Hydrogen Production From The Electro-oxidation Of Ammonia ...

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Hydrogen Production from the Electro-oxidation of Ammonia Catalyzed by Platinum and Rhodium on Raney Nickel Substrate

Matthew Cooper and Gerardine G. Botte

Published 16 August 2006 • © 2006 ECS - The Electrochemical Society Journal of The Electrochemical Society, Volume 153, Number 10Citation Matthew Cooper and Gerardine G. Botte 2006 J. Electrochem. Soc. 153 A1894DOI 10.1149/1.2240037

Authors

Matthew Cooper

AFFILIATIONS

Department of Chemical Engineering, Ohio University, Athens, Ohio 45701, USA

Author notes

Electrochemical Society Student Member.

Gerardine G. Botte

AFFILIATIONS

Department of Chemical Engineering, Ohio University, Athens, Ohio 45701, USA

Author notes

Electrochemical Society Active Member.

E-mail: [email protected]

Notes

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Open scienceAuthors

Matthew Cooper

AFFILIATIONS

Department of Chemical Engineering, Ohio University, Athens, Ohio 45701, USA

Author notes

Electrochemical Society Student Member.

Gerardine G. Botte

AFFILIATIONS

Department of Chemical Engineering, Ohio University, Athens, Ohio 45701, USA

Author notes

Electrochemical Society Active Member.

E-mail: [email protected]

Notes

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Dates

1. Received 5 August 2005
2. Revised 3 April 2006
3. Published 16 August 2006

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Abstract

The optimization of a novel anode for the production of hydrogen via an ammonia alkaline electrolytic cell is presented. The novel anode was prepared by electrodeposition and contains Raney nickel, platinum, and rhodium in its catalytic layer. The platinum and rhodium layers were optimized by considering their influences on reaction kinetics and characterization by scanning electron microscopy, energy dispersive X-ray spectroscopy, and X-ray photoelectron spectroscopy. It was demonstrated through electrochemical analysis that platinum and rhodium realized a synergistic catalytic effect on the oxidation of ammonia, showing higher activity than Pt-only electrodes with comparable catalyst loading. Hydrogen was successfully produced from a solution at at a current density of by an anode containing Rh and Pt at ambient temperature and pressure.

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Back to top10.1149/1.2240037

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