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Fuelcell Energy (FCEL)

Utility
In-situ monitoring of flue gas contaminants for fuel cell systems
14 Jun 22
A power production system includes a fuel cell separation system configured to receive a flue gas and to produce electrical power therefrom; a flue gas polishing system positioned upstream of the fuel cell separation system and configured to remove contaminants in the flue gas; a flue gas analyzer configured to measure in real-time an amount of the contaminants in the flue gas; and a plant control system operatively coupled to the flue gas polishing system, the flue gas analyzer, and the fuel cell separation system and configured to adjust operational parameters of the flue gas polishing system.
Hossein Ghezel-Ayagh, Stephen Jolly
Filed: 21 Apr 17
Utility
Operation of Molten Carbonate Fuel Cells with High Electrolyte Fill Level
2 Jun 22
An elevated target amount of electrolyte is used to initially fill a molten carbonate fuel cell that is operated under carbon capture conditions.
Jonathan Rosen, Heather A. Elsen, Gabor Kiss, William A. Lamberti, William C. Horn, Anding Zhang, Timothy C. Geary, Adam Franco, Abdelkader Hilmi
Filed: 22 Feb 22
Utility
Fluidized catalytic cracking unit system with integrated reformer-electrolyzer-purifier
24 May 22
A fluidized catalytic cracking unit system includes a fluidized catalytic cracking unit assembly comprising a cracking unit; a reformer-electrolyzer-purifier assembly comprising a reformer-electrolyzer-purifier cell, the reformer-electrolyzer-purifier cell comprising an anode section and a cathode section; and a carbon capture assembly.
Fred C. Jahnke
Filed: 19 Apr 17
Utility
Selectively rotated flow field for thermal management in a fuel cell stack
17 May 22
An electrochemical cell stack comprises a plurality of electrochemical cell units, each comprising a cathode, an anode, and an electrolyte, and also comprises a plurality of interconnects.
Casy Cloudless Brown, Khun Bong Luc
Filed: 19 Dec 19
Utility
Operation of molten carbonate fuel cells with high electrolyte fill level
17 May 22
An elevated target amount of electrolyte is used to initially fill a molten carbonate fuel cell that is operated under carbon capture conditions.
Jonathan Rosen, Heather A. Elsen, Gabor Kiss, William A. Lamberti, William C. Horn, Anding Zhang, Timothy C. Geary, Adam Franco, Abdelkader Hilmi
Filed: 26 Nov 19
Utility
Energy Storage for Combustion Turbine Using Molten Carbonate Electrolyzer Cell
12 May 22
An energy storage system includes: a reformer configured to receive natural gas and steam and to output reformed natural gas; a combustion turbine configured to output heated sweep gas; and a molten carbonate electrolyzer cell (“MCEC”) including: an MCEC anode, and an MCEC cathode configured to receive the heated sweep gas from the combustion turbine.
Fred C. JAHNKE
Filed: 24 Jan 22
Utility
High efficiency fuel cell system with hydrogen and syngas export
19 Apr 22
A fuel cell system includes at least one topping fuel cell module including a topping anode portion configured to output a topping anode exhaust, and a topping cathode portion configured to output a topping cathode exhaust; at least one bottoming fuel cell module including a bottoming anode portion configured to output a bottoming anode exhaust, and a bottoming cathode portion configured to output a bottoming cathode exhaust; and an electrochemical hydrogen separation unit configured to receive at least a portion of the topping anode exhaust, to output a hydrogen-rich stream, and to output a CO2-rich stream.
Ramakrishnan Venkataraman, Mohammad Farooque
Filed: 20 Apr 17
Utility
Humidity transfer assemblies for fuel cells and higher-temperature electrochemical systems
5 Apr 22
A humidity transfer assembly includes a pressure vessel and a humidity transfer device disposed in the pressure vessel.
Pinakin Patel, Jonathan Malwitz, Ludwig Lipp, Jesse Roy
Filed: 29 Aug 19
Utility
Carbon Dioxide Production from Carbonate Fuel Cells
17 Mar 22
A fuel cell system includes a fuel cell stack having a plurality of fuel cells that each contain a plurality of fuel electrodes and air electrodes.
Anthony Leo, Stephen Jolly, James Kim
Filed: 15 Sep 21
Utility
Ceramic felt material for high-temperature fuel cells
15 Mar 22
An inorganic felt material includes zirconia stabilized by at least one Group IIA material, such that the Group IIA material includes at least one of calcium (Ca), magnesium (Mg), or a combination thereof.
Matthew T. Snider, Chao-yi Yuh
Filed: 13 Jun 18
Utility
Energy storage for combustion turbine using molten carbonate electrolyzer cell
1 Mar 22
An energy storage system includes: a combustion turbine configured to output heated sweep gas; a reformer configured to receive natural gas and steam and to output reformed natural gas; a molten carbonate electrolyzer cell (“MCEC”) comprising an MCEC anode and an MCEC cathode, wherein the MCEC is configured to operate in a hydrogen-generation mode in which: the MCEC anode receives the reformed natural gas from the reformer, and outputs MCEC anode exhaust that contains hydrogen, and the MCEC cathode is configured to receive heated sweep gas from the combustion turbine, and to output MCEC cathode exhaust; and a storage tank configured to receive the MCEC anode exhaust that contains hydrogen.
Fred C. Jahnke
Filed: 9 Aug 21
Utility
Two-phase water cooling in an electrochemical hydrogen separator
1 Mar 22
A cooling plate assembly includes an anode half-plate having an anode upper surface and an opposing anode lower surface, and a cathode half-plate having a cathode upper surface and an opposing cathode lower surface, the cathode lower surface configured to engage the anode upper surface.
Pinakin Patel, Jonathan Malwitz, Ray Kopp, Ludwig Lipp, Jesse Roy
Filed: 9 Sep 19
Utility
Heat Exchanger with Porous Material
3 Feb 22
A method for manufacturing a heat exchanger includes: providing a porous material that has a porosity of about 30% to about 80%; forming an oxide layer on a surface of the porous material by heat treating the porous material at a temperature in a range of 600° C. to 900° C. for a time period in a range of 8 hours to 12 hours in air; and integrating the porous material into a cold side flow passage of the heat exchanger.
Matthew LAMBRECH, Joseph M. DALY, Andrew SKOK, Kazim NAQVI, Dennis FARRENKOPF, Ling CHEN, Allen ADRIANI
Filed: 18 Oct 21
Utility
Regeneration of molten carbonate fuel cells for deep CO
28 Dec 21
Systems and methods are provided for operating molten carbonate fuel cells to allow for periodic regeneration of the fuel cells while performing elevated CO2 capture.
Timothy A. Barckholtz, Jonathan Rosen, Carla S. Pereira, Rodrigo F. Blanco Gutierrez, Frank Hershkowitz, Carl A. Willman, Timothy C. Geary
Filed: 26 Nov 19
Utility
Molten carbonate fuel cell anode exhaust post-processing for carbon dioxide
28 Dec 21
A fuel cell system includes a first fuel cell having a first anode and a first cathode, wherein the first anode is configured to output a first anode exhaust gas.
Hossein Ghezel-Ayagh
Filed: 20 Apr 17
Utility
System for Rebalancing a Pressure Differential In a Fuel Cell Using Gas Injection
23 Dec 21
A fuel cell system includes a fuel cell module having an anode having an anode inlet configured to receive anode feed gas and an anode outlet configured to output anode exhaust into an anode exhaust conduit.
Robert S. Fournier, Thomas J. Voytek, Joseph M. Daly
Filed: 21 Jun 21
Utility
Reinforced matrix for molten carbonate fuel cell and method for manufacturing the same
21 Dec 21
A reinforced electrolyte matrix for a molten carbonate fuel cell includes a porous ceramic matrix, a molten carbonate salt provided in the porous ceramic matrix, and at least one reinforcing structure comprised of at least one of yttrium, zirconium, cerium or oxides thereof.
Arun Surendranath, Abdelkader Hilmi, Chao-Yi Yuh
Filed: 21 Nov 16
Utility
System and method for removing water and hydrogen from anode exhaust
14 Dec 21
A fuel cell system includes an anode configured to output an anode exhaust stream comprising hydrogen, carbon dioxide, and water; and a membrane dryer configured to receive the anode exhaust stream, remove water from the anode exhaust stream, and output a membrane dryer outlet stream.
Stephen Jolly, Frank J. Chimbole, Jr., Fred C. Jahnke, Jonathan Malwitz, Hossein Ghezel-Ayagh
Filed: 21 Dec 18
Utility
Energy Storage for Combustion Turbine Using Molten Carbonate Electrolyzer Cell
25 Nov 21
An energy storage system includes: a combustion turbine configured to output heated sweep gas; a reformer configured to receive natural gas and steam and to output reformed natural gas; a molten carbonate electrolyzer cell (“MCEC”) comprising an MCEC anode and an MCEC cathode, wherein the MCEC is configured to operate in a hydrogen-generation mode in which: the MCEC anode receives the reformed natural gas from the reformer, and outputs MCEC anode exhaust that contains hydrogen, and the MCEC cathode is configured to receive heated sweep gas from the combustion turbine, and to output MCEC cathode exhaust; and a storage tank configured to receive the MCEC anode exhaust that contains hydrogen.
Fred C. JAHNKE
Filed: 9 Aug 21
Utility
Heat exchanger with porous material
16 Nov 21
A heat exchanger includes a porous material in a cold side flow passage.
Matthew Lambrech, Joseph M. Daly, Andrew Skok, Kazim Naqvi, Dennis Farrenkopf, Ling Chen, Allen Adriani
Filed: 24 Oct 17
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