Serially connected solid oxide fuel cells having monolithic...

Details Serially connected solid oxide fuel cells having monolithic... Serially connected solid oxide fuel cells having monolithic...

H - Electricity

01

M

319/9

H01M 8/00 (2006.01) H01M 8/10 (2006.01) H01M 8/24 (2006.01)

Patent

CA 1269699

SERIALLY CONNECTED SOLID OXIDE FUEL CELLS HAVING MONOLITHIC CORES ABSTRACT A solid oxide fuel cell for electrochemically combining fuel and oxidant for generating galvanic output, wherein the cell core has an array of cell segments electrically serially connected in the flow direction, each segment consisting of electrolyte walls and interconnect that are substantially devoid of any composite inert materials for support. Instead, the core is monolithic, where each electrolyte wall consists of thin layers of cathode and anode materials sandwiching a thin layer of electrolyte material therebetween. Means direct the fuel to the anode-exposed core passageways and means direct the oxidant to the cathode-exposed core passage- ways; and means also direct the galvanic output to an exterior circuit. Each layer of the electrolyte composite materials is of the order of 0.002-0.01 cm thick; and each layer of the cathode and anode materials is of the order of 0,002-0.05 cm thick. Between 2 and 50 cell segments may be connected in series.

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