore, many lightweight energy storage systems with flexibility and high mechanical strength, such as metal ion batteries and supercapacitors, have attracted extensive attention. Compared with other energy storage systems, SCs has the advantages of fast charge and discharge rate, high power density and reliable cycle life.

Haiwon Lee and Min Jae Ko, professors of Hanyang University in Korea, recently published an article in Advanced Functional Materials titled: In Situ Grown MWCNTs/MXenes Nanocomposites on Carbon Cloth for High-Performance Flexible Supercapacitors. A high-performance flexible supercapacitor based on carbon paper, MXene and multi-walled carbon nanotubes was designed and fabricated in situ.

Figure 1. Fabrication of MXene and MWNTS.

Figure 2. Scanning electron microscope image.

FIG. 3. Transmission electron microscope image.

Figure 4. Physical characterization of materials.

Figure 5. Electrochemical performance test of composite electrode.

Figure 6. Electrochemical performance of symmetric supercapacitors.

FIG. 7 Physicochemical stability of.MWCNT-MXene@CC electrode.

In summary, we have demonstrated a novel strategy to prepare unbonded electrodes based on in situ growth of multiwalled carbon nanotubes on MXene with NiAl catalyst. The flexible electrode exhibits an excellent area-specific capacitance of 114.58 mF cm−2 at a scan rate of 5 mV s−1 and an excellent cycle stability of 16,000 cycles. The enhanced electrochemical performance is attributed to the support of MWNTS between MXene layers. MWCNT, as a conductive gasket, can effectively maintain the electrolyte hierarchy and enhance the accessibility of electrolyte ions. In addition, the grown MWNTS also act as highly conductive fluid collectors between the MXene particles, thus reducing the internal resistance of the electrodes.