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Sumitomo Metal Mining Co Ltd patents


Recent patent applications related to Sumitomo Metal Mining Co Ltd. Sumitomo Metal Mining Co Ltd is listed as an Agent/Assignee. Note: Sumitomo Metal Mining Co Ltd may have other listings under different names/spellings. We're not affiliated with Sumitomo Metal Mining Co Ltd, we're just tracking patents.

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 new patent  Method for manufacturing nickel and cobalt mixed sulfide and nickel oxide ore hydrometallurgical method

Provided is a method for manufacturing a nickel and cobalt mixed sulfide that is capable of stabilizing nickel and cobalt concentrations in the sulfidation end solution at low levels and of limiting decreases in nickel and cobalt recovery rates without increasing cost even when processing with a sulfuric acid acidic... Sumitomo Metal Mining Co Ltd

 new patent  Reactive sputtering method and producing laminate film

A reactive sputtering method for performing deposition by using a sputtering device including magnetron sputtering cathodes 17, 18, 19, and 20 in a vacuum chamber 10, and by introducing a process gas containing a reactive gas into the vacuum chamber is wherein the reactive gas includes an oxygen gas or... Sumitomo Metal Mining Co Ltd

Method for recovering scandium

According to this method for recovering scandium, an acidic solution containing scandium is used and a scandium dissolution liquid after purification is obtained by a double sulfate precipitation step, and scandium is recovered from the obtained scandium dissolution liquid, as follows: [A] A precipitation step wherein sodium sulfate is added... Sumitomo Metal Mining Co Ltd

Positive electrode active material for non-aqueous electrolyte secondary battery and process for producing same, and non-aqueous electrolyte secondary battery

Purpose of the present invention is to provide a positive electrode active material for non-aqueous electrolyte secondary battery with high heat stability, and also, capable of achieving high capacity when used as the positive electrode active material for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery using the positive... Sumitomo Metal Mining Co Ltd

Silver-coated copper powder and conductive paste, conductive material, and conductive sheet using same

Provided is a silver-coated copper powder that has a dendritic shape, that ensures excellent conductivity as a result of having an increased number of points of contact when silver-coated dendritic copper particles are in contact, prevents aggregation, and that can be suitably used in a conductive paste, and an electromagnetic... Sumitomo Metal Mining Co Ltd

Conductive substrate

A conductive substrate is provided that includes a transparent base material, a metal layer formed on at least one surface of the transparent base material, and a blackened layer formed on at least one surface of the transparent base material. The blackened layer contains elemental copper and/or a copper compound,... Sumitomo Metal Mining Co Ltd

Apparatus for processing long base material by roll-to-roll method and film forming apparatus using the same

A treatment apparatus includes two can rolls provided on a transfer path through which a long resin film is transferred in a roll-to-roll manner in a vacuum chamber; and surface treatment means facing an outer circumference of each of the can rolls to treat a surface of the long resin... Sumitomo Metal Mining Co Ltd

Cobalt powder production method

Provided is a production method for producing coarse particles of high purity Co powder from a cobalt ammine sulfate complex solution using fine Co powder and using industrially inexpensive H2 gas.... Sumitomo Metal Mining Co Ltd

Copper powder and copper paste, conductive coating material, and conductive sheet using same

Provided is a copper powder that has an increased number of points of contact between copper powder particles, that ensures excellent conductivity, and that can be suitably used in a conductive paste, an electromagnetic wave shield, or the like. The copper powder is configured from flat plate-shaped copper particles that... Sumitomo Metal Mining Co Ltd

Nickel composite hydroxide, cathode active material for non-aqueous electrolyte secondary battery, and methods for producing these

A nickel composite hydroxide having a volume-average particle size of the secondary particles of 8.0 μm to 50.0 μm is obtained, by obtaining a nickel composite hydroxide slurry in a primary crystallization process by providing an aqueous solution having at least a nickel salt and a neutralizer into a reaction... Sumitomo Metal Mining Co Ltd

Heat ray-shielding film, heat ray-shielding laminated transparent base material, heat ray-shielding resin sheet material, automobile and building

A heat ray-shielding film has excellent heat-shielding performance and a color tone, and exhibits weather resistance. A heat ray-shielding laminated transparent base material and a heat ray-shielding resin sheet material use the heat ray-shielding film. The heat ray-shielding film and the heat ray-shielding resin sheet material are expressed by a... Sumitomo Metal Mining Co Ltd

Method for producing nickel sulfide and hydrometallurgical nickel oxide ore

Provided is a method for producing nickel sulfide from an acidic sulfuric acid solution containing nickel, which is capable of suppressing particle diameters of nickel sulfide obtained thereby. The present invention is a method for producing nickel sulfide by causing a sulfurization reaction by blowing a hydrogen sulfide gas into... Sumitomo Metal Mining Co Ltd

Positive electrode active material for nonaqueous electrolyte secondary batteries, and production method thereof

A method for producing a positive electrode active material for nonaqueous electrolyte secondary batteries, includes: a mixing step of adding a W compound powder having a solubility A adjusted to 2.0 g/L or less to a Li-metal composite oxide powder and stirring in water washing of the composite oxide powder,... Sumitomo Metal Mining Co Ltd

Production hematite for iron production

Provided is a production method for refining iron oxide (hematite), which has such a low sulfur content as to be used as a raw material for ironmaking from a leach residue containing iron oxide, the leach residue being produced by a high pressure acid leach (HPAL) process and being a... Sumitomo Metal Mining Co Ltd

Ore slurry pre-treatment method and ore slurry manufacturing method

Provided is a hydrometallurgical process for nickel oxide ore effectively reducing the amount of sulfuric acid used in the leaching step and the amount of a neutralizer such as slaked lime used in the final neutralization step without reducing nickel yield. The present invention is a method for pre-treating ore... Sumitomo Metal Mining Co Ltd

Wet smelting nickel oxide ore

A wet smelting method for nickel oxide ores from which nickel, cobalt, etc. are recovered is provided with which it is possible to reduce the consumption of an acid in leaching, such as sulfuric acid, and to recover valuable metals. The method comprises: step (A) in which nickel oxide ores... Sumitomo Metal Mining Co Ltd

Sulfuric acid adding facility and operation method therefor

Provided are a sulfuric acid adding facility and an operation method therefor which enable an increase in the maximum capacity and the operation rate of a sulfuric acid supply pump provided in the sulfuric acid adding facility. In a sulfuric acid adding facility, sulfuric acid is added to an autoclave... Sumitomo Metal Mining Co Ltd

Method for smelting saprolite ore

Provided is a smelting method whereby a reaction for reducing pellets, said pellet being formed by using a saprolite ore as a starting material, can be effectively conducted and thus an iron/nickel alloy having a nickel grade of, for example, 16% or greater can be obtained. The method comprises: a... Sumitomo Metal Mining Co Ltd

Near infrared absorbing fine particle dispersion liquid and producing the same, anti-counterfeit ink composition using near infrared absorbing fine particle dispersion liquid, and anti-counterfeit printed matter using near infrared absorbing fine particles

Provided are a near infrared absorbing fine particle dispersion liquid having an absorption ability in a near infrared region, a clear contrast, and applicable to offset printing, and a method for producing the same, an anti-counterfeit ink composition using the near infrared absorbing fine particle dispersion liquid and an anti-counterfeit... Sumitomo Metal Mining Co Ltd

Method for recovering scandium

Provided is a method for recovering scandium with which scandium can be efficiently recovered as high purity scandium oxide from a scandium-containing solution containing impurities such as iron without causing problems such as increased cost and safety problems. According to the method for recovering scandium according to the present invention,... Sumitomo Metal Mining Co Ltd

Near infrared absorbing fine particle dispersion liquid and producing the same, anti-counterfeit ink composition using near infrared absorbing fine particle dispersion liquid, and anti-counterfeit printed matter using near infrared absorbing fine particles

Provided are a near infrared absorbing fine particle dispersion liquid having an absorption ability in a near infrared region, a clear contrast, and applicable to offset printing, and a method for producing the same, an anti-counterfeit ink composition using the near infrared absorbing fine particle dispersion liquid and an anti-counterfeit... Sumitomo Metal Mining Co Ltd

Near infrared absorbing fine particle dispersion liquid and producing the same, anti-counterfeit ink composition using near infrared absorbing fine particle dispersion liquid, and anti-counterfeit printed matter using near infrared absorbing fine particles

Provided are a near infrared absorbing fine particle dispersion liquid having an absorption ability in a near infrared region, a clear contrast, and applicable to offset printing, and a method for producing the same, an anti-counterfeit ink composition using the near infrared absorbing fine particle dispersion liquid and an anti-counterfeit... Sumitomo Metal Mining Co Ltd

Near-infrared absorbing fine particle dispersion liquid and producing the same

A near infrared absorbing fine particle dispersion liquid, which can be applied to offset printing, including: a solvent of one or more kinds selected from vegetable oils and vegetable oil-derived compounds; near infrared ray-absorbing fine particles of one or more kinds selected from composite tungsten oxide expressed by MxWyOz or... Sumitomo Metal Mining Co Ltd

Near-infrared absorbing fine particle dispersion liquid and producing the same

Provided is a near infrared absorbing fine particle dispersion liquid, which can be applied to offset printing, including: a solvent of one or more kinds selected from vegetable oils and vegetable oil-derived compounds; near infrared absorbing fine particles of one or more kinds selected from 10 mass % more and... Sumitomo Metal Mining Co Ltd

Near-infrared absorbing fine particle dispersion liquid and producing the same

Provided is a near infrared absorbing fine particle dispersion liquid, which can be applied to a base material such as an acrylic resin base material having a low solvent resistance, including: a solvent of one or more kinds selected from petroleum-based solvents; near infrared absorbing fine particles of one or... Sumitomo Metal Mining Co Ltd

Method for producing nickel powder

A method for producing nickel powder sequentially includes: a mixing step of adding, to a nickel ammine sulfate complex solution, an insoluble solid as seed crystals and a polyacrylate or lignosulfonate as a dispersant to form a mixed slurry; and a reduction and precipitation step of charging a reaction vessel... Sumitomo Metal Mining Co Ltd

Zirconium extractant and extracting zirconium

Provided are: an extractant which is capable of quickly and highly efficiently extracting zirconium from an acidic solution that is obtained by acid leaching a material containing zirconium and scandium such as an SOFC electrode material; and a method for extracting zirconium, which uses this extractant. A zirconium extractant according... Sumitomo Metal Mining Co Ltd

Nickel oxide micropowder and producing same

Nickel hydroxide obtained by neutralizing an aqueous nickel sulfate solution with an alkali is heat-treated in a non-reducing atmosphere at a temperature higher than 650° C. but lower than 1050° C. to form nickel oxide particles, and a sintered compact of nickel oxide particles that may be formed during the... Sumitomo Metal Mining Co Ltd

Heat-ray shielding particle dispersing liquid, heat-ray shielding particle dispersing body, heat-ray shielding laminated transparent substrate and heat-ray shielding transparent substrate

A heat-ray shielding particle dispersing liquid includes heat-ray shielding particles at least containing composite tungsten oxide particles and indium tin oxide particles, the weight ratio of the composite tungsten oxide particles and the indium tin oxide particles in the heat-ray shielding particles being within a range of “composite tungsten oxide... Sumitomo Metal Mining Co Ltd

Solder paste

A solder paste including metal powders, constituted by an alloy powder including bismuth and silver, and a tin powder, the alloy powder including bismuth and silver including silver at a ratio of greater than or equal to 0.1 wt % and less than or equal to 11.0 wt % is... Sumitomo Metal Mining Co Ltd

Coated solder wire and manufacturing same

Provided is a manufacturing method in which a coated solder wire having a dense polysiloxane coating film that is uniformly provided over the entire surface of the solder wire can be efficiently obtained in a single process. A coated solder wire is obtained by a manufacturing method that includes; a... Sumitomo Metal Mining Co Ltd

Nickel cobalt manganese composite hydroxide and process for producing same

A nickel cobalt manganese composite hydroxide with low impurity content and high reactivity when synthesizing a positive electrode active material, which can be used as a precursor of the positive electrode active material for non-aqueous electrolyte secondary batteries with low irreversible capacity, represented by a general formula: NixCoyMnzMt(OH)2+a (wherein x+y+z+t=1,... Sumitomo Metal Mining Co Ltd

Positive electrode active material for nonaqueous electrolyte secondary battery, producing same, and nonaqueous electrolyte secondary battery using said positive electrode active material

Provided is a method for producing a positive electrode active material for nonaqueous electrolyte secondary batteries, including: a water-washing step of mixing, with water, Li—Ni composite oxide particles represented by the formula: LizNi1-x-yCoxMyO2 and composed of primary particles and secondary particles formed by aggregation of the primary particles to water-wash... Sumitomo Metal Mining Co Ltd

Method for smelting nickel oxide ore

Provided is a smelting method capable of effectively promoting a reduction reaction on pellets formed using nickel oxide ore as starting material to obtain a ferronickel alloy with a high nickel grade of at least 4%. The present invention is a method for smelting nickel oxide ore wherein ferronickel alloy... Sumitomo Metal Mining Co Ltd

Oxide sintered body, sputtering target, and oxide semiconductor thin film obtained using sputtering target

Provided are an oxide sintered compact whereby low carrier density and high carrier mobility are obtained when the oxide sintered compact is used to obtain an oxide semiconductor thin film by a sputtering method, and a sputtering target which uses the oxide sintered compact. This oxide sintered compact contains oxides... Sumitomo Metal Mining Co Ltd

11/23/17 / #20170334735

Heat ray shielding particles, heat ray shielding particle dispersion liquid, heat ray shielding particle dispersion, heat ray shielding particle dispersion laminated transparent base material, infrared ray absorbing transparent base material, and producing heat ray shielding particles

Heat ray shielding particles are provided that are composite tungsten oxide particles having a hexagonal crystal structure represented by a general formula LixMyWOz, wherein the element M in the general formula is one or more kinds of elements selected from alkaline earth metals and alkali metals other than lithium, 0.25≦x≦0.80,... Sumitomo Metal Mining Co Ltd

11/23/17 / #20170338485

Nickel-cobalt-manganese complex hydroxide particles and producing same, positive electrode active material for nonaqueous electrolyte secondary battery and producing same, and nonaqueous electrolyte secondary battery

A method for producing a nickel cobalt manganese composite hydroxide by a crystallization reaction is provided. The method includes: a nucleation step of performing nucleation by controlling a pH of an aqueous solution for nucleation including metal compounds containing nickel, cobalt and manganese, and an ammonium ion donor to 12.0... Sumitomo Metal Mining Co Ltd

11/16/17 / #20170331107

Positive electrode active material for nonaqueous electrolyte secondary battery, producing same, and nonaqueous electrolyte secondary battery

Provided are a lithium-manganese-nickel composite oxide carrying an organic phosphate with a high capacity and a high cycle characteristic when used as a positive electrode active material of a secondary battery, a method for producing the same, and also a nonaqueous electrolyte secondary battery using the lithium-manganese-nickel composite oxide as... Sumitomo Metal Mining Co Ltd

11/09/17 / #20170321301

Method for recovering high-purity scandium

Provided is a method for recovering scandium, with which it is possible to easily and efficiently recover high-purity scandium from nickel oxide ores. This method for recovering scandium involves passing a solution containing scandium through an ion exchange resin, then subjecting the eluant eluted from the ion exchange resin to... Sumitomo Metal Mining Co Ltd

11/09/17 / #20170324081

Nickel manganese composite hydroxide particles and manufacturing method thereof, cathode active material for a non-aqueous electrolyte secondary battery and manufacturing method thereof, and a non-aqueous electrolyte secondary battery

Provided are nickel manganese composite hydroxide particles that are a precursor for forming cathode active material comprising lithium nickel manganese composite oxide having hollow structure of particles having a small and uniform particle size for obtaining a non-aqueous electrolyte secondary battery having high capacity, high output and good cyclability. When... Sumitomo Metal Mining Co Ltd

11/09/17 / #20170324090

Nickel-containing composite hydroxide and production process therefor, positive-electrode active material for a nonaqueous-electrolyte secondary battery and production process therefor, and nonaqueous-electrolyte secondary battery

Provided is a nickel-containing composite hydroxide that is a precursor of a positive-electrode active material with which a nonaqueous-electrolyte secondary battery having a low irreversible capacity and a high energy density can be configured. An aqueous alkaline aqueous solution and a complexing agent are added to an mixed aqueous solution... Sumitomo Metal Mining Co Ltd

11/02/17 / #20170314690

Cone valve

A cone valve of the present invention enables to extend a lifespan more than a conventional cone valve even if it is used as a check valve when feeding slurry containing highly abrasive coarse particles. A cone valve (1) used as a check valve when feeding slurry, comprising at least... Sumitomo Metal Mining Co Ltd

10/26/17 / #20170305757

Nickel composite hydroxide and process for producing same

A nickel composite hydroxide containing reduced amounts of sulfate radicals and chlorine as impurities. The nickel composite hydroxide is represented by Ni1-x-yCoxAly(OH)2+α(0.05≦x≦0.01≦y≦0.2, x+y<0.4, and 0≦α<0.5), and includes spherical secondary particles formed by aggregation of plurality of plate-shaped primary particles, secondary particles have an average particle diameter of 3-20 μm, sulfate... Sumitomo Metal Mining Co Ltd

10/26/17 / #20170306444

Method for smelting nickel oxide ore

A smelting method capable of obtaining an iron-nickel alloy having a high nickel grade of 4% or higher by effectively facilitating a reduction reaction of pellets formed using a nickel oxide ore as a raw material. The present invention is a method for smelting a nickel oxide ore, by which... Sumitomo Metal Mining Co Ltd

10/26/17 / #20170309911

Process for producing nickel cobalt aluminum composite hydroxide and process for producing positive electrode active material for non-aqueous electrolyte secondary batteries

Disclose herein are processes for producing a nickel cobalt aluminum composite hydroxide and producing a positive electrode active material for non-aqueous electrolyte secondary batteries. Nucleation is performed by controlling an aqueous solution for nucleation containing a nickel-containing metal compound, cobalt-containing metal compound, ammonium ion supplier, and aluminum source so that... Sumitomo Metal Mining Co Ltd

10/05/17 / #20170283311

Assembly of hexaboride fine particles, hexaboride fine particle dispersion, hexaboride fine particle-dispersed body, laminated transparent base material using hexaboride fine particle-dispersed body, infrared-absorptive film, and infrared-absorptive glass

There is provided new transparent near infrared absorptive fine particles having a wide range of near infrared absorption, which are an assembly of hexaboride fine particles, wherein when a particle shape of the number of particles contained in the assembly is approximately regarded as a spheroid body, there are 20%... Sumitomo Metal Mining Co Ltd

09/28/17 / #20170274453

Silver-coated copper powder, and conductive paste, conductive coating material and conductive sheet each of which uses same

Provided is a dendritic silver-coated copper powder which is capable of effectively ensuring a contact, while having excellent electrical conductivity by having the surface coated with silver. A silver-coated copper powder according to the present invention is obtained by coating the surface of a copper powder 1, which is an... Sumitomo Metal Mining Co Ltd

09/21/17 / #20170271653

Nickel composite hydroxide and process for producing same, positive electrode active material and process for producing same, and non-aqueous electrolyte secondary battery

A positive electrode active material for a non-aqueous electrolyte secondary battery achieves high output characteristics and battery capacity, and allows a high electrode density to be achieved in the case of using the material for a positive electrode of a battery; and a non-aqueous electrolyte secondary battery uses the positive... Sumitomo Metal Mining Co Ltd

09/14/17 / #20170263930

Positive electrode active material for non-aqueous electrolyte secondary batteries, production process therefor, and non-aqueous electrolyte secondary battery

A positive electrode active material for a non-aqueous electrolyte secondary battery, which enables a non-aqueous electrolyte secondary battery to achieve great battery characteristics, and a process for producing the material, as well as a non-aqueous electrolyte secondary batter. Provided is a positive electrode active material for a non-aqueous electrolyte secondary... Sumitomo Metal Mining Co Ltd

09/07/17 / #20170253750

Silver-coated copper powder, and conductive paste, conductive coating material and conductive sheet, each of which uses said silver-coated copper powder

Provided is a dendritic silver-coated copper powder which is prevented from agglomeration, while ensuring excellent electrical conductivity by increasing contact points in cases where silver-coated dendritic copper powder particles are in contact with each other. This dendritic silver-coated copper powder is suitable for use in conductive pastes, electromagnetic shielding materials... Sumitomo Metal Mining Co Ltd

08/24/17 / #20170240994

Nickel recovery process

A nickel recovery process capable of decreasing nickel remaining in a byproduct by recovering nickel from the byproduct of electrolytic nickel manufacturing process by chlorine-leaching, and also, capable of simplifying a cementation step simultaneously, is provided. In a nickel recovery step S60, a nickel recovery step S70 and a nickel... Sumitomo Metal Mining Co Ltd

08/17/17 / #20170232714

Heat ray shielding film, heat ray shielding laminated transparent base material, vehicle, and building

A heat ray shielding film is disclosed, including composite tungsten oxide particles; and an ionomer resin. The composite tungsten oxide particles are expressed by a general formula MxWOy (where M denotes one or more kinds of elements selected from Cs, Rb, K, Tl, In, Ba, Li, Ca, Sr, Fe, Sn,... Sumitomo Metal Mining Co Ltd

08/10/17 / #20170226624

Laminate film and electrode substrate film, and manufacturing the same

[Solving Means] A laminate film includes a transparent substrate 60 formed of a resin film and a layered film provided on at least one surface of the transparent substrate. The layered film includes metal absorption layers 61 and 63 as a first layer and metal layers (62, 65), (64, 66)... Sumitomo Metal Mining Co Ltd

08/03/17 / #20170221600

Electrode substrate film and manufacturing the same

[Solving Means] An electrode substrate film with a transparent substrate 52 and a metal laminate thin line includes a metal absorption layer 51 with a film thickness of 20 nm to 30 nm inclusive as a first layer, and a metal layer 50 as a second layer, counted from the... Sumitomo Metal Mining Co Ltd

08/03/17 / #20170223826

Laminate film and electrode substrate film, and manufacturing the same

[Solving Means] An electrode substrate film with a transparent substrate 52 and a metal laminate thin line includes a metal absorption layer 51 with a film thickness of 20 nm to 30 nm inclusive as a first layer, and a metal layer 50 as a second layer, counted from the... Sumitomo Metal Mining Co Ltd

07/27/17 / #20170211166

Method for producing pellets and producing iron-nickel alloy

Provided is a method for producing pellets by which, when nickel oxide ore is being pelletized and smelted to produce ferronickel, which is an iron-nickel alloy, it is possible to allow the smelting reaction to proceed effectively. A method for producing pellets according to the present invention is for producing... Sumitomo Metal Mining Co Ltd

07/20/17 / #20170204495

Method for smelting nickel oxide ore

A method for smelting nickel oxide ore according to the present invention uses pellets of nickel oxide ore and is characterized by comprising: a pellet production step S1 for producing pellets from nickel oxide ore; a reduction step S2 for heating the resulting pellets at a predetermined reduction temperature in... Sumitomo Metal Mining Co Ltd

07/20/17 / #20170204496

Method for smelting nickel oxide ore

Provided is a method for smelting nickel oxide ore by which the occurrence of cracking due to heat shock can be suppressed when nickel oxide ore is pelletized and charged into a smelting step (reduction step). A method for smelting nickel oxide ore according to the present invention uses pellets... Sumitomo Metal Mining Co Ltd

07/20/17 / #20170207453

Positive electrode active material for non-aqueous electrolyte secondary battery and producing same

Provided is a positive electrode active material that is capable of improving output characteristics when used as positive electrode material for a non-aqueous electrolyte secondary battery. A lithium mixture that is obtained by adding and mixing a lithium compound to a transition metal composite hydroxide that was obtained from a... Sumitomo Metal Mining Co Ltd

07/20/17 / #20170207454

Coated lithium-nickel composite oxide particles, and producing coated lithium-nickel composite oxide particles

Provided are excellent coated lithium-nickel composite oxide particles with which it is possible, due to the high environmental stability thereof, to minimize the incidence of impurities owing to absorption of moisture and carbon dioxide gas, said particles having high adhesiveness such that the coating layer does not easily delaminate, and... Sumitomo Metal Mining Co Ltd

07/13/17 / #20170198372

Method for smelting nickel oxide ore and charging pellets

A method for smelting a nickel oxide ore, wherein the reduction step progresses effectively while maintaining the strength of the pellets, comprises: a pellet production step S1 for producing pellets from a nickel oxide ore; and a reduction step S2 for reducing and heating the obtained pellets in a smelting... Sumitomo Metal Mining Co Ltd

07/13/17 / #20170200942

Coated lithium-nickel composite oxide particles, and producing coated lithium-nickel composite oxide particles

Provided are: superior coated lithium-nickel composite oxide particles which have an environmental stability that enables suppression of the occurrence of impurities due to absorption of moisture or carbon dioxide, which have high adhesion that prevents a coating layer from readily separating, and which have lithium ion conductivity; and a method... Sumitomo Metal Mining Co Ltd

06/22/17 / #20170175225

Scandium recovery process

The purpose of the present invention is to recover roughly purified scandium, which is purified to an extent acceptable for a technique for highly purifying scandium, efficiently and without any complicated operation from a neutralization sediment (drainage sediment) generated in neutralizing acid mine drainage which contains a sulfur component. This... Sumitomo Metal Mining Co Ltd

06/22/17 / #20170175227

Hydrometallurgical process for nickel oxide ore

Provided is a hydrometallurgical process for nickel oxide ore for recovering nickel and cobalt using a high pressure acid leach process, the process achieving simplification and durability improvement of production facilities, achieving cost reduction and suppression of environmental risk by the compression of the capacity of a tailings dam for... Sumitomo Metal Mining Co Ltd

Patent Packs
06/22/17 / #20170178774

Composition for bonded magnets, bonded magnet and integrally molded component

A composition for bonded magnets according to the present invention contains from 88% by mass to 91% by mass (inclusive) of a samarium-iron-nitrogen magnet powder having an average particle diameter of from 1.8 μm to 2.8 μm (inclusive), from 0.5% by mass to 2.5% by mass (inclusive) of a polyamide... Sumitomo Metal Mining Co Ltd

06/15/17 / #20170166995

Ion exchange resin and adsorbing and separating metal

Provided is a system for efficiently recovering trace metal from a large amount of a raw material, such as when trace metal is recovered from nickel oxide ore. This ion exchange resin has, on a carrier, an amide derivative represented by the following general formula. In the formula, R1 and... Sumitomo Metal Mining Co Ltd

06/01/17 / #20170152386

Copper powder, and copper paste, electrically conductive coating material and electrically conductive sheet each produced using said copper powder

Provided is a copper powder in which the number of contact points between copper powder particles is increased to allow excellent electric conductivity to be achieved, and which can be used suitably in use applications including an electrically conductive paste and an electromagnetic wave shield. The copper powder according to... Sumitomo Metal Mining Co Ltd

06/01/17 / #20170152584

Method for producing pellet and smelting nickel oxide ore

Provided is a method for producing a pellet capable of suppressing heat shock-induced crack occurrence, when nickel oxide ores are made into pellets and placed in a reducing furnace in a smelting process. In the method for producing a pellet from a nickel oxide ore, a nickel oxide ore, a... Sumitomo Metal Mining Co Ltd

06/01/17 / #20170152585

Method for producing pellets and producing iron-nickel alloy

Provided is a production method for producing pellets that are used for producing an iron-nickel alloy and that are produced by mixing at least a nickel oxide ore, a carbonaceous reducing agent, and an iron oxide and agglomerating the obtained mixtures, the method comprising: a step S11 for producing at... Sumitomo Metal Mining Co Ltd

06/01/17 / #20170155144

Manganese-cobalt composite hydroxide and process for producing same, positive electrode active material and process for producing same, and non-aqueous electrolyte secondary battery

A positive electrode active material for non-aqueous electrolyte secondary batteries that can achieve a high output characteristic and a high battery capacity when used in a positive electrode of a battery and that can achieve a high electrode density, and a non-aqueous electrolyte secondary battery that uses such a positive... Sumitomo Metal Mining Co Ltd

05/25/17 / #20170145225

Copper powder and electrically conductive paste, electrically conductive coating, electrically conductive sheet, and antistatic coating using same

To provide a copper powder exhibiting a high electric conductivity suitable for a metallic filler used in an electrically conductive paste, a resin for electromagnetic shielding, an antistatic coating, etc., and having excellent uniform dispersibility required for forming a paste so as to inhibit an increase in viscosity due to... Sumitomo Metal Mining Co Ltd

05/25/17 / #20170149058

Coated lithium-nickel composite oxide particles and producing coated lithium-nickel composite oxide particles

To provide excellent lithium-nickel composite oxide particles which have high environmental stability and are thus capable of suppressing generation of impurities due to absorption of moisture and a carbon dioxide gas, while being prevented from easy separation of a coating film because of high adhesion thereof and having lithium ion... Sumitomo Metal Mining Co Ltd

05/18/17 / #20170137324

Oxide sintered body, sputtering target, and oxide semiconductor thin film obtained using sputtering target

Provided are an oxide sintered compact whereby low carrier density and high carrier mobility are obtained when the oxide sintered compact is used to obtain an oxide semiconductor thin film by a sputtering method, and a sputtering target which uses the oxide sintered compact. This oxide sintered compact contains, as... Sumitomo Metal Mining Co Ltd

05/11/17 / #20170130328

Target material for sputtering and manufacturing same

Provided is a sputtering target having extremely low occurrence of arcing or nodules, and a method for manufacturing such a sputtering target. A flat plate-shaped or cylindrical target material (3, 13) is obtained by processing a material composed of an oxide sintered body. In doing so, a grindstone having a... Sumitomo Metal Mining Co Ltd

05/11/17 / #20170130329

Oxide sintered body, sputtering target, and oxide semiconductor thin film obtained using sputtering target

Provided is an oxide sintered body that, when used to obtain an oxide semiconductor thin film by sputtering, can achieve a low carrier concentration and a high carrier mobility. Also provided is a sputtering target using the oxide sintered body. The oxide sintered body contains, as oxides, indium, gallium, and... Sumitomo Metal Mining Co Ltd

05/11/17 / #20170131446

Solar-radiation-shielding material for vehicle window and window for vehicle

A solar-radiation-shielding material for vehicle windows reduces the visible light transmittance, and reduces the value of solar radiation transmittance/visible light transmittance. The visible light transmittance of the solar-radiation-shielding material is in the range of 5%. The transmission color of the solar-radiation-shielding material satisfies the Expression 2: −14<a*<2, and −8<b*<2.... Sumitomo Metal Mining Co Ltd

05/11/17 / #20170133677

Maganese composite hydroxide and process for producing same, positive electrode active material and process for producing same, and non-aqueous electrolyte secondary battery

Provided is a precursor of a positive electrode active material for non-aqueous electrolyte secondary batteries which allows a non-aqueous electrolyte secondary battery to have excellent battery characteristics. A manganese composite hydroxide is obtained by adjusting the pH value of an aqueous solution for nucleation containing cobalt and/or manganese to 7.5... Sumitomo Metal Mining Co Ltd

04/27/17 / #20170117540

Covered lithium-nickel composite oxide particles, and manufacturing covered lithium-nickel composite oxide particles

Provided are exceptional covered lithium-nickel composite oxide particles that have lithium ion conductivity, the high environmental stability of said particles making it possible to inhibit the generation of impurities from the absorption of water and carbon dioxide; high adhesiveness also being achieved, and the coating layer not peeling off easily.... Sumitomo Metal Mining Co Ltd

04/27/17 / #20170117550

Coated lithium-nickel composite oxide particles and producing coated lithium-nickel composite oxide particles

Provided are excellent coated lithium-nickel composite oxide particles which are capable of suppressing the occurrence of impurities produced by absorbing water and carbonic acid gas as a result of the high environmental stability thereof, have strong adhesion properties, do not result in easy coating layer detachment, and also exhibit lithium... Sumitomo Metal Mining Co Ltd

Patent Packs
04/20/17 / #20170110726

Precursor of positive electrode active material for nonaqueous electrolyte secondary batteries and production method thereof and positive electrode active material for nonaqueous electrolyte secondary batteries and production method thereof

Provided is a precursor of a positive electrode active material containing, in a reduced amount, impurities which do not contribute to a charge/discharge reaction but rather corrode a firing furnace and peripheral equipment and thus having excellent battery characteristics and safety, and production method thereof. A method for producing a... Sumitomo Metal Mining Co Ltd

04/13/17 / #20170100802

Coated solder material and producing same

The present invention provides a coated solder material that is capable of preventing the advancement of oxidation of the surface during long-term storage and when melted, and that has excellent wetting extendability and bondability, without the occurrence of gaps in the bonded areas. A coating film is formed on the... Sumitomo Metal Mining Co Ltd

04/13/17 / #20170104208

Nickel composite hydroxide and production method thereof, cathode active material for a non-aqueous electrolyte secondary battery and production method thereof, and a nonaqueous electrolyte secondary battery

When producing a nickel composite hydroxide that is a precursor to the cathode active material by supplying an aqueous solution that includes at least a nickel salt, a neutralizing agent and a complexing agent into a reaction vessel while stirring and performing a crystallization reaction, a nickel composite hydroxide slurry... Sumitomo Metal Mining Co Ltd

04/06/17 / #20170095862

Method for producing nickel powder

Provided is nickel powder obtained by adding seed crystals to a nickel ammine complex solution and performing hydrogen reduction reaction under high temperatures and high pressures, wherein the nickel powder does not produce dust during handling, and a container can be efficiently filled with the nickel powder. The method for... Sumitomo Metal Mining Co Ltd

04/06/17 / #20170098821

Positive-electrode material for nonaqueous-electrolyte secondary battery, manufacturing the same, and nonaqueous-electrolyte secondary battery using said positive-electrode material

Provided is a positive-electrode material for nonaqueous-electrolyte secondary batteries, the positive-electrode material being capable of achieving both high capacity and high output when used for a positive electrode for nonaqueous-electrolyte secondary batteries. Also, provided is a method for manufacturing the positive-electrode material for nonaqueous-electrolyte secondary batteries, wherein a lithium metal... Sumitomo Metal Mining Co Ltd

03/30/17 / #20170092780

Oxide sintered body, sputtering target, and oxide semiconductor thin film obtained using sputtering target

Provided are: a sintered oxide which achieves low carrier density and high carrier mobility when configured as an oxide semiconductor thin-film by using the sputtering method; and a sputtering target using the same. This sintered oxide contains indium, gallium and magnesium as oxides. It is preferable for the gallium content... Sumitomo Metal Mining Co Ltd

03/16/17 / #20170076943

Oxide sintered body, sputtering target, and oxide semiconductor thin film obtained using sputtering target

An oxide sintered body which, when made into an oxide semiconductor thin film by sputtering, can achieve low carrier density and high carrier mobility, and a sputtering target using said oxide sintered body are provided. This oxide sintered body contains indium and gallium as oxides, contains nitrogen, and does not... Sumitomo Metal Mining Co Ltd

03/16/17 / #20170077243

Sintered oxide, sputtering target, and oxide semiconductor thin film obtained using sputtering target

An oxide sintered body which, when made into an oxide semiconductor thin film by sputtering, can achieve low carrier density and high carrier mobility, and a sputtering target using said oxide sintered body are provided. This oxide sintered body contains indium and gallium as oxides, contains nitrogen, and does not... Sumitomo Metal Mining Co Ltd

02/23/17 / #20170050864

Positive electrode active material for nonaqueous secondary batteries, producing same, and nonaqueous electrolyte secondary battery using positive electrode active material

Provided are a positive electrode active material for nonaqueous secondary batteries, the material having a narrow particle-size distribution and a monodisperse property and being capable of increasing a battery capacity; an industrial production method thereof; and a nonaqueous secondary battery using the positive electrode active material and having excellent electrical... Sumitomo Metal Mining Co Ltd

02/23/17 / #20170054147

Positive electrode active material for non-aqueous electrolyte secondary battery and producing same, and non-aqueous electrolyte secondary battery manufactured using said positive electrode active material

A positive electrode active material for a non-aqueous electrolyte secondary battery, including primary particles of a lithium nickel composite oxide represented by the formula: LibNi1-x-yCoxMyO2 wherein M represents at least one element selected from Mg, Al, Ca, Ti, V, Cr, Mn, Nb, Zr and Mo; b represents a number satisfying... Sumitomo Metal Mining Co Ltd

02/16/17 / #20170043403

Method for producing nickel powder having low carbon concentration and low sulfur concentration

Provided a production method for reducing the content level of sulfur and carbon which are impurities in nickel powder to improve the quality of nickel powder produced by a complexing reduction method. The method of producing nickel powder having low carbon and sulfur concentrations includes: a complexing treatment of adding... Sumitomo Metal Mining Co Ltd

02/16/17 / #20170047206

Oxide sintered body, sputtering target, and oxide semiconductor thin film obtained using sputtering target

Provided are: a sintered oxide which achieves low carrier density and high carrier mobility when configured as an oxide semiconductor thin-film by using the sputtering method; and a sputtering target using the same. This sintered oxide contains indium, gallium and magnesium as oxides. It is preferable for the gallium content... Sumitomo Metal Mining Co Ltd

02/02/17 / #20170029335

Oxide sintered body, sputtering target, and oxide semiconductor thin film obtained using sputtering target

Provided are: a sintered oxide which is capable of obtaining low carrier density and high carrier mobility when configured as an oxide semiconductor thin film by using a sputtering method; and a sputtering target which uses the same. The sintered oxide contains indium, gallium and copper as oxides. It is... Sumitomo Metal Mining Co Ltd

02/02/17 / #20170029336

Oxide sintered body, sputtering target, and oxide semiconductor thin film obtained using sputtering target

Provided are: a sintered oxide which is capable of obtaining low carrier density and high carrier mobility when configured as an oxide semiconductor thin film by using a sputtering method; and a sputtering target which uses the same. The sintered oxide contains indium, gallium and copper as oxides. It is... Sumitomo Metal Mining Co Ltd

02/02/17 / #20170033269

Coating film, forming coating film, and light-emitting diode device

A 4 nm to 14 nm thick polysiloxane film, which includes a polysiloxane of which the principal chain is —(Si—O—Si)n— and that is formed by mixing and spraying a hexamethyldisiloxane compound together with nitrogen gas as a carrier gas at atmospheric pressure in a nitrogen plasma gas, and then performing... Sumitomo Metal Mining Co Ltd

01/26/17 / #20170025679

Nickel-cobalt composite hydroxide and process for manufacturing same

Process for manufacturing nickel-cobalt composite represented by Ni1−x−yCoxMnyMz(OH)2 (where, 0.05≦x≦0.95, 0≦y≦0.55, 0≦z≦0.1, x+y+z<1, and M is at least one metal-element selected from Al, Mg, and the like), includes: forming seed particle, while reaction solution having mixed solution containing metal compounds and ammonia solution containing ammonium ion supply source at discharge... Sumitomo Metal Mining Co Ltd

01/19/17 / #20170015589

Oxide sintered body, process for manufacturing same, and oxide film

The present invention provides: an oxide sintered body having superior manufacturing stability, film stability, discharge stability, and mechanical strength; a process for manufacturing the same; and an oxide film obtained by using the oxide sintered body and having an intermediate refractive index. The oxide sintered body comprising In and Si,... Sumitomo Metal Mining Co Ltd

01/12/17 / #20170008083

Method for producing nickel powder

Provided is a method for producing nickel powder from a nickel ammine sulfate complex solution, comprising treatment steps of: (1) a seed crystal production step of producing nickel powder having an average particle size of 0.1 to 5 μm; (2) a seed crystal addition step of adding the nickel powder... Sumitomo Metal Mining Co Ltd

01/12/17 / #20170008089

Method for producing seed crystals used for producing hydrogen-reduced nickel powder

Provided are a method for producing nickel seed crystals that maintains and improves the quality of nickel powder at a low cost while suppressing production cost and environmental load in the production of nickel powder, by optimizing the amount of hydrazine added when producing fine nickel powder as seed crystals... Sumitomo Metal Mining Co Ltd

01/12/17 / #20170008090

Method for producing nickel powder

Provided is an efficient method for producing nickel powder from a solution containing a nickel ammine complex, the method including adding seed crystals to a solution containing a nickel ammine complex and subjecting the resulting mixture to hydrogen reduction under high temperatures and high pressures to produce nickel powder, which... Sumitomo Metal Mining Co Ltd

01/12/17 / #20170012288

Nickel-manganese composite hydroxide particles, producing same, cathode active material for non-aqueous electrolyte secondary batteries, producing same, and non-aqueous electrolyte secondary battery

The object of the present invention is to improve the roundness of nickel-manganese composite hydroxide particles obtained by a crystallization process, and to improve the filling characteristic of cathode active material produced using the nickel-manganese composite hydroxide particles as a precursor. A reaction aqueous solution is formed by supplying a... Sumitomo Metal Mining Co Ltd








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