Anchored cobalt film as stable supported catalyst for hydrolysis of sodium borohydride for chemical hydrogen storage

Ouardia Akdim, Rita Chamoun, Umit B. Demirci, Youssef Zaatar, Antonio Khoury, Philippe Miele

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Electrodeposition was used to deposit cobalt over polycarbonate membrane (PCM), which was used as stable supported catalyst in hydrolysis of sodium borohydride NaBH4. We selected PCM as support owing to its lightness, easy handling, stability, and porous structure with nanosized channels. Our primary objective was to obtain a catalytic film resistant to both physical degradation and delamination while H2 bubbled on its surface. A thin film consisting of mushroom-like cobalt nanoarchitectures were prepared. By SEM, we observed that it is strongly embedded into the PCM thickness, with the anchoring occurring through the channels. This shaped catalyst was mechanically stable and did not show degradation during the reaction. The main results are reported and discussed in details herein.

Original languageEnglish
Pages (from-to)14527-14533
Number of pages7
JournalInternational Journal of Hydrogen Energy
Volume36
Issue number22
DOIs
Publication statusPublished - 1 Nov 2011
Externally publishedYes

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Keywords

  • Chemical hydrogen storage
  • Cobalt catalyst
  • Electrodeposition
  • Hydrolysis
  • Polycarbonate membrane
  • Sodium borohydride

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

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