Preparation and characterization of nano size NiOOH by direct electrochemical oxidation of nickel plate

Mohd Syafiq Hamdan, Riyanto, Mohamed Rozali Othman

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Nickel oxyhydroxide (NiOOH) had been produced by direct electrochemical oxidation of nickel (Ni) plate in 0.1 M potassium hydroxide (KOH) solution. Ni plate was used as a working electrode, while four different metals, copper (Cu), gold (Au) and nickel (Ni) plates and platinum (Pt) wire were used as a counter electrodes. A black precipitation which was proportional with the working electrode decay was produced after a few hours of oxidation process. The product formed was then dried and characterized using X-ray Photoelectron Spectroscopy (XPS), X-ray Diffractometer (XRD), Thermal Gravimetric Analysis (TGA) and Energy Dispersive X-ray (EDX). Field Emission Scanning Electron Microscopy (FESEM) was used to measure the particle size of the product. The characterization results confirmed that the compound synthesized was a nano size NiOOH.

Original languageEnglish
Pages (from-to)4747-4760
Number of pages14
JournalInternational Journal of Electrochemical Science
Volume8
Issue number4
Publication statusPublished - Apr 2013

Fingerprint

Electrochemical oxidation
Nickel
Electrodes
X rays
Potassium hydroxide
Gravimetric analysis
Diffractometers
Platinum
Gold
Field emission
Copper
X ray photoelectron spectroscopy
Metals
Particle size
Wire
Oxidation
Scanning electron microscopy

Keywords

  • Auxiliary electrode
  • Characterization
  • NiOOH
  • Particle size

ASJC Scopus subject areas

  • Electrochemistry

Cite this

Preparation and characterization of nano size NiOOH by direct electrochemical oxidation of nickel plate. / Hamdan, Mohd Syafiq; Riyanto, ; Othman, Mohamed Rozali.

In: International Journal of Electrochemical Science, Vol. 8, No. 4, 04.2013, p. 4747-4760.

Research output: Contribution to journalArticle

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