Georgia Tech Research Corporation

Toyota Motor Engineering & Manufacturing North America, Inc.

Phillips 66 Company

Toyota Motor Corporation

U.S. Department of Energy

Toyota Technical Center, U.s.a., Inc.

Imclone LLC

University of Kansas

Meilin Liu

Wen Li

Siwen Li

Mingfei Liu

Ting He

Zhen Zhou

Kohei Hase

Xiaobing Zhu

Ze Liu

John Muldoon

Lei Yang

Qunhui Sun

Min Kyu Song

Dong Ding

William Lynn Rauch

Yu Wei Chen

Ryan Patrick Murphy

Lei Zhang

Ying Liu

Joe Kennedy Cochran, Jr

Zhenping Zhu

Wayne A Surdoval

Zuoyan Peng

Lane Wilson

Kohai Hase

Junzo Ukai

Weilin Zhang

Lifang Nie

David Spencer Mebane

Yuelan Zhang

Yucun Zhou

Zhe Cheng

Kon Jiun Lee

Masatsugu Nakanishi

Franklin Tao

Yu Chen

Ik Whang Chang

Ben M Deglee

Brian Doyle

Disclosed are air electrode materials suitable for use in solid oxide electrochemical cells (SOCs). The disclosed cells can operate in a dual function modes, i.e., as a fuel cell and as an electrolysis cell. In both cases, chemical energy and electrical energy can be directly convert from one mode to the other; thereby providing a highly efficient energy conversion process that can be used as a sustainable energy source.

Air electrodes of solid oxide electrochemical cells

Disclosed herein are barium hafnate comprising proton-conducting electrolytes for use in solid oxide fuel cells. The disclosed electrolytes are also useful for electrolysis operations and for carbon dioxide tolerance.

Proton-conducting electrolytes for reversible solid oxide cells

A hybrid catalyst coating composed of a conformal thin film with exsoluted PrOnano-particles. The conformal PNM thin film can be a perovskite composition of PrNiMnO(PNM). The PrOnano-particles dramatically enhance the oxygen reduction reaction kinetics via a high concentration of oxygen vacancies while the thin PNM film effectively suppresses strontium segregation from the cathode of an intermediate-temperature solid oxide fuel cell.

Catalyst coating of a perovskite film and particles exsoluted from the perovskite film

A method of fabricating a SSZ/SDC bi-layer electrolyte solid oxide fuel cell, comprising the steps of: fabricating an NiO-YSZ anode substrate from a mixed NiO and yttria-stabilized zirconia by tape casting; sequentially depositing a NiO-SSZ buffer layer, a thin SSZ electrolyte layer and a SDC electrolyte on the NiO-YSZ anode substrate by a particle suspension coating or spraying process, wherein the layers are co-fired at high temperature to densify the electrolyte layers to at least about 96% of their theoretical densities; and painting/spraying a SSC-SDC slurry on the SDC electrolyte to form a porous SSC-SDC cathode. A SSZ/SDC bi-layer electrolyte cell device and a method of using such device are also discussed.

Electrolyte formation for a solid oxide fuel cell device

A composition of matter is disclosed which is a perovskite having a composition AxA'BB&#x2032;O, where A is a praseodymium (Pr) element at the A-site of the perovskite, A&#x2032; is a strontium (Sr) element at the A-site of the perovskite, B is a cobalt (Co) element at the B-site of the perovskite, and B&#x2032; is a manganese (Mn) element at the B-site of the perovskite, and where 0&#x3c;x &#x2264;1 and 0&#x3c;y&#x3c;2. Also disclosed is an electrode material Conformally coated with the composition of matter. Also disclosed are methods of producing the composition of matter and conformally coating the electrode material. Also disclosed an electrode is conformally coated with a praseodymium strontium manganese perovskite and a method for the coating.

Electro-catalytic conformal coatings and method for making the same

The present invention discloses an integrated SOFC system powered by natural gas. Specifically, a SOFC-O cell is combined with a SOFC-H cell so as to take advantage of the high operating temperature and steam reforming capabilities of the SOFC-O cell as well as the higher fuel conversion efficiency of the SOFC-H cell.

Integrated natural gas powered SOFC systems

Embodiments of the present anhydrous fuel cell electrodes comprise an anhydrous catalyst layer and a gas diffusion layer, wherein the anhydrous catalyst layer comprises at least one catalyst, about 5 mg/cmto about 100 mg/cmof phosphoric acid added as a catalyzing reagent during formation of the catalyst layer, and a binder comprising at least one triazole modified polymer, wherein the triazole modified polymer comprises a polysiloxane backbone and a triazole substituent.

Fuel cell electrodes with triazole modified polymers and membrane electrode assemblies incorporating same

The present invention relates to a novel method for preparing a BZCYYb material to be used in a solid oxide fuel cell. In particular, the method comprises mixing particular nano-sized and micro-sized ingredients and the size selection provides greatly improved performance characteristics of the resulting material. In particular, barium carbonate powder, zirconium oxide powder having particle diameters in the nanometer range, and cerium oxide powder having particle diameter in the micrometer range are used together with ytterbium oxide powder, and yttrium oxide powder.

Optimization of BZCYYb synthesis

Embodiments of the present disclosure include chemical compositions, structures, anodes, cathodes, electrolytes for solid oxide fuel cells, solid oxide fuel cells, fuel cells, fuel cell membranes, separation membranes, catalytic membranes, sensors, coatings for electrolytes, electrodes, membranes, and catalysts, and the like, are disclosed.

Chemical compositions, methods of making the chemical compositions, and  structures made from the chemical compositions

Solid-oxide fuel cells include an electrolyte and an anode electrically coupled to a first surface of the electrolyte. A cathode is provided, which is electrically coupled to a second surface of the electrolyte. The cathode includes a porous backbone having a porosity in a range from about 20% to about 70%. The porous backbone contains a mixed ionic-electronic conductor (MIEC) of a first material infiltrated with an oxygen-reducing catalyst of a second material different from the first material.

Solid oxide fuel cells having porous cathodes infiltrated with oxygen-reducing catalysts

Polymer electrolyte membranes (PEMs), methods and use thereof in fuel cells and methods of preparing thereof are disclosed. A PEM may include at least one porous support film and a polysiloxane polymer bonded to the at least one porous support film, wherein the polysiloxane polymer includes at least one polysiloxane grafted to a heterocycle.

Proton exchange membranes based on heterocycles and acids through an organic-inorganic hybrid process

A proton exchange membrane comprises a hybrid inorganic-organic polymer that includes implanted metal cations. Acid groups are bound to the hybrid inorganic-organic polymer through an interaction with the implanted metal cations. An example process for manufacturing a proton exchange membrane includes sol-gel polymerization of silane precursors in a medium containing the metal cations, followed by exposure of the metal-implanted hybrid inorganic-organic polymer to an acid compound.

Proton exchange membranes (PEM) based on hybrid inorganic-organic copolymers with grafted phosphoric acid groups and implanted metal cations

A proton conducting polymer includes a polymer backbone and a heterocyclic compound attached to the polymer backbone. The heterocyclic compound includes a sulfonyl functionality bonded to heterocyclic compound.

Sulfonyl grafted heterocycle materials for proton conducting electrolytes

Embodiments of the present inventions are directed to fuel cell electrodes in membrane electrode assemblies, and methods of making same wherein the fuel cell electrodes comprise a catalyst layer and a gas diffusion layer. The catalyst layer comprises at least one catalyst, phosphoric acid and a binder comprising at least one triazole modified polymer.

A composition of matter is formed from a graftable polymer, having graftable sites onto which sidechains have been grafted. The sidechains include at least one silane group, and may be formed by polymerization of a polymerizable group of a silane precursor. These compositions may further include acid groups, and may be used, for example, in improved proton conducting materials in fuel cells. 

Hybrid inorganic-organic polymer electrolyte membranes (PEMs) based on alkyloxysilane grafted thermoplastic polymers

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Alpharetta, GA, United States of America

Meilin Liu