| Patent application number | Description | Published |
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| 20100193365 | POROUS THREE DIMENSIONAL COPPER, TIN, COPPER-TIN, COPPER-TIN-COBALT, AND COPPER-TIN-COBALT-TITANIUM ELECTRODES FOR BATTERIES AND ULTRA CAPACITORS - A method and apparatus for forming a reliable and cost efficient battery or electrochemical capacitor electrode structure that has an improved lifetime, lower production costs, and improved process performance are provided. In one embodiment a method for forming a three dimensional porous electrode for a battery or an electrochemical cell is provided. The method comprises depositing a columnar metal layer over a substrate at a first current density by a diffusion limited deposition process and depositing three dimensional metal porous dendritic structures over the columnar metal layer at a second current density greater than the first current density. | 08-05-2010 |
| 20100200403 | METROLOGY METHODS AND APPARATUS FOR NANOMATERIAL CHARACTERIZATION OF ENERGY STORAGE ELECTRODE STRUCTURES - Embodiments described herein generally relate to methods and apparatus for forming an electrode structure used in an energy storage device. More particularly, embodiments described herein relate to methods and apparatus for characterizing nanomaterials used in forming high capacity electrode structures for energy storage devices. In one embodiment a process for forming an electrode structure for an energy storage device is provided. The process comprises depositing a columnar metal structure over a substrate at a first current density by a diffusion limited deposition process, measuring a capacitance of the columnar metal structure to determine a surface area of the columnar metal structure, and depositing three dimensional porous metal structures over the columnar metal structure at a second current density greater than the first current density. | 08-12-2010 |
| 20100203391 | MESOPOROUS CARBON MATERIAL FOR ENERGY STORAGE - A mesoporous carbon material formed on an electrode surface in an energy storage device, and a method of forming the same are disclosed. The mesoporous carbon material acts as a high surface area ion intercalation medium for the energy storage device, and is made up of CVD-deposited carbon fullerene “onions” and carbon nanotubes (CNTs) that are interconnected in a fullerene/CNT hybrid matrix. The fullerene/CNT hybrid matrix is a high porosity material that is capable of retaining lithium ions in concentrations useful for storing significant quantities of electrical energy. The method, according to one embodiment, includes vaporizing a high molecular weight hydrocarbon precursor and directing the vapor onto a conductive substrate to form a mesoporous carbon material thereon. | 08-12-2010 |
| 20100216026 | Thin film electrochemical energy storage device with three-dimensional anodic structure - A method for forming a battery from via thin-film deposition processes is disclosed. A mesoporous carbon material is deposited onto a surface of a conductive substrate that has high surface area, conductive micro-structures formed thereon. A porous, dielectric separator layer is then deposited on the layer of mesoporous carbon material to form a half cell of an energy storage device. The mesoporous carbon material is made up of CVD-deposited carbon fullerene “onions” and carbon nano-tubes, and has a high porosity capable of retaining lithium ions in concentrations useful for storing significant quantities of electrical energy. Embodiments of the invention further provide for the formation of an electrode having a high surface area conductive region that is useful in a battery structure. In one configuration the electrode has a high surface area conductive region comprising a porous dendritic structure that can be formed by electroplating, physical vapor deposition, chemical vapor deposition, thermal spraying, and/or electroless plating techniques. | 08-26-2010 |
| 20100330425 | PASSIVATION FILM FOR SOLID ELECTROLYTE INTERFACE OF THREE DIMENSIONAL COPPER CONTAINING ELECTRODE IN ENERGY STORAGE DEVICE - A system and method for fabricating lithium-ion batteries using thin-film deposition processes that form three-dimensional structures is provided. In one embodiment, an anodic structure used to form an energy storage device is provided. The anodic structure comprises a conductive substrate, a plurality of conductive microstructures formed on the substrate, a passivation film formed over the conductive microstructures, and an insulative separator layer formed over the conductive microstructures, wherein the conductive microstructures comprise columnar projections. | 12-30-2010 |
| 20110097628 | NUCLEATION AND GROWTH OF TIN PARTICLES INTO THREE DIMENSIONAL COMPOSITE ACTIVE ANODE FOR LITHIUM HIGH CAPACITY ENERGY STORAGE DEVICE - Embodiments of the present invention generally relate to lithium-ion batteries, and more specifically, to a system and method for fabricating such batteries using thin-film processes that form three-dimensional structures. In one embodiment, an anodic structure used to form an energy storage device is provided. The anodic structure comprises a flexible conductive substrate, a plurality of conductive microstructures formed on the conductive substrate, comprising a plurality of columnar projections and dendritic structures formed over the plurality of columnar projections and a plurality of tin particles formed on the plurality of conductive microstructures. In another embodiment, the anodic structure further comprises a tin nucleation layer comprising tin particles formed on the flexible conductive substrate between the flexible conductive substrate and the plurality of conductive microstructures. | 04-28-2011 |
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| 20090071830 | Systems and Methods for Isolating Nucleic Acids - A system for collecting target nucleic acids from a sample can include at least one sample chamber configured to receive a sample containing target nucleic acids and other material, at least one collection chamber removably mountable relative to the at least one sample chamber and configured to collect target nucleic acids separated from the other material, a filter removably mountable relative to the at least one sample chamber and configured to be disposed between the at least one sample chamber and the at least one collection chamber when the at least one collection chamber is mounted relative to the at least one sample chamber. The system may further include a pair of electrodes configured to generate an electric field sufficient to cause target nucleic acids in the at least one sample chamber to migrate via electrophoresis from the at least one sample chamber through the filter into the at least one collection chamber, wherein the filter may be configured to permit passage of target nucleic acids and to block passage of material of a size larger than the target nucleic acids. | 03-19-2009 |
| 20090209751 | METHODS AND KITS FOR EXTRACTION OF DNA - Methods and materials are disclosed for use in recovering a biopolymer from a solution. In particular, the invention provides methods for extraction and isolation of nucleic acids from biological materials. The nucleic acids can be separated by forming a stable complex with soluble polysaccharide polymers and magnetic particles, in the presence of detergents and solvent. When the particles are magnetically separated out of the solution, the nucleic acids are separated with them. The nucleic acids can subsequently be released and separated from the particles. The nucleic acid preparation is useful for achieving efficient and accurate results in downstream molecular techniques such as quantification, identification of the source of the nucleic acids, and genotyping. | 08-20-2009 |
| 20100029925 | METHODS AND KITS FOR EXTRACTION OF DNA - Methods and materials are disclosed for use in recovering a biopolymer from a solution. In particular, the invention provides methods for extraction and isolation of nucleic acids from biological materials. The nucleic acids can be separated by forming a stable complex with soluble polysaccharide polymers and magnetic particles, in the presence of detergents and solvent. When the particles are magnetically separated out of the solution, the nucleic acids are separated with them. The nucleic acids can subsequently be released and separated from the particles. The nucleic acid preparation is useful for achieving efficient and accurate results in downstream molecular techniques such as quantification, identification of the source of the nucleic acids, and genotyping. | 02-04-2010 |
| 20110146418 | Sample Preparation Devices and Methods - A device for sample processing can include at least one chamber having an egress, said chamber being configured to receive a sample for processing, a filter through which at least some sample portions in the at least one chamber flow, and a barrier member disposed in a first state to contain sample in the at least one chamber. Upon sufficient conditions, the barrier member can be alterable to a second state to permit flow of at least some sample portions contained in the chamber in a flow direction toward the egress and through the filter. | 06-23-2011 |
