Patent application number | Description | Published |
20090124034 | Nanostructured Thin Films and Their Uses - The present invention generally discloses the use of a nanostructured non-silicon thin film (such as an alumina or aluminum thin film) on a supporting substrate which is subsequently coated with an active layer of a material such as silicon or tungsten. The base, underlying non-silicon material generates enhanced surface area while the active layer assists in incorporating and transferring energy to one or more analytes adsorbed on the active layer when irradiated with a laser during laser desorption of the analyte(s). The present invention provides substrate surfaces that can be produced by relatively straightforward and inexpensive manufacturing processes and which can be used for a variety of applications such as mass spectrometry, hydrophobic or hydrophilic coatings, medical device applications, electronics, catalysis, protection, data storage, optics, and sensors. | 05-14-2009 |
20090143227 | POROUS SUBSTRATES, ARTICLES, SYSTEMS AND COMPOSITIONS COMPRISING NANOFIBERS AND METHODS OF THEIR USE AND PRODUCTION - Porous and/or curved nanofiber bearing substrate materials are provided having enhanced surface area for a variety of applications including as electrical substrates, semipermeable membranes and barriers, structural lattices for tissue culturing and for composite materials, production of long unbranched nanofibers, and the like. | 06-04-2009 |
20090192429 | RESORBABLE NANOENHANCED HEMOSTATIC STRUCTURES AND BANDAGE MATERIALS - Methods, systems, and apparatuses for nanomaterial-enhanced hemostatic medical devices are provided. Hemostatic materials and structures are provided that induce coagulation of blood at a wound/opening caused by trauma, a surgical procedure, ulceration, or other cause. The hemostatic materials and structures may incorporate nanostructures and/or further hemostatic elements such as polymers and/or glass beads. The hemostatic materials and structures may be resorbable. Example embodiments include hemostatic bandages, hemostatic plugs, and hemostatic formulations. | 07-30-2009 |
20100155696 | Large-Area Nanoenabled Macroelectronic Substrates and Uses Therefor - A method and apparatus for an electronic substrate having a plurality of semiconductor devices is described. A thin film of nanowires is formed on a substrate. The thin film of nanowires is formed to have a sufficient density of nanowires to achieve an operational current level. A plurality of semiconductor regions are defined in the thin film of nanowires. Contacts are formed at the semiconductor device regions to thereby provide electrical connectivity to the plurality of semiconductor devices. Furthermore, various materials for fabricating nanowires, thin films including p-doped nanowires and n-doped nanowires, nanowire heterostructures, light emitting nanowire heterostructures, flow masks for positioning nanowires on substrates, nanowire spraying techniques for depositing nanowires, techniques for reducing or eliminating phonon scattering of electrons in nanowires, and techniques for reducing surface states in nanowires are described. | 06-24-2010 |
20100279513 | Systems and Methods for Nanowire Growth and Manufacturing - The present invention is directed to compositions of matter, systems, and methods to manufacture nanowires. In an embodiment, a buffer layer is placed on a nanowire growth substrate and catalytic nanoparticles are added to form a catalytic-coated nanowire growth substrate. Methods to develop and use this catalytic-coated nanowire growth substrate are disclosed. In a further aspect of the invention, in an embodiment a nanowire growth system using a foil roller to manufacture nanowires is provided. | 11-04-2010 |
20100297502 | Nanostructured Materials for Battery Applications - The present invention relates to nanostructured materials (including nanowires) for use in batteries. Exemplary materials include carbon-comprising, Si-based nanostructures, nanostructured materials disposed on carbon-based substrates, and nanostructures comprising nanoscale scaffolds. The present invention also provides methods of preparing battery electrodes, and batteries, using the nanostructured materials. | 11-25-2010 |
20110008707 | Catalyst Layer for Fuel Cell Membrane Electrode Assembly, Fuel Cell Membrane Electrode Assembly Using the Catalyst Layer, Fuel Cell, and Method for Producing the Catalyst Layer - A catalyst layer for a fuel cell membrane electrode assembly includes a plurality of agglomerates, adjacent ones of the plurality of agglomerates contacting with each other with pores provided between said adjacent ones of the plurality of agglomerates, each of the plurality of agglomerates being formed by packing a plurality of catalysts each consisting of noble metal fine particles supported on a fiber-like support material, adjacent ones of the plurality of catalysts contacting with each other with pores provided between said adjacent ones of the plurality of catalysts, and each of the plurality of catalysts contacting with a plurality of catalysts other than said each catalyst at a plurality of contact points. This allows providing a catalyst layer, a fuel cell membrane electrode assembly, and a fuel cell, each of which has compact size and excellent power generation performance, and a method for producing the same. | 01-13-2011 |
20110275005 | Membrane Electrode Assemblies With Interfacial Layer - The present invention relates to interfacial layers for use m membrane electrode assemblies that comprise nanowire-supported catalysts, and fuel cells comprising such membrane electrode assemblies. The present invention also relates to methods of preparing membrane electrode assemblies and fuel cells comprising interfacial layers and nanowire-supported catalysts. | 11-10-2011 |
20110275011 | Electrochemical Catalysts for Fuel Cells - The present invention relates to electrochemical catalyst particles, including nanoparticles, which can be used membrane electrode assemblies and in fuel cells. In exemplary embodiments, the present invention provides electrochemical catalysts supported by various materials. Suitably the catalysts have an atomic ratio of oxygen to a metal in the nanoparticle of about 3 to about 6. | 11-10-2011 |
20120021331 | NANOSTRUCTURED CATALYST SUPPORTS - The present invention relates to SiC nanostructures, including SiC nanopowder, SiC nanowires, and composites of SiC nanopowder and nanowires, which can be used as catalyst supports in membrane electrode assemblies and in fuel cells. The present invention also relates to composite catalyst supports comprising nanopowder and one or more inorganic nanowires for a membrane electrode assembly. | 01-26-2012 |