240 patents
Utility
Integrated Soec Building Block (SBB)
18 Jan 24
A modular electrolyzer system including a power module and a generator module wherein the power module and the generator module are integrated with a hydrogen collection component and a steam delivery component, the hydrogen collection component and the steam delivery component being disposed on a structural base.
Jessica MAHLER, Chad PEARSON, Rueben M. KEMPTON
Filed: 7 Jul 23
Utility
Solid oxide fuel cell system and method of operating the same using peak shaving gas
16 Jan 24
A fuel cell system and method for using a peak shaving gas, the system including: a fuel inlet configured to receive fuel from a fuel source; a catalytic partial oxidation (CPOx) reactor configured to at least partially oxidize the fuel during startup of the system; a blower configured to provide air to the CPOx reactor; a gas analyzer configured to determine a composition of fuel provided to the CPOx reactor from the fuel inlet; an oxidation catalyst configured to reduce an O2 content of fuel received from the CPOx reactor; a reforming catalyst configured to partially reform fuel received from the oxidation catalyst; and a stack of fuel cells configured to generate electricity using fuel received from the reforming catalyst.
John Fisher, Jayakumar Krishnadass, David Weingaertner, Laxmikant Girwalkar, Shraddesh Malviya
Filed: 21 Jun 22
Utility
Soec Integration with Ultra Hot Steam
11 Jan 24
Systems, devices, and methods for electrolysis at very large scale (e.g., exceeding 100 megawatts (MW), and at gigawatt (GW) scale having a solid oxide electolyzer cell (SOEC) system including one or more SOEC columns, and one or more heat exchangers, each of the heat exchangers configured to receive input stream that is used to heat respective SOEC columns, wherein each of the heat exchangers is located along respective SOEC columns such that the input steam exiting the heat exchanger is directed towards adjacent SOEC columns.
KR SRIDHAR, David WEINGAERTNER, Carlton COTTULI, Matthias GOTTMANN
Filed: 10 Jul 23
Utility
Fuel cell column including stress mitigation structures
9 Jan 24
A fuel cell column includes a stack of alternating fuel cells and interconnects, where the interconnects separate adjacent fuel cells in the stack and contain fuel and air channels which are configured to provide respective fuel and air to the fuel cells. a manifold plate containing a bottom inlet hole and a bottom outlet hole located in a bottom surface of the manifold plate, top outlet holes and top inlet holes formed in opposing sides of a top surface of the manifold plate, 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, and a mitigation structure configured to reduce stress applied to the stack due to at least one of a shape mismatch or coefficient of thermal expansion mismatch between the stack and the manifold plate.
Michael Gasda, Robert Hintz, Karanpal Bhangu, Siddharth Patel, Harald Herchen, Victor Silva, Thuy Thanh Muhl, Tyler Dawson, David Edmonston, Tad Armstrong
Filed: 10 Nov 22
Utility
Large site fuel cell system and method of installing same
2 Jan 24
A modular fuel cell subsystem includes multiple rows of modules, where each row comprises a plurality of fuel cell power modules and a power conditioning module containing a DC to AC inverter electrically connected the power modules.
Srihari Raghavan, David Trevisan, Richard Leitch, Armando Gomez, Aaron Ells, Jessica Mahler
Filed: 28 Jul 22
Utility
Fuel Cell System and Method of Operating Thereof at Near One Hundred Percent Fuel Utilization
28 Dec 23
A fuel cell system includes at least one electrochemical pump separator to separate hydrogen and carbon dioxide from a fuel exhaust stream.
David WEINGAERTNER, Greg YOUNG, Vijay SRIVATSAN, Michael PETRUCHA
Filed: 8 Dec 22
Utility
Control Systems and Methods for Minimizing Power Loss Associated with Fuel Cell Systems
28 Dec 23
Embodiments of the present disclosure provide control systems and methods to reduce wastage of energy associated with fuel cell systems.
Vishal Anand Aisur GOPALAKRISHNAN, Ranganathan GURUNATHAN, Badrinarayanan THIRUVENGADASAMY, Subhash DESWAL, Rudrayya S. MATH, Anbarasu DORAI, Pavankumar DIXIT
Filed: 25 Jun 23
Utility
Systems and Methods for Testing a Device As Per Grid Interconnection Standards
28 Dec 23
Embodiments of the present disclosure provide systems and methods for testing a device for grid interconnection standards.
Vishal Anand Aisur GOPALAKRISHNAN, Saravanakumar NARAYANASAMY, Badrinarayanan THIRUVENGADASAMY, Sreekanth VENKATESH, Vishal VARSHNEY, Anbarasu DORAI, Kodali Venkata Narasimha RAO
Filed: 25 Jun 23
Utility
Power management in fuel cell system based microgrids
19 Dec 23
Excess DC current generated by a fuel cell stack may be provided to a current source inverter, and an AC current may be output by the current source inverter to a grid side bus.
Prasad Pmsvvsv, Beau Baker, Vignan Reddy Bommireddy
Filed: 8 Nov 22
Utility
Modular Electrolyzer System
14 Dec 23
A modular electrolyzer system, comprising a plurality of generator modules, each of the plurality of generator modules including a hotbox, and a gas distribution module configured to supply hydrogen to each of the plurality of generator modules.
Christian DACO, Jessica MAHLER, Samuel JUDAY, Ross PARKER, Cory MCCLINTIC, Ryan JOHNSON
Filed: 9 Jan 23
Utility
Use of hydrogen and liquid natural gas hybrid fuel in marine applications to reduce carbon footprint
12 Dec 23
A method of operating a vessel includes providing hydrogen or a fuel mixture containing hydrogen and a hydrocarbon fuel to a power generator disposed on the vessel, and providing power from the power generator to an electrical load of the vessel.
Martin Perry, Carl Cottuli, Suminderpal Singh, K. R. Sridhar
Filed: 24 Sep 21
Utility
Centrifugal Blower Including Shrouded Mixed Flow Impeller for Enhanced Cooling
7 Dec 23
A blower includes a motor housing, a volute disposed on an outer surface of the motor housing, a motor shaft extending through the motor housing, a motor disposed in the motor housing and coaxially mounted to the motor shaft, and a mixed flow impeller disposed in the motor housing and coaxially mounted to the motor shaft.
Shuo LI
Filed: 2 Jun 23
Utility
Hydrogen Powered Fuel Cell System Including Condenser and Method of Operating the Same Using Pressure Control
23 Nov 23
A method of operating a fuel cell power system includes providing a fresh hydrogen fuel to power modules that each contain a heater and a stack of fuel cells, providing a fuel exhaust containing hydrogen and water from the stack to a condenser, removing water from the fuel exhaust to generate a recycled fuel containing dewatered hydrogen, and pressurizing and recycling the recycled fuel output from the condenser to the power modules.
Jayakumar KRISHNADASS, David WEINGAERTNER, Harald HERCHEN, Brent CHELDELIN
Filed: 16 May 23
Utility
Systems and methods for refurbishing fuel cell stack components
21 Nov 23
A method of refurbishing a singulated fuel cell stack interconnect includes scanning a first pulsed laser beam on an air side of the interconnect to vaporize seal and corrosion barrier layer residue without vaporizing a metal oxide layer located on the air side of the interconnect below the corrosion barrier layer residue, and scanning a second pulsed laser beam which is different from the first pulsed laser beam on the exposed metal oxide layer on the air side of the interconnect to reflow the metal oxide layer without removing the metal oxide layer.
Drew Paran, Ali Delkaninia, Kendall Lui, Tulin Akin
Filed: 18 Jan 21
Utility
Internal light off mechanism for solid oxide fuel cell system startup using a spark ignitor
21 Nov 23
A fuel cell system includes at least one spark igniter containing an insulated cable where at least a first end of the insulated cable is positioned within a reaction zone of the fuel cell system.
Siddharth Patel, Aniket Pratap, Michael Petrucha
Filed: 12 Sep 18
Utility
Multi-input multi-output renewable energy systems
21 Nov 23
Various embodiments of the present disclosure provide a multi-input multi-output energy charging system to generate hydrogen, provide baseload energy to a facility, and provide electrical power to charge electric vehicles (EV).
Barry Sharpe, Brian Hadley, Charles Frederick Walton
Filed: 27 Oct 22
Utility
Membrane Electrode Assembly (Mea) for Proton Exchange Membrane Electrochemical Cell
9 Nov 23
A membrane electrode assembly (MEA) includes an ionically-conductive proton exchange membrane.
Srikanth RANGANATHAN, Vijay RADHAKRISHNAN, Vaibhav NIRGUDE
Filed: 6 Jul 23
Utility
Fuel Cell Power System Including Air Flow Control and Method of Operating Thereof
9 Nov 23
A method of operating power system includes generating compressed air, providing the compressed air and fuel to fuel cell power modules, and providing a cathode exhaust from the power modules to a heat exchanger.
David WEINGAERTNER, Shannon BELL, Natarajan RAMANAN
Filed: 2 May 23
Utility
Fuel cell system for information technology loads
24 Oct 23
A fuel cell system having a power module including at least one fuel cell segment, an input output module including at least one inverter, a rectifier, and an electric distribution module having at least a first electrical connector and a second electrical connector.
Peter Gross, Carl Cottuli, Arne Ballantine
Filed: 25 Aug 20
Utility
Combined Fuel Cell and Digestion System and Method of Operating Thereof
19 Oct 23
A system includes a digestion system configured to convert a digestate into a fuel gas, and a fuel cell power system configured to convert the fuel gas into power and heat, and to provide the heat to the digestion system.
David WEINGAERTNER
Filed: 13 Apr 23