Electrical generating plant

Details Electrical generating plant Electrical generating plant

H - Electricity

01

M

319/4

H01M 8/06 (2006.01) B63G 8/08 (2006.01) C01B 3/32 (2006.01) C01B 13/02 (2006.01)

Patent

CA 1311264

-1- ABSTRACT OF THE DISCLOSURE There is disclosed an electrical generating plant, especially for use in a submarine, having dual modes of operation and which comprises a fuel cell which requires a supply of gaseous hydrogen and a supply of gaseous oxygen in order to generate an electrical output. First supply means supplies to the plant a hydrogen-containing compound, preferably methanol, which is liquid at NTP and which can undergo an endothermic reaction to liberate gaseous hydrogen, and second supply means is provided which is selectively operable for supplying to the plant liquid hydrogen peroxide in a first mode of operation and air in a second mode of operation. A reformer is connected to the first supply means and causes the hydrogen-containing compound to undergo the endothermic reaction with liberation of gaseous hydrogen, whereas a decomposer is selectively connectible to the second supply means, in the first mode of operation, and is arranged to decompose the hydrogen peroxide exothermically so as to liberate gaseous oxygen. Means is provided, preferably by means of the decomposer in the first mode of operation, for transmitting heat to the hydrogen-containing compound, prior to and/or during its reception by the reformer, so as to maintain the endothermic reaction in the reformer. However, for the second mode of operation, separate means is provided for supplying heat to the reformer, in order to maintain the endothermic reaction. The gaseous hydrogen given-off in the reformer is supplied to the fuel cell, in the first and second modes of operation. Concerning the supply of gaseous oxygen to the fuel cell, this is derived from the decomposer in the first mode of operation, whereas it is obtained from an air source in the second mode of operation, whereby an electrical output is obtainable from the fuel cell in the first or the second modes of -2- operation. When the electrical generating plant is applied to a submarine, the plant can operate in the first mode of operation underwater, and in the second mode of operation during surface or snorting operation of the submarine.

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