62 patents
Utility
Hydrogen Generation Using a Fuel Cell System with an Rep
2 Nov 23
A fuel cell system includes: a fuel cell including: an anode, and a cathode configured to output cathode exhaust, wherein: the fuel cell is configured to generate waste heat; a reformer configured to partially reform a feed gas using the waste heat and output a hydrogen-containing stream; a reformer-electrolyzer-purifier (“REP”) including: an REP anode configured to receive a first portion of the hydrogen-containing stream, and an REP cathode; and an indirect reforming unit disposed on the anode, which is configured to further reform the hydrogen-containing stream and output a fuel turn gas.
Fred C. JAHNKE, Matthew LAMBRECH
Filed: 18 May 23
Utility
Fuel Cell with Protection from Pressure Imbalance
12 Oct 23
A fuel cell system includes a fuel cell.
Joseph M. DALY, Jeffrey BROWN, Matthew CROWLEY, Robert S. FOURNIER, William J. SNYDER, Fred C. JAHNKE
Filed: 13 Jun 23
Utility
Supported Nickel Catalysts Used As Direct Internal Reforming Catalyst In Molten Carbonate Fuel Cells
17 Aug 23
Disclosed here is a supported catalyst comprising a thermally stable core, wherein the thermally stable core comprises a metal oxide support and nickel disposed in the metal oxide support, wherein the metal oxide support comprises at least one base metal oxide and at least one transition metal oxide or rare earth metal oxide mixed with or dispersed in the base metal oxide.
Jin-Yun WANG, Mohammad FAROOQUE, Ramakrishnan VENKATARAMAN, Chao-Yi YUH, April CORPUZ
Filed: 10 Feb 23
Utility
Sintered Anode For Molten Carbonate Fuel Cell
3 Aug 23
Systems and methods are provided for improving the operation of molten carbonate fuel cells that include cathode current collector structures that have reduced contact area with the cathode in order to create increased cathode open surface area.
Jonathan S. ROSEN, Gabor KISS, Timothy A. BARCKHOLTZ, Lu HAN, William A. LAMBERTI, William C. HORN, Abdelkader HILMI, Timothy C. GEARY, Carl A. WILLMAN, Adam W. FRANCO
Filed: 23 Jan 23
Utility
System Including Fuel Cell Assembly Voltage Monitor
30 Mar 23
A method for controlling a carbon dioxide utilization in a fuel cell assembly includes: measuring a voltage across the fuel cell assembly; determining an estimated carbon dioxide utilization of the fuel cell assembly based on at least the measured voltage across the fuel cell assembly by determining an expected voltage of the fuel cell assembly based on at least a temperature of the fuel cell assembly, a current density across the fuel cell assembly, a fuel utilization of the fuel cell assembly, and a cathode oxygen utilization of the fuel cell assembly; determining the estimated carbon dioxide utilization based on a comparison between the measured voltage and the determined expected voltage; comparing the determined estimated carbon dioxide utilization to a predetermined threshold utilization; and upon determining that the determined estimated carbon dioxide utilization is higher than the predetermined threshold utilization, reducing the carbon utilization of the fuel cell assembly.
Joseph Michael DALY, Stephen JOLLY, Ramakrishnan VENKATARAMAN, Eric NUHFER
Filed: 30 Nov 22
Utility
Fuel Cell Staging for Molten Carbonate Fuel Cells
5 Jan 23
Systems and methods are provided for using fuel cell staging to reduce or minimize variations in current density when operating molten carbonate fuel cells with elevated CO2 utilization.
Rodrigo F. Blanco Gutierrez, Eric B. Shen, Carla S. Pereira, Keith E. Davis, Hossein Ghezel-Ayagh
Filed: 9 Sep 22
Utility
Elevated Pressure Operation Of Molten Carbonate Fuel Cells With Enhanced CO2 Utilization
3 Nov 22
Molten carbonate fuel cells (MCFCs) are operated at elevated pressure to provide increased operating voltage and/or enhanced CO2 utilization with a cathode input stream having a low CO2 content.
Jonathan Rosen, Eric B. Shen, Timothy C. Geary
Filed: 18 Jul 22
Utility
Edge Leveler with Offset Rollers
29 Sep 22
An edge leveler for leveling an edge of a plate includes a plurality of first rollers and a plurality of second rollers.
Benjamin ALDRICH, Carson PAYNE, Steve RULLI, Marc GIZZIE, Steve AYRES
Filed: 14 Jun 22
Utility
System and Method for Producing Hydrogen Using High Temperature Fuel Cells
15 Sep 22
A steam methane reformer-integrated fuel cell system includes: at least one fuel cell including: an anode, a cathode, and an electrolyte matrix separating the anode and the cathode; an anode gas oxidizer (AGO) configured to receive anode exhaust gas from the at least one fuel cell and a preheated air stream such that the anode exhaust gas reacts with the preheated air stream to produce a high-temperature exhaust stream, and configured to provide the high-temperature exhaust stream to the cathode of the at least one fuel cell; and a steam methane reformer configured to utilize heat from the high-temperature exhaust stream output from the AGO and to react methane with steam to produce a first product stream including hydrogen (H2), carbon dioxide (CO2), and carbon monoxide (CO).
Fred C. Jahnke, Matthew Lambrech
Filed: 25 May 22
Utility
Flow Baffle for Molten Carbonate Fuel Cell
11 Aug 22
Molten carbonate fuel cell configurations are provided that allow for introduction of an anode input gas flow on a side of the fuel cell that is adjacent to the entry side for the cathode input gas flow while allowing the anode and cathode to operate under co-current flow and/or counter-current flow conditions.
Christopher Howard, Brandon J. O'Neill, Paul J. Rubas, Frank Hershkowitz, Lu Han, Lawrence J. Novacco, Frank J. Dobek, Keith David, Brian Bullecks
Filed: 11 Feb 21
Utility
Fluidized Catalytic Cracking Unit System with Integrated Reformer-electrolyzer-purifier
4 Aug 22
A fluidized catalytic cracking unit system includes: a fluidized catalytic cracking unit assembly including a first catalyst regenerator and a cracking unit, the cracking unit configured to output spent catalyst to the first catalyst regenerator; and a reformer-electrolyzer-purifier assembly comprising a reformer-electrolyzer-purifier cell, the reformer-electrolyzer-purifier cell comprising an anode section and a cathode section.
Fred C. JAHNKE
Filed: 22 Apr 22
Utility
Solid Oxide Fuel Cell System with Carbon Capture and Increased Efficiency
4 Aug 22
A fuel cell system includes a fuel cell module having an inlet and an outlet.
Casy Cloudless BROWN
Filed: 3 Dec 21
Utility
High Efficiency Humidity Management System for Fuel Cells and Higher-temperature Electrochemical Systems
28 Jul 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: 28 Feb 22
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
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
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
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
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
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
Steam Methane Reforming Unit for Carbon Capture
16 Sep 21
A molten carbonate fuel cell-powered system for capturing carbon dioxide produced by a steam methane reformer system.
Fred C. JAHNKE, Stephen JOLLY, Hossein GHEZEL-AYAGH
Filed: 8 Mar 21