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Molten carbonate type or phosphoric acid type fuel cells and a method for supplementing these fuel cells with an electrolyte are disclosed. A fuel cell having an extended life is provided by scattering a plurality of sealed supplementary electrolyte containers made of a material which is soluble in

Molten carbonate type or phosphoric acid type fuel cells and a method for supplementing these fuel cells with an electrolyte are disclosed. A fuel cell having an extended life is provided by scattering a plurality of sealed supplementary electrolyte containers made of a material which is soluble in the electrolyte at elevated temperatures, and supplying the supplementary electrolyte from the dissolved containers to the fuel cell while the cell is working.

대표청구항 ▼

A fuel cell comprising an electrolyte member impregnated with an electrolyte, a pair of electrodes sandwiching the electrolyte member, and separators, each being disposed facing to one of the electrodes on the side thereof remote from the electrolyte member and having channels formed, through which

A fuel cell comprising an electrolyte member impregnated with an electrolyte, a pair of electrodes sandwiching the electrolyte member, and separators, each being disposed facing to one of the electrodes on the side thereof remote from the electrolyte member and having channels formed, through which a reaction gas passes to the adjacent electrode, wherein a plurality of sealed supplementary electrolyte containers made of a material soluble in the electrolyte at elevated temperatures and filled with the electrolyte are disposed scatteredly inside the fuel cell.