132 patents
Utility
Fuel cell staging for molten carbonate fuel cells
12 Dec 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
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
31 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: 19 Feb 21
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
Edge leveler with offset rollers
10 Oct 23
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
Wet seal caulk with enhanced chemical resistance
5 Sep 23
A caulk composition includes: at least one powder component and at least one binder component.
Matthew T. Snider, Chao-yi Yuh
Filed: 31 Aug 20
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
Compact high temperature electrochemical cell stack architecture
15 Aug 23
An electrochemical cell unit comprises a first electrochemical cell comprising a first oxidant electrode and a first fuel electrode, and a second electrochemical cell comprising a second oxidant electrode and a second fuel electrode.
Casy Cloudless Brown, Khun Bong Luc, Cameron James Rankin
Filed: 30 Oct 19
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
Hydrogen generation using a fuel cell system with an REP
25 Jul 23
A fuel cell system includes a fuel cell having an anode and a cathode configured to output cathode exhaust.
Fred C. Jahnke, Matthew Lambrech
Filed: 19 May 20
Utility
Heat exchanger with porous material
11 Jul 23
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
Layered cathode for molten carbonate fuel cell
4 Jul 23
A layered cathode structure for a molten carbonate fuel cell is provided, along with methods of forming a layered cathode and operating a fuel cell including a layered cathode.
Abdelkader Hilmi, Gabor Kiss, Rodrigo F. Blanco Gutierrez, Timothy C. Geary, Ethan L. Demeter, Chao-Yi Yuh
Filed: 26 Nov 19
Utility
Fuel cell load cycling to support the electric grid
27 Jun 23
A fuel cell system includes a fuel cell unit configured to generate an amount of electrical power for supply to a varying electrical load and a fuel cell controller configured to receive a first indication that the varying electrical load is at a local maximum within a predetermined period, and, in response, operate the fuel cell unit with an operational parameter having a first value such that the fuel cell unit produces a limited maximum amount of electrical power that is a predetermined percentage of a maximum rated power output of the fuel cell unit.
George P. Berntsen, Ramakrishnan Venkataraman, Mohammad Farooque
Filed: 2 Jun 17
Utility
Fuel cell module assembly and systems using same
30 May 23
A module assembly is provided including a fuel cell stack assembly, a heat exchanger, and a housing enclosing the fuel cell stack assembly and the heat exchanger.
Keith E. Davis, Frank Hershkowitz, Lu Han, Clay R. Sutton, Paul J. Rubas
Filed: 26 Nov 19
Utility
Energy storage for combustion turbine using molten carbonate electrolyzer cell
4 Apr 23
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
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
Elevated pressure operation of molten carbonate fuel cells with enhanced CO
28 Mar 23
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
Supported nickel catalysts used as direct internal reforming catalyst in molten carbonate fuel cells
7 Mar 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: 14 Apr 21
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
Heat recovery from an electrochemical hydrogen separation system
3 Jan 23
An EHS system includes a EHS cell having an anode, a cathode, and a cooling plate disposed proximate at least one of the anode or the cathode, the cooling plate configured to receive water and configured to output steam or a mixture of water and steam.
Fred C. Jahnke, Matthew Lambrech
Filed: 9 Aug 19