Production of carbon nanotube-supported metal (M = Ru, Pd, Pt) doped polyacrylic acid electrode materials and supercapacitor application

Caglar A., YAZAR AYDOĞAN S., Alovn D., DEMİR KIVRAK H.

Diamond and Related Materials, cilt.143, 2024 (SCI-Expanded) identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 143
  • Basım Tarihi: 2024
  • Doi Numarası: 10.1016/j.diamond.2024.110929
  • Dergi Adı: Diamond and Related Materials
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, PASCAL, Aerospace Database, Chemical Abstracts Core, Chimica, Communication Abstracts, Compendex, INSPEC, Metadex, Civil Engineering Abstracts
  • Anahtar Kelimeler: Carbon nanotube, Energy storage, Polyacrylic acid, Ruthenium, Supercapacitor
  • Eskişehir Osmangazi Üniversitesi Adresli: Evet

Özet

A radical polymerization with the contribution of carbon nanotube (CNT) supported metal (M/CNT) catalysts has been reported on the preparation of poly(acrylic acid) (PAAc) hydrogels for supercapacitor electrode materials. Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), scanning electron microscopy-energy dispersive X-ray analysis (SEM-EDX) and mapping, micro-Raman spectroscopy, and X-ray photoelectron spectroscopy (XPS) are used to characterize the hydrogels. The obtained PAAc-g-(Ru/CNT) as a supercapacitor electrode shows a high specific capacitance of 1294.5 F g−1 at 5.0 mV s−1. This electrode has a high capacitance retention of up to 97.7 % after 1000 cycles, showing extended cycle life and strong electrochemical stability. Furthermore, the idea of such a synthesis technique can be extended to include the co-use of polymers and other materials with ionic conductivity properties with electrocatalysts for metal oxide supercapacitors and advanced energy storage devices.