Patent
Electrocatalyst powders, methods for producing powders and devices fabricated from same
Mark J. Hampden-Smith,Toivo T. Kodas,Plamen Antanassov,Klaus Kunze,Paul Napolitano,Rimple Bhatia,David Dericotte,Paolina Atanassova +7 more
TLDR
In this article, carbon composite electrocatalyst powders have a well-controlled microstructure and morphology, and the method includes forming the particles from an aerosol of precursors by heating the aerosol to a relatively low temperature.Abstract:
Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from an aerosol of precursors by heating the aerosol to a relatively low temperature, such as not greater than about 400° C.read more
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Patent
Method of producing membrane electrode assemblies for use in proton exchange membrane and direct methanol fuel cells
Mark J. Hampden-Smith,Toivo T. Kodas,Paolina Atanassova,Rimple Bhatia,Ross A. Miesem,Paul Napolitano,Gordon L. Rice +6 more
TL;DR: In this paper, the authors used direct-write tools to deposit ink compositions and form functional layers of a membrane electrode assembly having controlled properties and enhanced performance for the manufacture of anodes and cathodes for proton exchange membrane fuel cells.
Patent
Low viscosity precursor compositions and methods for the deposition of conductive electronic features
Toivo T. Kodas,Mark J. Hampden-Smith,Karel Vanheusden,Hugh Denham,Aaron D. Stump,Allen B. Schult,Paolina Atanassova,Klaus Kunze +7 more
TL;DR: In this paper, a precursor composition for the deposition and formation of an electrical feature such as a conductive feature was proposed, which advantageously has a low viscosity enabling deposition using direct write tools.
Patent
Metal nanoparticle compositions
Karel Vanheusden,Klaus Kunze,Hyungrak Kim,Aaron D. Stump,Allen B. Schult,Mark J. Hampden-Smith,Charles O. Edwards,Anthony R. James,James Caruso,Toivo T. Kodas,Scott Haubrich,Mark H. Kowalski +11 more
TL;DR: A metal nanoparticle composition for the fabrication of conductive features was proposed in this paper, which has a low viscosity permitting deposition of the composition by direct-write tools and a low conversion temperature permitting its conversion to an electrical feature on polymeric substrates.
Patent
Production of metal nanoparticles
Karel Vanheusden,Klaus Kunze,Hyungrak Kim,Aaron D. Stump,Allen B. Schult,Mark J. Hampden-Smith,Charles O. Edwards,Anthony R. James,James Caruso,Toivo T. Kodas,Scott Haubrich,Mark H. Kowalski,Nathan E. Stott +12 more
TL;DR: In this article, a process for the production of metal nanoparticles is described, which includes the steps of heating a powder of a polymer of vinyl pyrrolidone; forming a first solution comprising the powder and a polyol; and mixing the first solution with a second solution comprising a metal precursor capable of being reduced to a metal by the polyol.
Patent
System for energy harvesting and/or generation, storage, and delivery
TL;DR: In this paper, a device and method for harvesting, generating, storing, and delivering energy to a load, particularly for remote or inaccessible applications, is presented, where the charging voltage is programmable, enabling one device to be used for a wide range of specific applications.
References
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Patent
Dispersible macromolecule compositions and methods for their preparation and use
TL;DR: In this paper, a process for preparing ultrafine powders of biological macromolecules comprises atomizing liquid solutions of the macromoles, drying the droplets formed in the atomization step, and collecting the particles which result from drying.
Patent
Aerosol method and apparatus, particulate products, and electronic devices made therefrom
Mark J. Hampden-Smith,Toivo T. Kodas,Quint H. Powell,Daniel J. Skamser,James Caruso,Clive D. Chandler +5 more
TL;DR: In this article, an ultrasonic aerosol method was proposed for preparing powders of a variety of materials using a plurality of ultrasonic transducers underlying and ultrasonically energizing a reservoir of liquid feed.
Patent
Systems and processes for spray drying hydrophobic drugs with hydrophilic excipients
TL;DR: In this paper, the hydrophilic and hydrophobic components are separately dissolved in separate solvents and directed through a nozzle, usually a coaxial nozzle, into the spray dryer.
Patent
Supported nanoparticle catalyst
Shane Shanhong Mao,Guoping Mao +1 more
TL;DR: In this article, a method of making a supported catalyst is provided comprising the steps of providing a solution of metal chlorides of one or more catalyst metals in solvent system containing at least one polyalcohol, typically ethylene glycol containing less than 2% water.
Patent
Metal-carbon composite powders, methods for producing powders and devices fabricated from same
TL;DR: In this article, a method for producing metal-carbon composite powders is described, which includes forming the particles from an aerosol of powder precursors, and also includes novel devices and products formed from the composite powder.