Preparation of nanosized nickel powder by direct-current electrolysis combined with high-voltage spark discharge

K. S. Ibishev, V. P. Malyshev, V. S. Kim, B. Sh Sarsembaev, N. B. Egorov

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The possibility of obtaining nanosized nickel powder by simultaneous dc electrolysis and high-voltage spark discharge has been explored. The powder has been prepared from a nickel sulfate-containing electrolyte using soluble nickel anodes at a cathodic current density in the range of 11000–19000 A/m2, a voltage on the spark gap of 12–16 kV, and a pulse repetition frequency of 0.5 Hz. The effect of various factors on the synthesis of the powder has been studied and the optimum conditions for its preparation have been found using mathematical experiment design. The size distribution of particles has been determined with a particle size analyzer. The BET specific surface area of the powder has been measured to be 11.7 ± 2.1 m2/g.

Original languageEnglish
Pages (from-to)219-223
Number of pages5
JournalHigh Energy Chemistry
Volume51
Issue number3
DOIs
Publication statusPublished - 1 May 2017

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electric sparks
electrolysis
Nickel
Electric sparks
Electrolysis
Powders
high voltages
direct current
nickel
preparation
Electric potential
spark gaps
experiment design
Specific surface area
Electrolytes
sulfates
repetition
analyzers
Anodes
anodes

Keywords

  • electrolysis
  • nickel powder
  • spark discharge

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

Cite this

Preparation of nanosized nickel powder by direct-current electrolysis combined with high-voltage spark discharge. / Ibishev, K. S.; Malyshev, V. P.; Kim, V. S.; Sarsembaev, B. Sh; Egorov, N. B.

In: High Energy Chemistry, Vol. 51, No. 3, 01.05.2017, p. 219-223.

Research output: Contribution to journalArticle

Ibishev, K. S. ; Malyshev, V. P. ; Kim, V. S. ; Sarsembaev, B. Sh ; Egorov, N. B. / Preparation of nanosized nickel powder by direct-current electrolysis combined with high-voltage spark discharge. In: High Energy Chemistry. 2017 ; Vol. 51, No. 3. pp. 219-223.
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