Ternary functionalised carbon nanofibers/polypyrrole/manganese oxide as high specific energy electrode for supercapacitor
Source abstract
Abstract
Abstract A successful fabrication of ternary functionalised carbon nanofibers/polypyrrole/manganese oxide ( f -CNFs/PPy/MnO 2 ) composite was reported. The field emission scanning electron microscopy (FESEM) image had revealed a random distribution of granular PPy and spherical nanoparticles of MnO 2 on the surface of f -CNFs. The measured contact angle of f -CNFs indicated superhydrophilic nature which can enhance the surface wettability and ionic diffusion. The ternary f -CNFs/PPy/MnO 2 composite displayed a remarkable specific capacitance of 409.88 F/g compared with f -CNFs/MnO 2 (322.96 F/g) and f -CNFs/PPy (290.83 F/g). The electrochemical properties of f -CNFs/PPy/MnO 2 had contributed to the appreciable specific energy of 42.53 Wh/kg at a specific power of 297.32 W/kg. The assembled f -CNFs/PPy/MnO 2 composite also showed low resistance of charge transfer ( R ct ) value (3.40 Ω) with a better cycle life (86.30% capacitance retention over 3000 cycles). Hence, ternary f -CNFs/PPy/MnO 2 can be suggested as a high-performance electrode for supercapacitor.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Supercapacitor Materials and Fabrication · Conducting polymers and applications · Advanced Sensor and Energy Harvesting Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (49)
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