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HYSYDAYS
1st World Congress of Young Scientists on Hydrogen Energy Systems

ISBN 打印: 1-56700-230-7

MOLTEN CARBONATE FUEL CELLS: PERFORMANCE DEGRADATION OF MATERIALS FOR METALLIC COMPONENTS

Abstract

Molten carbonate fuel cells (MCFCs) are electrochemical devices that convert energy of a chemical reaction into electricity without any kind of combustion. The MCFCs work approximately at 650°C; in this way a sufficient conductivity of carbonate electrolyte can be reached. Moreover, gaseous fuel, composed prevalently by H2, is fed continuously to the anode and an oxidant gas (mixture of air and CO2) is fed continuously to the cathode. The electrochemical reactions at the electrodes produce an electric current. So, MCFCs are promising for their high efficiency and their low environmental pollution. A limiting aspect for reaching the life-time goal is the corrosion of metallic parts of MCFC, especially for current collectors and separator plates in anodic environment.
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