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A high-temperature fuel cell and fuel technology, applied in solid electrolyte fuel cells, fuel cells, fuel cell additives, etc., can solve the problems of reducing battery voltage, inability to use electrochemical power generation, and inefficient power generation load transfer, etc., to avoid carbon dioxide. effect of deposition
Inactive Publication Date: 2005-10-19
QUSIR TECH
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Considering the additional combustion, the heat generated by it can only be effectively absorbed through the thermal bottom cycle, so that more of the original combustion value cannot be used for relatively efficient electrochemical power generation
In addition, the oxygen/nitrogen of the cathode gas is even lower than ambient air, further reducing the cell voltage and thus shifting m
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[0048] Detailed description of preferred embodiments
[0049] Combined with the hydrogen-enriched rotary adsorption module 10 with displacement cleaning and regeneration function as the figure 1 An exemplary gas separation device used in conjunction with the high-temperature fuel cell system 12 described in -4 is used to enrich hydrogen from the anode exhaust gas and / or to concentrate or remove carbon dioxide from the anode exhaust gas. As used herein, the "rotating adsorption module" 10 includes, but is not limited to, a device in which a row of adsorbers rotates relative to a fixed valve surface or a stator, or a device in which a rotary valve surface rotates relative to a fixed row of adsorbers. The illustrated embodiment shows an adsorber mounted on a rotor, which is located in the housing of a stator with a fixed valve surface. An optional recycle gas adsorption module suitable for the described embodiment is described in the aforementioned unlicensed patent application 10 / 3...
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Abstract
Enhanced high temperature fuel cell systems, such as solid oxide fuel cell systems and molten carbonate fuel cell systems are disclosed. Embodiments of the disclosure include solid oxide and molten carbonate fuel cell systems incorporating gas separation apparati facilitating the recycle of hydrogen fuel from fuel cell anode exhaust for supply to the fuel cell anode inlet. Further embodiments of the disclosure include solid oxide and molten carbonate fuel cell systems incorporating inventive combinations of anode materials conducive to combination with enriched hydrogen fuel. Other embodiments of the disclosure include gas separation apparatus for providing enriched oxygen feed to the cathode inlet of solid oxide and molten carbonate fuel cells.
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[0001] Cross References to Related Applications [0002] This application claims U.S. Provisional Application 60 / 414,607, filed September 27, 2002, U.S. Provisional Application 60 / 472,036, filed May 19, 2003, U.S. Provisional Application 60 / 500,532, filed September 5, 2003 , and the formal United States Patent Application filed September 26, 2003 (serial number not yet assigned), all of which are hereby incorporated by reference. technical field [0003] This application is related to high temperature fuel cell systems, such as solid oxide fuel cell systems, particularly high temperature fuel cell systems combined with gas separation devices, and related copending patent applications of QuestAir Technologies, including U.S. Patent Application 09 / 591,275, 09 / 808,715, 10 / 039,940, and 10 / 352,361, the disclosures of which are incorporated herein by reference. Background technique [0004] Fuel cells provide an environmentally friendly power source. One type of high temperature...
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