106 patents
Page 5 of 6
Utility
SOFC cathode compositions with improved resistance to SOFC degradation
17 Aug 20
A solid oxide fuel cell (SOFC) includes a solid oxide electrolyte with a zirconia-based ceramic, an anode electrode, and a cathode electrode that includes a ceria-based ceramic component and an electrically conductive component.
Andres Leming, Emad El Batawi, Michael Gasda, Tad Armstrong, James Wilson
Filed: 18 Feb 19
Utility
SOFC including redox-tolerant anode electrode and system including the same
8 Jun 20
A solid oxide fuel cell, system including the same, and method of using the same, the fuel cell including an electrolyte disposed between an anode and a cathode.
Michael Gasda, Emad El Batawi, Tad Armstrong, Vijay Radhakrishnan, Jonathan Scholl
Filed: 7 Mar 18
Utility
Seal compositions, methods, and structures for planar solid oxide fuel cells
1 Jun 20
A seal composition includes a first alkaline earth metal oxide, a second alkaline earth metal oxide which is different from the first alkaline earth metal oxide, aluminum oxide, and silica in an amount such that molar percent of silica in the composition is at least five molar percent greater than two times a combined molar percent of the first alkaline earth metal oxide and the second alkaline earth metal oxide.
Ananda H. Kumar, Dien Nguyen, Martin Janousek, Tad Armstrong
Filed: 30 Aug 18
Utility
Fuel cell stack column including stress-relief components
1 Jun 20
A fuel cell column includes termination plates, fuel cell stacks disposed between the termination plates, and fuel manifolds disposed between the fuel cell stacks.
Tad Armstrong, Michael Lesher, Christopher Lee
Filed: 10 Jan 19
Utility
Intergrated fuel cell and energy storage systems and method of operating thereof
25 May 20
An electrical power system, including a fuel cell system having a plurality of fuel cell segments and an energy storage system electrically coupled to the fuel cell system.
Arne Ballantine, Peter Gross, Ranganathan Gurunathan, Prasad Pmsvvsv, Carl Cottuli
Filed: 2 Jun 16
Utility
Modular pad for a fuel cell system
11 May 20
A pad for a fuel cell system includes a base having an upper surface, a separator disposed on the upper surface of the base, frames disposed on the separator and configured to support modules of the fuel cell system, and plumbing disposed between the upper surface of the base and the frames, and connected to the fuel cell modules.
David Trevisan, Arne Ballantine, Jessica Mahler, Ross Parker, Christian Daco, Gilbert Richards
Filed: 3 Mar 16
Utility
Method of recovering metal compounds from solid oxide fuel cell scrap
11 May 20
A method of recovering metal compounds from solid oxide fuel cell scrap includes processing the solid oxide fuel cell scrap to form a powder, digesting the processed scrap, extracting lanthanum oxide and cerium oxide from a solution containing the digested processed scrap, extracting a zirconium compound from the solution after extracting the lanthanum oxide and cerium oxide, and extracting scandium compound from the solution extracting the zirconium compound from the solution.
Lunzhi Liao, Christopher Jeffrey Hartley, Andrew Sarmiento
Filed: 4 Feb 18
Utility
Anode with remarkable stability under conditions of extreme fuel starvation
13 Apr 20
A solid oxide fuel cell (SOFC) includes a cathode electrode, a solid oxide electrolyte, and an anode electrode having a first region located adjacent to a fuel inlet and a second region located adjacent to a fuel outlet.
Emad El Batawi
Filed: 5 Oct 17
Utility
Anode with high redox stability
6 Apr 20
A solid oxide fuel cell (SOFC) includes a cathode electrode, a solid oxide electrolyte and an anode electrode containing a first portion having a cermet containing a nonzero volume percent of a nickel containing phase and a nonzero volume percent of a ceramic phase and a second portion having a cermet containing a nonzero volume percent of a nickel containing phase and a nonzero volume percent of a ceramic phase, such that the first portion is located between the electrolyte and the second portion.
Michael Gasda, Chockkalingam Karuppaiah, Tad Armstrong, Vijay Radhakrishnan, Emad El Batawi
Filed: 16 Oct 17
Utility
Fuel cell system with grid independent operation and DC microgrid capability
23 Mar 20
A fuel cell system includes grid independent operation with DC microgrid capability.
Ramesh Srinivasan, Rajaram Swaminathan, Ranganathan Gurunathan, Arne Ballantine, James McElroy
Filed: 6 May 19
Utility
Advanced uninterruptable power module controller and method of operating same
23 Mar 20
A method and apparatus for parallel operation of multiple power sources including one fuel cell power source.
Ranganathan Gurunathan, Arne Ballantine, Prasad Pmsvvsv, Vishal Anand Gopalakrishnan, Saravanakumar Narayanasamy, Badrinarayanan Thiruvengadaswamy
Filed: 3 Apr 18
Utility
Pre-formed powder delivery to powder press machine
16 Mar 20
Methods for fabricating an interconnect for a fuel cell system that include forming a metal powder into a preform structure, positioning the preform structure in a die cavity of a press apparatus, and compressing the preform structure in the press apparatus to form the interconnect.
Harald Herchen, Matthias Gottmann, Ian Russell, Jonathan Cerrona, Cheng-yu Lin
Filed: 13 Oct 16
Utility
Heterogeneous ceramic composite SOFC electrolyte
16 Mar 20
A solid oxide fuel cell (SOFC) includes a cathode electrode, a solid oxide electrolyte, and an anode electrode.
Dien Nguyen, Ravi Oswal, Tad Armstrong, Emad El Batawi
Filed: 25 Jan 17
Utility
Fuel cell system containing humidity sensor and method of operating thereof
2 Mar 20
Various systems and methods disclosed herein may include a fuel cell system that may dynamically respond to changes in steam concentration in the fuel cell system.
Arne Ballantine, Jayakumar Krishnadass, David Weingaertner, Andrew James Hall, Venkat V. Ramani
Filed: 2 Nov 17
Utility
Electrochemical impedance spectroscopy (“EIS”) analyzer and method of using thereof
24 Feb 20
Systems, methods, and devices of the various embodiments provide a hardware and software architecture enabling electrochemical impedance spectroscopy (“EIS”) to be performed on multiple electrochemical devices, such as fuel cells, at the same time without human interaction with the electrochemical devices and to use EIS to dynamically monitor the performance of a fuel cell system.
Karthick Sudhan S, Bhavana Ganesh, Abhishek Dudhmande, Ranganathan Gurunathan, Ian Russell
Filed: 13 Sep 15
Utility
Fuel cell stack containing external electrode for corrosion mitigation
17 Feb 20
A method of operating a fuel cell system includes providing a fuel cell stack containing a plurality of fuel cells and interconnects, and first and second ceramic side baffles located on opposing sides of the fuel cell stack, and applying an electrical potential to an outer surface of at least one of the first and the second ceramic side baffles, such that the electrical potential is equal to or more negative than a lowest potential of any interconnect in the fuel cell stack or any electrically conductive fuel cell stack component.
Adil A. Ashary, David Edmonston, Michael Petrucha, Martin Perry, Tyler Dawson
Filed: 16 Apr 18
Utility
Fuel cell interconnect with metal or metal oxide contact layer
3 Feb 20
A method of making an interconnect for a solid oxide fuel cell stack includes providing a chromium alloy interconnect and providing a nickel mesh in contact with a fuel side of the interconnect.
Emad El Batawi, Andres Leming, Shailendra Parihar, Michael Gasda
Filed: 5 Feb 18
Utility
Energy load management system
27 Jan 20
A system and method for controlling a fuel cell system.
David Higdon, David Weingaertner, Ali Zargari, Suthitham Kusolasak
Filed: 28 Jun 17
Utility
Systems and methods for suppressing chromium poisoning in fuel cells
27 Jan 20
A fuel cell assembly includes a fuel cell stack including a plurality of fuel cells, an incoming oxidizing gas flow path configured to deliver an oxidizing gas to the plurality of fuel cells, and a chromium-getter material located in the incoming oxidizing flow path.
Manoj Pillai, James Wilson, Tad Armstrong, Chung-Dee Pong, James Chang, Matthias Gottmann, Tulin Akin
Filed: 27 Nov 17
Utility
Anode splitter plate and methods for making the same
16 Dec 19
Various embodiments of a reactant feed and return assembly, such as an anode splitter plate (ASP), are provided for facilitating reactant feed and exhaust flow in a solid oxide fuel cell (SOFC) stack system.
Tad Armstrong, Martin Perry, Avinash Verma, Michael Petrucha, Dongai Shi, Cheng-Yu Lin, Shruti Baharani
Filed: 1 Feb 17