A study on effect of hydrogen reduction reaction on the initial stage of Ni electrodeposition using EQCM

Ki Deok Song, Kwang Bum Kim, Seong Ho Han, Hong Ke Lee

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Electrodeposition of Ni from acidic sulfate solution with/without the addition of boric acid was studied by electrochemical quartz crystal microbalance (EQCM) to further investigate the initial stage of Ni deposition. EQCM analysis showed that nickel hydroxide was formed due to the pH increase near the electrode caused by hydrogen evolution in the absence of boric acid. In the presence of boric acid, nickel hydride was formed. EQCM was found to be a useful in-situ tool for investigating the effects of the evolution and absorption of hydrogen on metal deposition and separating the charge used for Ni deposition and for hydrogen reduction.

Original languageEnglish
Pages (from-to)460-466
Number of pages7
JournalElectrochemistry Communications
Volume5
Issue number6
DOIs
Publication statusPublished - 2003 Jun 1

All Science Journal Classification (ASJC) codes

  • Electrochemistry

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