2023/07/12 by Huimin Zhang, Geping He, Donghao Zheng +5
Engineering · Materials Science · #Advancements in Battery Materials #Conducting polymers and applications #Supercapacitor Materials and Fabrication
paper · pdf · doi:10.1088/1361-6528/ace6a6
openalex publication_date 2023/07/12 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/30
Abstract It is very important to develop novel nanocomposites as electrode materials for supercapacitors (SCs). MoSe 2 porous nanospheres were prepared by one-step hydrothermal method, and polyaniline (PANI) nanosheets were grown in situ to obtain MoSe 2 /PANI capsule nanospheres (CNs). By changing the amount of aniline, it was found that MoSe 2 /PANI-16 CNs had the best electrochemical performance, and a high specific capacitance of 753.2 F g −1 was obtained at a current density of 1 A g −1 . In addition, the interface electron transport path was clarified that a C–Mo–Se bridge bonds may be formed for rapid electron transfer. The reaction kinetics was also explored. The large specific surface areas of MoSe 2 /PANI CNs provided more reactive sites, so that the contribution of pseudocapacitance was much larger than diffusion capacitance. The assembled MoSe 2 /PANI//activated carbon asymmetric supercapacitor has a energy density of 20.1 Wh kg −1 at a power density of 650 W kg −1 . These results indicate that the MoSe 2 /PANI CNs are a promising electrode material.