Astragalus brachycalyx fischer roots-derived porous carbon integrated with a novel NiSnO2/PC nanocomposite for high-performance supercapacitors

Demirel S., Nas M. S., KOÇYİĞİT A., Calimli M. H., Alma M. H.

Journal of Materials Science: Materials in Electronics, cilt.34, sa.5, 2023 (SCI-Expanded) identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 34 Sayı: 5
  • Basım Tarihi: 2023
  • Doi Numarası: 10.1007/s10854-023-09894-7
  • Dergi Adı: Journal of Materials Science: Materials in Electronics
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Aerospace Database, Applied Science & Technology Source, Chemical Abstracts Core, Communication Abstracts, Compendex, Computer & Applied Sciences, INSPEC, MEDLINE, Metadex, Civil Engineering Abstracts
  • Bilecik Şeyh Edebali Üniversitesi Adresli: Evet

Özet

The NiSnO2/biomass-derived porous carbon (PC) composites were synthesized from the roots of Astragalus brachycalyx fischer by using a series of physicochemical processes. Then, the composites were characterized by XRD, SEM, BET, Raman and EDS to illuminate and confirm the structures. The NiSnO2/biomass-derived PCs were employed as a new class of renewable supercapacitor electrodes. The electrochemical performance of the prepared PC electrodes was analyzed by using two electrodes in a 6 M potassium hydroxide (KOH) aqueous solution electrolyte. Electrochemical measurements revealed that NiSnO2/PC nanocomposites demonstrated highly effective stability with a specific capacitance of 295.90 F/g at 200 mV/s for supercapacitor studies, and a capacitance retention rate of 38.70% after 200 cycles. The high surface area and the presence of large hierarchical pores contributed to the effective electrochemical performance of the prepared nanocomposite materials. The NiSnO2/PC nanocomposites with the 3D porous structure have showed that promising efficiency in the application of supercapacitors with its high energy storage capacity and effective electrochemical performance.