240 patents
Page 2 of 12
Utility
Method of fabricating an interconnect for a fuel cell stack
17 Oct 23
Methods for fabricating an interconnect for a fuel cell stack that include providing a protective layer over at least one surface of an interconnect formed by powder pressing pre-alloyed particles containing two or more metal elements and annealing the interconnect and the protective layer at elevated temperature to bond the protective layer to the at least one surface of the interconnect.
Tad Armstrong
Filed: 8 Jul 22
Utility
Non-isolated single input dual-output bi-directional buck-boost DC-DC converter
17 Oct 23
Various embodiments may provide non-isolated single-input dual-output (SIDO) bi-directional buck-boost direct current (DC) to DC (DC-DC) converters.
Ranganathan Gurunathan, Rakesh Roy, Bala Subrahmanyam Kuchibhatla, Srinivas Rao Potta, Deepak Balakrishnan
Filed: 5 May 22
Utility
Control of the Solid Oxide Electrolyzer
12 Oct 23
A modular solid oxide electrolyzer cell (SOEC) system including a stack of electrolyzer cells configured to receive steam in combination with hydrogen, and a steam recycle outlet configured to recycle a portion of the steam.
Ali ZARGARI, Ehsan RAOUFAT, Julio LUNA, Alireza SAEEDMANESH
Filed: 17 Jan 23
Utility
Fuel cell system including air inlet baffle and method of operating thereof
10 Oct 23
A fuel cell system includes a stack of fuel cells, a cathode recuperator configured to heat air using cathode exhaust output from the stack, and an air inlet baffle disposed between the cathode recuperator and the stack and containing at least two rows of apertures which are separated along a vertical direction and configured to provide the heated air output from the cathode recuperator to plural areas of the stack.
Nilanjana Basu, Nandan Joshi, Hemant Gedam, Kyle Kekelis, David Edmonston
Filed: 14 Nov 22
Utility
Solid oxide fuel cell system with hydrogen pumping cell with carbon monoxide tolerant anodes and integrated shift reactor
3 Oct 23
A fuel cell system includes at least one of plural electrochemical pump separators to separate carbon dioxide from a fuel exhaust stream or a combination of a gas separator and a fuel exhaust cooler located outside a hotbox.
David Weingaertner, Matthias Gottmann, Jayakumar Krishnadass, Chockkalingam Karuppaiah, Arne Ballantine, Swaminathan Venkataraman, Martin Perry, John Fisher, Greg Young
Filed: 2 May 22
Utility
Methods and Devices for Preventing Thermally-induced Stress Cracks In Large Footprint Solid Oxide Fuel Cell Columns
28 Sep 23
A method of making an interconnect for an electrochemical cell stack includes providing the interconnect, and creep flattening the interconnect prior to placing the interconnect into the electrochemical cell stack.
Michael GASDA, Sachin PARHAR, Cheng-Yu LIN, Victor FUNG, Amit NAWATHE, Brian THERAULT, Manoj PILLAI
Filed: 9 Nov 22
Utility
Fuel Cell Stack Assembly Including Heat Sink Inserts
28 Sep 23
A fuel cell column includes a plurality of fuel cell stacks, at least one fuel manifold configured to provide fuel to the plurality of fuel cell stacks, and at least one heat sink insert located between adjacent fuel cells of the plurality of fuel cell stacks.
Nilanjana BASU, Michael PETRUCHA
Filed: 4 Nov 22
Utility
Fuel cell manifold having an embedded dielectric layer and methods of making thereof
19 Sep 23
A manifold plate for a fuel cell stack includes a lower manifold portion, an upper manifold portion, a dielectric layer sandwiched between the lower manifold portion and the upper manifold portion, a bottom inlet hole and a bottom outlet hole formed in a bottom surface of the lower manifold portion, where the bottom inlet hole and the bottom outlet hole extend through the dielectric layer, top outlet holes and top inlet holes formed in opposing sides of a top surface of the upper manifold portion, outlet channels fluidly connecting the top outlet holes to the bottom inlet hole, and inlet channels fluidly connecting the top inlet holes to the bottom outlet hole.
Siddharth Patel, Karanpal Bhangu
Filed: 4 Nov 22
Utility
Isolation and Serviceability of Independent Generator Module Product Lines In an Electrolysis Stamp
14 Sep 23
An electrolyzer system including a compressor manifold that supplies hydrogen to a gas distribution module, one or more generator modules that receives hydrogen from the gas distribution module and outputs a product gas, wherein each of the generator modules supplies product gas to a product manifold during normal operation or to a vent manifold in the event of a fault.
Joshua MERMELSTEIN, Ryan JOHNSON, Jessica MAHLER
Filed: 10 Mar 23
Utility
Modular Scalability of Soec Stamp and Compression
14 Sep 23
A solid oxide electrolyzer cell (SOEC) system, the system including one or more stamps that receives hydrogen input and outputs wet hydrogen, a heat exchanger or condenser that receives the wet hydrogen, the heat exchanger or condenser being configured to decrease the temperature of the wet hydrogen and remove at least some of the saturated water vapor in the wet hydrogen, a compressor that is configured to increase the pressure of the wet hydrogen, and a dryer that is configured to reduce the dew point of the wet hydrogen.
Joshua MERMELSTEIN
Filed: 10 Mar 23
Utility
Electrolyzer Power Management and Power System Control
7 Sep 23
A power control device for an electrolyzer that is configured to encode power curtailment information as a DC bus voltage level using a DC droop characteristic in first stage and decode the DC bus voltage to power information in a second stage.
Prasad PMSVVSV, Chaitanya MANDELA, Rakesh ROY
Filed: 6 Mar 23
Utility
Electrochemical System and Method of Installing Same Using a Skid
7 Sep 23
An electrochemical system includes fuel cell or electrolyzer modules, and a skid supporting the modules.
Chad PEARSON, Joseph TAVI, Rueben KEMPTON, Charles F. WALTON, JR., Matthew MAHONEY, Nicholas VINCENT, Jordan LARUE, William KENNY, Katherine FELDT, Gururaj B. RAO, Supreetha NLN
Filed: 23 Dec 22
Utility
Electrolyzer Power Conversion
7 Sep 23
A power control device for an electrolyzer that is configured to receive electrical current from a plurality of electrical power sources, rectify alternating current from a first subset of the plurality of electrical power sources, convert direct current from a second subset of the plurality of electrical power sources, provide power from the first subset and the second subset of electrical power sources to an energy bus, and receive, at the electrolyzer, power from the energy bus.
Prasad PMSVVSV, Rakesh ROY, Soma DEPURU
Filed: 6 Mar 23
Utility
Power Source Communication with Downstream Device by Changing Output Voltage on a Power Bus
17 Aug 23
A power generation system includes a power source that is configured to communicate with at least one of a downstream load or a downstream device by changing a voltage on a power bus between the power source and the at least one of the downstream load or the downstream device, while power source provides power on the power bus to the at least one of the downstream load or the downstream device.
Arne BALLANTINE, Prasad PMSVVSV, Rajesh GOPINATH, Ranganathan GURUNATHAN, Robert HARRIS, Marshall WORTH, Chaitanya MANDELA, Vishal Anand GOPALAKRISHNAN
Filed: 21 Apr 23
Utility
Power Management Control
10 Aug 23
A controller for a solid oxide electrolyzer cell (SOEC) system, the controller being configured to receive a target operating temperature, receive a readback temperature value, and output a temperature setpoint command to each of a plurality of heaters.
Ehsan RAOUFAT, Ali ZARGARI, Julio LUNA, Alireza SAEEDMANESH
Filed: 17 Jan 23
Utility
Reactant Feed and Return Assembly for Fuel Cell Stacks Including a Nozzle Structure
10 Aug 23
Various embodiments of a reactant feed and return assembly, such as an anode splitter plate (ASP), are provided for facilitating reactant feed flow in a solid oxide fuel cell (SOFC) stack system.
Annamalai RAMAN, Karanpal BHANGU, Victor FUNG, Nilanjana BASU, Michael PETRUCHA
Filed: 4 Nov 22
Utility
Low VOC ink compositions and methods of forming fuel cell system components using the same
8 Aug 23
A fuel cell system component ink includes a fuel cell system component powder, a solvent including propylene carbonate (PC), and a binder including polypropylene carbonate (PPC).
Andres Leming, Olexa Stavila, Perry Scheetz, Lisa Adams
Filed: 15 Feb 22
Utility
Grid Supporting Electrolyzer
3 Aug 23
Systems, devices, methods, and instructions for operating an electrolyzer, including setting a nominal frequency or a nominal voltage of a connected electrical power system, the electrolyzer being configured to deliver a rated production level at the nominal frequency or the nominal voltage, setting an adjustable dead band at or near the nominal frequency or the nominal voltage, and reducing hydrogen generation and reducing power consumption if the frequency drops below the nominal frequency or if the voltage drops below the nominal voltage.
Prasad PMSVVSV
Filed: 31 Jan 23
Utility
Fuel Cell Stacks Including Improved Dielectric Layers
27 Jul 23
A fuel cell stack includes stacked solid oxide fuel cells, interconnects disposed between the fuel cells, and dielectric layers disposed on the interconnects and including a first glass-containing component and a corrosion barrier material.
Michael GASDA, Patrick NIKONG, Emad EL BATAWI, Chockkalingam KARUPPAIAH, Allyson ELLEGOOD, Madhuri NALLABOLU, Thuy Thanh MUHL
Filed: 3 Nov 22
Utility
Internal Steam Delivery System
27 Jul 23
A solid oxide electrolyzer cell (SOEC) system including a stack of electrolyzer cells configured to receive liquid water that is heated using one or more heaters, and a mass flow controller configured to control the liquid water flowrate into the one or more heaters.
Shannon BELL, Andy TA, Cory MCCLINTIC, Anthony BREWER, Julio LUNA, Mark STANTON, Alireza Saeedmanesh, Ehsan RAOUFAT
Filed: 27 Jan 23