WO2019117027A1 - Hydroxyde contenant du nickel et procédé de production associé - Google Patents

Hydroxyde contenant du nickel et procédé de production associé Download PDF

Info

Publication number
WO2019117027A1
WO2019117027A1 PCT/JP2018/045045 JP2018045045W WO2019117027A1 WO 2019117027 A1 WO2019117027 A1 WO 2019117027A1 JP 2018045045 W JP2018045045 W JP 2018045045W WO 2019117027 A1 WO2019117027 A1 WO 2019117027A1
Authority
WO
WIPO (PCT)
Prior art keywords
nickel
containing hydroxide
particle size
hydroxide
particles
Prior art date
Application number
PCT/JP2018/045045
Other languages
English (en)
Japanese (ja)
Inventor
一臣 漁師
元彬 猿渡
慶彦 中尾
Original Assignee
住友金属鉱山株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 住友金属鉱山株式会社 filed Critical 住友金属鉱山株式会社
Priority to JP2019559600A priority Critical patent/JP7220849B2/ja
Publication of WO2019117027A1 publication Critical patent/WO2019117027A1/fr

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G51/00—Compounds of cobalt
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
    • H01M4/505—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/525—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to a nickel-containing hydroxide as a raw material of a positive electrode active material for a non-aqueous electrolyte secondary battery, and a method for producing the same.
  • the lithium ion secondary battery is composed of a negative electrode, a positive electrode, an electrolytic solution and the like, and a material capable of desorbing and inserting lithium is used as the active material of the negative electrode and the positive electrode.
  • a lithium ion secondary battery using a lithium composite oxide, particularly a lithium cobalt composite oxide which is relatively easy to synthesize, as a positive electrode material is expected as a battery having a high energy density since a high voltage of 4 V is obtained.
  • Practical application is in progress.
  • a battery using a lithium cobalt composite oxide many developments have been conducted to obtain excellent initial capacity characteristics and cycle characteristics, and various results have already been obtained.
  • lithium cobalt composite oxide uses an expensive cobalt compound as a raw material
  • the unit cost per capacity of a battery using this lithium cobalt composite oxide is much higher than that of a nickel hydrogen battery, and the applicable application is considerable. It is limited. Therefore, the cost of the positive electrode material can be reduced not only for small secondary batteries for portable devices but also for large secondary batteries for electric power storage, electric vehicles, etc., and cheaper lithium ion secondary batteries can be manufactured. Expectations are high for making it possible, and it can be said that its realization has great industrial significance. In particular, high output is required for a secondary battery for hybrid vehicles that is rapidly spreading, and high output of lithium ion secondary battery is being studied.
  • lithium nickel complex oxide using nickel cheaper than cobalt can be mentioned.
  • the lithium nickel composite oxide exhibits a lower electrochemical potential than the lithium cobalt composite oxide, so decomposition by the oxidation of the electrolytic solution is less likely to be a problem, higher capacity can be expected, and battery voltage as high as cobalt type.
  • Development is actively conducted.
  • a lithium ion secondary battery is manufactured using a lithium-nickel composite oxide synthesized purely with only nickel as a positive electrode material, the relative cycle characteristics are inferior to those of cobalt, and it is relatively due to use or storage under high temperature environment.
  • lithium nickel composite oxides in which a part of nickel is replaced with cobalt or aluminum are known because they have the disadvantage of easily degrading the cell performance.
  • lithium nickel composite oxide which is a positive electrode active material
  • a nickel composite hydroxide which is a precursor is produced by a neutralization crystallization method, and this precursor is mixed with a lithium compound and fired.
  • Methods of obtaining lithium nickel composite oxides are known.
  • the powder properties of the lithium nickel composite oxide are greatly influenced by the powder properties of the precursor nickel composite hydroxide, and in particular, the most basic powder properties, the particle size distribution substantially reflects the particle size distribution of the precursor. Therefore, control of neutralization crystallization to obtain a precursor is extremely important.
  • lithium nickel composite oxide in order to obtain a high output lithium nickel composite oxide, it is necessary to obtain a fine nickel composite hydroxide in neutralization crystallization. Further, for increasing the capacity of the lithium-nickel composite oxide, it is effective to increase the volumetric energy density by the improvement of the packing property, and the improvement of the circularity of the particles is effective as the packing property improvement method. Therefore, in order to obtain a high output and high capacity lithium nickel composite oxide, it is preferable to use a nickel composite hydroxide having a small particle diameter and a high circularity as a precursor.
  • Patent Document 1 does not provide a technology for realizing a positive electrode active material having a truly small particle size.
  • Patent Document 2 discloses a positive electrode active material for a non-aqueous lithium secondary battery, which is a particle composed of a composite oxide of lithium and a transition metal, and at least the surface thereof is melted and solidified to be spheroidized.
  • a positive electrode active material for a non-aqueous lithium secondary battery which is a particle composed of a composite oxide of lithium and a transition metal, and at least the surface thereof is melted and solidified to be spheroidized.
  • the degree of circularity increases when the surface is melted, the positive electrode active material is more likely to aggregate as the particle size becomes finer, so when applied to small particle size particles, the melted particles aggregate vigorously. It will be done. Since this result leads to an increase in particle size, it is presumed that the packability of the positive electrode active material is greatly reduced and the output of the battery is also reduced. Therefore, Patent Document 2 also does not provide a technology for realizing a positive electrode active material having a very small particle size.
  • An object of the present invention is to provide a nickel-containing hydroxide as a raw material of a positive electrode active material for a non-aqueous electrolyte secondary battery capable of achieving both high output and high capacity, and a method for producing the same. .
  • the inventors of the present invention conducted intensive studies on a method for producing a nickel-containing hydroxide as a raw material of a positive electrode active material for a non-aqueous electrolyte secondary battery, and as a result It has been found that, by giving the above, it is possible to obtain a nickel-containing oxide having a fine particle diameter and a high spherical property, and to complete the present invention.
  • the nickel-containing hydroxide of the first invention has a general formula (1) Ni1-x-yCoxAly (OH) 2 + ⁇ (0 ⁇ x ⁇ 0.3, 0.005 ⁇ y ⁇ 0.15, x + y ⁇ 0.
  • the volume average particle diameter is 1.00 ⁇ m to 3.00 ⁇ m, which is an index indicating the spread of the particle size distribution [(d 90 ⁇ 10) / volume average particle size] is 0.50 or less, roundness (minimum circumscribed circle diameter of
  • the method for producing a nickel-containing hydroxide according to the second aspect of the present invention is a method for producing a nickel-containing hydroxide according to the present invention comprising the general formula (1): Ni1-x-yCoxAly (OH) 2 + .alpha.
  • a method for producing an oxide comprising stirring a reaction solution, a metal salt-containing aqueous solution, an alkali metal hydroxide, and In the neutralization crystallization step of supplying and reacting the complexing agent to obtain nickel-containing hydroxide particles, there is
  • the method for producing a nickel-containing hydroxide according to the third invention is characterized in that, in the second invention, an acceleration applying mechanism is used as a method for giving an acceleration to the slurry.
  • the method for producing a nickel-containing hydroxide according to a fourth aspect of the invention is characterized in that, in the third aspect, the acceleration applying mechanism is a centrifugal pump.
  • the nickel-containing hydroxide has a small particle size of 1.00 ⁇ m to 4.00 ⁇ m in volume average particle size, so that the specific surface area can be increased and high output can be exhibited.
  • the spread of the distribution is [(d90 ⁇ d10) / volume average particle diameter] is 0.5 or less, the amount of fine particles mixed can be reduced to ensure high output of the battery.
  • the degree of circularity is 0.95 or more, the packability of the positive electrode active material can be increased, so that high capacity of the battery can be achieved.
  • high output and high capacity of the battery can be compatible.
  • the particles grown into an irregular shape different from the spherical shape are subjected to a large shear force, crushed and spheroidized, and the particle diameter is maintained while maintaining the spherical property. grow up. Therefore, the particle size and the spread of the particle size distribution can be kept within the numerical range defined in the first invention, and the circularity can also be kept within the numerical range prescribed in the first invention.
  • the acceleration of the slurry can be efficiently increased with lower energy, nickel-containing hydroxide particles having a small particle size and high sphericality can be obtained efficiently.
  • the slurry can be accelerated radially outward by the rotation of the impeller housed in the casing of the centrifugal pump, and the acceleration can be easily realized high acceleration by raising the rotational speed Because it is suitable for applications that accelerate the slurry at high speed.
  • Ni x Coy M nz M t (OH) 2 + ⁇ (x + y + z + t 1, 0.1 y y ⁇ 0.5, 0.1 z z 0.8 0.8, 0 ⁇ t ⁇ 0.02, 0 ⁇ ⁇ ⁇ 0.5, M is not represented by one or more additive elements selected from Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, and W It is a nickel containing hydroxide used as a raw material of the positive electrode active material for water-based electrolyte secondary batteries.
  • the nickel-containing hydroxide particles (a) have a volume average particle diameter of 1.00 ⁇ m to 4.00 ⁇ m, and (b) is an index indicating the spread of the particle size distribution [(d 90 ⁇ d 10) / volume average Particle size] is 0.50 or less, and (c) circularity (area equivalent circle diameter of particle projection image / minimum circumscribed circle diameter of particle projection image) is 0.95 or more. It is characterized by
  • volume average particle size is an average particle size weighted by particle volume, and in a set of particles, the sum of the diameter of individual particles multiplied by the volume of the particles divided by the total volume of the particles is there.
  • the volume average particle size (MV) can be measured, for example, by a laser diffraction scattering method using a laser diffraction particle size distribution analyzer. When the volume average particle diameter is as small as 1.00 ⁇ m to 4.00 ⁇ m, the specific surface area can be increased to exhibit high output.
  • the volume average particle diameter is less than 1.00 ⁇ m
  • the paste viscosity is significantly increased when producing an electrode using a positive electrode active material using the same as a raw material.
  • the volume average particle size exceeds 4.00 ⁇ m, the specific surface area of the positive electrode active material using the same as a raw material is reduced, and the movement of lithium is restricted, so that sufficient output can not be exhibited.
  • (B) Volume particle size distribution An index indicating the spread of particle size distribution (particle size variation index) [(d90 ⁇ d10) / volume average particle size] is 0.50 or less, whereby fine particles and coarse particles are mixed. Can be suppressed to make the particle diameter of the secondary particles uniform, and high output of the battery can be realized. Further, since it is possible to suppress an increase in paste viscosity at the time of electrode production, the amount of solvent is small, and the drying step after coating becomes a short time, and there is an advantage that the drying shrinkage is small and the yield is improved.
  • d90 and d10 mean particle sizes accumulated from the side of smaller particle size, and the cumulative volume is 90% and 10% of the total volume of all particles.
  • the d90 and d10 can be measured by the laser diffraction scattering method using a laser diffraction particle size distribution analyzer, similarly to the volume average particle diameter (MV).
  • (C) Circularity The circularity referred to in the present specification is determined by [area equivalent circle diameter of particle projection image / minimum circumscribed circle diameter of particle projection image]. As this value is closer to 1, it means that the particles have a shape close to a perfect circle. Also, since particles are solid, it is best to use sphericity as an index, but this is difficult and is replaced by circularity. However, the method of measuring the area equivalent circle diameter of the particle projection image and the minimum circumscribed circle diameter of the particle projection image can be obtained from the projection image of the particle measured by a commercially available electron microscope.
  • the degree of circularity is 0.95 or more, the spherical property is considerably high, and the packability of the positive electrode active material can be maintained high. Therefore, the volumetric energy density of the battery can be maintained in a suitable range.
  • the degree of circularity is less than 0.95, the packing property of the positive electrode active material made from the material decreases, and as a result, the volumetric energy density of the battery decreases, which is not preferable.
  • the present invention is characterized in that (a) volume average particle diameter, (b) particle size distribution, and (c) circularity all satisfy the above-mentioned numerical range.
  • High battery power is achieved by (a) volume average particle size and (b) particle size distribution, and high capacity is achieved by (c) circularity. Therefore, the present invention can realize both high output and high capacity.
  • the metal salt-containing aqueous solution is an aqueous solution in which salts of the constituent elements of the above-mentioned nickel-containing hydroxide are dissolved in water to adjust the salt concentration.
  • the composition of the metal salt-containing aqueous solution is preferably the composition ratio of the metal element in the general formula.
  • the pH of the reaction solution (nickel complex hydroxide solution after reaction) can be controlled by supplying an alkali metal hydroxide.
  • the alkali metal hydroxide is not particularly limited, and for example, an aqueous alkali metal hydroxide solution such as sodium hydroxide or potassium hydroxide can be used.
  • the alkali metal hydroxide can be added directly to the reaction solution, but is preferably added as an aqueous solution because of the ease of pH control.
  • the method of adding the alkali metal hydroxide aqueous solution is not particularly limited either, and it is a pump that can control the flow rate such as a metering pump while sufficiently stirring the reaction solution, and the pH at a liquid temperature of 25 ° C is 10 to It may be added so as to be in the range of 13 (! Comparative Example 3!).
  • the complexing agent is not particularly limited as long as it is an ammonium ion supplier, as long as it can form a nickel ammine complex in the reaction aqueous solution.
  • ammonia, ammonium sulfate, ammonium chloride, ammonium carbonate, ammonium fluoride and the like can be mentioned.
  • ammonium ion donors any one that forms the complex can be used, and examples thereof include ethylenediaminetetraacetic acid, nitrite triacetic acid, uracildiacetic acid and glycine.
  • ammonia water is more preferably used from the viewpoint of ease of handling and the like.
  • a region having an acceleration of 900 m / s 2 or more is provided, and when the slurry is passed through this region, particles grown into a different shape different from a spherical shape are subjected to a large shear force and are crushed and spheroidized. . And, the particle diameter grows while maintaining the spherical property. This will be explained more specifically.
  • the neutralization crystallization step a large number of secondary particles in which primary particles are aggregated are produced, and these become nickel-containing hydroxide particles. When a large number of secondary particles are bound by aggregation, it becomes irregular shaped particles with low sphericity.
  • Such irregularly shaped particles are sheared by acceleration in the slurry to reduce the number of aggregation, and eventually separate into individual secondary particles. As a result of separation, since it becomes spherical, it becomes spherical nickel-containing hydroxide particles that should be inherent.
  • the acceleration In the case of exerting the above shear force, it is effective to set the acceleration to 900 m / s 2 or more. On the contrary, if there is no region where the acceleration is 900 m / s2 or more, that is, if the maximum acceleration in the system is less than 900 m / s2, the shear force on the particles is insufficient, and the average particle diameter of 3.00 ⁇ m or less It is not preferable because it becomes difficult to obtain the particles possessed, and the sphericity tends to decrease.
  • any method may be used as long as the slurry can be provided with the necessary acceleration.
  • a pump as an acceleration application mechanism
  • a stirrer, a centrifuge or the like can be used.
  • the reason why the pump is efficient is that the acceleration of the slurry can be increased efficiently with lower energy.
  • an orifice or reducer in which the diameter of the flow path of the slurry is partially narrowed.
  • the stirrer 2 utilized for stirring in a tank can also be abbreviate
  • the manufacturing equipment shown in FIG. 1 is a reaction tank, 2 is a stirrer which stirs a slurry.
  • a pump 3 is connected to the reaction tank 1 by a suction pipe 4 and a return pipe 5 so that the pump 3 can apply an acceleration to the slurry.
  • the slurry can be introduced into the pump 3 from the reaction tank 1 and returned to the reaction tank 1 from the pump 3 by using the above-mentioned manufacturing equipment, that is, it can be accelerated continuously by small flow rate when it is circulated. Is preferable in that In such equipment, it is possible to provide an acceleration region of the slurry in the pump 3 or in the flow paths of the pump pipes 4 and 5.
  • the pump used in the present invention is preferably a centrifugal pump.
  • the centrifugal pump can accelerate the slurry radially outward by the impeller provided in the casing, and the acceleration can easily realize high acceleration by raising the rotational speed, so it is suitable for applications that accelerate the slurry at high speed, It is more suitable than other pumps.
  • a laser diffraction type particle size distribution analyzer (MT3300EX2 manufactured by Microtrac Bell Inc.) was used for measurement of particle size distribution.
  • a wet flow type particle size and shape analyzer (manufactured by Malvern Instruments Ltd., FPIA-3000) was used.
  • each sample of the reagent special grade reagent by Wako Pure Chemical Industries Ltd. was used for manufacture of nickel containing hydroxide.
  • Example 1 Add 40 L of pure water, 25% caustic soda solution as alkali metal hydroxide and 25% aqueous ammonia solution as complexing agent to a crystallization reaction vessel with a volume of 200 L with 4 baffles attached
  • the internal pH was adjusted to 12.40, and the ammonia concentration in the tank was adjusted to 12 g / L.
  • Example 2 In Example 1, the rotation speed was increased to 500 rpm using a 7.5 kW stirrer without using a centrifugal pump to obtain a nickel-containing hydroxide. The particle size distribution of the obtained nickel-containing hydroxide was measured. D10: 1.9 ⁇ m, D50: 2.3 ⁇ m, D90: 3.0 ⁇ m, volume average particle size: 2.5 ⁇ m, (D90-D10) / volume The average particle size was 0.44 and the roundness was 0.97.
  • Example 3 In Example 1, a nickel-cobalt-manganese mixed aqueous solution having a nickel molar concentration of 0.6 mol / L, a cobalt molar concentration of 0.6 mol / L, and a manganese molar concentration of 0.6 mol / L is used instead of the nickel-cobalt sulfate mixed aqueous solution.
  • the contained hydroxide was obtained.
  • the particle size distribution of the obtained nickel-containing hydroxide was measured. D10: 1.7 ⁇ m, D50: 2.0 ⁇ m, D90: 2.7 ⁇ m, volume average particle size: 2.2 ⁇ m, (D90-D10) / volume Average particle size: 0.45, circularity 0.97.
  • Example 1 Using the centrifugal pump in Example 1, a nickel-containing hydroxide was obtained at a frequency of 7 Hz (impeller rotational speed: 360 rpm). The particle size distribution of the obtained nickel-containing hydroxide was measured. D10: 2.9 ⁇ m, D50: 3.6 ⁇ m, D90: 4.8 ⁇ m, volume average particle size: 3.9 ⁇ m, (D90-D10) / volume The average particle size was 0.49, and the roundness was 0.94.
  • Example 2 A nickel-containing hydroxide was obtained using the stirrer in Example 2 at a rotational speed of 350 rpm. The particle size distribution of the obtained nickel-containing hydroxide was measured. D10: 3.4 ⁇ m, D50: 4.3 ⁇ m, D90: 5.5 ⁇ m, volume average particle size: 4.6 ⁇ m, (D90-D10) / volume The average particle size was 0.46 and the roundness was 0.93.
  • Example 3 A nickel-containing hydroxide was obtained using the stirrer in Example 2 at a rotational speed of 200 rpm. The particle size distribution of the obtained nickel-containing hydroxide was measured. D10: 2.1 ⁇ m, D50: 2.8 ⁇ m, D90: 4.0 ⁇ m, volume average particle size: 2.9 ⁇ m, (D90-D10) / MV It was 0.66 and circularity 0.91.
  • Comparative example 4 In Comparative Example 1, a nickel-cobalt-manganese mixed aqueous solution having a nickel molar concentration of 0.6 mol / L, a cobalt molar concentration of 0.6 mol / L, and a manganese molar concentration of 0.6 mol / L is used instead of the nickel-cobalt sulfate mixed aqueous solution.
  • the contained hydroxide was obtained.
  • the particle size distribution of the obtained nickel-containing hydroxide was measured. D10: 2.3 ⁇ m, D50: 2.9 ⁇ m, D90: 4.2 ⁇ m, volume average particle size: 3.0 ⁇ m, (D90-D10) / volume
  • the average particle size was 0.63 and the roundness was 0.90.
  • Example 1 to 3 and Comparative Examples 1 to 4 the acceleration at a position where the acceleration is maximum in the system was determined by simulation using general-purpose fluid analysis software.
  • fluid analysis software ANSYS CFX Ver 15.0 (trade name) manufactured by ANSYS was used.
  • the area handled in the rotational coordinate system is cylindrical, and its center line is superimposed on the stirring axis or the center line of the stirring blade, its diameter is set to 115% of the blade diameter of the stirring blade, and the vertical direction is stirred From the inner bottom of the tank to the liquid level.
  • the volume average particle diameter is 1.00 ⁇ m to 3.00 ⁇ m by reacting in a system having an area of 900 m / s 2 or more in the system, which is an index showing the spread of particle size distribution. It was confirmed that [(d90-d10) / volume average particle diameter] was 0.50 or less and particles having a circularity of 0.95 or more were obtained.
  • the mixing was performed using a shaker mixer apparatus (TURBULA Type T2C manufactured by Willie et Bakofen (WAB)).
  • the obtained mixture is calcined at 750 ° C. for 8 hours in an oxygen stream (oxygen: 100% by volume) in Examples 1 and 2 and Comparative Examples 1, 2 and 3, and in Example 3 and Comparative Example 4, the air flow
  • the mixture was calcined at 950 ° C. for 8 hours in medium (oxygen: 20% by volume), cooled and then crushed to obtain a positive electrode active material.
  • the volume average particle size and tap density of the positive electrode active material are shown in Table 2.
  • the tap density tends to decrease with the refinement of the particle size, but from Table 2, the tap density is small while the particle size is fine in Examples 1 and 2 It was confirmed that the energy density of the battery was improved. This is due to the high circularity of the precursor nickel composite hydroxide particles, in other words, the high sphericity.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

L'invention concerne un hydroxyde contenant du nickel et ayant une faible granulométrie, une répartition granulométrique étroite, une sphéricité élevée et son procédé de production. Cet hydroxyde contenant du nickel sert de matière première à une substance active d'électrode positive pour des batteries auxiliaires à électrolyte non aqueux et a un diamètre de particule moyen en poids de 1,00 à 3,00 µm, un étalement de la répartition granulométrique, exprimé par l'indice (d90-d10)/ poids, ne dépassant pas 0,50, et une circularité d'au moins 0,95. Ce procédé de production de l'hydroxyde contenant du nickel est caractérisé par une région dans laquelle l'accélération de la suspension comprenant des particules d'hydroxyde contenant du nickel atteignant au moins 900 m/s2 est présente dans un processus de cristallisation par neutralisation dans lequel une solution aqueuse contenant un sel métallique, un hydroxyde de métal alcalin, et un agent complexant sont fournis et amenés à réagir, tout en agitant une solution de réaction, et des particules d'hydroxyde contenant du nickel sont obtenues.
PCT/JP2018/045045 2017-12-13 2018-12-07 Hydroxyde contenant du nickel et procédé de production associé WO2019117027A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2019559600A JP7220849B2 (ja) 2017-12-13 2018-12-07 ニッケル含有水酸化物およびその製造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017238350 2017-12-13
JP2017-238350 2017-12-13

Publications (1)

Publication Number Publication Date
WO2019117027A1 true WO2019117027A1 (fr) 2019-06-20

Family

ID=66819241

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/045045 WO2019117027A1 (fr) 2017-12-13 2018-12-07 Hydroxyde contenant du nickel et procédé de production associé

Country Status (2)

Country Link
JP (1) JP7220849B2 (fr)
WO (1) WO2019117027A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2020202602A1 (fr) * 2019-03-29 2020-10-08
WO2021025101A1 (fr) * 2019-08-06 2021-02-11 株式会社田中化学研究所 Particules d'hydroxyde composite de nickel, matériau actif d'électrode positive ayant des particules d'hydroxyde composite de nickel en tant que précurseurs, et procédé de production de matériau actif d'électrode positive
CN115210187A (zh) * 2020-03-27 2022-10-18 株式会社田中化学研究所 含镍氢氧化物的制造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009515799A (ja) * 2005-08-12 2009-04-16 トダ・コウギョウ・ヨーロッパ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 無機化合物
WO2013125703A1 (fr) * 2012-02-23 2013-08-29 住友金属鉱山株式会社 Hydroxyde de nickel composite et procédé de production associé, matériau actif d'électrode positive pour batteries secondaires à électrolyte non aqueux et procédé de production associé, et batterie secondaire à électrolyte non aqueux
WO2017057311A1 (fr) * 2015-09-30 2017-04-06 住友金属鉱山株式会社 Hydroxyde composite contenant du nickel et du manganèse et son procédé de production
WO2017217370A1 (fr) * 2016-06-14 2017-12-21 住友金属鉱山株式会社 Procédé de production d'hydroxyde contenant du nickel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009515799A (ja) * 2005-08-12 2009-04-16 トダ・コウギョウ・ヨーロッパ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 無機化合物
WO2013125703A1 (fr) * 2012-02-23 2013-08-29 住友金属鉱山株式会社 Hydroxyde de nickel composite et procédé de production associé, matériau actif d'électrode positive pour batteries secondaires à électrolyte non aqueux et procédé de production associé, et batterie secondaire à électrolyte non aqueux
WO2017057311A1 (fr) * 2015-09-30 2017-04-06 住友金属鉱山株式会社 Hydroxyde composite contenant du nickel et du manganèse et son procédé de production
WO2017217370A1 (fr) * 2016-06-14 2017-12-21 住友金属鉱山株式会社 Procédé de production d'hydroxyde contenant du nickel

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2020202602A1 (fr) * 2019-03-29 2020-10-08
JP7229271B2 (ja) 2019-03-29 2023-02-27 Ｊｘ金属株式会社 全固体リチウムイオン電池用酸化物系正極活物質の前駆体の製造方法及び全固体リチウムイオン電池用酸化物系正極活物質の製造方法
WO2021025101A1 (fr) * 2019-08-06 2021-02-11 株式会社田中化学研究所 Particules d'hydroxyde composite de nickel, matériau actif d'électrode positive ayant des particules d'hydroxyde composite de nickel en tant que précurseurs, et procédé de production de matériau actif d'électrode positive
CN114207874A (zh) * 2019-08-06 2022-03-18 株式会社田中化学研究所 镍复合氢氧化物粒子、以镍复合氢氧化物粒子为前体的正极活性物质以及正极活性物质的制造方法
US20220158184A1 (en) * 2019-08-06 2022-05-19 Tanaka Chemical Corporation Nickel composite hydroxide particles, positive electrode active material using nickel composite hydroxide particles as precursors, and method for producing the same
EP4012806A4 (fr) * 2019-08-06 2023-09-06 Tanaka Chemical Corporation Particules d'hydroxyde composite de nickel, matériau actif d'électrode positive ayant des particules d'hydroxyde composite de nickel en tant que précurseurs, et procédé de production de matériau actif d'électrode positive
CN115210187A (zh) * 2020-03-27 2022-10-18 株式会社田中化学研究所 含镍氢氧化物的制造方法
CN115210187B (zh) * 2020-03-27 2024-02-13 株式会社田中化学研究所 含镍氢氧化物的制造方法

Also Published As

Publication number Publication date
JPWO2019117027A1 (ja) 2020-12-17
JP7220849B2 (ja) 2023-02-13

Similar Documents

Publication Publication Date Title
JP6358077B2 (ja) ニッケルコバルト複合水酸化物粒子とその製造方法、非水電解質二次電池用正極活物質とその製造方法、および、非水電解質二次電池
KR101644258B1 (ko) 니켈 복합 수산화물과 그의 제조 방법, 비수계 전해질 이차 전지용 정극 활물질과 그의 제조 방법, 및 비수계 전해질 이차 전지
JP5921705B2 (ja) リチウム複合遷移金属酸化物の前駆体製造用反応器及び前駆体の製造方法
JP5316726B2 (ja) ニッケル複合水酸化物とその製造方法、非水系電解質二次電池用正極活物質とその製造方法、および、非水系電解質二次電池
JP4941617B2 (ja) ニッケル複合水酸化物粒子および非水系電解質二次電池
JP5630593B2 (ja) ニッケル複合水酸化物、非水系電解質二次電池用正極活物質、非水系電解質二次電池、およびこれらの製造方法
TWI753429B (zh) 改善電池性能的穩定化高鎳nmc陰極材料
WO2012164752A1 (fr) Matériau actif d'électrode positive pour des batteries secondaires non aqueuses, son procédé de fabrication, et batterie secondaire à électrolyte non aqueux l'utilisant
WO2011067935A1 (fr) Particules d'hydroxyde complexe de nickel-cobalt-manganèse et leur procédé de production, matériau actif d'électrode positive pour batterie secondaire à électrolyte non aqueux et son procédé de production, et batterie secondaire à électrolyte non aqueux
JP6443084B2 (ja) 遷移金属複合水酸化物粒子とその製造方法、非水系電解質二次電池用正極活物質とその製造方法および非水系電解質二次電池
JP6252383B2 (ja) マンガンコバルト複合水酸化物及びその製造方法、正極活物質及びその製造方法、並びに非水系電解質二次電池
WO2012020768A1 (fr) Procédé de production pour un composé composite comprenant du nickel et du cobalt
WO2008091028A1 (fr) Oxyde de lithium et de métal de transition ayant une structure en couches
JP2013229339A (ja) 非水系二次電池用正極活物質及びその正極活物質を用いた非水系電解質二次電池
JP2011116580A5 (fr)
JP5776996B2 (ja) 非水系二次電池用正極活物質及びその正極活物質を用いた非水系電解質二次電池
US20220194814A1 (en) Process for precipitating a mixed hydroxide, and cathode active materials made from such hydroxide
WO2019117027A1 (fr) Hydroxyde contenant du nickel et procédé de production associé
WO2012020769A1 (fr) Procédé d'obtention d'un composé complexe de coordination contenant du nickel
JP2020510981A (ja) 改善された二次電池性能を有するカソード材料の前駆体及び前駆体を調製する方法
CN107922212B (zh) 锰镍复合氢氧化物及制造方法、锂锰镍复合氧化物及制造方法、以及非水系电解质二次电池
JP6409619B2 (ja) 遷移金属複合水酸化物粒子とその製造方法、非水系電解質二次電池用正極活物質とその製造方法、および、非水系電解質二次電池
CN109195919B (zh) 含镍氢氧化物的制造方法
JP6958315B2 (ja) ニッケル含有水酸化物の製造方法
JP7035497B2 (ja) ニッケル含有水酸化物の製造方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18889735

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2019559600

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18889735

Country of ref document: EP

Kind code of ref document: A1