Biomass-derived porous activated carbon nanofibers from Sapindus trifoliatus nut shells for high-performance symmetric supercapacitor applications
作者： Ana Lucia Ferreira de Barros , Arumugam Sivasamy , Rajendran Suresh Babu , Murugan Vinayagam
DOI: 10.1007/S42823-021-00235-4
关键词:
摘要: Cost-effective and sustainable high-performance supercapacitor material was successfully prepared from cellulosic waste (Sapindus trifoliatus nut shells) biomass-derived activated carbon (CBAC) by physical activation method. The CBAC displays nanofiber morphology, high specific surface area (786 m2/g), large pore volume (0.212 cm3 g−1) which are evaluated using FESEM, BET possessed excellent electrochemical behavior analyzed through various methods. Moreover, the assembled symmetric CBAC//CBAC device exhibits capacitance of 240.8 F g−1 with current density 0.2 A g−1 it is maintained to 65.6 F g−1 at 2.0 A g−1. In addition, delivers an energy maximum over 30 Wh kg−1 400 W kg−1 power cycling stability in long term 5000 cycles. operation tested light-emitting diode. Hence, CBAC-based materials pave way for developing large-scale, low-cost storage applications.
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