Study of CoO as an anode catalyst for a membraneless direct borohydride fuel cell

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Abstract

In this paper, cobalt(II) oxide (CoO) has been used as an anode catalyst in a direct borohydride fuel cell (DBFC). The microstructure of CoO has been characterised by X-ray diffraction. The cell performance and short-term performance stability of the DBFC using the CoO as anode catalyst have been investigated. At the optimum conditions, the maximum power density of 80 mW cm-2 has been achieved at 30 °C for this cell without using any precious metals and ion exchange membranes. Results from XRD, TEM, and XPS analysis confirm that the good performance of the fuel cell is attributed to the co-operation of CoO and CoB which formed from CoO during the operation.

Original languageEnglish
Pages (from-to)7202-7206
Number of pages5
JournalJournal of Power Sources
Volume195
Issue number21
DOIs
StatePublished - 1 Nov 2010

Keywords

  • Cell performance
  • Cobalt(II) oxide
  • Direct borohydride fuel cell

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