Abstract: The present invention provides high density cobalt-manganese coprecipitated nickel hydroxide, particularly having a tapping density of 1.5 g/cc or greater, and a process for its production characterized by continuous supply of an aqueous solution of a nickel salt which contains a cobalt salt and a manganese salt, of a complexing agent and of an alkali metal hydroxide, into a reactor either in an inert gas atmosphere or in the presence of a reducing agent, continuous crystal growth and continuous removal.
Abstract: The present invention provides high density cobalt-manganese coprecipitated nickel hydroxide, particularly having a tapping density of 1.5 g/cc or greater, and a process for its production characterized by continuous supply of an aqueous solution of a nickel salt which contains a cobalt salt and a manganese salt, of a complexing agent and of an alkali metal hydroxide, into a reactor either in an inert gas atmosphere or in the presence of a reducing agent, continuous crystal growth and continuous removal.
Abstract: Described is a composite lithium compound having a mixed crystalline structure. Such compound was formed by heating a lithium compound and a metal compound together. The resulting mixed metal crystal exhibits superior electrical property and is a better cathode material for lithium secondary batteries.
Type:
Application
Filed:
February 29, 2008
Publication date:
September 3, 2009
Applicant:
BYD COMPANY LIMITED
Inventors:
Tangli Cheng, Long He, Zhanfeng Jiang, Ye Tian, Junfeng Liu
Abstract: Provided are an electron injecting layer formed by spin-coating a solution of a superacid salt, a lithium salt or a mixture thereof dissolved in a solvent, a photovoltaic device including the same, a method of manufacturing the photovoltaic device, and an organic light-emitting device including the electron injecting layer.
Type:
Application
Filed:
February 17, 2009
Publication date:
August 27, 2009
Inventors:
Moon-Jae Lee, Dae-Won Kim, Chang-Hee Lee, Ji-Young Kim, Jung-Ho Park
Abstract: A method for preparing Li1+xNi1?yCoyO2 cathode materials is disclosed, wherein ?0.2?x?0.2 and 0.05?y?0.5. The method includes the following steps: (A) adding a first solution into a second solution to form a mixed solution, wherein the first solution is a saturated lithium hydroxide solution, the second solution contains nickel salt and cobalt salt, the mole ratio of the lithium ion in the first solution to nickel ion and cobalt ion in the second solution ranges from 1.5:1 to 5:1, and the molar ratio of nickel ion to cobalt ion in the second solution is 1?y:y; (B) stirring the mixed solution; (C) filtering the mixed solution and obtaining a co-precipitated precursor, wherein the molar ratio of lithium ion:nickel ion:cobalt ion is 1+x:1?y:y; and (D) heating the co-precipitated precursor at a temperature higher than 600° C.
Type:
Grant
Filed:
November 3, 2005
Date of Patent:
August 18, 2009
Assignee:
Tatung Company
Inventors:
She-Huang Wu, Wen-Jen Liu, ChihWei Yang
Abstract: There is provided a mixture having a freezing point of up to 50° C., formed by reaction between: (A) one molar equivalent of a salt of formula I (Mn+)(X?)n I or a hydrate thereof; and (B) from one to eight molar equivalents of a complexing agent comprising one or more uncharged organic compounds, each of which compounds has (i) a hydrogen atom that is capable of forming a hydrogen bond with the anion X?; and (ii) a heteroatom selected from the group consisting of O, S, N and P that is capable of forming a coordinative bond with the metal ion Mn+, which reaction is performed in the absence of extraneous solvent, wherein M, X? mind a have meaning given in the description.
Abstract: The invention is directed to black conductive composition(s), black electrodes made from such compositions and methods of forming such electrodes. In particular, the invention is directed to flat panel display applications, including alternating-current display panel applications. Still further, the invention is directed to composition(s) utilizing conductive metal oxides selected from an oxide of two or more elements selected from Ba, Ru, Ca, Cu, Sr, Bi, Pb, and the rare earth metals and photocrosslinkable polymers. These compositions are particularly useful in making photoimageable black electrodes for flat panel display applications.
Type:
Grant
Filed:
March 7, 2006
Date of Patent:
August 4, 2009
Assignee:
E. I. du Pont de Nemours and Company
Inventors:
Michael F. Barker, Keiichiro Hayakawa, Jerome David Smith
Abstract: It is the object of the present invention to provide a binder resin for coating paste, comprising a polyvinyl acetal type resin, having an excellent dispersibility of inorganic powder such as conductive powder, ceramic powder and glass powder and being capable of exerting an extremely excellent coating property, particularly a printing property, when dispersing the inorganic powder to form paste, conductive paste, ceramic paste and glass paste. in the formulas, R1 represents a straight chain or branched alkyl group having 1 to 20 carbon atoms, and R2 represents hydrogen, a straight chain, branched or cyclic alkyl group having 1 to 20 carbon atoms, or an aryl group; and n represents an integer of 1 to 8; and further in the modified polyvinyl acetal resin, a content of the structural unit represented by the general formula (3) is 1 to 20 mol % and a content of the structural unit represented by the general formula (4) is 30 to 78 mol %.
Abstract: An object of the present invention is to provide an oxygen reduction electrode having excellent oxygen reduction properties (oxygen reduction catalyst abilities). The present invention encompasses: (1) A method for manufacturing a nanostructured manganese oxide having a dendritic structure formed from an agglomeration of primary particles, wherein the method comprises the steps of: removing components from a target plate that comprises one or more kinds of manganese oxides by irradiating the target plate with laser light in an atmosphere comprising a mixed gas of inert gas and oxygen gas, the content of the oxygen gas in the mixed gas being no less than 0.05% but no more than 0.
Abstract: Disclosed is an electrically conductive adhesive that includes an electrically conductive powder, a heat-curable silicone resin, and a solvent.
Abstract: Disclosed herein is a carboxylic ester dispersant shown in the following Formula 1 and a sulfide phosphor paste composition containing the dispersant. The dispersant improves the dispersibility of the sulfide phosphor paste composition and prevents oxidation by a solvent, thus improving processability and the luminescent properties of a phosphor film made from the paste and of a display produced using the film. In Formula 1, n is 1-20.
Type:
Grant
Filed:
April 20, 2006
Date of Patent:
July 14, 2009
Assignee:
Samsung Electro-Mechanics Co., Ltd.
Inventors:
Eun Sung Lee, Jae Young Choi, Seon Mi Yoon, Xiaoqing Zeng, Don-Ik Lee
Abstract: To provide an electron source to be used for a surface analyzer such as a scanning or transmission electron microscope or an Auger electron spectroscope, or an electron beam lithography machine, particularly for a semiconductor wafer inspection apparatus such as a scanning electron microscope to be used at a low acceleration with an electron beam acceleration voltage of up to 1 kV, CD SEM or DR SEM. An electron source wherein a barium supplying source consisting of a complex oxide comprising barium oxide and an oxide of metal other than barium, is provided at a portion of a single crystal needle of tungsten or molybdenum.
Abstract: Active materials of the invention contain at least one alkali metal and at least one other metal capable of being oxidized to a higher oxidation state. Preferred other metals are accordingly selected from the group consisting of transition metals (defined as Groups 4-11 of the periodic table), as well as certain other non-transition metals such as tin, bismuth, and lead. The active materials may be synthesized in single step reactions or in multi-step reactions. In at least one of the steps of the synthesis reaction, reducing carbon is used as a starting material. In one aspect, the reducing carbon is provided by elemental carbon, preferably in particulate form such as graphites, amorphous carbon, carbon blacks and the like. In another aspect, reducing carbon may also be provided by an organic precursor material, or by a mixture of elemental carbon and organic precursor material.
Type:
Grant
Filed:
July 27, 2005
Date of Patent:
June 23, 2009
Assignee:
Valence Technology, Inc.
Inventors:
Jerry Barker, Yazid Saidi, Ming Dong, Jeffrey Swoyer
Abstract: A surface-mount negative-characteristic thermistor includes a ceramic body composed of a semiconductor ceramic material including at least one of Mn, Ni, and Ti; external electrodes disposed on surfaces of the ceramic body; and plating films disposed on surfaces of the external electrodes. When the molar quantity of Mn in the semiconductor ceramic material is represented by a and when the molar quantity of Ni in the semiconductor ceramic material is represented by b, the molar ratio of Mn to Ni is in the range of 55/45?a/b?90/10, and when the total molar quantity of Mn and Ni in the semiconductor ceramic material is defined as 100 parts by mole, the content of Ti is in the range of about 0.5 parts by mole to about 25 parts by mole.
Abstract: A glass composition for a thick-film resistor including at least one oxide selected from CaO, SrO, and BaO in an amount of 13 mol % to 45 mol %, B2O3 in 0 to 40 mol % (however, not including 0), SiO2 in 17 mol % to 72 mol % (however, not including 72 mol %), ZrO2 in 0 to 10 mol % (however, not including 0), and at least one oxide selected from Ta2O5 and Nb2O5 in 0 to 10 mol % (however, not including 0), a thick-film resistor paste obtained by mixing this glass composition with a conductive material and organic vehicle, a thick-film resistor obtained by printing and firing this paste and thereby being lead-free, superior in TCR and STOL, and high in resistance, and an electronic device having this thick-film resistor.
Abstract: Disclosed is a thermosetting conductive paste which is advantageous in that an external electrode for multilayer ceramic electronic part formed using the paste exhibits excellent bonding properties with an internal electrode and is suitable for mounting on a substrate or plating, achieving excellent electric properties (electrostatic capacity, tan ?. A thermosetting conductive paste comprising: (A) metal powder having a melting point of 700° C. or higher; (B) metal powder having a melting point of higher than 300 to lower than 700° C.; and (C) a thermosetting resin.
Abstract: An emulsion for preparing a low-conductivity surface for powder coating, the emulsion including an emulsified organofunctional silane solution. A pre-powder coating emulsion provides a surface with conductivity. A non-conductive object having applied to an exterior surface of the object the emulsion including an emulsified organofunctional silane solution.
Abstract: A sintered body target for transparent conductive film fabrication is chiefly composed of Ga, In, and O; has a Ga content ranging from 49.1 at. % to 65 at. % with respect to all metallic atoms; is chiefly constructed from a ?-GaInO3 phase and an In2O3 phase; provides an In2O3 phase (400)/?-GaInO3 phase (111) X-ray diffraction peak intensity ratio that is 45% or less; and has a density of 5.8 g/cm3 or more. A transparent conductive film obtained by using a sputtering technique is an amorphous oxide transparent conductive film chiefly composed of Ga, In, and O, so that a Ga content ranges from 49.1 at. % to 65 at. % with respect to all metallic atoms, a work function is 5.1 eV or more, and a refractive index for light with a wavelength of 633 nm ranges from 1.65 to 1.85.
Abstract: Provided is a thermally conductive composition which shows a low thermal resistance, and good releasability after service. For example, one composition includes an acrylic-based thermally conductive composition comprising a binder component containing a crystalline acrylic polymer with an alkyl group of 18 carbons or more and a thermally conductive filler.
Abstract: A varistor including a varistor body with two parallel end faces made of a material that contains one or more metal oxides, and at least one electrode made of an electrically conductive electrode material arranged on any of the end faces of the varistor body. The electrode includes a layer of electrode material coated on the end face by means of an ion- or atom-transferring method, whereby the layer has a thickness within the interval of from 5 micrometers to 30 micro-meters.
Type:
Grant
Filed:
November 28, 2005
Date of Patent:
April 28, 2009
Assignee:
ABB Research Ltd.
Inventors:
Åke Öberg, Peter Hidman, Ragnar Österlund, Leif Pettersson
Abstract: In a positive electrode of a non-aqueous electrolyte battery, at least one metal oxide selected from the group consisting of titanium dioxide, alumina, zinc oxide, chromium oxide, lithium oxide, nickel oxide, copper oxide and iron oxide is dispersed between particles of an active substance for the positive electrode, whereby a discharge capacity or a discharge-recharge capacity of the non-aqueous electrolyte battery is improved.
Abstract: The invention relates to a method of doping semiconductor material. Essentially, the method comprises mixing a quantity of particulate semiconductor material with an ionic salt or a preparation of ionic salts. Preferably, the particulate semiconductor material comprises nanoparticles with a size in the range 1 nm to 100 ?m. Most preferably, the particle size is in the range from 50 nm to 500 nm. Preferred semiconductor materials are intrinsic and metallurgical grade silicon. The invention extends to a printable composition comprising the doped semiconductor material as well as a binder and a solvent. The invention also extends to a semiconductor device formed from layers of the printable composition having p and n type properties.
Abstract: There is provided a lithium secondary battery having a high capacity and excellent high-rate discharge characteristic and charge/discharge cycle characteristic. The lithium secondary battery comprises a negative electrode, a positive electrode and an ionic conductor, wherein the positive electrode comprises lithium metal composite oxide particles; the lithium metal composite oxide particles comprise a plurality of secondary particles in an elongated shape each comprised of a plurality of primary particles with an average particle size of 0.1 to 1 ?m so aggregated as to form a void therebetween; and the secondary particle is columnar or planar and has an average size in a long length direction of 5 to 15 ?m.
Abstract: Novel chain polymers comprising weakly basic anionic moieties chemically bound into a polyether backbone at controllable anionic separations are presented. Preferred polymers comprise orthoborate anions capped with dibasic acid residues, preferably oxalato or malonato acid residues. The conductivity of these polymers is found to be high relative to that of most conventional salt-in-polymer electrolytes. The conductivity at high temperatures and wide electrochemical window make these materials especially suitable as electrolytes for rechargeable lithium batteries.
Type:
Grant
Filed:
June 16, 2001
Date of Patent:
March 17, 2009
Assignee:
Arizona Board of Regents for and on behalf of Arizona State University
Abstract: The invention is directed to a method for improving the performance of electrophoretic displays by modifying the electrical properties of the display cells.
Type:
Grant
Filed:
February 18, 2005
Date of Patent:
March 17, 2009
Assignee:
Sipix Imaging, Inc.
Inventors:
Xin Weng, Yajuan Chen, Scott C-J Tseng, Jack Hou
Abstract: Embodiments described herein provide for a composition of voltage switchable dielectric (VSD) material that includes a concentration of modified high-aspect ratio (HAR) particles. In an embodiment, at least a portion of the concentration includes HAR particles are surface-modified to provide core-shell HAR particles. As an alternative or addition, a portion of the concentration includes HAR particles that are surface-modified to have activated surfaces.
Type:
Application
Filed:
August 18, 2008
Publication date:
February 26, 2009
Inventors:
Lex Kosowsky, Robert Fleming, Junjun Wu
Abstract: A cathode material particle comprising a plurality of cathode material cores and each cathode material core having plurality of grains and each grain being uniformly covered with a nano-metal oxide layer, wherein a thickness of the nano-metal oxide layer is 1 nm to 100 nm. The cathode material has excellent safety (good thermal stability), high-capacity, good cycleability and-high-rate charging or discharging capability.
Type:
Application
Filed:
October 10, 2008
Publication date:
February 26, 2009
Applicant:
Industrial Technology Research Institute
Abstract: A method of manufacturing a positive electrode for a non-aqueous electrolyte battery includes: applying a positive electrode slurry onto a positive electrode current collector, the positive electrode slurry containing a positive electrode active material, a conductive agent, carboxymethylcellulose, and a latex-based plastic. The method is characterized by including: a first step of dispersing and mixing the carboxymethylcellulose and the conductive agent in an aqueous solution to prepare a conductive agent slurry; and a second step of dispersing and mixing the positive electrode active material and the latex-based plastic in the conductive agent slurry, to prepare the positive electrode slurry.
Abstract: A composition comprising a liquid and a plurality of silver-containing nanoparticles with a stabilizer, wherein the silver-containing nanoparticles are a product of a reaction of a silver compound with a reducing agent comprising a hydrazine compound in the presence of a thermally removable stabilizer in a reaction mixture comprising the silver compound, the reducing agent, the stabilizer, and an organic solvent wherein the hydrazine compound is a hydrocarbyl hydrazine, a hydrocarbyl hydrazine salt, a hydrazide, a carbazate, a sulfonohydrazide, or a mixture thereof and wherein the stabilizer includes an organoamine.
Abstract: A new hybrid nanoparticle, i.e., a nanorice particle, which combines the intense local fields of nanorods with the highly tunable plasmon resonances of nanoshells, is described herein. This geometry possesses far greater structural tunability than previous nanoparticle geometries, along with much larger local field enhancements and far greater sensitivity as a surface plasmon resonance (SPR) nanosensor than presently known dielectric-conductive material nanostructures. In an embodiment, a nanoparticle comprises a prolate spheroid-shaped core having a first aspect ratio. The nanoparticle also comprises at least one conductive shell surrounding said prolate spheroid-shaped core. The nanoparticle has a surface plasmon resonance sensitivity of at least 600 nm RIU?1. Methods of making the disclosed nanorice particles are also described herein.
Type:
Application
Filed:
March 2, 2007
Publication date:
February 5, 2009
Inventors:
Hui Wang, Daniel Brandl, Fei Le, Peter Nordlander, Naomi J. Halas
Abstract: The present invention relates to a process for producing a composite cathode active material for a non-aqueous electrolyte secondary cell which is subjected to surface treatment, comprising: previously mixing the cathode active material with a surface-treating component in the form of a metal compound containing one or more metal elements selected from the group consisting of the first transition series elements and the second transition series elements; and then coating the cathode active material with the surface-treating component using an apparatus capable of effecting a high-speed shearing action.
Abstract: A mineral slurry comprises mineral particles in an amount equal to or greater than about 60 percent by total weight of the slurry, wherein 85 percent of the mineral particles have an average particle size equal to or less than 2 micrometers; a polyelectrolyte dispersant derived from an acrylate polymer formed by reversible addition-fragmentation chain transfer polymerization, wherein the polyelectrolyte dispersant comprises endgroups comprising thio-containing residues derived from a trithiocarbonate chain transfer agent, wherein the polyelectrolyte dispersant is in an amount less than about 35 pounds of the dispersant per ton of dry mineral particles, and wherein the polyelectrolyte dispersant has a molecular weight of 3000 to 10,000 Daltons and a polydispersity of at least 1.0 and less than 1.5; and the remainder water.
Abstract: A resistor composition containing: a lead-free ruthenium-based electrically conductive component, a lead-free glass having a glass basicity (Po value) of 0.4 to 0.9, and an organic vehicle; wherein, MSi2Al2O8 crystals (M: Ba and/or Sr) are present in a thick film resistor obtained by firing this composition. The ruthenium-based resistor composition is capable of forming a lead-free thick film resistor which eliminates harmful lead components from an electrically conductive component and glass, and has superior TCR characteristics, current noise characteristics, withstand voltage characteristics and stability after a heat cycling test over a wide resistance range.
Abstract: Disclosed is metal composite oxides having the new crystal structure. Also disclosed are ionic conductors including the metal composite oxides and electrochemical devices comprising the ionic conductors. The metal composite oxides have an ion channel formed for easy movement of ions due to crystallographic specificity resulting from the ordering of metal ion sites and metal ion defects within the unit cell. Therefore, the metal composite oxides according to the present invention are useful in an electrochemical device requiring an ionic conductor or ionic conductivity.
Type:
Grant
Filed:
April 21, 2005
Date of Patent:
January 13, 2009
Assignee:
LG Chem, Ltd.
Inventors:
Seung Tae Hong, Yun Ho Roh, Eung Je Lee, Mi Hyae Park
Abstract: A photo-conductor layer for constituting a radiation imaging panel, which photo-conductor layer is capable of recording radiation image information as an electrostatic latent image, is produced. The photo-conductor layer contains a Bi12MO20 sintered material, in which M represents at least one kind of element selected from the group consisting of Ge, Si, and Ti. Sintering processing for the formation of the Bi12MO20 sintered material is performed in an inert gas, atmosphere. Alternatively, the sintering processing is performed at a sintering temperature falling within the range of 800° C. to 900° C. and in an atmosphere, in which an oxygen partial pressure PO2 (Pa) satisfies the condition 10?3?PO2?10?1.
Abstract: A sintered body target for transparent conductive film fabrication is chiefly composed of Ga, In, and O; has a Ga content ranging from 49.1 at. % to 65 at. % with respect to all metallic atoms; is chiefly constructed from a ?-GaInO3 phase and an In2O3 phase; provides an In2O3 phase (400)/?-GaInO3 phase (111) X-ray diffraction peak intensity ratio that is 45% or less; and has a density of 5.8 g/cm3 or more. A transparent conductive film obtained by using a sputtering technique is an amorphous oxide transparent conductive film chiefly composed of Ga, In, and O, so that a Ga content ranges from 49.1 at. % to 65 at. % with respect to all metallic atoms, a work function is 5.1 eV or more, and a refractive index for light with a wavelength of 633 nm ranges from 1.65 to 1.85.
Abstract: A cathode active material for nonaqueous electrolyte secondary battery is provided. The cathode active material includes: composite oxide particles containing at least lithium and cobalt; a coating layer disposed on at least a part of the surface of said composite oxide particles and including an oxide containing lithium and at least one coating element selected from nickel and manganese; and a surface layer disposed on at least a part of said coating layer and including an oxide containing at least one element selected from among lanthanoids.
Abstract: A sputtering target including indium oxide and tin oxide, the content by percentage of the tin atoms therein being from 3 to 20 atomic % of the total of the indium atoms and the tin atoms, and the maximum grain size of indium oxide crystal in the sputtering target being 5 ?m or less. When a transparent conductive film is formed by sputtering, this sputtering target makes it possible to suppress the generation of nodules on the surface of the target and to conduct the sputtering stably.
Abstract: To provide a method for preparing a mayenite type compound having electroconductivity imparted. A method for preparing an electroconductive mayenite type compound, which comprises melting a raw material containing Al and at least one element selected from the group consisting of Ca and Sr, holding the melt in a low oxygen partial pressure atmosphere having an oxygen partial pressure of not higher than 10 Pa, followed by cooling or annealing in a low oxygen partial pressure atmosphere or in atmospheric air for solidification, thereby to replace oxygen present in cages by electrons in a high concentration.
Type:
Grant
Filed:
August 14, 2006
Date of Patent:
December 16, 2008
Assignees:
Asahi Glass Company, Limited, Japan Science and Technology Agency
Abstract: This invention relates to a process for producing an improved powder for the positive electrode of lithium ion batteries wherein the powder comprises lithium, vanadium and phosphate. The process includes forming a suspension of the precursors with a high boiling temperature solvent and heating the suspension to a reaction temperature of between 250° C. and 400° C. to convert the precursors to the desired solid product. The solid product is separated from the suspension and is heated to a higher temperature to crystallize the product. The resulting product retains a small particle size thus avoiding the need for milling or other processing to reduce the product to a particle size suited for batteries.
Abstract: Disclosed is a conductive composition used for a conductor of an electronic component, comprising a metal particle and a metal oxide particle which has an average particle size of 5 to 60 nm, a melting point of 1500° C. or higher, and a content of 0.1 to 10.0 wt % based on the amount of the metal particle. According to the conductive composition, even when the metal particle is made fine, a sintering initiation temperature can be adequately increased, thus a generation of a crack and a de-lamination can be prevented easily and firmly.
Abstract: Provided are a group 13 nitride phosphor having high luminous intensity and excellent reliability obtained by preparing group 13 nitride crystallites homogeneously dispersible in a solid matrix by capping surface defects and homogeneously dispersing the group 13 nitride crystallites in the solid matrix and an efficient method of preparing the same. The present invention relates to a group 13 nitride phosphor consisting of group 13 nitride crystallites having a group 13 element dispersed in a matrix of a silica gel solid layer, with a diamine compound bonded to the surfaces of the group 13 nitride crystallites and the silica gel solid layer, and a method of preparing the same.
Abstract: Disclosed are aqueous solutions for use in high energy, highly efficient electrical energy storage devices. The solutions contain (a) a high purity sulfonic acid with a low concentration of low valent sulfur compounds or higher valent sulfur compounds susceptible to reduction, (b) a metal or metals in an oxidized state that are capable of being reduced to the zero valent oxidation state, (c) a metal that is in an oxidized state that is incapable of being reduced to its metallic state and (d) optionally, a buffering agent and/or conductivity salts.
Type:
Grant
Filed:
May 13, 2004
Date of Patent:
November 18, 2008
Assignee:
Arkema Inc.
Inventors:
Nicholas Michael Martyak, Martin Nosowitz
Abstract: An electrically conductive, compliant elastomer material that is impregnated with a metal is formed by combining a metal salt with an elastomer precursor material to form a metal salt/precursor mixture, curing the metal salt/precursor mixture to form an elastomer impregnated with metal salt, and treating the elastomer impregnated with metal salt with a chemical reducing composition so as to convert at least a portion of the metal salt impregnated within the elastomer to a metal. The elastomer can be subjected to a suitable solvent that swells the elastomer during the chemical reduction of the metal salt to metal, which enhances the mechanical and electrical properties of the resultant metal impregnated elastomer material.
Type:
Application
Filed:
November 28, 2007
Publication date:
November 13, 2008
Applicant:
University of Maryland College Park
Inventors:
Elisabeth Smela, Remi Delille, Mario Urdaneta, Samuel Moseley
Abstract: Monomers (e.g. thinphenes) are caused to polymerise by mixing them with an oxidising agent (and generally a solvent comprising water) and irradiating the mixture with light (visible or UV). Polymer properties can be varied by doping or chemical modification. Uses include sensor elements for assays and electrical components such as electrodes.
Type:
Grant
Filed:
March 24, 2003
Date of Patent:
November 11, 2008
Assignee:
Cranfield University
Inventors:
Sergey Anatoliyovich Piletsky, Olena Volodimirivna Piletska, Anthony Peter Francis Turner, Khalku Karim, Beining Chen
Abstract: A metallic colloidal solution (a) includes a water-based dispersion medium that is easy in handling with regard to safety and environment and metallic particles having a uniform particle diameter and being excellent in properties such as conductivity and (b) has properties suitable for various printing methods and ink-applying methods. In addition, an inkjet-use metallic ink incorporating the metallic colloidal solution has properties suitable for the inkjet printing method. The metallic particles are deposited by reducing metallic ions in water and have a primary-particle diameter of at most 200 nm. The dispersion medium is made of a mixed solvent of water and a water-soluble organic solvent. The metallic particles are dispersed in the dispersion medium under the presence of a dispersant having a molecular weight of 200 to 30,000.
Abstract: Composite particles of a semiconductor particle such as a metal chalcogenide within a crosslinked, cored dendrimer are described. Additionally, methods of making the composite particles and compositions that contain the composite particles are described.
Type:
Application
Filed:
July 11, 2008
Publication date:
October 30, 2008
Inventors:
Neal A. Rakow, Michael S. Wendland, Mary I. Buckett
Abstract: A method of producing a solid electrolyte (3, 13) is disclosed wherein solid electrolyte material is prepared having a composition expressed by a formula: (1-x) ZrO2 {xSc2O3 (where x is a number equal to or greater than 0.05 and equal to or less than 0.15), and a spark plasma method is carried out to sinter solid electrolyte material, resulting in a solid electrolyte. Such spark plasma method is executed by applying first compression load, equal to or less that 40 MPa, to solid electrolyte material, to sinter the solid electrolyte material to obtain sintered material, which is then cooled by applying second compression load, less than first compression load, to the sintered material, resulting in a solid electrolyte.
Type:
Grant
Filed:
March 19, 2004
Date of Patent:
October 21, 2008
Assignees:
Nissan Motor Co., Ltd., National Institute of Advanced Industrial Science and Technology