Synthesis, structure and capacitive properties of cobalt hydroxide films on stainless steel substrates

• Authors: Ieva Barauskienė , Eugenijus Valatka
• Languages of publication: EN

Abstracts

EN

Cobalt (hydro)oxide films on AISI 304 stainless steel and sintered metal fibre filter Bekipor ST 20AL3 were prepared using electrochemical deposition from neutral cobalt acetate solutions under galvanostatic conditions. Deposited films were structurally characterized using X-ray diffraction, Fourier transform infrared spectroscopy and scanning electron microscopy. All electrochemical measurements were performed in aqueous NaOH solution. Capacitive behavior of different films was evaluated using cyclic voltammetry data. The highest specific capacitance (965 F g−1) was reached when Bekipor ST 20AL3 mesh was used as a support for electroactive substance.

Keywords

EN

Cobalt hydroxide; Capacitance; Supercapacitors; Metal fibre filters

• Publisher: De Gruyter Open
• Journal: Open Chemistry
• Year: 2014
• Volume: 12
• Issue: 11
• Pages: 1206-1211

Dates

published

1 - 11 - 2014

online

15 - 5 - 2014

Contributors

author

Ieva Barauskienė

• Kaunas University of Technology

author

Eugenijus Valatka

• Kaunas University of Technology

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Identifiers

DOI

10.2478/s11532-014-0570-y