Abstract: A fuel cell power system and method for identifying and compensating for variations identified in a fuel composition of a fuel cell power system, comprising the fuel cell system components selected from the group consisting of a catalytic oxidizer, a reformer, an exhaust, a fuel cell stack or system, or a combination thereof; and a control device configured to control the fuel cell system components, wherein the control device comprises a computer algorithm to indirectly correlate measurements of the fuel cell system components to a difference in the fuel composition.

Abstract: The subject matter described herein generally relates to a sensor and method for monitoring gas quality of a fuel reformer in a fuel cell system or a power generation system.

Abstract: A portable caddy for disposable tableware comprising: one or more multipurpose platforms for placing tableware, a plurality of concentric vertical legs, with provision for attaching multiple holders for accessories such as bowls, cups, spoons, forks, knives, napkins, stirrers, etc. Furthermore, the caddy may be assembled in table-top mode or in free-standing floor mode with the help of extender leg attachments. The extender legs have provision for attaching one or two or more plastic bags or baskets for separately collecting organic waste or recyclable materials. Platforms may be designed strong enough to hold heavier objects so that the caddy functions as a multipurpose stand.

Abstract: Power generation systems and associated methods for generating electric power using a cascaded fuel cell are provided. The power generation system may include a first fuel cell, a second fuel cell, a splitting mechanism, a first fuel path, and a second fuel path. The First fuel cell is configured to generate first anode and first cathode tail gas streams. The splitting mechanism is configured to split the first anode tail gas stream into first and second portions. The first fuel path is configured to receive hydrocarbon fuel stream downstream of splitting mechanism, mix with the first portion to form a mixed stream, and circulate the mixed stream to the first fuel cell. The second fuel path is configured to feed the second portion to the second fuel cell. The first and second fuel cells are configured to generate electric power by using the mixed stream and the second portion respectively.

Abstract: A fuel cell stack assembly is presented. The fuel cell stack assembly includes a plurality of fuel cells and a plurality of interconnect plates. In the fuel cell stack assembly, each interconnect plate of the plurality of interconnect plates is disposed between a pair of fuel cells of the plurality of fuel cells. The fuel cell stack assembly further includes a plurality of reactant manifolds defined by the plurality of interconnect plates and a heating element disposed in a reactant manifold of the plurality of reactant manifolds.

Abstract: A system includes a first plurality of fuel cell stacks configured to generate a first portion of an electric potential and a second plurality of fuel cell stacks configured to generate a second portion of the electric potential. The system includes a positive electrical bus bar conductively coupled with the first plurality of fuel cell stacks and configured to power an electrical load using the generated electric potential. The system includes a negative electrical bus bar conductively coupled with the second plurality of fuel cell stacks and configured to electrical load using the generated electric potential. The positive electrical bus bar is elongated and extends between the first plurality of fuel cell stacks and the negative electrical bus bar is elongated and extends between the second plurality of fuel cell stacks.

Abstract: The present application provides combined cycle fuel cell systems that include a fuel cell, such as a solid-oxide fuel cell (SOFC), comprising an anode that generates a tail gas and a cathode that generates cathode exhaust. The system or plant may include adding fuel, such as processed or refined tail gas, to the inlet air stream of a reformer to heat the reformer. The system or plant may include removing water from the tail gas and recycling the removed water into an inlet fuel stream. The inlet air stream may be the cathode exhaust stream of the fuel cell, and the inlet fuel stream may be input hydrocarbon fuel that is directed to the reformer to produce hydrogen-rich reformate. The system or plant may direct some of the processed or refined tail gas to a bottoming cycle.

Abstract: The present application provides combined cycle fuel cell systems that include a fuel cell, such as a solid-oxide fuel cell (SOFC), comprising an anode that generates a tail gas and a cathode that generates cathode exhaust. The system or plant may include adding fuel, such as processed or refined tail gas, to the inlet air stream of a reformer to heat the reformer. The system or plant may include removing water from the tail gas and recycling the removed water into an inlet fuel stream. The inlet air stream may be the cathode exhaust stream of the fuel cell, and the inlet fuel stream may be input hydrocarbon fuel that is directed to the reformer to produce hydrogen-rich reformate. The system or plant may direct some of the processed or refined tail gas to a bottoming cycle.

Abstract: A power generation system including a first fuel cell configured to generate a first anode tail gas stream is presented. The system includes at least one fuel reformer configured to receive the first anode tail gas stream, mix the first anode tail gas stream with a reformer fuel stream to form a reformed stream; a splitting mechanism to split the reformed stream into a first portion and a second portion; and a fuel path configured to circulate the first portion to an anode inlet of the first fuel cell, such that the first fuel cell is configured to generate a first electric power, at least in part, by using the first portion as a fuel. The system includes a second fuel cell configured to receive the second portion, and to generate a second electric power, at least in part, by using the second portion as a fuel.

Abstract: A fuel cell stack assembly is presented. The fuel cell stack assembly includes a plurality of fuel cells and a plurality of interconnect plates. In the fuel cell stack assembly, each interconnect plate of the plurality of interconnect plates is disposed between a pair of fuel cells of the plurality of fuel cells. The fuel cell stack assembly further includes a plurality of reactant manifolds defined by the plurality of interconnect plates and a heating element disposed in a reactant manifold of the plurality of reactant manifolds.

Abstract: A system includes one or more positive fuel cell stacks configured to generate a positive portion of an electric potential and one or more negative fuel cell stacks configured to generate a negative portion of the electric potential. The system includes a positive electrical bus bar conductively coupled with the positive fuel cell stacks and configured to conduct the positive portion of the electric potential from the positive fuel cell stacks to one or more loads. The system includes a negative electrical bus bar conductively coupled with the negative fuel cell stacks and configured to conduct the negative portion of the electric potential from the negative fuel cell stacks to the one or more loads. The positive electrical bus bar is elongated and extends between the positive fuel cell stacks and the negative electrical bus bar is elongated and extends between the negative fuel cell stacks.

Abstract: Power generation systems and associated methods for generating electric power using a cascaded fuel cell are provided. The power generation system may include a first fuel cell, a second fuel cell, a splitting mechanism, a first fuel path, and a second fuel path. The First fuel cell is configured to generate first anode and first cathode tail gas streams. The splitting mechanism is configured to split the first anode tail gas stream into first and second portions. The first fuel path is configured to receive hydrocarbon fuel stream downstream of splitting mechanism, mix with the first portion to form a mixed stream, and circulate the mixed stream to the first fuel cell. The second fuel path is configured to feed the second portion to the second fuel cell. The first and second fuel cells are configured to generate electric power by using the mixed stream and the second portion respectively.

Abstract: A power generation system includes a fuel cell including an anode that generates a tail gas. The system also includes a hydrocarbon fuel reforming system that mixes a hydrocarbon fuel with the fuel cell tail gas and to convert the hydrocarbon fuel and fuel tail gas into a reformed fuel stream including CO2. The reforming system further splits the reformed fuel stream into a first portion and a second portion. The system further includes a CO2 removal system coupled in flow communication with the reforming system. The system also includes a first reformed fuel path coupled to the reforming system. The first path channels the first portion of the reformed fuel stream to an anode inlet. The system further includes a second reformed fuel path coupled to the reforming system. The second path channels the second portion of the reformed fuel stream to the CO2 removal system.

Abstract: A power generation system including a first fuel cell configured to generate a first anode tail gas stream is presented. The system includes at least one fuel reformer configured to receive the first anode tail gas stream, mix the first anode tail gas stream with a reformer fuel stream to form a reformed stream; a splitting mechanism to split the reformed stream into a first portion and a second portion; and a fuel path configured to circulate the first portion to an anode inlet of the first fuel cell, such that the first fuel cell is configured to generate a first electric power, at least in part, by using the first portion as a fuel. The system includes a second fuel cell configured to receive the second portion, and to generate a second electric power, at least in part, by using the second portion as a fuel.

Abstract: The present application provides combined cycle fuel cell systems that include a fuel cell, such as a solid-oxide fuel cell (SOFC), comprising an anode that generates a tail gas and a cathode that generates cathode exhaust. The system or plant may include adding fuel, such as processed or refined tail gas, to the inlet air stream of a reformer to heat the reformer. The system or plant may include removing water from the tail gas and recycling the removed water into an inlet fuel stream. The inlet air stream may be the cathode exhaust stream of the fuel cell, and the inlet fuel stream may be input hydrocarbon fuel that is directed to the reformer to produce hydrogen-rich reformate. The system or plant may direct some of the processed or refined tail gas to a bottoming cycle.

Abstract: A filter assembly for use in a natural gas liquefaction system is provided. The filter assembly includes a filter house that includes a first portion, a filter element positioned within the first portion and configured to collect solids entrained in slurry on a surface thereof, and a valve coupled to the first portion. A cleaning system is coupled to the filter house and configured to remove the solids from the surface of said filter element. The valve selectively actuates to facilitate removal of the solids from the surface of the filter element and channeling of the solids from the first portion through the valve.

Abstract: A power generation system includes a fuel cell including an anode that generates a tail gas. The system also includes a hydrocarbon fuel reforming system that mixes a hydrocarbon fuel with the fuel cell tail gas and to convert the hydrocarbon fuel and fuel tail gas into a reformed fuel stream including CO2. The reforming system further splits the reformed fuel stream into a first portion and a second portion. The system further includes a CO2 removal system coupled in flow communication with the reforming system. The system also includes a first reformed fuel path coupled to the reforming system. The first path channels the first portion of the reformed fuel stream to an anode inlet. The system further includes a second reformed fuel path coupled to the reforming system. The second path channels the second portion of the reformed fuel stream to the CO2 removal system.