Northwestern University

Applied Thin Films, Inc.

Other

Hewlett-packard Development Company, L.p.

Ut-battelle, Inc.

Trustees of the Colorado School of Mines

North Western Univ. Technology Transfer Prog.

Scott A Barnett

Ilwon Kim

Tsepin Tsai

Sankar Sambasivan

William D Sproul

Ming-Show Wong

John Rechner

Xi Chu

Amit Goyal

Donald M Kroeger

Robert J Kee

Robert J Braun

Sambasivan Sankar

Li-Shun Wang

Dong Li

Jiang Liu

Daniel A Kearl

Scott Lawrence Swartz

Richard Budd Peterson

Yip-Wah Chung

Ramille N Shah

Adam E Jakus

Gary Tarver

Nicholas R Geisendorfer

John Gilman

Matthew Lu

David M Blerschank

Shan-Lin Zhang

Erica Perry Murray

James R Wilson

Phillip Yashar

Anthony Lefkow

Tammy Lai

Zhan Gao

Yin-Wah Chung

Oxygen electrodes are provided, comprising a perovskite compound having Formula (I), Sr(TiFeCo)Owherein 0.90&#x2265;x&#x2265;0.40 and 0.02&#x2265;y&#x2265;0.30. Electrochemical devices comprising such oxygen electrodes are also provided, comprising a counter electrode in electrical communication with the oxygen electrode, and a solid oxide electrolyte between the oxygen electrode and the counter electrode. Methods of using such electrochemical devices are also provided, comprising exposing the oxygen electrode to a fluid comprising Ounder conditions to induce the reaction O+4e&#x2192;2O, or to a fluid comprising Ounder conditions to induce the reaction 2O&#x2192;O+4e.

Cobalt-substituted perovskite compounds for solid oxide electrochemical cells

Solid oxide electrochemical devices, methods for making the electrochemical devices, and methods of using the electrochemical devices are provided. The electrochemical devices comprise a plurality of stacked functional layers that are formed by a combination of three-dimensional (3D) extrusion printing and two-dimensional (2D) casting techniques.

Three dimensional extrusion printed electrochemical devices

The present invention relates to a reversible solid oxide electrochemical cell that may operate in two modes: a discharge mode (power generation) and a charge mode (electrolytic fuel production). A thermal system that utilizes a SOFB and is inclusive of selection of operating conditions that may enable roundtrip efficiencies exceeding about 80% to be realized is disclosed. Based on leverage of existing solid oxide fuel cell technology, the system concept is applicable to energy storage applications on the kW to MW scale.

High efficiency, reversible flow battery system for energy storage

A method for improving the efficiency and durability of reversible solid oxide cells during electrical energy storage is disclosed. The method utilizes a specific set of operating conditions that produces a storage chemistry where approximately thermal-neutral operation can be achieved at low cell over-potentials. Also disclosed are reversible solid oxide cell energy storage system configurations, including one that utilizes storage in natural gas and water storage/distribution networks, thereby reducing storage cost.

Method for improving the efficiency and durability of electrical energy storage using solid oxide electrolysis cell

The direct electrochemical oxidation of hydrocarbons in solid oxide fuel cells, to generate greater power densities at lower temperatures without carbon deposition. The performance obtained is comparable to that of fuel cells used for hydrogen, and is achieved by using novel anode composites at low operating temperatures. Such solid oxide fuel cells, regardless of fuel source or operation, can be configured advantageously using the structural geometries of this invention.

Direct hydrocarbon fuel cells

The present invention relates to epitaxial, electrically conducting and mechanically robust, cubic nitride buffer layers deposited epitaxially on biaxially textured substrates such as metals and alloys. The invention comprises of a biaxially textured substrate with epitaxial layers of nitrides. The invention also discloses a method to form such epitaxial layers using a high rate deposition method as well as without the use of forming gases. The invention further comprises epitaxial layers of oxides on the biaxially textured nitride layer. In some embodiments the article further comprises electromagnetic devices which may have superconducting properties.

Conductive and robust nitride buffer layers on biaxially textured substrates

A method of using a hydrocarbon fuel to operate a solid oxide fuel cell, such a cell comprising one or more components which can be prepared using a centrifugal deposition technique of the type described herein.

The present invention relates to oxides on suitable substrates, as converted from nitride precursors.

Epitaxial oxide films via nitride conversion

A fuel cell assembly includes a plurality of opposing fuel cell stacks. Each of the fuel stacks has a plurality of fuel cells in which each fuel cell has an anode, a cathode, and an electrolyte. The fuel cell assembly further includes a spacing member disposed between the fuel cell stacks thereby defining a fluidic cavity.

Fuel cell stack assembly and method of fabrication

The present invention relates to epitaxial, electrically conducting and mechanically robust, cubic nitride buffer layers deposited epitaxially on biaxially textured substrates such as metal and alloys. The invention comprises of a biaxially textured substrate with epitaxial layers of nitrides. The invention also discloses a method to form such epitaxial layers using a high rate deposition method as well as without the use of forming gases. The invention further comprises epitaxial layers of oxides on the biaxially textured nitride layers. In some embodiments the article further comprises electromagnetic devices which may be super conducting properties.

The present invention relates to oxides on suitable substrates, as converted from nitride precursors. A composition comprising a solid solution of zirconium nitride and yttrium nitride (YZN) represented by the formula (Zr Y )N where x is a value from 0.1 to 0.9 is also disclosed.

Zirconium nitride and yttrium nitride solid solution composition

Growing community of inventors

Evanston, IL, United States of America

Scott A Barnett