According to one embodiment of the present invention a fuel cell system comprises: (i) a plurality of fuel cell packets, each packet comprising at least one fuel inlet, at least one fuel outlet, a frame, and two multi-cell fuel cell devices, the fuel cell devices situated such that an anode side of
According to one embodiment of the present invention a fuel cell system comprises: (i) a plurality of fuel cell packets, each packet comprising at least one fuel inlet, at least one fuel outlet, a frame, and two multi-cell fuel cell devices, the fuel cell devices situated such that an anode side of one fuel cell device faces an anode side of another fuel cell device, and the two fuel cell devices, in combination, at least partially form a fuel chamber connected to the fuel inlet and the fuel outlet; (ii) a plurality of heat exchange packets, each packet comprising at least one oxidant inlet, at least one oxidant outlet, and an internal oxidant chamber connected to the at least one oxidant inlet and the least one oxidant outlet; the heat exchange packets being parallel to and interspersed between the fuel cell packets, such that the heat exchange packets face the fuel cell packets and form, at least in part, a plurality of cathode reaction chambers between the heat exchange packets and the fuel cell packets; (iii) a housing supporting and enclosing the fuel packets and the heat exchange packets; (iv) an oxidant inlet plenum operatively connected to oxidant inlets of the heat exchange packets; (v) an oxidant exhaust plenum operatively connected to the cathode reaction chambers; (vi) an inlet fuel manifold connected to fuel inlets of the fuel cell packets; and (vii) an exhaust fuel manifold connected to the fuel outlets of the fuel cell packets.
대표청구항▼
1. A fuel cell system comprising: a. a plurality of fuel cell packets, each packet comprising at least one fuel inlet, at least one fuel outlet, a frame, and two multi-cell fuel cell devices, said fuel cell devices situated such that an anode side of one fuel cell device faces an anode side of anoth
1. A fuel cell system comprising: a. a plurality of fuel cell packets, each packet comprising at least one fuel inlet, at least one fuel outlet, a frame, and two multi-cell fuel cell devices, said fuel cell devices situated such that an anode side of one fuel cell device faces an anode side of another fuel cell device and said two fuel cell devices, in combination, at least partially form a fuel chamber connected to said fuel inlet and said fuel outlet;b. a plurality of heat exchange packets, each packet comprising at least one oxidant inlet, at least one oxidant outlet, and an internal oxidant chamber connected to said at least one oxidant inlet and the at least one oxidant outlet; said heat exchange packets being parallel to and interspersed between said fuel cell packets, such that the heat exchange packets face said fuel cell packets and form, at least in part, a plurality of cathode reaction chambers between said heat exchange packets and said fuel cell packets;c. a housing supporting and enclosing said fuel packets and said heat exchange packets;d. an oxidant inlet plenum operatively connected to oxidant inlets of the heat exchange packets;e. an oxidant exhaust plenum operatively connected to said cathode reaction chambers;f. an inlet fuel manifold connected to fuel inlets of the fuel cell packets; andg. an exhaust fuel manifold connected to the fuel outlets of the fuel cell packets. 2. A fuel cell system according to claim 1, comprising: an oxidant turnaround plenum and including least one diffuser plate, said oxidant turnaround plenum being operatively connected to: the oxidant outlets of the heat exchange packets; and the oxidant inlet side of the cathode reaction chambers. 3. A fuel cell system according to claim 2, further comprising a secondary oxidant exhaust (i) connected to the alternative oxidant plenum; and (ii) comprising a valve capable of controlling backpressure in the alternative oxidant plenum. 4. A fuel cell system according to claim 1, further comprising a secondary oxidant exhaust (i) connected to the alternative oxidant plenum; and (ii) comprising a valve capable of controlling backpressure in the alternative oxidant plenum. 5. A fuel cell system according to claim 1 wherein said fuel cell packets are fabricated from stainless steel alloy with a thickness less than 1 mm. 6. A fuel cell system according to claim 1 wherein said heat exchange packets are fabricated from stainless steel alloy with a thickness less than 1 mm. 7. A fuel cell system according to claim 1 said heat exchange packets include a frame and two planar electrolyte sheets, said sheets being arranged parallel to one another, such that the internal chamber formed between said electrolyte sheets forms an oxidant preheating chamber. 8. A fuel cell system according to claim 1 wherein the direction of fuel flow in the fuel cell packets is substantially in the direction of gravity. 9. A fuel cell system according to claim 1 wherein said (1) fuel cell packets, (b) heat exchanger packets, (c) housing, (d) inlet oxidant plenum, (e) oxidant exhaust plenum, d, (f) inlet fuel manifold, and/or (g) exhaust fuel manifold include a coating capable of preventing oxide volatization. 10. A fuel cell system according to claim 1 comprising a fuel cell stack core, wherein said fuel cell stack core comprises of said plurality of fuel cell packets, said fuel cell system additionally comprising a thermal insulation surrounding fuel cell stack core, said thermal insulation comprising: a. an air cavity located between said thermal insulation and said fuel cell stack core; andb. an opening between said air cavity and ambient air. 11. A fuel cell system according to claim 10 wherein exhaust oxidant gas travels through said fuel cell stack core and said insulation prior to traveling through said opening. 12. A fuel cell system according to claim 11 wherein said thermal insulation additionally comprises embedded electrical heating panels parallel to each face of said fuel cell stack core.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (7)
Haltiner, Jr., Karl J.; Kelly, Sean M., Co-flow anode/cathode supply heat exchanger for a solid-oxide fuel cell assembly.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.