Abstract: A cathode material for a lithium ion secondary battery includes: a metal oxide as a cathode active material; and a carbon material which coats at least a part of a surface of a particle of the metal oxide, wherein the cathode material has hydrophilicity so as to be precipitated into pure water.

Abstract: A method for manufacturing a multiple oxide includes: a solution preparing step of adding to iron and steel pickling waste liquid, a lithium compound soluble in acidic aqueous solution and an oxoanion raw-material compound to prepare a mixed solution; a roasting step of introducing the mixed solution into a roasting furnace to roast the mixed solution; and a collecting step of collecting the multiple oxide obtained in the roasting step.

Abstract: A conductive paste for forming a solar cell electrode, including: a conductive powder containing silver as a main component; glass frit; and an organic vehicle, wherein the glass frit contains tellurium glass frit having tellurium oxide as a network-forming component. The conductive paste of the present invention makes it possible to form a solar cell electrode having a low dependence on firing temperature without causing problems due to fire-through into the substrate, and to thereby obtain a solar cell having good solar cell characteristics.

Abstract: A nickel powder with an average particle size of 0.05 to 1.0 ?m, which is composed of nickel particles having an oxidized surface layer and containing sulfur, wherein the sulfur content with respect to the total weight of the powder is 100 to 2000 ppm, and the intensity of a peak identified to sulfur bonded to nickel in surface analysis by ESCA of the nickel particles varies in a direction toward the center from the surface of the particles, and this intensity has its maximum at a location deeper than 3 nm from the particle outermost surface. This nickel powder is manufactured by bringing a nickel powder containing sulfur and dispersed in a non-oxidizing gas atmosphere into contact with an oxidizing gas at a high temperature.

Abstract: The invention provides a nickel-rhenium alloy powder that contains nickel as a main component, 0.1 to 10% by weight of rhenium and 50 to 10,000 ppm of silicon in terms of silicon atoms, and that is suitable, in particular, for the formation of an internal electrode layer for a multilayer ceramic electronic component. The obtained powder is homogeneously mixed and dispersed in an organic vehicle, together with other additives as needed, to prepare a conductor paste. When used in particular for forming an internal electrode of a multilayer ceramic electronic component, the nickel-rhenium alloy powder of the invention delays sintering initiation and slows down the progress of sintering during firing, even for extremely fine powders, while bringing the sintering shrinkage behaviors of electrode layers and ceramic layers closer to each other. Moreover, there occurs no electrode spheroidizing caused by oversintering. A thinner, dense internal electrode having excellent continuity can be formed as a result.

Abstract: A nickel-rhenium alloy powder comprising nickel as a main component, 0.1 to 10% by weight of rhenium, and having an average particle size of 0.05 to 1.0 ?m is provided. The nickel-rhenium alloy powder has a surface oxide film containing a nickel oxide and a rhenium oxide, and the amount of oxygen in the surface oxide film is 0.1 to 3.0% by weight relative to the total weight of the powder. The nickel-rhenium alloy powder is suitable, in particular, for forming internal electrode layers of a multilayer ceramic electronic component. The obtained powder is homogeneously mixed and dispersed in an organic vehicle, together with other additives as needed, to prepare a conductor paste. The surface oxide film allows bringing the sintering shrinkage behavior of electrode layers and ceramic layers closer to each other when the nickel-rhenium alloy powder is used, in particular, for forming internal electrodes of a multilayer ceramic electronic component.

Abstract: A melt of nickel nitrate hydrate is introduced as droplets or liquid flow into a heated reaction vessel and thermally decomposed in a gas phase at a temperature of 1200° C. or more and at an oxygen partial pressure equal to or below the equilibrium oxygen pressure of nickel-nickel oxide at that temperature to manufacture a highly crystalline fine nickel powder with an extremely narrow particle size distribution. The oxygen partial pressure during the thermal decomposition is preferably 10?2 Pa or less, and a metal other than nickel, a semimetal and/or a compound of these may be added to the nickel nitrate hydrate melt to manufacture a highly crystalline nickel alloy powder or highly crystalline nickel composite powder. The resultant powder is suited in particular to thick film pastes such as conductor pastes for manufacturing ceramic multilayer electronic components.

Abstract: A nickel powder with a mean particle size of 0.05 to 1.0 ?m, the nickel powder having a thin oxidized layer of nickel on a surface thereof, an oxygen content of 0.3 to 3.0 wt. % and a carbon content of 100 ppm or less per specific surface area of 1 m2/g of the powder, in a weight proportion of carbon to the nickel powder of unit weight. When the powder is used for a conductive paste for forming inner electrode layers of a multilayer electronic component, it enables a decrease in the residual carbon amount after a binder removal process, thereby making it possible to obtain a multilayer ceramic electronic component excellent electrical characteristics and high reliability in which electrode layers excelling in continuity are formed without decreasing the strength and electrical characteristics of the electronic component or creating structural defects.

Abstract: Metal particles that can be alloyed with rhenium are dispersed as a main component in a gas phase, a rhenium oxide vapor is made to be present around these particles, the rhenium oxide is reduced, and the rhenium precipitated on the surface of the main component metal particles as a result of this reduction is diffused under a high temperature into the main component metal particles, which gives a rhenium-containing alloy powder including the main component metal and rhenium. The powder thus obtained preferably contains 0.01 to 50 wt % rhenium, has an average particle size of 0.01 to 10 ?m, and is made into a conductor paste by being uniformly mixed and dispersed in an organic vehicle along with other additives as needed.

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: A light emitting apparatus capable of efficiently generating high luminance white light is provided. The present invention permits white light to be generated, without using low-emission efficiency white light emitters, by forming a light emitter layer 16 using a high-light emission efficiency blue light emitter and yellow light emitter. In this case, having at least a part of the blue light emitter particles 17 and at least a part of the yellow light emitter particles 18 exposed at a surface of the light emitter layer 16, respectively, allows both of such particles to be directly bombarded with electrons, thereby effecting a highly efficient electron excitation.

Abstract: A conductive paste for multilayer electronic components which is to be directly printed on a ceramic green sheet, the conductive paste contains a conductive powder, a resin and an organic solvent, wherein the organic solvent contains at least one solvent selected from an alkylene glycol diacetate and an alkylene glycol dipropionate. A multilayer electronic component is obtained by firing at high temperature an unfired laminate prepared by alternately stacking ceramic green sheets and internal electrode paste layers in which each of the internal electrode paste layers is formed by the above conductive paste. The conductive paste has appropriate viscosity characteristics and long-term stability, which allows manufacturing highly reliable multilayer electronic components having excellent electrical characteristics, without causing sheet attack.

Abstract: Disclosed is a conductive paste for a multilayer electronic part to be screen-printed on a ceramic green sheet, comprising 70-95 weight % of conductive metal powder, a resin, and a solvent, wherein a phase angle ? in a dynamic viscoelastic measurement is within a range of from 43° to 72° at a frequency of 0.05 Hz and is within a range of 63° or less at a frequency of 30 Hz.

Abstract: A conductive paste for a terminal electrode of a multilayer ceramic electronic part, comprising (A) a spherical conductive powder which comprises chiefly copper, and which has a vitreous thin film on at least a portion of the surfaces thereof, (B) a flaky conductive powder comprising chiefly copper, (C) a glass powder, and (D) an organic vehicle, and may further contain (E) an aliphatic amine. When baked to form terminal electrodes for multilayer ceramic electronic parts, this paste exhibits extremely superior binder removal characteristics at low temperatures, and furthermore, it is superior in terms of oxidation resistance, binder removal characteristics and firing characteristics with no need for strict control of the firing conditions, thereby dense terminal electrodes that are superior in terms of adhesion and conductivity can be formed.

Abstract: Disclosed is a conductive paste for a multilayer electronic part to be screen-printed on a ceramic green sheet, comprising 70-95 weight % of conductive metal powder, a resin, and a solvent, wherein a phase angle ? in a dynamic viscoelastic measurement is within a range of from 43° to 72° at a frequency of 0.05 Hz and is within a range of 63° or less at a frequency of 30 Hz.

Abstract: A method of manufacturing a highly crystallized phosphor powder, comprising: making a raw material solution containing metal elements and/or semimetal elements that will be constituents of the phosphor into fine liquid droplets, subjecting the liquid droplets to decomposition by heating at a temperature of 500 to 1800° C. to produce hollow precursor particles and/or porous precursor particles, heating the precursor particles to crystallize the precursor particles while maintaining the hollow or porous form, and grinding the crystallized particles down to a predetermined particle size. The obtained phosphor powder is a high luminance inorganic phosphor powder that is extremely fine, and yet has few defects on the surface of or inside the powder, and hence has excellent crystallinity and light emission characteristics, and provides a phosphor composition useful for producing a phosphor layer with high coverage and high luminance of light emission.

Abstract: A method for manufacturing a highly-crystallized double oxide powder composed of a single crystal phase which can be used as a phosphor material, a dielectric material, a magnetic material, etc. The method involves forming fine droplets of a raw material solution containing a raw material compound that includes at least one metal element and/or at least one semi-metal element that constitutes a double oxide, and heating these droplets at a high temperature, wherein the raw material solution is a solution which exhibits only one main peak attributable to the decomposition reaction of the raw material compound or a reaction intermediate thereof in a DTA profile when the solution is dried and solidified and subjected to TG-DTA measurement.

Abstract: A method for manufacturing a highly-crystallized oxide powder, wherein an oxide powder is produced by ejecting a starting material powder containing at least one metal element and/or semimetal element, which will become a constituent component of the oxide, into a reaction vessel together with a carrier gas through a nozzle; and heating the starting material powder at a temperature higher than the decomposition temperature or reaction temperature thereof and not lower than (Tm/2)° C., where Tm° C. stands for a melting point of the oxide, in a state in which the starting material powder is dispersed in a gas phase at a concentration of not higher than 10 g/L. In the above method, the starting material powder may be mixed and dispersed in the carrier gas by using a dispersing machine prior to being ejected into the reaction vessel through a nozzle.

Abstract: A method in which a metal powder is produced by ejecting a thermally decomposable metal compound powder into a reaction vessel through a nozzle together with a carrier gas under the condition V/S>600, where V is the flow rate of the carrier gas per unit time (liter/min), and S is the cross-sectional area of the nozzle opening part (cm2), and heating this metal powder at a temperature which is higher than the decomposition temperature of the metal compound powder and not lower than (Tm?200)° C., where Tm is the melting point of the metal, in a state where the metal compound powder is dispersed in the gas phase at a concentration of 10 g/liter or less. The method provides a fine, spherical, highly-crystallized metal powder which has a high purity, high density, high dispersibility and extremely uniform particle size, at low cost and using a simple process.

Abstract: A glass containing no lead and comprising, calculated as oxides: 40-60 wt. % ZnO, 15-35 wt. % B2O3, 1-16 wt. % SiO2, 1-10 wt. % Al2O3, 2-15 wt. % MnO2, and at least one selected from the group consisting of Li2O, Na2O and K2O in their total of 0.5-10 wt. %, and a glass with the above-described components where a total of at least one selected from the group consisting of Li2O, Na2O and K2O is 0-5 wt. %, and at least one selected from the group consisting of MgO, CaO, TiO2, Cr2O3, ZrO2, Ta2O5, SnO2, and Fe2O3 is further included in their total of 0.1-5 wt. %. A conductive paste using such a glass as an inorganic binder has a superior binder removal ability and a good sinterability and can form dense conductors with excellent characteristics with respect to resistance to plating solutions, adhesive strength, resistance to thermal shocks, etc.