Microcystis aeruginosa supported-Mn catalyst as a new promising supercapacitor electrode: A dual functional material

GÜRTEN İNAL İ. I., Akdemir M., KAYA M.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, cilt.46, sa.41, ss.21534-21541, 2021 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 46 Sayı: 41
  • Basım Tarihi: 2021
  • Doi Numarası: 10.1016/j.ijhydene.2021.04.005
  • Dergi Adı: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, PASCAL, Artic & Antarctic Regions, Chemical Abstracts Core, Communication Abstracts, Environment Index, INSPEC
  • Sayfa Sayıları: ss.21534-21541
  • Anahtar Kelimeler: Microcystis aeruginosa, Catalyst material, Supercapacitors, Electrode material, Cap-cat, ACTIVATED CARBON, PERFORMANCE, NANOTUBE, BIOMASS, WASTE, NANOCOMPOSITE, NANOSHEETS, REDUCTION, TEMPLATE, NO
  • Ankara Üniversitesi Adresli: Evet

Özet

In the present study, a Mn-supported catalyst material developed from Microcystis aeruginosa microalgae for hydrogen generation was tested as a supercapacitor electrode material for the first time. The catalyst material (MA-HCl-Mn) was examined for hydrogen generation through methanolysis of NaBH4, and it demonstrated good catalytic activity. Symmetric and asymmetric supercapacitor cells were prepared using MA-HCl-Mn as the electrode material. The electrochemical performance of the cells were evaluated by a two-electrode system using 2 M KOH as the electrolyte. The gravimetric capacitance of the symmetric and asymmetric cells found to be 40 F/g and 71 F/g, respectively. It was concluded that MA-HCl-Mn served as a sustainable, dual functional material showing a high catalytic activity for the hydrogen generation and a promising electrochemical performance as the supercapacitor electrode. (C) 2021 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.