An anion exchange membrane fuel cell (alkaline membrane fuel cell) was operated after the absorption of carbon dioxide. The release of carbon dioxide from the anode, which is known as “self-purging”, was observed during cell operation. The content of carbonate ions in the electrolyte membrane after it reached a steady-state was assumed to be a function of the current density. A mathematical model was developed to explain the experimental results.
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Siroma et al. (2011) studied this question.
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