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8137654 |
Method of roasting material containing at least one of V, Mo and Ni and rotary kiln for roasting the same
Provided is a roasting method capable of reducing both C and S components in minerals down to 0.5% or less, respectively, and securing a yield ratio of 90% or more for the Mo component. In a rotary...
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8110173 |
Fabrication of NIO nanoparticles and chip-like nanoflakes by solvothermal technique
A method is disclosed for fabrication of NiO nanoparticles and NiO chip-like nanoflakes by solvothermal technique. Mixed organic alcohols were used as solvent to make a homogenous solution from a...
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8092777 |
Process for producing anisotropic magnetic material and anisotropic magnetic material
A process for producing an anisotropic magnetic material includes: preparing a feebly magnetic material capable of transforming into a magnetic material by a prescribed reaction, orienting the...
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8066969 |
Preparation method of magnetic and metal oxide nanoparticles
This invention relates, in general, to a method of producing magnetic oxide nanoparticles or metal oxide nanoparticles and, more particularly, to a method of producing magnetic or metal oxide...
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8062620 |
Catalytic process for the conversion of Co (II)hydroxide in Co (III)oxidehydroxide
The present invention relates to a process for the conversion of cobalt(II)hydroxide into cobalt(III)oxidehydroxide (CoOOH) by reaction of the cobalt(II)hydroxide with oxygen in the presence of...
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8007757 |
Multi-dimensional complex nanocrystal structures and methods of making same
A method of synthesizing nanostructures. In one embodiment, the method includes the step of heating a reaction mixture at an elevated temperature, T, for a period of time effective to allow the...
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7998452 |
Spherical tricobalt tetraoxide and method of preparing the same
A method of preparation of spherical tricobalt tetraoxide, including at least oxidizing a bivalent cobalt salt in a wet environment and in the presence of a precipitant, a complexing agent, and an...
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7993618 |
Method for making metal oxide nanocrystal
A method for making the metal oxide includes the following steps: mixing a metal nitrate with a solvent of octadecyl amine, and achieving a mixture; agitating and reacting the mixture at a reaction...
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7892447 |
Nanoplatelet metal hydroxides and methods of preparing same
Nanoplatelet forms of metal hydroxide and metal oxide are provided, as well as methods for preparing same. The nanoplatelets are suitable for use as fire retardants and as agents for chemical or...
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7867471 |
Process for preparing advanced ceramic powders using onium dicarboxylates
A process of producing a ceramic powder including providing a plurality of precursor materials in solution, wherein each of the plurality of precursor materials in solution further comprises at...
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7820124 |
Monodisperse nanoparticles and method of making
A material comprising a plurality of nanoparticles. Each of the plurality of nanoparticles includes at least one of a metal phosphate, a metal silicate, a metal oxide, a metal borate, a metal...
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7811543 |
Controlled synthesis of nanoparticles using continuous liquid-flow aerosol method
A method and apparatus for producing surface stabilized nanometer-sized particles includes the steps of mixing reactants, a surface-stabilizing surfactant, and a high boiling point liquid to form a...
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7803347 |
Organically modified fine particles
A technique for bonding an organic group with the surface of fine particles such as nanoparticles through strong linkage is provided, whereas such fine particles are attracting attention as...
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7799730 |
Catalyst support
The invention relates to a cylindrical catalyst body 1 which is characterized in that indentations are provided on the circumferential surface 3 of the catalyst body 1. These indentations are...
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7799459 |
Insertion compound able to be used as cathodic active material of a lithium rechargeable electrochemical cell
A compound for use as active material of a positive electrode of a lithium-ion cell. This compound has an average discharge voltage above 4.5V in relation to the Li+/Li couple of approximately...
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7799296 |
Method of producing a nickel salt solution
A method for converting nickel into a nickel salt solution. Nickel is dissolved and reacted in an oxygen-enriched acidic solution to produce a nickel salt solution as illustrated in the following...
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7718315 |
Alkaline battery and positive electrode material for alkaline battery comprising nickel oxyhydroxide and manganese dioxide
There is disclosed an alkaline battery including a positive electrode material mixture, a negative electrode, a separator interposed between the positive electrode material mixture and the negative...
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7700068 |
Method of making NiO and Ni nanostructures
The alpha form of nickel (II) hydroxide is formed by dissolving a compound of nickel (II), such as nickel acetate, in a water miscible dihydric alcohol (diol), such as ethylene glycol, propylene...
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7678355 |
Method for producing perovskite-type complex oxide
A method for producing a highly crystalline perovskite-type complex compound is provided that exhibits stably a high Seebeck coefficient and a low electric resistivity even at higher temperatures....
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7618609 |
Method to prepare defective metal oxides with increased specific capacity
Increased lithium capacity of defective oxide materials and methods for preparation are described herein. Point defects may be introduced into a metal oxide to increase its lithium ion capacity....
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7601199 |
Ni and Ni/NiO core-shell nanoparticles
Glycerol is used as a solvent medium for the precipitation of a complex of nickel and glycerol material. The precipitate is separated from the liquid solvent and dried and calcined in air to...
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7585435 |
High density cobalt-manganese coprecipitated nickel hydroxide and process for its production
The present invention provides high density cobalt-manganese coprecipitated nickel hydroxide, particularly having a tapping density of 1.5 g/cc or greater, and a process for its production...
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7563431 |
Nickel hydroxide and method for producing same
A process for preparing nickel hydroxide by alkaline precipitation from nickel salt solutions in the presence of complexing agents, in which the precipitation is carried out at at least two...
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7553474 |
Method for producing metal oxide sol
It is an object to provide a method for producing stable alkaline metal oxide sols having a uniform particle size distribution. The method comprises the steps of: heating a metal compound at a...
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7488464 |
Metal oxide processing methods and systems
Methods and systems for processing metal oxides from metal containing solutions. Metal containing solutions are mixed with heated aqueous oxidizing solutions and processed in a continuous process...
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7470647 |
Nickel oxide nanoparticles as catalyst precursor for hydrogen production
Decomposition of methane to produce carbon monoxide-free hydrogen is accomplished using un-supported, nanometer sized, hydrogen reduced, nickel oxide particles made by a precipitation process. A...
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7455823 |
Process for the preparation of micron/nano sized inorganic material
The invention discloses methods for making micron/nano meter sized particles of various inorganic materials such as minerals/oxides/sulphides/metals/ceramics at a steadily expanding liquid-liquid...
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7438754 |
Cobalt-containing black pigment particulates
Disclosed is a black pigment having adequate degree of blackness and high electrical resistance at the same time. Specifically disclosed is a granular black pigment containing cobalt which is...
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7357910 |
Method for producing metal oxide nanoparticles
Method for producing metal oxide nanoparticles. The method includes generating an aerosol of solid metallic microparticles, generating plasma with a plasma hot zone at a temperature sufficiently...
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7338647 |
Synthesis of cathode active materials
The present invention relates to a method for preparing an electroactive metal polyanion or a mixed metal polyanion comprising forming a slurry comprising a polymeric material, a solvent, a...
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7297321 |
Supermicroporous metal oxides
A new class of supermicroporous mixed oxides, with pore sizes in the 10-20 Å range has been prepared utilizing basic metal acetates. The reactions are carried out in non-aqueous solvent media to w...
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7276224 |
Synthesis of nanoporous particles
Methods of producing nanoporous particles by spray pyrolysis of a precursor composition including a reactive precursor salt and a nonreactive matrix salt are provided, wherein the matrix salt is...
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7235224 |
Process for preparing fine metal oxide particles
Disclosed is a process for preparing fine metal oxide particles, comprising the following steps of reacting a reactant mixture comprising i) water, ii) at least one water-soluble metal nitrate and...
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7223377 |
Process for producing micro-mesoporous metal oxide having regulated pores formed by novel template removal method
The present invention is the method for preparation of transition metal oxide having micro-mesoporous structure whose average fine pores size is not less than 1 nm and not more than 2 nm...
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7208134 |
Bioprocesses enhanced by magnetic nanoparticles
One aspect of the present invention relates to magnetic nanoparticles colloidally stabilized in aqueous milieu by association with an organic phase. The organic phase may be either a fluorinated...
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7163667 |
Production process for oxide magnetic material and oxide magnetic material
A production process for an oxide magnetic material comprising the steps of blending raw material powder so as to take the composition of a hexagonal ferrite including: at least one kind of an...
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7122169 |
Positive electrode material and nickel-zinc battery
The present invention provides a nickel-zinc battery of an inside-out structure, that is, a battery comprising a positive electrode containing beta-type nickel oxyhydroxide and a negative electrode...
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7118727 |
Method of making oxide particles
The present invention provides a process for producing particles, such as oxide nanoparticles, in a substantially water-free environment. The process involves mixing at least one metal compound of...
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7094301 |
Method of forming a joint
A method of joining at least two sintered bodies to form a composite structure, including providing a first multicomponent metallic oxide having a perovskitic or fluorite crystal structure;...
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7081234 |
Process of making hydrophobic metal oxide nanoparticles
A process of treating metal oxide nanoparticles that includes mixing metal oxide nanoparticles, a solvent, and a surface treatment agent that is preferably a silane or siloxane is described. The...
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7033555 |
Low temperature lithiation of mixed hydroxides
A low temperature contaminant limiting process for lithiating hydroxides and forming lithiated metal oxides of suitable crystalinity in-situ. M(OH)2 is added to an aqueous solution of LiOH. An...
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7029791 |
Manufacturing method of positive active material for alkaline storage battery, nickel electrode using the same material and alkaline storage battery using the same nickel electrode
A high capacity alkaline storage battery which exhibits a maintained dischargeability and a reduced excess negative electrode capacity by decreasing the content of γ-NiOOH left in higher order ...
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7011898 |
Method of joining ITM materials using a partially or fully-transient liquid phase
A method of forming a composite structure includes: (1) providing first and second sintered bodies containing first and second multicomponent metallic oxides having first and second identical...
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6984369 |
Process for making surfactant capped metal oxide nanocrystals, and products produced by the process
Disclosed is a process for making surfactant capped nanocrystals of metal oxides which are dispersable in organic solvents. The process comprises decomposing a metal cupferron complex of the...
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6958139 |
Active material for rechargeable batteries
A mixed metal hydroxide with brucite structure is described, which contains nickel hydroxide as its main component and at least one trivalent metal selected from the group consisting of Co, Fe, Al,...
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6780393 |
Method of producing fine particles of metal oxide
A method of producing fine particles of an oxide of a metal, comprising the steps of: preparing an acidic solution which contains ions of the metal; precipitating fine particles of a hydroxide of...
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6746653 |
Process for recovering catalyst transition metals from salt-containing reaction mixtures
Transition metals may be recovered from a salt-containing mixture containing at least one transition metal compound, salts, and organic compounds by separating from the salt-containing mixture a...
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6692719 |
Process for regeneration of acid halide solutions
A process is disclosed for regenerating an aqueous acid halide leachant from a spent aqueous metal halide leach liquor. The process comprises introducing into a fluidized bed or spray roaster a...
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6576205 |
Method for reducing the crystallinity of nickel hydroxide powders
A process for decreasing the crystallinity of nickel hydroxide by generating and supplying large numbers of heteronuclei into the nickel hydroxide producing reaction system. Nickel sulfate and...
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6340453 |
Method for producing nickel hydroxide
The instant specification discloses a method for producing nickel hydroxide from an aqueous solution containing an ammonium ion and dissolved nickel hydroxide in an alkaline state, which is...
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