Exfoliated nickel hydroxide nanosheets for urea electrolysis

Dan Wang, Wei Yan, Gerardine G. Botte

Research output: Contribution to journalArticlepeer-review

102 Scopus citations

Abstract

Two-dimensional nickel hydroxide nanosheets were synthesized by exfoliating surfactant intercalated layered nickel hydroxides and developed as electrocatalysts for urea electro-oxidation. The electro-oxidation of urea on Ni(OH)2 nanosheet modified electrodes shows a decrease of 100 mV in overpotential and an enhancement in current density, which reaches ca.154 mA cm- 2 mg- 1, by a factor of ca. 170 compared to bulk Ni(OH)2 powder modified electrodes. The Ni(OH)2 nanosheets have promising applications in urea-rich wastewater remediation, hydrogen production, electrochemical sensors, and fuel cells due to their ability to promote the urea electrolysis reaction.

Original languageEnglish
Pages (from-to)1135-1138
Number of pages4
JournalElectrochemistry Communications
Volume13
Issue number10
DOIs
StatePublished - Oct 2011

Keywords

  • Electrocatalysts
  • Hydrogen production
  • Nickel hydroxide nanosheets
  • Urea electrolysis

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