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Yeshwanth Narendar patents

Recent bibliographic sampling of Yeshwanth Narendar patents listed/published in the public domain by the USPTO (USPTO Patent Application #,Title):



10/02/14 - 20140295313 - Sanbornite-based glass-ceramic seal for high-temperature applications
A glass-ceramic seal for ionic transport devices such as solid oxide fuel cell stacks or oxygen transport membrane applications. Preferred embodiments of the present invention comprise glass-ceramic sealant material based on a Barium-Aluminum-Silica system, which exhibits a high enough coefficient of thermal expansion to closely match the overall CTE of...
Inventors: Signo Tadeu Reis, Matthieu Schwartz, Morteza Zandi, Yeshwanth Narendar (Saint-gobain Ceramics & Plastics, Inc.)

07/03/14 - 20140186647 - Broad particle size distribution powders for forming solid oxide fuel cell components
A raw material powder for forming a layer of a solid oxide fuel cell (SOFC) article includes a broad particle size distribution (BPSD) defined by plotted curve of frequency versus diameter of the raw material powder may be characterized as having a first standard deviation including at least about 78%...
Inventors: Aravind Mohanram, Yeshwanth Narendar, John D. Pietras (Saint-gobain Ceramics & Plastics, Inc.)

06/19/14 - 20140170531 - Powder mixture for layer in a solid oxide fuel cell
The present disclosure relates to solid oxide fuel cells, and particularly raw powder materials which form a layer in a solid oxide fuel. The raw powder materials include an ionic conductor powder material; and an electronic conductor powder material. The ratio of an average particle diameter of the ionic conductor...
Inventors: Aravind Mohanram, Yeshwanth Narendar, Zachary R. Patterson, John D. Pietras (Saint-gobain Ceramics & Plastics, Inc.)

12/26/13 - 20130344412 - Titanate and metal interconnects for solid oxide fuel cells
A solid oxide fuel cell (SOFC) includes a plurality of sub-cells. Each sub-cell includes a first electrode in fluid communication with a source of oxygen gas, a second electrode in fluid communication with a source of a fuel gas, and a solid electrolyte between the first electrode and the second...
Inventors: Yeshwanth Narendar

07/11/13 - 20130177831 - Solid oxide fuel cell interconnects including a ceramic interconnect material and partially stabilized zirconia
An interconnect of a solid oxide fuel cell article is disclosed. The interconnect is disposed between a first electrode and a second electrode of the solid oxide fuel cell article. The interconnect comprises a first phase including a ceramic interconnect material and a second phase including partially stabilized zirconia. The...
Inventors: Guangyong Lin, Oh-hun Kwon, Yeshwanth Narendar

05/30/13 - 20130137014 - Solid oxide fuel cell interconnect cells
A bonding layer, disposed between an interconnect layer and an electrode layer of a solid oxide fuel cell article, may be formed from a yttria stabilized zirconia (YSZ) powder having a monomodal particle size distribution (PSD) with a d50 that is greater than about 1 μm and a d90 that...
Inventors: Guangyong Lin, Yeshwanth Narendar, John D. Pietras, Qiang Zhao, Robert J. Sliwoski, Caroline Levy, Samuel S. Marlin, Aravind Mohanram

05/24/12 - 20120129068 - Substantially flat single cells for sofc stacks
A solid oxide fuel cell includes an anode layer, a cathode layer, and an electrolyte layer partitioning the anode layer and the cathode layer. The anode layer and the cathode layer are of about the same thickness and have about the same coefficient of thermal expansion (CTE)....
Inventors: Yeshwanth Narendar, Oh-hun Kwon (Saint-gobain Ceramics & Plastics, Inc.)

01/12/12 - 20120009505 - Anisotropic cte lsm for sofc cathode
An anisotropic coefficient of thermal expansion (CTE) cathode of a solid oxide fuel cell (SOFC) is formed by placing a layer of perovskite powder between two platens, and sintering the layer while applying pressure to the platens, thereby forming the anisotropic CTE cathode. The perovskite can be lanthanum strontium manganite...
Inventors: F. Michael Mahoney, Yeshwanth Narendar, Hansong Huang (Saint-gobain Ceramics & Plastics, Inc.)

06/30/11 - 20110158880 - Anisotropic cte lsm for sofc cathode
An anisotropic coefficient of thermal expansion (CTE) cathode of a solid oxide fuel cell (SOFC) is formed by placing a layer of perovskite powder between two platens, and sintering the layer while applying pressure to the platens, thereby forming the anisotropic CTE cathode. The perovskite can be lanthanum strontium manganite...
Inventors: F. Michael Mahoney, Yeshwanth Narendar, Hansong Huang (Saint-gobain Ceramics & Plastics, Inc.)

07/22/10 - 20100183947 - Highly sinterable lanthanum strontium titanate interconnects through doping
An interconnect material is formed by combining a lanthanum-doped strontium titanate with an aliovalent transition metal to form a precursor composition and sintering the precursor composition to form the interconnect material. The aliovalent transition metal can be an electron-acceptor dopant, such as manganese, cobalt, nickel or iron, or the aliovalent...
Inventors: Aravind Mohanram, Yeshwanth Narendar, Guangyong Lin (Saint-gobain Ceramics & Plastics, Inc.)

07/15/10 - 20100178589 - Thermal shock-tolerant solid oxide fuel cell stack
A solid oxide fuel cell (SOFC) includes a plurality of subassemblies. Each subassembly includes at least one subcell of a first electrode, a second electrode and an electrolyte between the first and second electrodes. A first bonding layer is at the second electrode and an interconnect layer is at the...
Inventors: Oh-hun Kwon, Yeshwanth Narendar, Rakesh Kapoor (Saint-gobain Ceramics & Plastics, Inc.)

07/01/10 - 20100167170 - Co-doped ysz electrolytes for solid oxide fuel cell stacks
A solid oxide fuel cell electrolyte is fabricated by combining an yttria-stabilized zirconia powder with α-Al2O3 having a d50 particle size in a range of between about 10 nm and about 200 nm and Mn2O3 to form an electrolyte precursor composition, and then sintering the electrolyte precursor composition to thereby...
Inventors: Yeshwanth Narendar, Guangyong Lin, Aravind Mohanram (Saint-gobain Ceramics & Plastics, Inc.)

07/01/10 - 20100167164 - Sofc cathode and method for cofired cells and stacks
A solid oxide fuel cell includes an anode layer, an electrolyte layer over a surface of the anode layer, and a cathode layer over a surface of the electrolyte layer. The cathode layer includes a cathode bulk layer, a porous cathode functional layer at an electrolyte, an intermediate cathode layer...
Inventors: Christopher J. Reilly, Guangyong Lin, Yeshwanth Narendar (Saint-gobain Ceramics & Plastics, Inc.)

03/11/10 - 20100062243 - Method for treating semiconductor processing components and components formed thereby
A semiconductor processing component can include SiC, wherein the semiconductor processing component has an impurity ratio less than 34:1. The impurity ratio can be a ratio of a first average impurity concentration to a second impurity level, wherein the first average impurity concentration is an average impurity concentration of a...
Inventors: Yeshwanth Narendar, Richard F. Buckley (Saint-gobain Ceramics & Plastics, Inc)

02/11/10 - 20100032857 - Ceramic components, coated structures and methods for making same
Methods of forming ceramic components are disclosed. One method calls for chemical vapor depositing a ceramic material over a substrate having first and second opposite surfaces to define a coated structure, the ceramic material forming a layer overlying both the first and second opposite surfaces. The layer and the substrate...
Inventors: Alain Izadnegahdar, Yeshwanth Narendar (Saint-gobain Ceramics & Plastics, Inc.)

07/23/09 - 20090186250 - Bilayer interconnects for solid oxide fuel cells
A solid oxide fuel cell (SOFC) includes a plurality of sub-cells. Each sub-cell includes a first electrode in fluid communication with a source of oxygen gas, a second electrode in fluid communication with a source of a fuel gas, and a solid electrolyte between the first electrode and the second...
Inventors: Yeshwanth Narendar, Aravind Mohanram (Saint-gobain Ceramics & Plastics, Inc.)

07/23/09 - 20090186249 - Titanate and metal interconnects for solid oxide fuels cells
A solid oxide fuel cell (SOFC) includes a plurality of sub-cells. Each sub-cell includes a first electrode in fluid communication with a source of oxygen gas, a second electrode in fluid communication with a source of a fuel gas, and a solid electrolyte between the first electrode and the second...
Inventors: Yeshwanth Narendar (Saint-gobain Ceramics & Plastics, Inc.)

06/25/09 - 20090159897 - Method for treating semiconductor processing components and components formed thereby
A semiconductor processing component has an outer surface portion comprised of silicon carbide, the outer surface portion having a skin impurity level and a bulk impurity level. The skin impurity level is average impurity level from 0 nm to 100 nm of depth into the outer surface portion, the bulk...
Inventors: Yeshwanth Narendar, Richard F. Buckley (Saint-gobain Ceramics & Plastics, Inc.)

Saint-gobain Ceramics & Plastics, Inc., Saint-gobain Ceramics & Plastics, Inc

Archived*
(*May have duplicates - we are upgrading our archive.)

20120129068 - Substantially flat single cells for sofc stacks


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The bibliographic references displayed about Yeshwanth Narendar's patents are for a recent sample of Yeshwanth Narendar's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the USPTO.gov. FreshPatents.com is not associated or affiliated in any way with the author/inventor or the United States Patent/Trademark Office but is providing this non-comprehensive sample listing for educational and research purposes using public bibliographic data published and disseminated from the United States Patent/Trademark Office public datafeed. This information is also available for free on the USPTO.gov website. If Yeshwanth Narendar filed recent patent applications under another name, spelling or location then those applications could be listed on an alternate page. If no bibliographic references are listed here, it is possible there are no recent filings or there is a technical issue with the listing--in that case, we recommend doing a search on the USPTO.gov website.

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