Electric power plant using electrolytic cell-fuel cell combinati

Details Electric power plant using electrolytic cell-fuel cell combinati Electric power plant using electrolytic cell-fuel cell combinati

1976-08-13

1978-05-09

Ostrager, Allen M.

Power plants

Motive fluid energized by externally applied heat

60721, 60648, 429 17, 429 20, 204DIG4, F01K 2700, C25B 104

Patent

active

040879763

ABSTRACT:
High-temperature (1200-1500K) electrolysis of water and recombination of the products in a medium-temperature (530K) fuel cell achieve a practical efficiency exceeding 50%. A solid electrolyte is chosen for the electrolytic cell and in combination with the Bacon fuel cell, which offers high efficiency and automatic replenishing of water vapor into the cycle realizes a high-efficiency electrochemical cycle. Both high-temperature, gas-cooled reactors and conventional combustion processes may be used as heat sources. Unconventional heat sources, such as concentrated solar energy, can also be used. A regenerative counterflow heat exchanger and a waste-heat power plant serve as energy-conserving devices. An important feature of this cycle is the flexibility of operation that can be achieved by adding hydrogen storage. Switching among power-generating, load-averaging, and hydrogen-generating modes can then be done by simple gas-flow valves.

REFERENCES:
patent: 3615850 (1971-10-01), Chludzinski
patent: 3829368 (1974-08-01), Wesley

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