76results about "Nickel carbonyls" patented technology

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, Ga, In, Sc, Y and La in an amount of from about 12 to about 30 atom % relative to the sum of the metal components including Ni. The invention also relates to a rechargeable battery containing a mixed metal hydroxide according to the invention as an electrochemically active material as well as a secondary batter containing the mixed metal hydroxide. The invention also relates to a process for producing a mixed metal hydroxide having a brucite structure.

A method and integrated system are provided for purifying and delivering a metal carbonyl precursor utilized to process a substrate. The method includes providing the metal carbonyl precursor containing un-reacted metal carbonyl precursor and metal-containing impurities in a metal precursor vaporization chamber containing a precursor collection plate, evacuating the metal precursor vaporization chamber, pressurizing the metal precursor vaporization chamber with a CO-containing gas, vaporizing the un-reacted metal carbonyl precursor, and condensing the vaporized un-reacted metal carbonyl precursor as a purified metal carbonyl precursor on the precursor collection plate. The method may further include vaporizing the purified metal carbonyl precursor, and delivering a process gas containing the vapor of the purified metal carbonyl precursor by flowing a gas containing CO through the metal precursor vaporization chamber to a deposition system configured to expose a substrate to the process gas.

This invention discloses a method for preparing charging beta phase hydroxyl nickel oxide, applying NiOH after oxidation to prepare with uniform liquid phase method and select chloros as the main oxidant, attching electric field action the same time as the chemical oxidation to deeply oxidate the beta phase hydroxyl nickel oxide particles quickly in the electric field to form charging beta phase hydroxyl nickel oxide to be used as the nickel/zinc battery positive material with high discharging platform voltage.

The invention relates to a compound method for nickel carbonoxide. It sets thermalloy or ambrose first alloy onto fixed bed reactor and is continuously pumped into carbon monoxide with catalyst. The reaction pressure is controlled from 5.0Mpa to 15.0Mpa, and temperature is controlled from 150 degree centigrade to 250 degree centigrade. Thus, the carbonylation ratio of nickel in raw material is very high. And experiment safety factor is sharply increased.

The invention discloses Beta-hydroxyl zinc-nickel oxide crystal, which is of hydrated oxide of nickel and zinc existed in eutectic form, and its preparing method. Comparing with prior art, the alkaline battery prepared by use of the said crystal as the material of the positive electrode, zinc as the negative electrode, the concentrated alkali solution as the electrolytic solution. The alkali battery provides higher discharge voltage and larger discharge current. With being even stored in high temperature, the battery still keeps excellent large load discharge characteristic and durability. Possessing the features of short preparation technological flow and simple operation, the invention is suitable for being as the material of the positive electrode of the alkali battery.

Disclosed a compound ball ª† hydroxyl nickel oxide, its preparing method and application, relates to a compound and a anode material of battery, while the compound has the advantages of better storage ability, high discharge capacity and high packaging density. Wherein, the chemical formula of said compound is ª†-HaKbNac(H2O)dNixM1-XO2 and the method comprises that mixing the nickel salt solution and at least one metal salt solution to attain the solution A; preparing caustic soda or caustic potash solution and adding sodium carbonate or potassium carbonate to attain the solution B; preparing the ammonia solution C; reacting the A, B, and C, processing the solid-liquid separation to attain the ball ª‡ nickel hydroxide; reacting with the oxidant in the solution of caustic soda or caustic potash to attain the black solid-liquid mixture and processing the solid-liquid separation to attain the ball ª† hydroxyl nickel oxide. The invention has better stability which avoids the easy discharge decompounded in lye; therefore, the invention can be used as anode material of battery to attain better storage ability, high discharge capacity, better crystal condition and density while the tap density can reach 1.9 g/cm3.

A preparation method of carbonyl nickel powder relates to a kind of carbonyl nickel powder, in particular to a preparation method of low-carbon carbonyl nickel powder. The preparation process is that carbonyl nickel vapor and carbon monoxide gas are used to form a mixed gas and the mixed gas passes through a decomposer and is heated and decomposed to prepare carbonyl nickel powder. The preparation method is characterized in that the disproportionation reaction of CO under high temperature is controlled in the heat decomposition process, thus the carbon content of the nickel powder is controlled. The preparation method of the carbonyl nickel powder comprises the following steps: the mixed gas consisting of carbonyl nickel vapor and carbon monoxide gas is introduced in the decomposer from the upper part of the decomposer, the carbonyl nickel in the mixed gas is heated and decomposed to generate metal nickel particles in the falling process, the disproportionation reaction of CO is limited under high temperature by controlling the decomposition conditions and the carbon content of the nickel powder is controlled to obtain the carbonyl nickel powder product with the carbon content of 0.01%-0.15% finally.

The present invention is gamma-hydroxy nickel oxide and its preparation process. The preparation process includes adding doping metal salt into bivalent nickel salt as main material to compound reaction solution; adding potassium hydroxide or sodium hydroxide into oxidant to compounding oxidant solution; adding the reaction solution into the oxidant solution under stirring and ultrasonic dispersion to obtain hydroxy nickel oxide; washing and drying to constant weight. The prepared gamma-hydroxy nickel oxide has small grain size, homogeneous grain, great specific surface area, high heat stability, high stability in alkali medium, high specific discharge capacity, and other advantages. The gamma-hydroxy nickel oxide may be used as the positive pole material for primary and secondary batteries.

This invention relates to a positive material of alkali batteries and a preparation method, which provides a beta-alkyl Ni2O doped with Mg, the molecular formula is Ni(1-x) MgxO(1-x)OH(1+x), X is greater or equal to 3% and smaller than or equal to 15%, in preparation, solutions of Ni2SO4, NiNO3 or NiCl is mixed with solutions of MgSO4, MgNO3 or MgCl2 to NiMg solution then to parallel-flow with alkali solution and a complexing agent to be cleaned until SO32-, NO3-1 or Cl-1 can not be tested by solution then to be filtered and dried to get MgNi2(OH)2 which is added into KOH solution and oxidant is added to be cleaned till SO42- can not be tested by BaCl2 solution then to be filtered and dried.

The invention discloses a method and system for preparing nickel carbonyl powder through laterite-nickel ore. The method comprises the steps that 1, the laterite-nickel ore, coal, limestone and additives are mixed and pelletized; 2, reduction treatment is carried out on mixed pellets; 3, the metallized pellets are subjected to separation treatment, and ferro-nickel particles and tailings are obtained; 4, high-temperature atomization is carried out on the ferro-nickel particles, and ferronickel powder is obtained; 5, the ferronickel powder is in contact with carbon monoxide and sulfur-containing gaseous compounds, and a first gaseous compound containing nickel carbonyl, carbonyl iron, carbon monoxide and the sulfur-containing gaseous compounds, and iron powder are obtained; 6, the first gaseous compound is purified, and gaseous nickel carbonyl and a second gaseous mixture including the sulfur-containing gaseous compounds and carbon monoxide are obtained; 7, gaseous nickel carbonyl is decomposed, and the nickel carbonyl powder and carbon monoxide are obtained. According to the method, the cheap laterite-nickel ore can be effectively utilized for preparing the high-purity nickel carbonyl powder, and therefore production cost can be remarkably reduced.

This invention discloses a nickel-oxhydroxide doped with cobalt-manganese and its preparation method, relating to a nickel compound, from which, the product prepared has high tap density. The technique program is the formula of Ni1-x-yCoxMnyOOH, in which, 1/5<=x<=2/5, 1/5<=y<=2/5. Its preparation method includes the following steps: (1) the mixed salt solution is prepared by Ni, Mn and Co, which molar ratio is 1:(1/5<=x<=2/5) :(1/5<=y<=2/5), and sodium hydroxide or potassium hydroxide solution is prepared, (2) precipitation reaction, (3) polyacrylamide is accessed into the above slurry for poly deposition, (4) the filter cake is washed, dried, crushed and sift out to get the product. This invention is used for the anode material of lithium battery.

A method for preparing a transition-metal adamantane carboxylate salt is presented. The method includes mixing a transition-metal hydroxide and a diamondoid compound having at least one carboxylic acid moiety to form a reactant mixture, where M is a transition metal. Further, the method includes hydrothermally treating the reactant mixture at a reaction temperature for a reaction time to form the transition-metal adamantane carboxylate salt.

The invention discloses a preparation method of carbonyl ferronickel alloy powder. The method comprises the following steps: respectively introducing CO gas into a carbonyl nickel evaporator and a carbonyl iron evaporator, uniformly mixing the carbonyl-nickel-entrained CO gas and carbonyl-iron-entrained CO gas, introducing the gas mixture into a decomposer, and carrying out thermal decomposition, wherein the temperature of the CO gas introduced into the carbonyl nickel evaporator is 50-60 DEG C, and the temperature of the CO gas introduced into the carbonyl iron evaporator is 75-90 DEG C. The preparation method can enhance the stability of the mixed raw gas components and effectively maintain the operating state of the evaporators and feed pipeline.

The invention discloses a method for removing sulfureted hydrogen from mixture containing metal carbonyl (nickel carbonyl or iron carbonyl). The method includes that the catalyst is loaded in a fixed bed reactor; at the temperature of 5-250 DEG C, the CO mixed gas containing the nickel carbonyl or the iron carbonyl is added to the fixed bed reactor; under the air speed of 800-4000h-1, the sulfureted hydrogen in the mixed gas can be removed to below 0.1ppm.

The invention discloses a nickel tetracarbonyl synthesizing method through nickel and CO under normal pressure, which comprises the following steps: grinding nickel material; sintering the grinded material; reducing sulfur content; leaching the sintered slag to separate the copper in the sintered slag; reducing the slag through water gas; synthesizing the product through reduced material and CO.

The invention relates to a method for preparing carbonyl ferronickel powder, which is characterized by the preparation course that: carbonyl nickel liquid and carbonyl iron liquid are heated respectively in two evaporators and then mixed with CO gas to be decomposed. The method for preparing carbonyl ferronickel powder of the invention has simple operation and obtains ferronickel powder with design ratio stably by adjusting the mixture ratio of carbonyl nickel to carbonyl iron. The content ratio of ferronickel powder can be adjusted at will according to need. The detection on the obtained carbonyl ferronickel powder shows that the ferronickel content in the product is stable, which realizes stable quality of the produced carbonyl ferronickel powder.

The invention discloses a continuous carbonylation reactor, belongs to the technical field of vapometallurgy, and aims to solve the problems of non-continuous reaction and low efficiency of synthesis of nickel carbonyl. The reactor comprises a sealing head, at least two barrel bodies and a stirring propulsion device, wherein the sealing end is connected with the barrel bodies through flanges; the barrel bodies are connected with each other through flanges; a material inlet, a residue outlet, a gas inlet and a gas outlet are formed in each barrel body; at least two supports are arranged below each barrel body; a stirring shaft, a sealing device, a speed reducer and a motor are arranged on the stirring propulsion device; stirring blades are arranged on the stirring shaft. As gas-solid two-phase reaction is continuous without stopping, the continuous carbonylation reactor is full in reaction, high in efficiency, high in sealing property and convenient to maintain.