A spherical strontium titanate fine particulate powder has a primary particle having an average primary particle size equal to or less than 50 nm. The spherical strontium titanate fine particulate powder has a ratio between the average primary particle size and a BET-converted particle size ranging from 0.85 to 1.25. The BET-converted particle size is derived from a BET specific surface area by using the expression 6000/(BET×5.13).
In an electromagnetic wave shielding material (1) according to the present invention, a conductive mesh (20) is provided on both surfaces of a magnetic layer (30) containing a magnetic material.
H01F 1/10 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
3.
ACTIVE ENERGY RAY-CURABLE COMPOSITION AND CURED PRODUCT THEREOF
33 (M is Ba and/or Sr) is at least partially coated with a surface treatment agent (B); a photopolymerizable compound (C); and a photopolymerization initiator (D). The average particle diameter of the coated particles (A) is 10 nm to 40 nm. The content of the surface treatment agent (B) in the coated particles (A) is 5 wt% to 20 wt% relative to the weight of the inorganic particles (A0).
The present disclosure relates to a flexible sintered sheet having electromagnetic-wave absorption characteristics in a GHz-band frequency region. The flexible sintered sheet comprises: a sintered ferrite substrate comprising magnetoplumbite ferrite; and pressure-sensitive adhesive layers or protective layers provided on both surfaces of the sintered ferrite substrate so as to sandwich the sintered ferrite substrate therebetween. The ferrite in the sintered ferrite substrate has a crystallite size of 200 nm or larger, the sintered ferrite substrate has a density of 3.00 g/cc or higher, and the sintered ferrite substrate is divided into small pieces.
H05K 9/00 - Screening of apparatus or components against electric or magnetic fields
C04B 35/26 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites
H01F 1/10 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
The present invention provides a soft magnetic compound which contains a flat soft magnetic iron-based alloy powder and a resin. In the soft magnetic compound: the content of the soft magnetic iron-based alloy powder is 15-55 vol%; the aspect ratio of the soft magnetic iron-based alloy powder in a cross-section of the soft magnetic compound is 30-60; the viscosity is 1,000-40,000 Pa∙S; and the magnetic permeability at 100 MHz is 13-200.
H01F 1/28 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder dispersed or suspended in a bonding agent
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 1/10 - Metallic powder containing lubricating or binding agentsMetallic powder containing organic material
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
One embodiment of the present invention provides a soft magnetic resin composition from which it is possible to form a molded body which, without showing a reduction in magnetic properties, has excellent physical properties such as IZOD impact strength, bending strength, and heat resistance, and in which generation of corrosive gas is reduced. This soft magnetic resin composition contains a soft magnetic metal powder, a PPS resin, and a hydrotalcite powder. The contained amount of the hydrotalcite powder is 0.1-15.0 wt% with respect to the PPS resin. This molded body is obtained from said soft magnetic resin composition.
The present invention is to provide a process for removing magnesium contained as an impurity from nickel sulfate and producing high-purity nickel sulfate.
The present invention is to provide a process for removing magnesium contained as an impurity from nickel sulfate and producing high-purity nickel sulfate.
The process for producing an aqueous nickel sulfate solution from which magnesium is removed from nickel sulfate, comprises the following steps (1) to (3):
(1) a carbonation step obtaining a slurry comprising nickel carbonate as a solid content by mixing a nickel sulfate aqueous solution and lithium carbonate,
(2) a solid-liquid separation step of separating the slurry obtained in the carbonation step into a solid content and liquid component, and
(3) a dissolution step dissolving the solid content obtained in said solid-liquid separation step with a solution containing sulfuric acid.
The present invention provides a perfect-sphere-shaped Ni-based spinel ferrite powder, wherein said ferrite powder has a circularity coefficient of 0.75-1.00 and an average particle size D50 of 0.1-200 μm, and the permittivity at 50 MHz when 60 vol% of the ferrite powder is kneaded into a resin is 1-13.
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
H01F 1/37 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles in a bonding agent
9.
METHOD FOR PRODUCING LITHIUM SULFATE AND TRANSITION METAL SULFATE
The present invention is to provide a means for efficiently and economically separating and recovering transition metals including nickel and cobalt, and lithium from an aqueous sulfate solution comprising the transition metal and lithium as major components.
The present invention is to provide a means for efficiently and economically separating and recovering transition metals including nickel and cobalt, and lithium from an aqueous sulfate solution comprising the transition metal and lithium as major components.
The present invention is a process for producing lithium sulfate comprising:
a step of concentration-crystallization to an aqueous solution comprising at least lithium sulfate and a transition metal sulfate as main components so as to obtain a slurry comprising lithium sulfate as a solid content, and
a step of solid-liquid separation of the slurry obtained in the step of concentration-crystallization so as to separate lithium crystals and a crystallization mother liquor.
This spherical strontium titanate particulate powder is characterized by being surface-treated with a surface treatment agent having an average primary particle size of 50 nm or less and a surface treatment agent amount of 5-30 wt%. The spherical strontium titanate particulate powder is fine and has a spherical shape, and thus a transparent composite film can be obtained. Moreover, said surface treatment improves the solvent affinity of the particle surfaces, thus making it possible to produce a powder, a dispersion, and a resin composition having high dispersion stability. Therefore, it is possible to provide a non-cloudy composite thin film.
The present invention relates to barium strontium titanate, specifically a powder of fine barium strontium titanate particles characterized by having an average primary-particle diameter of 50 nm or smaller and a difference between the lattice constant and a theoretical lattice constant of 0-0.0080 Å. The present invention further relates to a method for producing the powder of fine barium strontium titanate particles, characterized by mixing a titanium source with an aqueous alkali solution to obtain a hydrous titanium hydroxide slurry through a neutralization reaction, subjecting the slurry to water washing and heating, adding the resultant titanium hydroxide to a solution mixture of an aqueous strontium solution and an aqueous barium solution, subjecting the resultant mixture to a wet-process reaction at a temperature in the range of 100-300°C, and then subjecting the reaction product to water washing and drying.
This globular-shaped strontium titanate-based fine powder has a globular shape, and is characterized in that the average primary particle diameter is less than 50 nm, and the crystallinity, which is determined by the particle density, is 86% or more. As a result of having a high crystallinity, the fine powder can provide: a dispersion having low water content and a uniform particle distribution; and a resin composition such as a composite film.
This spherical strontium titanate-based fine particle powder, characterized by having a spherical shape and having an average primary particle diameter of less than 50 nm and a particle A/B of 0.80 to 0.95, has an appropriately controlled composition, and thus has high dispersion stability in a resin or solvent and can provide a composite film in which particles are uniformly distributed.
The present disclosure relates to a dispersion body including strontium titanate spherical fine particle powder and a solvent. The dispersion body is characterized in that the diameter of dispersed particles of the strontium titanate spherical fine particle powder in the dispersion body is less than 100 nm. The dispersion body is uniformly dispersed in the dispersion solvent as nanometer-scale fine particles with a narrow particle size distribution, can achieve both transparency of a composite film and dispersion stability in a resin and the like, and can provide a composite thin film without white turbidity.
23233 with Fe in solid solution. The BET specific surface area thereof is 5-20 m2. The composite iron oxide particle powder is obtained by washing, drying, and then firing in a temperature range of 700-100°C a mixture of aluminum-containing goethite and aluminum-containing magnetite obtained by mixing a metal salt solution containing Fe2+and Al3+ with an alkali solution at a temperature of 50°C or higher to effect oxidation in aqueous solution.
The present invention provides an efficient producing method of high-purity lithium hydroxide, capable of increasing the yield of lithium hydroxide, removing alkali metal impurities, and reducing the amount of by-products generated.
The present invention provides an efficient producing method of high-purity lithium hydroxide, capable of increasing the yield of lithium hydroxide, removing alkali metal impurities, and reducing the amount of by-products generated.
A process for producing lithium hydroxide from lithium sulfate as a starting material containing at least one of sodium and potassium as impurities, which process comprises the following steps of (A) to (F):
(A) a production step of an aqueous lithium hydroxide solution and sulfuric acid by an electrochemical membrane separation method using lithium sulfate as a raw material;
(B) a crystallization step producing a lithium hydroxide crystal by crystallization using the obtained aqueous lithium hydroxide solution in the above electrochemical membrane separation step as a raw material;
(C) a solid-liquid separation step in which a portion of slurry in the above crystallization step is discharged and is subjected to solid-liquid separation to separate a lithium hydroxide crystal and crystallization mother liquor, and thereafter a washing step to clean the separated solid content;
(D) a carbonation step obtaining a slurry comprising a lithium-containing carbonate compound as a solid content by discharging a portion of crystallization mother liquor in said crystallization step and reacting said discharged crystallization mother liquor with carbon dioxide gas, and a solid-liquid separation step separating said slurry into a lithium-containing solid content and a liquid content;
(E) an acid dissolution step producing a lithium sulfate aqueous solution by reacting said lithium-containing solid content with sulfuric acid;
(F) a mixing step reusing the lithium sulfate aqueous solution obtained by said acid dissolution step as the raw material of said step of (A).
A ferrite sheet includes a substrate, a sintered ferrite plate provided on a surface of the substrate via an adhesive layer, and a protective layer provided on a surface of the sintered ferrite plate. The protective layer includes at least one groove that extends to at least the sintered ferrite plate and does not extend to a surface of the substrate that is not in contact with the adhesive layer.
H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
A magnetic sheet (1) comprises a magnetic plate (10) that is large enough to be wound at least once around the outer circumference of a cable (2) without a gap, a protection layer (20) that is provided to the surface of the magnetic plate (10), and an adhesive layer (30) that is provided to the surface of the magnetic plate (10) on the reverse side from the protection layer (20). The protection layer (20) and the adhesive layer (30) are larger than the magnetic plate (10). The magnetic sheet (1) is formed such that, when wound around the outer circumference of the cable (2) with the adhesive layer (30) facing the cable (2) side, a portion of the adhesive layer (30) adheres to the surface of the protection layer (20) on the reverse side from the magnetic plate (10).
The present disclosure provides a titanate compound particle powder which is surface-treated with use of a surface treatment agent, and which is characterized by having an average primary particle diameter of 10 to 70 nm, a specific surface area of 30 m2/g or less, and an adsorption parameter of 15 or less as determined by water vapor adsorption measurement.
The present invention provides an amorphous carbon-metal iron composite that is safe and easy to handle, that maintains activity for a long period of time, and that is capable of sufficiently reducing organic halogen compounds contained in soil or underground water. This amorphous carbon-metal iron composite comprises: amorphous carbon; and an iron compound including at least an α-iron phase. The carbon content of the amorphous carbon-metal iron composite is 45-75 wt%, and the total of the α-iron phase content and austenite (γ-iron) phase content of the amorphous carbon-metal iron composite is 7.5-55 wt%.
The purpose of the present invention is to provide a negative electrode material for a lithium ion secondary battery, which is improved in the capacity retention rate. The aspect of the present invention, there is provided silicon-containing amorphous carbon particles comprising an easy-graphitizable amorphous carbon containing silicon oxide particles having a chemical formula represented by SiOx (0
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/48 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
22.
FERRITE PARTICLE POWDER FOR ELECTROMAGNETIC WAVE ABSORPTION, METHOD FOR MANUFACTURING SAME, RESIN COMPOSITION USING SAME, AND ELECTROMAGNETIC WAVE ABSORBING MATERIAL
x(12-y)z(1-z)y1919, where A is at least one element selected from Ba, Sr, Ca and Pb, x is 0.9 to 1.1, y is 5.0 or less, and z is 0.35 to 0.65, the ferrite particle powder having a compression density of 3.00 g/cm3 or greater, and a D10 of 0.8 µm or less and a D90 of 8.6 µm or less, as determined by laser diffraction.
H01F 1/11 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
C04B 35/26 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
H05K 9/00 - Screening of apparatus or components against electric or magnetic fields
23.
RESIN COMPOSITION FOR BOND MAGNET AND BOND MAGNET FORMED BODY FORMED USING SAME
According to one aspect of the present disclosure, it is possible to provide: a resin composition for a bond magnet that excels in physical characteristics such as heat resistance, bending strength, and IZOD impact strength without reduction of a magnetic characteristic, and that has a low water absorption rate; and a bond magnet formed body formed using said resin composition. The resin composition for a bond magnet includes at least magnetic powder and a binder resin, contains 70 wt% or greater of the magnetic powder, and contains 5-30 wt% of a resin having a PA10 skeleton as the binder resin.
H01F 1/08 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
H01F 1/053 - Alloys characterised by their composition containing rare earth metals
H01F 1/113 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites in the form of particles in a bonding agent
[Problem] To provide a soft magnetic metal powder that is an aggregate of fine particles and has a high spheroidization rate, and thus readily forms a low-viscosity paste so as to allow a thin layer to be formed. Due to containing a small amount of boron, which reduces saturization magnetization, said soft magnetic metal powder can produce electronic components having excellent magnetic characteristics. Moreover, said soft magnetic metal powder has a narrow particle size distribution, allowing for high solvent dispersibility, and the ability to form a thin layer of exceptional surface smoothness. [Solution] This soft magnetic metal powder has an average particle diameter of 0.05 µm to 1.5 µm. The change coefficient represented by Formula 1 is 0.25 or less, the boron content is less than 1.5 mass% (but not 0), and the spheroidization rate represented by (Formula 2) is 75% or greater. (Formula 1) Particle diameter standard deviation/average particle diameter (Formula 2) (area/minimum circumscribed circle area) × 100
H01F 1/20 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 1/05 - Metallic powder characterised by the size or surface area of the particles
B22F 1/16 - Metallic particles coated with a non-metal
B22F 9/24 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
H01F 1/147 - Alloys characterised by their composition
H01F 1/33 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials mixtures of metallic and non-metallic particlesMagnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metallic particles having oxide skin
25.
SOFT-MAGNETIC METAL POWDER, PRODUCTION METHOD FOR SAME, AND RESIN COMPOSITION
[Problem] To provide a soft-magnetic metal powder that comprises fine particles but does not readily aggregate and therefore has good dispersibility, is spherical, has excellent ability to fill and be dispersed in resins and the like, and has a narrow particle size distribution and a uniform primary particle diameter and thereby makes it possible to produce a magnetic material that has excellent magnetic characteristics at desired frequencies and has a high Q value in high-frequency bands of at least 1 GHz. [Solution] A soft-magnetic metal powder according to the present invention contains 5.0–10.0 wt% of B, the remainder being at least one metal selected from among Fe, Ni, and Co. The soft-magnetic metal powder has an average primary particle diameter of 0.05–1.5 μm, a coefficient of variation (standard deviation of primary particle diameter/average primary particle diameter) of no more than 0.25, and an aggregation ratio (average aggregate particle diameter/average primary particle diameter) of no more than 3.
H01F 1/20 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 1/05 - Metallic powder characterised by the size or surface area of the particles
B22F 1/10 - Metallic powder containing lubricating or binding agentsMetallic powder containing organic material
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
B22F 9/24 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
26.
FERRITE SHEET STRIP, AND ANTENNA DEVICE AND CABLE USING FERRITE SHEET STRIP
A ferrite sheet strip includes a strip shaped substrate and a plurality of ferrite sheet pieces provided on a surface of the substrate. The plurality of ferrite sheet pieces are aligned and spaced apart by a gap from one another along a longitudinal direction of the substrate. The gap extends at least partially so as not to be parallel to a lateral direction of the substrate.
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
27.
FERRITE PARTICLES FOR BONDED MAGNETS, RESIN COMPOSITION FOR BONDED MAGNETS, AND MOLDED PRODUCT USING THE SAME
The present invention relates to ferrite particles for bonded magnets and a resin composition for bonded magnets which can provide a bonded magnet molded product capable of realizing a high magnetic force and a complicated multipolar waveform owing to such a feature that the ferrite particles are readily and highly oriented against an external magnetic field in a flowing resin upon injection molding, as well as a bonded magnet molded product obtained by injection-molding the above composition. According to the present invention, there are provided ferrite particles for bonded magnets which have a crystallite size of not less than 500 nm as measured in an oriented state by XRD, and an average particle diameter of not less than 1.30 μm as measured by Fisher method; a resin composition for bonded magnets; and a molded product obtained by injection-molding the composition.
H01F 1/11 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
28.
COMPOSITE IRON OXIDE PARTICLE POWDER AND METHOD FOR MANUFACTURING SAME
B01J 20/04 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
B01J 20/30 - Processes for preparing, regenerating or reactivating
29.
BARIUM TITANATE PARTICULATE POWDER AND PRODUCTION METHOD THEREFOR
9550509595 is a diameter corresponding to 95% of the cumulative frequency distribution, and the maximum torque of oil absorption characteristics is 0.2 N·m or less.
C04B 35/38 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites with manganese oxide as the principal oxide with zinc oxide
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
31.
POWER TRANSMISSION COIL STRUCTURE AND POWER TRANSMISSION DEVICE EQUIPPED WITH SAME
The present invention provides a power transmission coil structure (1) which comprises: a flat plate-shaped first magnetic body (10); a second magnetic body (20) that includes a central magnetic body (21) provided in a central portion on a surface of the first magnetic body (10), and a peripheral magnetic body (22) provided in a peripheral portion on the surface of the first magnetic body (10); a third magnetic body (30) provided between the central magnetic body (21) and the peripheral magnetic body (22); and a coil (40) which is disposed in a surface portion of the third magnetic body (30) and is wound around the central magnetic body (21). The second magnetic body (20) has a relative magnetic permeability which is three times or more higher than that of the third magnetic body (30).
B60M 7/00 - Power lines or rails specially adapted for electrically-propelled vehicles of special types, e.g. suspension tramway, ropeway, underground railway
H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
H02J 50/70 - Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
32.
ELONGATE FERRITE SHEET AND CABLE USING SAME, AND METHOD FOR MANUFACTURING ANTENNA DEVICE USING SAME
A ferrite sheet (1) comprises a base material (10) and a ferrite sintered plate (20) provided on a surface of the base material (10), the ferrite sintered plate (20) continuously extending along the longitudinal direction of the base material (10) and having a length of 0.3 m or more in the longitudinal direction.
H01F 1/37 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles in a bonding agent
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
H01F 3/02 - Cores, yokes or armatures made from sheets
H01P 11/00 - Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
H05K 9/00 - Screening of apparatus or components against electric or magnetic fields
33.
SOLID RECOVERY MATERIAL FOR CARBON DIOXIDE AND METHOD FOR PRODUCING SAME
A solid recovery material for carbon dioxide includes from 1% by weight to 99% by weight of sodium ferrite and from 1% by weight to 99% by weight of porous material. The material has an average particle diameter of 1 mm to 10 mm, and having a specific surface area of 5 m2/g to 1500 m2/g. An axial ratio of an average major axis diameter to an average minor axis diameter of primary particles of the sodium ferrite is from 1 to 2.
B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
B01J 20/02 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material
B01J 20/04 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
B01J 20/10 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
B01J 20/20 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbonSolid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising carbon obtained by carbonising processes
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/30 - Processes for preparing, regenerating or reactivating
34.
FERRITE PARTICLE POWDER FOR ELECTROMAGNETIC WAVE ABSORPTION, METHOD FOR MANUFACTURING SAME, AND RESIN COMPOSITION USING SAID FERRITE PARTICLE POWDER FOR ELECTROMAGNETIC WAVE ABSORPTION
x(12–y)z(1–z)y1919, where A is at least one element selected from Ba, Sr, Ca and Pb, x is 0.9 to 1.1, y is 5.0 or less, z is 0.35 to 0.65. Said ferrite particle powder has a pressed density of at least 3.00 g/cm3, as well as an average particle size of 0.50 to 3.0 µm, as determined using the air permeability method (Blaine's method).
C04B 35/26 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites
H01F 1/113 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites in the form of particles in a bonding agent
[Problem] To provide an efficient method for manufacturing high-purity lithium hydroxide, the method making it possible to raise the yield rate of lithium hydroxide and to reduce the amount of byproducts generated simultaneously with removing alkali metal impurities. [Solution] A method for producing lithium hydroxide, the method being configured from steps indicated by (A) through (F) below. (A) A step for producing a lithium hydroxide aqueous solution and sulfuric acid from lithium sulfate; (B) a crystallization step for producing lithium hydroxide crystals through crystallization from the lithium hydroxide aqueous solution; (C) a solid-liquid separation step for distilling away a slurry in the crystallization step and separating out the lithium hydroxide crystals, and a cleansing step for cleansing a solid fraction; (D) a carbonation step for distilling away a crystallization mother liquid in the crystallization step and reacting the resultant substance with carbonic acid gas to obtain a slurry including a lithium-containing carbonic acid compound, and a solid-liquid separation step for separating a lithium-containing carbonic solid fraction from the slurry; (E) an acid dissolution step for producing a lithium sulfate aqueous solution from the lithium-containing solid fraction; and (F) a step for reusing the lithium sulfate obtained in the acid dissolution step as a raw material in step (A).
[Technical Problem]The present invention provides an efficient producing?method of high-purity lithium hydroxide, capable of increasing the yield of lithium hydroxide, removing alkali metal impurities, and reducing the amount of by-products generated.[Solution to Problem]A process for producing lithium hydroxide from lithium sulfate as a starting material containing at least one of sodium and potassium as impurities, which process comprises the following steps of (A) to (F):(A) a production step of an aqueous lithium hydroxide solution and sulfuric acid by an electrochemical membrane separation method using lithium sulfate as a raw material;(B) a crystallization step producing a lithium hydroxide crystal by crystallization using the obtained aqueous lithium hydroxide solution in the above electrochemical membrane separation step as a raw material;(C) a solid-liquid separation step in which a portion of slurry in the above crystallization step is discharged and is subjected to solid-liquid separation to separate a lithium hydroxide crystal and crystallization mother liquor, and thereafter a washing step to clean the separated solid content;(D) a carbonation step obtaining a slurry comprising a lithium-containing carbonate compound as a solid content by discharging a portion of crystallization mother liquor in said crystallization step and reacting said discharged crystallization mother liquor with carbon dioxide gas, and a solid-liquid separation step separating said slurry into a lithium-containing solid content and a liquid content;(E) an acid dissolution step producing a lithium sulfate aqueous solution by reacting said lithium-containing solid content with sulfuric acid;(F) a mixing step reusing the lithium sulfate aqueous solution obtained by said acid dissolution step as the raw material of said step of (A).[Selected Figure] Fig. 1
One aspect of the present disclosure can provide a resin composition for bonded magnets, which exhibits excellent physical properties such as heat resistance, thermal shock resistance, bending strength and IZOD impact strength without being deteriorated in magnetic properties. This resin composition for bonded magnets comprises at least a magnetic powder, a PPS resin and a thermoplastic vinylidene fluoride-based resin, in which the Mooney viscosity of the thermoplastic vinylidene fluoride-based resin at 121°C is 50 or more.
H01F 1/113 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites in the form of particles in a bonding agent
H01F 1/053 - Alloys characterised by their composition containing rare earth metals
38.
PRODUCTION METHOD FOR ANISOTROPIC Nd-Fe-B MAGNETIC POWDER
Provided is a production method for a fine-particle anisotropic Nd-Fe-B magnetic powder that has excellent magnetic characteristics. According to the present invention, a production method for an anisotropic Nd-Fe-B magnetic powder involves performing a hydrogen embrittlement treatment that includes a hydrogen absorption step and a dehydrogenation step on an Nd-Fe-B hot-worked magnet. The production method is characterized in that the dehydrogenation step is performed at a temperature of at least 150°C but less than 500°C.
H01F 1/057 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
C22C 33/02 - Making ferrous alloys by powder metallurgy
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
39.
POWDER AND DISPERSION OF FINE STRONTIUM TITANATE PARTICLES, AND RESIN COMPOSITION
The present invention relates to a powder composed of fine spherical strontium titanate particles, characterized by having an average primary-particle diameter of 50 nm or smaller, a roundness of 0.8 or greater, and a lattice constant of 3.925 Å or less. This finely particulate strontium titanate powder has high crystallinity, contains little water, and has a satisfactory particle size distribution. Composite films containing the particles evenly distributed therein can hence be provided without suffering any resin-film deterioration.
One embodiment of the present invention provides a resin composition for bonded magnets, the resin composition achieving excellent physical characteristics such as heat resistance, bending strength and IZOD impact strength without deteriorating magnetic characteristics, while being reduced in the generation of a corrosive gas. The present invention provides: a resin composition for bonded magnets, the resin composition containing a magnetic powder, a PPS resin and a hydrotalcite powder, with the content of the hydrotalcite powder being 0.1% to 25.0% by weight relative to the PPS resin; and a molded body of this resin composition for bonded magnets.
H01F 1/113 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites in the form of particles in a bonding agent
H01F 1/053 - Alloys characterised by their composition containing rare earth metals
H01F 1/08 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
41.
Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product using the same
3 and a degree of compaction of not less than 65%, a resin composition for bonded magnets using the ferrite particles, and a molded product obtained by using the ferrite particles and the resin composition.
H01F 1/11 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
C04B 35/626 - Preparing or treating the powders individually or as batches
H01F 1/03 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity
H01F 1/113 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites in the form of particles in a bonding agent
C04B 35/26 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites
This ferrite sheet (1) comprises a base material (10), a ferrite sintered plate (30) provided to a surface of the base material (10) with an adhesive layer (20) interposed therebetween, and a protective layer (40) provided to the surface of the ferrite sintered plate (30). The protective layer (40) is provided with at least one groove (50) that extends at least to the ferrite sintered plate (30) but does not extend to the surface of the base material (10) that is not in contact with the adhesive layer (20).
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
H02J 50/10 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
H02J 50/70 - Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
43.
STRONTIUM TITANATE FINE-PARTICLE POWDER AND METHOD FOR PRODUCING SAME, DISPERSION, AND RESIN COMPOSITION
The present invention pertains to a spherical strontium titanate fine-particle powder characterized in that primary particles thereof have an average primary particle size of 50 nm or less, and the ratio of the average primary particle size and a BET-converted particle size derived from a BET specific surface area by using a relational formula: 6000/(BET×5.13) is in the range of 0.85-1.25.
The sodium ferrite particle powder according to the present invention is characterized in that at least one metal or more selected from the metal group consisting of silicon, aluminum, titanium, manganese, cobalt, nickel, magnesium, copper and zinc is contained in an amount of 0.05 to 20% by weight in terms of the oxide, and the molar ratio of Na/Fe is 0.75 to 1.25.
B01J 20/06 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group
The present invention is to provide a process for removing magnesium contained as an impurity from nickel sulfate and producing high-purity nickel sulfate.The process for producing an aqueous nickel sulfate solution from which magnesium is removed from nickel sulfate, comprises the following steps (1) to (3):(1) a carbonation step obtaining a slurry comprising nickel carbonate as a solid content by mixing a nickel sulfate aqueous solution and lithium carbonate,(2) a solid-liquid separation step of separating the slurry obtained in the carbonation step into a solid content and liquid component, and(3) a dissolution step dissolving the solid content obtained in said solid-liquid separation step with a solution containing sulfuric acid.[Selected figure] Fig. 1
The present invention is to provide a means for efficiently and economically separating and recovering transition metals including nickel and cobalt, and lithium from an aqueous sulfate solution comprising the transition metal and lithium as major components.The present invention is a process for producing lithium sulfate comprising:- a step of concentration-crystallization to an aqueous solution comprising at least lithium sulfate and a transition metal sulfate as main components so as to obtain a slurry comprising lithium sulfate as a solid content, and- a step of solid-liquid separation of the slurry obtained in the step of concentration-crystallization so as to separate lithium crystals and a crystallization mother liquor.[Selected figure] Fig. 4
Provided is a means for efficiently and economically separating and collecting a transition metal such as nickel or cobalt and lithium from an aqueous sulfate solution that contains the transition metal and lithium as major components. The present invention pertains to a method for producing lithium sulfate, said method being characterized by comprising a step for, from an aqueous solution that contains at least lithium sulfate and a transition metal sulfate as main components, obtaining a slurry containing lithium sulfate as a solid component by concentration and crystallization, and then subjecting the slurry obtained in the concentration crystallization step to solid/liquid separation to separate the slurry into lithium sulfate crystals and the crystallization mother liquor.
Provided are: a method for removing magnesium, contained as an impurity, from nickel sulfate; and a method for manufacturing high-purity nickel sulfate. The present invention is a manufacturing method characterized by comprising, as steps for manufacturing an aqueous solution of nickel sulfate in which magnesium has been removed from the nickel sulfate, steps indicated by the following (1) through (3): (1) a carboxylation step in which an aqueous solution of nickel sulfate and lithium carbonate are blended to obtain a slurry that contains nickel carbonate as a solid component; (2) a solid/liquid separation step in which the slurry obtained in the carboxylation step is separated into a solid component and a liquid component; and (3) a dissolution step in which the solid component obtained in the foregoing step is dissolved in a solution that contains sulfuric acid.
H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
G06K 19/077 - Constructional details, e.g. mounting of circuits in the carrier
H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
The present invention is a solid material for recovering carbon dioxide, which comprises 50% by weight to 99% by weight of sodium ferrite and 1% by weight to 50% by weight of an organic or inorganic binder, in which the average particle diameter is 1 mm to 10 mm, the specific surface area is 1 m2/g to 50 m2/g, and the axis ratio of the average major axis length of primary particles of the sodium ferrite to the average minor axis length of the primary particles is 1 to 2.
B01J 20/06 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group
B01D 53/82 - Solid phase processes with stationary reactants
B01D 53/92 - Chemical or biological purification of waste gases of engine exhaust gases
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/30 - Processes for preparing, regenerating or reactivating
The purpose of the present invention is to provide a negative electrode material for a lithium-ion secondary battery or the like, the negative electrode material having an improved capacity retention rate. Provided are silicon-containing amorphous carbon particles consisting of easily graphitized amorphous carbon containing particles of a silicon oxide represented by SiOx (0
[Problem] To provide soft magnetic metal powder which comprises fine particles which can be used to produce a high-density powder compact, and from which not only a powder magnetic core having excellent magnetic characteristics can be produced because of a small content of boron used for reduction of saturation magnetization, but also a thin film having excellent surface smoothness can be formed because the powder is an aggregation of fine particles having a narrow particle size distribution. [Solution] Soft magnetic metal powder having an average particle diameter of 0.05 µm to 1.5 µm, a change coefficient of 0.25 or less as expressed by the (Expression) given below, and a boron content of less than 5.0 Wt% (provided that 0 is excluded). (Expression): Standard deviation of particle diameter/average particle diameter
B22F 9/24 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
H01F 1/20 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
H01F 1/33 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials mixtures of metallic and non-metallic particlesMagnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metallic particles having oxide skin
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 1/16 - Metallic particles coated with a non-metal
53.
FERRITE SHEET STRIP, AND ANTENNA DEVICE AND CABLE USING FERRITE SHEET STRIP
A ferrite sheet strip 1 comprises: a strip-shaped substrate 10; and a plurality of ferrite sheet pieces 20 disposed on a surface of the substrate 10. The plurality of ferrite sheet pieces 20 are arranged, with a gap 30 therebetween, in the longitudinal direction of the substrate 10. The gap 30 extends such that the gap is at least partially not parallel to the lateral direction of the substrate 10.
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
H05K 9/00 - Screening of apparatus or components against electric or magnetic fields
54.
SOLID RECOVERY MATERIAL FOR CARBON DIOXIDE AND METHOD FOR PRODUCING SAME
A solid recovery material for carbon dioxide according to the present disclosure contains from 1% by weight to 99% by weight of sodium ferrite and from 1% by weight to 99% by weight of a porous material. With respect to this solid recovery material for carbon dioxide, the average particle diameter is from 1 mm to 10 mm; the specific surface area is from 5 m2/g to 1,500 m2/g; and the ratio of the average major axis length to the average minor axis length of primary particles of the sodium ferrite is from 1 to 2.
B01J 20/06 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group
B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/30 - Processes for preparing, regenerating or reactivating
An object of the present invention is to enhance a coercive force of magnetic particles by promoting formation of a continuous R-rich grain boundary phase in a crystal grain boundary of a magnetic phase of the particles, and to thereby obtain R-T-B-based rare earth magnet particles further having a high residual magnetic flux density. The present invention relates to production of R-T-B-based rare earth magnet particles capable of exhibiting a high coercive force even when a content of Al therein is reduced, and a high residual magnetic flux density, in which formation of an R-rich grain boundary phase therein can be promoted by heat-treating Al-containing R-T-B-based rare earth magnet particles obtained by HDDR treatment in vacuum or in an Ar atmosphere at a temperature of not lower than 670° C. and not higher than 820° C. for a period of not less than 30 min and not more than 300 min.
H01F 1/057 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
B22F 9/04 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling
C22C 38/06 - Ferrous alloys, e.g. steel alloys containing aluminium
C22C 33/02 - Making ferrous alloys by powder metallurgy
The present invention provides R-T-B-based rare earth magnet particles comprising no expensive rare resources such as Dy and having an excellent coercive force which can be produced by HDDR treatment without any additional steps. The present invention relates to R-T-B-based rare earth magnet particles comprising crystal grains comprising a magnetic phase of R2T14B, and a grain boundary phase, in which the grain boundary phase has a composition comprising R in an amount of not less than 13.5 atom % and not more than 35.0 atom % and Al in an amount of not less than 1.0 atom % and not more than 7.0 atom %. The R-T-B-based rare earth magnet particles can be obtained by controlling heat treatment conditions in the DR step of the HDDR treatment in the course of subjecting a raw material alloy to the HDDR treatment.
H01F 1/057 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
C22C 38/14 - Ferrous alloys, e.g. steel alloys containing titanium or zirconium
C22C 38/10 - Ferrous alloys, e.g. steel alloys containing cobalt
C22C 38/06 - Ferrous alloys, e.g. steel alloys containing aluminium
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
57.
ANILINE BLACK PARTICLE POWDER, AND RESIN COMPOSITION AND AQUEOUS DISPERSION, EACH USING SAID ANILINE BLACK PARTICLE POWDER
The present invention addresses the technological problem of providing: an aniline black particle powder which has an excellent degree of blackness, while being suppressed in thickening or gelation with time if formed into an aqueous dispersion; a polyurethane resin composition which contains this aniline black particle powder and has an excellent degree of blackness; and an aqueous dispersion which contains this aniline black particle powder and is suppressed in thickening or gelation with time. An aniline black particle powder which is obtained by coating an alkali-soluble resin, and which is characterized in that: the alkali-soluble resin has an acid value of from 150 to 350 mgKOH/g; and the coating amount of the alkali-soluble resin is from 3 to 15% by weight.
A sodium ferrite particle powder according to the present invention is characterized by containing 0.05-20 wt% of at least one kind of metal selected from the metal group consisting of silicon, aluminum, titanium, manganese, cobalt, nickel, magnesium, copper, and zinc in terms of oxides, and having a molar ratio of Na/Fe of 0.75-1.25.
B01J 20/06 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group
B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
B01J 20/30 - Processes for preparing, regenerating or reactivating
59.
MODULE SUBSTRATE ANTENNA AND MODULE SUBSTRATE USING SAME
A module substrate antenna (1) is provided with a first coil (7) and a second coil (8) which are connected in parallel. The first coil (7) is composed of a pattern in which a first antenna coil pattern (3a) and a second antenna coil pattern (5a), which are spirally shaped, are connected in series by interlayer connection. The second coil (8) is composed of a pattern in which a third antenna coil pattern (4a) and a fourth antenna coil pattern (6a), which are spirally shaped, are connected in series by interlayer connection. The coil patterns are arranged in the order of the first antenna coil pattern (3a), the third antenna coil pattern (4a), the second antenna coil pattern (5a), and the fourth antenna coil pattern (6a).
H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
A method for producing hydrotalcite particles includes dissolving aluminum hydroxide in an alkaline solution to prepare an aluminate solution, causing a reaction of the aluminate solution prepared in the first step with carbon dioxide to precipitate a low-crystallinity aluminum compound, causing a first-order reaction by mixing the low-crystallinity aluminum compound with a magnesium compound to prepare a reactant containing hydrotalcite nuclear particles, and causing a hydrothermal reaction of the reactant to synthesize hydrotalcite particles. The hydrotalcite particles can impart excellent heat resistance, transparency, flowability, and are useful as a resin stabilizer.
In reactions conducted by allowing catalyst particles to flow inside a furnace, the present invention makes it possible to reduce deposition of the catalyst particles inside the furnace and to improve the production efficiency of desired products. Provided are catalyst particles used in applications in which the same are allowed to flow inside a furnace while being heated, wherein the angle of collapse is not more than 30°.
C01B 3/30 - Production of hydrogen or of gaseous mixtures containing hydrogen by decomposition of gaseous or liquid organic compounds of hydrocarbons using moving solid particles using the fluidised bed technique
SECURITAG ASSEMBLY GROUP CO., LTD. (Taiwan, Province of China)
Inventor
Koujima, Jun
Chang, Mark
Kouno, Yoshiteru
Yan, Peter
65.
Lithium nickelate-based positive electrode active substance particles and process for producing the same, and non-aqueous electrolyte secondary battery
3 in the positive electrode active substance particles is not more than 0.65% by weight, and a weight ratio of the content of lithium carbonate to the content of lithium hydroxide is not less than 1.
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
C23C 16/455 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into the reaction chamber or for modifying gas flows in the reaction chamber
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
The present invention provides positive electrode active substance particles comprising a lithium nickelate composite oxide which have a high energy density and which are excellent in repeated charge/discharge cycle characteristics upon charging at a high voltage when used in a secondary battery, as well as a non-aqueous electrolyte secondary battery. The present invention relates to positive electrode active substance particles each comprising: a core particle X comprising a lithium nickelate composite oxide having a layer structure which is represented by the formula of Li1+aNi1−b−cCobMcO2 wherein M is at least one element selected from the group consisting of Mn, Al, B, Mg, Ti, Sn, Zn and Zr; a is a number of −0.1 to 0.2 (−0.1·a·0.2); b is a number of 0.05 to 0.5 (0.05·b·0.5); and c is a number of 0.01 to 0.4 (0.01·c·0.4); and a coating compound Y comprising at least one element selected from the group consisting of Al, Mg, Zr, Ti and Si, in which the coating compound Y has an average film thickness of 0.2 to 5 nm, a degree of crystallinity of 50 to 95%, a degree of epitaxy of 50 to 95% and a coating ratio (coverage) of 50 to 95%.
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
Positive electrode active material particle powder for non-aqueous electrolyte secondary battery, method for producing same, and non-aqueous electrolyte secondary battery
Positive electrode active material particle powder includes lithium manganese oxide particle powder having Li and Mn as main components and a cubic spinel structure with an Fd-3m space group. The lithium manganese oxide particle powder is composed of secondary particles, which are aggregates of primary particles, an average particle diameter (D50) of the secondary particles being from 4 μm to 20 μm, and at least 80% of the primary particles exposed on surfaces of the secondary particles each have a polyhedral shape in which each (111) plane thereof is adjacent to at least one (100) plane thereof.
H01M 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
C01G 45/12 - Complex oxides containing manganese and at least one other metal element
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 4/02 - Electrodes composed of, or comprising, active material
68.
Processes for preparing positive electrode active substance for non-aqueous electrolyte secondary batteries
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
C01G 45/12 - Complex oxides containing manganese and at least one other metal element
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
G06K 19/077 - Constructional details, e.g. mounting of circuits in the carrier
H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
71.
Positive electrode active material particle powder for non-aqueous electrolyte secondary battery, method for manufacturing same, and non-aqueous electrolyte secondary battery
Positive electrode active material particle powder includes: lithium manganese oxide particle powder having Li and Mn as main components and a cubic spinel structure with an Fd-3m space group. The lithium manganese oxide particle powder is composed of secondary particles, which are aggregates of primary particles, an average particle diameter (D50) of the secondary particles being from 4 μm to 20 μm, and at least 80% of the primary particles exposed on surfaces of the secondary particles each have a polyhedral shape having at least one plane that is adjacent to two planes.
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
C01G 45/12 - Complex oxides containing manganese and at least one other metal element
H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
This rotary kiln is provided with: a barrel 10 that accommodates an object to be processed and can rotate around an axis; a heating means 11 for heating the object; and a supply means 12 for supplying the object into the barrel from an inlet provided on one end side of the barrel. A plurality of helical parts 20, standing from the inner circumferential surface of the barrel to a height lower than the inner radius and extending in a spiral shape in an axial direction of the barrel, are disposed at intervals inside the barrel, and flight plates 21 that are for stirring the object and stand from the inner circumferential surface of the barrel are disposed between the plurality of helical parts. The helical parts extend in a spiral shape in the direction in which the object flows toward the inlet due to forward rotation of the barrel, and a spiral path formed by the helical parts extending in the spiral shape is configured to be open rather than closed from one end to the other end thereof.
F27B 7/16 - Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge the means being fixed relatively to the drum
C01B 3/26 - Production of hydrogen or of gaseous mixtures containing hydrogen by decomposition of gaseous or liquid organic compounds of hydrocarbons using catalysts
SECURITAG ASSEMBLY GROUP CO., LTD. (Taiwan, Province of China)
Inventor
Koujima, Jun
Chang, Mark
Kouno, Yoshiteru
Yan, Peter
Abstract
A module substrate antenna includes: a laminate in which a plurality of ferrite layers are stacked; antennal coils provided on surfaces of the respective ferrite layers; a connection pad connected to an external circuit; and a lead wire provided between the laminate and the connection pad. In the laminate, the antenna coils are two types of the antenna coils, and the two types of the antenna coils are alternately stacked.
H05K 1/16 - Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
H05K 1/18 - Printed circuits structurally associated with non-printed electric components
H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
74.
NI-ZN-CU-BASED FERRITE POWDER, SINTERED BODY, AND FERRITE SHEET
The purpose of the present invention is to provide a Ni-Zn-Cu-based ferrite powder that can be sintered at a low temperature of, for example, 860°233, 5-25 mol% of NiO, 15-40 mol% of ZnO, 5-15 mol% of CuO, and 0-3 mol% of CoO, the Ni-Zn-Cu ferrite powder having a crystallite size of 180 nm or less; and a sintered body or a ferrite sheet using said Ni-Zn-Cu-based ferrite powder.
C04B 35/30 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites with nickel oxide as the principal oxide with zinc oxide
H01F 1/36 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
1+a1-b-cbc22 (M represents at least one element among Mn, Al, B, Mg, Ti, Sn, Zn, and Zr, and -0.1 ≤ a ≤ 0.2, 0.05 ≤ b ≤ 0.5, and 0.01 ≤ c ≤ 0.4 are satisfied) having a layered structure; and a coating compound Y having an average thickness of 0.2-5 nm and containing at least one element among Al, Mg, Zr, Ti, and Si, the positive electrode active material particle powder being characterized in that a crystal phase containing Ni2+ ions and having a layered rock-salt structure is present as a layer between the coating compound Y and the core particles X.
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
233, NiO, ZnO, CuO, and CoO in a predetermined compositional ratio with the molar ratio (Ni/Zn) of the contained Ni and Zn being 3.8 to 5.8, wherein constituent phases of the ferrite powder are spinel ferrite and NiO, and μQ product at 60 MHz is 3500 or more.
C04B 35/30 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites with nickel oxide as the principal oxide with zinc oxide
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
H01F 1/36 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
77.
HYDROTALCITE PARTICLES, PRODUCTION METHOD FOR HYDROTALCITE PARTICLES, RESIN STABILIZER COMPRISING HYDROTALCITE PARTICLES, AND RESIN COMPOSITION COMPRISING HYDROTALCITE PARTICLES
A production method that includes: a first step for dissolving aluminum hydroxide in an alkaline solution and preparing an aluminate solution; a second step for reacting the aluminate solution obtained in the first step with carbon dioxide and precipitating a low-crystallinity aluminum compound; a third step for mixing the low-crystallinity aluminum compound obtained in the second step with a magnesium compound to perform a first-order reaction and preparing a reactant that includes hydrotalcite core particles; and a fourth step for performing a hydrothermal reaction on the reactant obtained in the third step and synthesizing hydrotalcite particles. The production method makes it possible to obtain hydrotalcite particles that: can impart excellent heat resistance, transparency, fluidity, or the like; and can be used as a resin stabilizer or the like.
1+a1-b-cbc22 wherein M is at least one element selected from the group consisting of Mn, Al, B, Mg, Ti, Sn, Zn and Zr; a is a number of -0.1 to 0.2 (-0.1 ≤ a ≤ 0.2); b is a number of 0.05 to 0.5 (0.05 ≤ b ≤ 0.5); and c is a number of 0.01 to 0.4 (0.01 ≤ c ≤ 0.4); and a coating compound Y comprising at least one element selected from the group consisting of Al, Mg, Zr, Ti and Si, in which the coating compound Y has an average film thickness of 0.2 to 5 nm, a degree of crystallinity of 50 to 95%, a degree of epitaxy of 50 to 95% and a coating ratio (coverage) of 50 to 95%.
Manganese/nickel composite oxide particles and process for producing the manganese nickel composite oxide particles, positive electrode active substance particles for non-aqueous electrolyte secondary batteries and process for producing the positive electrode active substance particles, and non-aqueous electrolyte secondary battery
wherein x, y, z fall within the range of −0.05·x·0.15, 0.4·y·0.6 and 0·z·0.20, respectively; and M is at least one element selected from the group consisting of Mg, Al, Si, Ca, Ti, Co, Zn, Sb, Ba, W and Bi.
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
C30B 1/10 - Single-crystal growth directly from the solid state by solid state reactions or multi-phase diffusion
C01G 45/12 - Complex oxides containing manganese and at least one other metal element
The present invention pertains to an electronic component and an antenna used for communicating information by using magnetic-field components, said antenna being one that simultaneously satisfies requirements for downsizing and improvement in communication sensitivity. The electronic component according to the present invention comprises a ferrite core and a coil, wherein: the ferrite constituting the ferrite core has a spinel structure and contains Fe, Ni, Zn, Cu, and Co as constituent metal elements; when the constituent metal elements are expressed as Fe2O3, NiO, ZnO, CuO, and CoO, respectively, the ferrite comprises 46-50 mol% of Fe2O3, 20-27 mol% of NiO, 15-22 mol% of ZnO, 9-11 mol% of CuO, and 0.01-1.0 mol% of CoO with respect to the sum total of Fe2O3, NiO, ZnO, CuO, and CoO.
H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
C04B 35/30 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites with nickel oxide as the principal oxide with zinc oxide
G06K 19/077 - Constructional details, e.g. mounting of circuits in the carrier
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
In accordance with the present invention, there is provided a noise suppression sheet that is capable of absorbing noise at a wide frequency range of from 10 MHz to 1 GHz. The present invention relates to a ferrite laminate formed by laminating a conductive layer comprising a conductive filler and a resin and a magnetic layer comprising ferrite; the conductive layer has a surface electrical resistance of of 100 to 5000 Ω/□; the ferrite is partitioned into small parts; and a real part of a magnetic permeability of the ferrite as measured at 10 MHz is 130 to 480, and an imaginary part of of the magnetic permeability of the ferrite as measured at 10 MHz is 30 to 440.
H05K 9/00 - Screening of apparatus or components against electric or magnetic fields
B32B 7/02 - Physical, chemical or physicochemical properties
H01F 1/36 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
82.
Positive electrode active material particle powder for non-aqueous electrolyte secondary battery, method for producing same, and non-aqueous electrolyte secondary battery
Positive electrode active material particle powder includes lithium manganese oxide particle powder having Li and Mn as main components and a cubic spinel structure with an Fd-3m space group. The lithium manganese oxide particle powder is composed of secondary particles, which are aggregates of primary particles, an average particle diameter (D50) of the secondary particles being from 4 μm to 20 μm, and at least 80% of the primary particles exposed on surfaces of the secondary particles each have a polyhedral shape in which each (111) plane thereof is adjacent to at least one (100) plane thereof.
An antenna device (20) is provided with: a main antenna (30) in which an antenna portion (31) comprising a conductor is formed on a magnetic body (33); and a booster antenna (40) in which a plurality of loop antenna portions (41a, 41b) are formed on the same surface of a non-magnetic body (43) disposed on a surface of the magnetic body (33). The plurality of loop antenna portions (41a, 41b) are disposed in such a way as to partially overlap the antenna portion (31) of the main antenna (30), and the plurality of loop antenna portions (41a, 41b) are connected in parallel with one another and are wound in the same direction as one another.
H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
G06K 19/077 - Constructional details, e.g. mounting of circuits in the carrier
84.
Positive electrode active material particle powder for non-aqueous electrolyte secondary battery, method for manufacturing same, and non-aqueous electrolyte secondary battery
Positive electrode active material particle powder includes: lithium manganese oxide particle powder having Li and Mn as main components and a cubic spinel structure with an Fd-3m space group. The lithium manganese oxide particle powder is composed of secondary particles, which are aggregates of primary particles, an average particle diameter (D50 ) of the secondary particles being from 4 μm to 20 μm, and at least 80% of the primary particles exposed on surfaces of the secondary particles each have a polyhedral shape having at least one (110) plane that is adjacent to two (111) planes.
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
C01G 45/12 - Complex oxides containing manganese and at least one other metal element
H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
The present invention relates to carbon nanotubes that are excellent in dispersibility and a process for producing the carbon nanotubes. The carbon nanotubes according to the present invention each comprise a wall that comprises a parallel portion and a narrowed portion having a tube outer diameter that is not more than 90% of a tube outer diameter of the parallel portion. Thus, the carbon nanotubes are readily dispersible owing to a high abundance ratio of easily-breaking portions.
The present invention relates to a friction material used mainly for resin type brake pads formed by resin molding, and provides an iron oxide particle powder for friction materials, the iron oxide particle powder having excellent abrasive properties, good outgassing performance, excellent mechanical strength such that improved dispersion in resin can be expected, and a large specific surface area. The iron oxide particle powder for friction materials is characterized in that a magnetite crystal phase is a major component, primary particles have a needle-like shape, agglomerated particles have an average particle size of 10 to 150 μm, and in that the iron oxide particle powder includes 0.01 to 2.0 wt% of a heterogeneous element.
The object of the present invention relates to ferrite particles for bonded magnets and a resin composition for bonded magnets which is capable of obtaining a bonded magnet molded product having a good magnetic force and a magnetic waveform as well as high iHc and Hk by injection molding. The present invention aims at providing a bonded magnet molded product using the ferrite particles and the resin composition. The aforementioned object of the present invention can be achieved by ferrite particles for bonded magnets which have a crystal distortion of not more than 0.14 as measured by XRD, and an average particle diameter of not less than 1.30 μm as measured by Fisher method; a resin composition for bonded magnets; and a molded product obtained by injection-molding the resin composition.
H01F 1/113 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites in the form of particles in a bonding agent
H01F 1/11 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
C08K 3/01 - Use of inorganic substances as compounding ingredients characterised by their specific function
The purpose of the present invention is to provide a heterogeneous-system catalyst structure that can be industrially produced, has a high catalytic activity, and is formed from magnesium and aluminum, which have particularly good mechanical strength and oxidation resistance. A 1 to 30 mm heterogeneous-system catalyst structure having a precise internal structure containing magnesium and aluminum, in which an Mg/Al atomic ratio is 0.7 to 10, a BET specific surface area is 10 to 100 m2/g, an average crushing strength is 30 N or more, and catalytically active metal particles with a primary particle size of 0.5 to 20 nm are fixed in a range of 5 to 200 µm from a carrier surface.
B01J 23/89 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with noble metals
B01J 35/10 - Solids characterised by their surface properties or porosity
89.
Lithium nickelate-based positive electrode active substance particles and process for producing the same, and non-aqueous electrolyte secondary battery
3 in the positive electrode active substance particles is not more than 0.65% by weight, and a weight ratio of the content of lithium carbonate to the content of lithium hydroxide is not less than 1.
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
C23C 16/455 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into the reaction chamber or for modifying gas flows in the reaction chamber
Provided is a Mn-Bi-based magnetic powder which has a Sn-containing hexagonal crystal Mn-Bi-based magnetic phase and in which the content of Sn relative to the total content of Mn, Bi and Sn is 0.2-5 at.%. Also provided is a bond magnet containing a kneaded mixture of this Mn-Bi-based magnetic powder and a resin binder. Also provided is a Mn-Bi-based metal magnet which contains a Sn-containing hexagonal crystal Mn-Bi-based magnetic phase and in which the content of Sn relative to the total content of Mn, Bi and Sn is 0.2-5 at.%.
H01F 1/06 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
H01F 1/08 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
91.
Magnetic antenna, and RF tag and board mounted with the RF tag
0 of the magnetic antenna satisfies the specific relational formula. The RF tag of the present invention is used as a magnetic antenna for information communication using a magnetic field component which is capable of satisfying both reduction in size and improvement in communication sensitivity.
G06K 19/06 - Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
92.
IRON OXIDE-CARBON COMPOSITE PARTICLE POWDER AND METHOD FOR PRODUCING SAME
The present invention provides an iron oxide-carbon composite particle powder in which electroconductivity and mechanical strength are imparted to an iron oxide particle powder, and a method for producing the iron oxide-carbon composite particle powde. An iron oxide-carbon composite particle powder including at least one type of iron oxide particle powder represented by FeOx(0ឬx≤1.6), wherein the iron oxide content is 25-96% by weight, part of the carbon comprises carbon nanotubes, and the α-Fe content is 3% by weight or less, the iron oxide-carbon composite particle powder being obtainable via a step for causing carbon nanotubes to form a composite with the iron compound particle powder that serves as the matrix through heat treatment.
12·cm and a thickness of 10 to 60 μm; and a ferrite sintered sheet comprising the ferrite sintered plate on a surface of which a groove or grooves are formed, and an adhesive layer and/or a protective layer formed on the ferrite sintered plate, in which the ferrite sintered sheet has a magnetic permeability at 500 kHz a real part of which is 120 to 800 and an imaginary part of which is 0 to 30, and a product (μm) of the real part of the magnetic permeability at 500 kHz of the ferrite sintered sheet and a thickness of the ferrite sintered plate is 5000 to 48000. The ferrite sintered plate and the ferrite sintered sheet according to the present invention have a high volume resistivity as well as a large μ′ value and a small μ″ value of a magnetic permeability thereof, and therefore can be suitably used as a shielding plate in a digitizer system.
H05K 9/00 - Screening of apparatus or components against electric or magnetic fields
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
C04B 35/26 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites
A magnetic antenna 10 that is provided with: a magnetic core 12 that has a rectangular parallelepiped shape; and a first coil conductor 14 and a second coil conductor 15 that are wound around the magnetic core 12 so as to be arranged alternately side by side. The winding axis of the first coil conductor 14 and the second coil conductor 15 is orthogonal to the long direction of the magnetic core 12. The first coil conductor 14 and the second coil conductor 15 are connected in parallel.
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
A magnetic antenna 10 that is provided with: a magnetic core 12 that is configured from a Ni-Zn-Cu-based ferrite sintered body and that has a rectangular parallelepiped shape; and a coil conductor 14 that is wound around the magnetic core 12. The winding axis of the coil conductor 14 is orthogonal to the long direction of the magnetic core 12. The real part of the magnetic permeability of the Ni-Zn-Cu-based ferrite sintered body at 13.56 MHz is 30 or more and the imaginary part is less than 1.
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
y, wherein M1 denotes at least one element from the group consisting of Fe, Co, Mg, Zn, Cu and/or mixtures thereof, M2 denotes at least one element from the group consisting of Mn, Al, B, Ca, Cr and/or mixtures thereof, wherein b≤0.8, c≤0.5, d≤0.5, and x is a number between 0.1 and 0.8, y is a number between 1.2 and 1.9, and x+y=2. A process for the preparation thereof, and the use thereof as a precursor for the preparation of cathode material for secondary lithium batteries are described.
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
The present invention provides a noise suppression sheet which absorbs noise over a wide frequency range from 10MHz to 1GHz. Provided is a ferrite laminate formed by laminating a conductive layer comprising a conductive filler and a resin, and a magnetic layer comprising a ferrite, wherein the surface electrical resistance of the conductive layer is 100-5,000Ω/□, the ferrite is divided into small pieces, and the real and imaginary parts of the magnetic permeability of the ferrite at 10MHz are 130-480 and 30-440, respectively.
H05K 9/00 - Screening of apparatus or components against electric or magnetic fields
B32B 7/02 - Physical, chemical or physicochemical properties
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
98.
Positive electrode mixture and non-aqueous electrolyte secondary battery
3, a crystallite size of 10 to 40 Å, an iodine adsorption of 1 to 150 mg/g, a volatile content of not more than 0.1% and a metal impurity content of not more than 20 ppm, and a positive electrode active substance having an operating voltage or an initial crystal phase transition voltage of not less than 4.5 V on the basis of lithium.
H01M 4/36 - Selection of substances as active materials, active masses, active liquids
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
The present invention provides a friction-material filler that has excellent abradability and in which enhanced dispersibility in resins is expected. The friction-material filler is characterized in that magnetite is contained as the main component and that the average particle size ranges from 10 to 100 μm. The friction-material filler can be manufactured by obtaining a granulated substance having a predetermined size by using one or more components selected from magnetite particle powder, hematite particle powder, and goethite particle powder, whose average particle sizes range from 0.05 to 5.0 μm, and by firing the obtained granulated substance within a temperature range from 500 to 1200 ºC.
3; and a ferrite sintered sheet comprising the ferrite sintered plate on a surface of which a groove or grooves are formed, and an adhesive layer and/or a protective layer formed on the ferrite sintered plate.
H01F 1/10 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
C04B 35/26 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites
B32B 3/30 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids characterised by a layer formed with recesses or projections, e.g. grooved, ribbed
