Cobalt-Supported Clay as Catalytic Film Prepared by Electrophoretic Deposition for Hydrogen Release Applications

Rita Chamoun; Umit B. Demirci; David Cornu; Youssef Zaatar; Antonio Khoury; Philippe Miele

doi:10.4028/www.scientific.net/AST.65.203

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HomeAdvances in Science and TechnologyAdvances in Science and Technology Vol. 65Cobalt-Supported Clay as Catalytic Film Prepared...

Cobalt-Supported Clay as Catalytic Film Prepared by Electrophoretic Deposition for Hydrogen Release Applications

Abstract:

Shaped catalyst is much more practical than powder catalyst when the material is intended to technological applications. Nevertheless, shaping a reactive powder catalyst is not evident, loss in reactivity occurring by e.g. decreasing specific surface area. Addressing such problem has been our objective. The present paper reports methods and results about the shaping of a lab-made cobalt supported clay catalyst over a stainless steel plate (SSP) taken as substrate. The deposition method chosen is electrophoretic deposition (EPD). Clay has been chosen owing to its abundance and greenness. Herein, we report that it is feasible to make a Co-Clay-SSP shaped catalyst by EPD in a two-step process. Typically, the supported Co-Clay has first to be prepared by wet impregnation and then the as-obtained powder is deposited over the substrate by EPD. Such shaped catalyst is intended to be used in NaBH4 hydrolysis, a well known route for on-demand release of hydrogen.

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Periodical:

Advances in Science and Technology (Volume 65)

Pages:

203-208

DOI:

https://doi.org/10.4028/www.scientific.net/AST.65.203

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Online since:

October 2010

Authors:

Rita Chamoun, Umit B. Demirci, David Cornu, Youssef Zaatar, Antonio Khoury, Philippe Miele

Keywords:

Cobalt Supported on Clay, Electrophoretic Deposition (EPD), Heterogeneous Catalysis, Impregnation, Shaped Catalyst

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