Solid oxide fuel cell systems
A fuel cell system and fuel cell technology, applied in fuel cells, fuel cell grouping, fuel cell additives, etc., can solve problems such as low system efficiency
Inactive Publication Date: 2013-09-25
CORNING INC
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In addition, external heating is often required to heat the reactants to their optimum reaction temperature, which leads to overall system inefficiency
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[0036] The following description of the invention is provided to present the best currently known embodiment of the invention. To this end, those skilled in the art will recognize and appreciate that many changes can be made to the various embodiments of the invention described herein while still obtaining the beneficial results of the invention. It will also be appreciated that certain desirable advantages of the invention can be obtained by selecting certain features of the invention without utilizing other features. Accordingly, those skilled in the art will recognize that many modifications and adaptations to the present invention are possible and can even be desirable in certain circumstances and are a part of the present invention. Accordingly, the following description is provided to explain the principles of the present invention and not to limit the present invention.
[0037] As used herein, the singular articles "a," "an," and "the" include plural referents unless ...
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Abstract
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.
Description
[0001] statement [0002] This application claims priority benefit to US Patent Application Serial No. 61 / 130,475, filed May 30, 2008, upon which the disclosure is based and incorporated by reference in its entirety. [0003] This invention was made with Government support under Cooperative Agreement 70NANB4H3036 awarded by the National Institute of Standards and Technology (NIST). The government has certain rights in this invention. technical field [0004] The present invention relates to solid oxide fuel cells, and more particularly, to systems and methods for managing thermal energy generated by electrochemical reactions within a reaction chamber. Background technique [0005] Recently, great attention has been focused on fuel cells as clean energy sources, which can efficiently convert energy in an environmentally friendly manner. A solid oxide fuel cell (SOFC) is one type of fuel cell that operates at very high temperatures, typically between 700°C and 1000°C. Soli...
Claims
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IPC IPC(8): H01M8/02H01M8/04H01M8/24F28D9/00
CPCF28F3/12F28F21/08H01M8/04014H01M8/04104H01M8/2475H01M8/242Y02E60/50F28D9/0037H01M8/04074H01M8/04268F28D9/0043F28F2265/26H01M8/0273H01M8/2425H01M8/2432H01M8/2483
Inventor M·E·波丁W·J·布顿陈鹏S·J·格瑞格斯基
Owner CORNING INC