CN107895791A - The classification handling process of nickel-cobalt-manganese ternary material precursor - Google Patents
The classification handling process of nickel-cobalt-manganese ternary material precursor Download PDFInfo
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- CN107895791A CN107895791A CN201711262605.8A CN201711262605A CN107895791A CN 107895791 A CN107895791 A CN 107895791A CN 201711262605 A CN201711262605 A CN 201711262605A CN 107895791 A CN107895791 A CN 107895791A
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- cobalt
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- 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
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- 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
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- 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
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- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The invention discloses a kind of classification handling process of nickel-cobalt-manganese ternary material precursor, the classification handling process of the nickel-cobalt-manganese ternary material precursor includes：Step S1：The nickel-cobalt-manganese ternary material precursor slurry being contained in synthesis reactor is injected in hypergravity grading plant and is classified to obtain the particle of the first predetermined size range and the particle of the second predetermined size range；Step S2：The particle of first predetermined size range obtained in step S1 is back in the synthesis reactor, repeat step S1 to step S2.According to the classification handling process of the nickel-cobalt-manganese ternary material precursor of the present invention, by the way that ternary material precursor slurry is injected in hypergravity grading plant, the nickel-cobalt-manganese ternary material precursor of different-grain diameter scope can be classified, and it is easily operated.Further, it is also possible to separate little particle in synthetic slurry, directly return in reactor, realize the serialization of reaction, technological process is simple, easily realizes industrialization.
Description
Technical field
The present invention relates to chemical technology field, the classification more particularly to a kind of nickel-cobalt-manganese ternary material precursor handles work
Skill.
Background technology
In correlation technique, there is certain deficiency in the method for producing ternary material precursor：Some is by caused little particle
Discarding does not recycle, and causes to waste；Some need increase dry sieve operation break-down increase process flow complexities；Some is to avoid small
Grain produces and uses discontinuous reactor, low production efficiency.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.Therefore, the present invention proposes a kind of nickel
The classification handling process of cobalt-manganese ternary material precursor, the classification handling process of the nickel-cobalt-manganese ternary material precursor are easy to grasp
Make, and treatment effeciency improves.
The classification handling process of nickel-cobalt-manganese ternary material precursor according to embodiments of the present invention, including：Step S1：It will contain
It is classified to obtain first in the nickel-cobalt-manganese ternary material precursor slurry injection hypergravity grading plant being placed in synthesis reactor pre-
It is sized the particle of scope and the particle of the second predetermined size range；Step S2：Obtained in step S1 described first is made a reservation for
The particle of size range is back in the synthesis reactor, repeat step S1 to step S2.
The classification handling process of nickel-cobalt-manganese ternary material precursor according to embodiments of the present invention, by by before ternary material
Drive in somaplasm material injection hypergravity grading plant, the nickel-cobalt-manganese ternary material precursor of different-grain diameter scope can be divided
Level, and it is easily operated.Further, it is also possible to separate little particle in synthetic slurry, directly return in reactor, realize reaction
Serialization, technological process is simple, easily realize industrialization.
In addition, the classification handling process of nickel-cobalt-manganese ternary material precursor according to the above embodiment of the present invention also has such as
Additional technical characteristic down：
According to some embodiments of the present invention, the particle of the average grain diameter in the first predetermined size range is mainly by institute
Hypergravity grading plant overflow discharge is stated, first predetermined size range meets：Average grain diameter is less than 6 μm.
Further, the particle of the average grain diameter in the second predetermined size range is attached to the hypergravity classification dress
On the cylinder inboard wall put, collect the particle being attached on the cylinder inboard wall of the hypergravity grading plant and filtration washing is dried.
Further, second predetermined size range partly overlaps or staggered with first predetermined size range.
According to some embodiments of the present invention, particle and second preliminary dimension when first predetermined size range
When the average grain diameter of the particle of scope is 6 μm -10 μm, the particle of first predetermined size range is without returning.
According to some embodiments of the present invention, the nickel-cobalt-manganese ternary material precursor slurry is delivered to described super by pump
In gravity classification device.
According to some embodiments of the present invention, the hypergravity grading plant includes：Fixed support；Cylinder, the cylinder
It is located on the fixed support, the cylinder has the slurry outlet for connecting its inner chamber；Rotary drum, the rotary drum are arranged on the cylinder
In vivo；Rotary drum motor, the rotary drum motor are located at the outer bottom of the cylinder and are connected with the rotary drum for driving described turn
Drum rotation；Input and output material pipeline, the lower end of the input and output material pipeline are adapted to extend into the rotary drum；Lowering or hoisting gear, the lifting dress
It is set in the outer top of the cylinder and is connected with the input and output material pipeline, the lowering or hoisting gear is connected with lifting motor to drive
The input and output material pipeline raising and lowering.
Further, the rotary drum motor is variable-frequency motor.
Alternatively, the rotating speed of the rotary drum is 150rpm-400rpm.
Alternatively, the time that the nickel-cobalt-manganese ternary material precursor slurry is handled in the rotary drum is 30min-
60min。
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the flow chart of the classification handling process of nickel-cobalt-manganese ternary material precursor according to embodiments of the present invention；
Fig. 2 is the grain size distribution of nickel-cobalt-manganese ternary material precursor according to embodiments of the present invention；
Fig. 3 is the microphotograph of nickel-cobalt-manganese ternary material precursor according to embodiments of the present invention；
Fig. 4 is a schematic diagram of hypergravity grading plant according to embodiments of the present invention.
Reference：
Hypergravity grading plant 100, cylinder 1, slurry outlet 11, baffle ring 12, rotary drum 2, rotary drum motor 3, input and output material pipeline
4, main line 41, bye-pass 42, lowering or hoisting gear 5, lifting motor 6, fixed support 7.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " on ", " under ", " vertical ", " level ",
The orientation or position relationship of the instruction such as " top ", " bottom " " interior ", " outer ", " axial direction ", " radial direction ", " circumference " are based on shown in the drawings
Orientation or position relationship, be for only for ease of the description present invention and simplify description, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.This
Outside, in the description of the invention, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
In correlation technique, the main preparation methods of ternary material precursor are coprecipitation, i.e., with aqueous slkali or carbonate
Solution is as precipitating reagent, the method for making nickel cobalt manganese metal ion precipitate completely.Method synthesis presoma has comprised at least four steps
Suddenly, it is respectively nucleation, growth, coalescence, aggregation procedure.And it is nucleated and grows two processes to ternary anode material precursor particle
Particle diameter and the feature such as size distribution, appearance structure influence it is obvious.Make the solid particle of precipitation uniform in size, can make nucleation and
Growth two processes separate, be easy to caused nucleus synchronously grow up, it is therefore necessary in building-up process that particle diameter is less
Particle separates with larger particles, so that smaller particle regrows.In addition, grain diameter size and homogeneity can influence three
The tap density of first positive electrode and chemical property etc..
However, there is certain deficiency in the method for nickel-cobalt-manganese ternary material：For example, due to increasing drying after particle is taken out
Screening process, technological process is complicated and the particle diameter of screening particle is small, higher to equipment requirement.Also the method having uses reaction of high order
Kettle overflow, it is more equipment to be present, and production process is interrupted, and is required for restarting when producing a collection of raw material per order reaction kettle, clearly
Sky, the problems such as complex operation.
Therefore, particle size in nickel-cobalt-manganese ternary material precursor is differed using gravity Method the invention provides one kind
Particle carry out serialization classification method.
The classification handling process of nickel-cobalt-manganese ternary material precursor according to embodiments of the present invention is described below in conjunction with the accompanying drawings.
Specifically, as Figure 1-Figure 4, at the classification of nickel-cobalt-manganese ternary material precursor according to embodiments of the present invention
Science and engineering skill, including：Step S1：By the nickel-cobalt-manganese ternary material precursor slurry being contained in synthesis reactor injection hypergravity classification dress
Put the middle particle for being classified to obtain the first predetermined size range and the particle of the second predetermined size range；Step S2：By step
The particle of the first predetermined size range obtained in S1 is back in the synthesis reactor, repeat step S1 to step S2.By super
The nickel-cobalt-manganese ternary material precursor of different-grain diameter scope can be classified by gravity classification device, and easily operated.
Wherein, presoma, a kind of existence form before target product is exactly obtained, is with organic and inorganic complex mostly
Also it is with solation with the presence of part or mixture solid is present.Synthesis reactor is under the conditions of certain temperature, certain pressure
The reactor that synthetic chemical provides.
Due to the reaction principle of coprecipitation production ternary material precursor, cause little particle inevitably to produce, join
According to Fig. 2 and Fig. 3.Recovery little particle rejoins reactor growth, can both reduce waste, can ensure the equal of granular grows again
Even property.
Reference picture 2, there is the particle to differ in size, it is necessary to enter to it point in nickel-cobalt-manganese ternary material precursor material
Level, wherein, the curve representative diameter (unit μm) at label A, the curve at label B represents percentage composition.Reference picture 3, show
Micro mirror picture sees the pattern of particle, differs in size.
The classification handling process of nickel-cobalt-manganese ternary material precursor according to embodiments of the present invention, by by before ternary material
Drive in somaplasm material injection hypergravity grading plant, the nickel-cobalt-manganese ternary material precursor of different-grain diameter scope can be divided
Level, and it is easily operated.Further, it is also possible to separate little particle in synthetic slurry, directly return in reactor, realize reaction
Serialization, technological process is simple, easily realize industrialization.
According to some embodiments of the present invention, particle of the average grain diameter in the first predetermined size range is mainly by hypergravity
Grading plant overflow is discharged, and the first predetermined size range meets：Average grain diameter is less than 6 μm.Will in use hypergravity grading plant
When particle in the range of different-grain diameter is classified, particle of the average grain diameter less than 6 μm is mainly by hypergravity grading plant overflow
Discharge.
Here it is possible to understand, particle of the part average grain diameter less than 6 μm may also be attached to hypergravity grading plant
Cylinder inboard wall on.
Further, particle of the average grain diameter in the second predetermined size range is attached to the cylinder of hypergravity grading plant
On inwall, collect the particle being attached on the cylinder inboard wall of hypergravity grading plant and filtration washing is dried.It is easy to entering for particle
One step collection is handled.
Further, the second predetermined size range partly overlaps with the first predetermined size range.For example, most of be attached to
The average grain diameter of particle on the cylinder inboard wall of hypergravity grading plant is more than 6 μm, and the average grain diameter for also having partial particulate is less than 6
μm。
In certain embodiments, the second predetermined size range can stagger with the first predetermined size range.For example, second is pre-
The minimum value for being sized scope is more than the maximum of the first predetermined size range.
According to some embodiments of the present invention, as the particle of the first predetermined size range and of the second predetermined size range
When the average grain diameter of grain is 6 μm -10 μm, the particle of first predetermined size range is without returning.That is, when using super
The average grain diameter of the particle for the first predetermined size range that gravity classification device is isolated and the particle of the second predetermined size range
When in the range of 6 μm -10 μm, the particle of first predetermined size range need not be returned again into reactor.
According to some embodiments of the present invention, nickel-cobalt-manganese ternary material precursor slurry is delivered to hypergravity by pump and is classified
In device.Thus, power can be provided for nickel-cobalt-manganese ternary material precursor slurry by pump, be easy to nickel-cobalt-manganese ternary material
Precursor pulp is delivered to the classification that hypergravity grading plant realizes the particle in the range of different-grain diameter.
According to some embodiments of the present invention, as shown in Fig. 2 hypergravity grading plant 100 according to embodiments of the present invention,
Including：Fixed support 7, cylinder 1, rotary drum 2, rotary drum motor 3, input and output material pipeline 4 and lowering or hoisting gear 5.
Specifically, cylinder 1 is located on fixed support 7 (such as welding etc.), and there is cylinder 1 slurry for connecting its inner chamber to go out
Mouth 11, can further be discharged the slurry in cylinder 1 by slurry outlet 11.
Rotary drum 2 is arranged in cylinder 1.The material of cylinder 1 can be stainless steel, titanium etc., and cylinder 1 can not only protect rotary drum
2, moreover it is possible to prevent overflow slurry from splashing.
For example, rotary drum 2 can be located at the bottom in cylinder 1, and the relative position of rotary drum 2 and cylinder 1 is fixed, rotary drum 2
Top can open wide, or on rotary drum 2 formed with connection cylinder 1 inner chamber feed inlet and outlet.
Rotary drum motor 3 is located at outside cylinder 1, and rotary drum motor 3 is connected with rotary drum 2 to drive rotary drum 2 to rotate.Rotary drum 2 can
To be made up of stainless steel or titanium etc., rotary drum motor 3 can be located at the lower section of rotary drum 2, and rotary drum 2 can be driven by rotary drum motor 3
Rotation produces hypergravity at a high speed, is advantageous to the separation of slurry.
Here hypergravity refer to rotary drum 2 rotate at a high speed caused by centrifugal force, rotary drum 2 rotate acceleration be more than gravity
Acceleration.
The lower end of input and output material pipeline 4 is adapted to extend into rotary drum 2.By the way that input and output material pipeline 4 is stretched into rotary drum 2, be easy to
Addition slurry in rotary drum 2, or extract slurry out from rotary drum 2, it is easily operated.
Lowering or hoisting gear 5 is located at outside cylinder 1, and lowering or hoisting gear 5 is connected with input and output material pipeline 4, and lowering or hoisting gear 5 is connected with liter
Motor 6 drops to be driven in and out the raising and lowering of pipe material 4.By lowering or hoisting gear 5 and lifting motor 6, can automatic lifting or under
Input and output material pipeline 4 drops, and it is easy to operate.
Wherein, slurry can be injected in rotary drum 2 via input and output material pipeline 4, drive rotary drum 2 to revolve at a high speed by rotary drum motor 3
Change the line of production raw hypergravity, the slurry of different specific weight can be layered, so as to be advantageous to the separation of slurry, easily operated and separative efficiency
It is high.
Hypergravity grading plant 100 according to embodiments of the present invention, slurry can be injected in rotary drum 2 by input and output material pipeline 4,
Drive rotary drum 2 to rotate at a high speed by rotary drum motor 3 and produce hypergravity, the slurry of different specific weight can be layered, so as to be advantageous to
The separation of slurry, easily operated and separative efficiency are high.
Referring to Figures 1 and 2, according to some embodiments of the present invention, rotary drum motor 3 is located at the bottom outside cylinder 1, rotary drum electricity
Machine 3 is connected (such as gear drive, V belt translation etc.) with rotary drum 2, by rotary drum motor 3 rotary drum 2 can be driven to rotate at a high speed,
Be advantageous to the further separation of slurry.
Lowering or hoisting gear 5 is located at the top outside cylinder 1.It is easy to the installation of lowering or hoisting gear 5, and is advantageous to improve hypergravity classification
The automaticity of device 100, improve efficiency.
According to some embodiments of the present invention, formed with extending downwardly and relative with the output shaft of rotary drum motor 3 on rotary drum 2
Axle portion, rotary drum 2 is connected by shaft coupling with rotary drum motor 3.In other words, on rotary drum 2 formed with axle portion, axle portion can be to downward
Stretch, and axle portion can be relative with the output shaft of rotary drum motor 3, thus, is easy to realize rotary drum 2 and rotary drum motor by shaft coupling
Being reliably connected between 3.
As shown in Fig. 2 according to some embodiments of the present invention, input and output material pipeline 4 includes：Main line 41 and bye-pass 42,
(above-below direction shown in reference picture 2) extends main line 41 along the vertical direction；Bye-pass 42 is located at the lower end of main line 41, and
And bye-pass 42 connects with main line 41, bye-pass 42 can include the multiple of one or circumferentially spaced arrangement.Thus, to
In input and output material pipeline 4 during injection slurry, slurry can pass through bye-pass 42 and inject rotary drum 2 first via main line 41
It is interior, be advantageous to slurry and be uniformly distributed in rotary drum 2.
In addition, input and output material pipeline 4 can make slurry enter rotary drum 2 in, input and output material pipeline 4 can also be by rotary drum 2 from inside to outside
Discharge, flushing water can also be injected into rotary drum 2 by input and output material pipeline 4.
Reference picture 2, according to some embodiments of the present invention, the bottom of cylinder 1 is in the taper to contract from top to bottom.Turn
The slurry that drum 2 overflows during high speed rotates, which is easy to slide downwards via cylinder 1, to be built up, and is easy to further leading for slurry
Go out.
Further, can be formed on the bottom wall of cylinder 1 with reference to Fig. 2, slurry outlet 11.So that it is accumulated to the bottom of cylinder 1
The slurry in portion can discharge via slurry outlet 11.
Further, reference picture 2, the inner bottom surface of cylinder 1 is formed with upwardly extending and be spaced apart with the exterior bottom wall of rotary drum 2
Baffle ring 12.That is, the inner bottom surface of cylinder 1 can upwardly extend formed with baffle ring 12, baffle ring 12, and baffle ring 12 and rotary drum
2 exterior bottom wall can be spaced apart.By setting baffle ring 12, it can prevent slurry from flowing into rotary drum motor 3 and rotary drum motor 3 with turning
The junction of drum 2, fault rate is advantageously reduced, ensure the use reliability of hypergravity grading plant 100.
Further, stagger in the vertical direction with slurry outlet 11 with reference to Fig. 1, baffle ring 12, slurry outlet 11 can be with
Positioned at the outside of baffle ring 12.Preferably, baffle ring 12 is coaxial with rotary drum motor 3.As a result, the structure of hypergravity grading plant 100
Compact and reasonable.
According to some embodiments of the present invention, rotary drum motor 3 is variable-frequency motor, and the frequency of rotary drum motor 3 is 0-50Hz.By
This, rotary drum motor 3 can realize stepless time adjustment function after connecting frequency converter, control rotary drum rotating speed, preferably drive rotary drum 2 to revolve
Turn, realize the separation of slurry.
Hypergravity grading plant 100 according to embodiments of the present invention, rotary drum 2 is driven to rotate production at a high speed using rotary drum motor 3
Raw hypergravity so that the material of different grain size or proportion is layered in hypergravity grading plant 100 in slurry, and is continuously exported
Fine grained overflow, coarse granule are periodically taken away, and impurity content is extremely low in fine grained valuable material, and coarse granule volume is few.
Further, rotary drum motor 3 is variable-frequency motor, and the rotating speed of rotary drum 2 is 150rpm-400rpm.Thus, by turning
Drum motor 3 can preferably drive rotary drum 2 to rotate at a high speed and produce hypergravity, so as to which the slurry of different specific weight be layered, be easy to expect
The separation of slurry.
Wherein, the rotating speed of rotary drum 2 can be 150rpm, 200rpm, 250rpm, 300rpm, 350rpm or 400rpm etc..
Alternatively, the time that aluminium hydroxide is handled in rotary drum is 30min-60min.Thus, be advantageous to make different-grain diameter
The aluminium hydroxide of scope is sufficiently separated, so as to improve separating effect.
Wherein, the time that nickel-cobalt-manganese ternary material precursor slurry is handled in rotary drum can be 30min, 40min,
50min or 60min etc..
The specific reality of classification handling process according to nickel-cobalt-manganese ternary material precursor of the present invention is described below in conjunction with the accompanying drawings
Apply example.
Nickel-cobalt-manganese ternary material precursor slurry containing the particle that differs in size, by being pumped into hypergravity separation equipment
In separated, adjustment drum speed (150-400 revs/min) and disengaging time (30-60min), the little particle that overflow is gone out
It is back in synthesis reactor, remaining bulky grain can be filtered washing and dry collection.
Other of the classification handling process of nickel-cobalt-manganese ternary material precursor according to embodiments of the present invention are formed and grasped
Work is all for those of ordinary skills known, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the feature for combining the embodiment or example description
It is contained at least one embodiment or example of the present invention.In this manual, need not to the schematic representation of above-mentioned term
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be any
Combined in an appropriate manner in individual or multiple embodiments or example.In addition, in the case of not conflicting, the technology of this area
Different embodiments or example and the feature of different embodiments or example described in this specification can be combined by personnel
And combination.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
- A kind of 1. classification handling process of nickel-cobalt-manganese ternary material precursor, it is characterised in that including：Step S1：The nickel-cobalt-manganese ternary material precursor slurry being contained in synthesis reactor is injected in hypergravity grading plant and carried out Classification obtains the particle of the first predetermined size range and the particle of the second predetermined size range；Step S2：The particle of first predetermined size range obtained in step S1 is back in the synthesis reactor, repeated Step S1 to step S2.
- 2. the classification handling process of nickel-cobalt-manganese ternary material precursor according to claim 1, it is characterised in that average grain The particle of the footpath in the first predetermined size range is mainly discharged by the hypergravity grading plant overflow, and described first is predetermined Size range meets：Average grain diameter is less than 6 μm.
- 3. the classification handling process of nickel-cobalt-manganese ternary material precursor according to claim 2, it is characterised in that average grain The particle of the footpath in the second predetermined size range is attached on the cylinder inboard wall of the hypergravity grading plant, collects attachment Particle and filtration washing on the cylinder inboard wall of the hypergravity grading plant are dried.
- 4. the classification handling process of nickel-cobalt-manganese ternary material precursor according to claim 3, it is characterised in that described Two predetermined size ranges partly overlap or staggered with first predetermined size range.
- 5. the classification handling process of nickel-cobalt-manganese ternary material precursor according to claim 1, it is characterised in that when described It is described when the average grain diameter of the particle of first predetermined size range and the particle of second predetermined size range is 6 μm -10 μm The particle of first predetermined size range is without returning.
- 6. the classification handling process of nickel-cobalt-manganese ternary material precursor according to claim 1, it is characterised in that the nickel Cobalt-manganese ternary material precursor slurry is delivered in the hypergravity grading plant by pump.
- 7. the classification handling process of the nickel-cobalt-manganese ternary material precursor according to any one of claim 1-6, its feature It is, the hypergravity grading plant includes：Fixed support；Cylinder, the cylinder are located on the fixed support, and the cylinder has the slurry outlet for connecting its inner chamber；Rotary drum, the rotary drum are arranged in the cylinder；Rotary drum motor, the rotary drum motor are located at the outer bottom of the cylinder and are connected with the rotary drum for driving the rotary drum Rotation；Input and output material pipeline, the lower end of the input and output material pipeline are adapted to extend into the rotary drum；Lowering or hoisting gear, the lowering or hoisting gear are located at the outer top of the cylinder and are connected with the input and output material pipeline, the lifting Device is connected with lifting motor to drive the input and output material pipeline raising and lowering.
- 8. the classification handling process of nickel-cobalt-manganese ternary material precursor according to claim 7, it is characterised in that described turn Drum motor is variable-frequency motor.
- 9. the classification handling process of nickel-cobalt-manganese ternary material precursor according to claim 7, it is characterised in that described turn Bulging rotating speed is 150rpm-400rpm.
- 10. the classification handling process of nickel-cobalt-manganese ternary material precursor according to claim 7, it is characterised in that described The time that nickel-cobalt-manganese ternary material precursor slurry is handled in the rotary drum is 30min-60min.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258235A (en) * | 2018-01-12 | 2018-07-06 | 宜宾光原锂电材料有限公司 | A kind of method that fractional order reaction prepares nickel-cobalt-manganese ternary persursor material |
| CN109502657A (en) * | 2018-12-26 | 2019-03-22 | 柳州申通汽车科技有限公司 | A kind of preparation method of continous way nickel-cobalt-manganese ternary presoma |
| CN109860542A (en) * | 2018-12-25 | 2019-06-07 | 河南科隆新能源股份有限公司 | A kind of preparation method of lithium ion anode material presoma |
| CN109950535A (en) * | 2019-03-20 | 2019-06-28 | 兰州金川新材料科技股份有限公司 | A method of filtrate secondary crystallization, which is worn, using hydroxide washing continuously synthesizes presoma |
| CN112495296A (en) * | 2020-11-26 | 2021-03-16 | 荆门市格林美新材料有限公司 | Device and method for improving mixing uniformity of nickel-cobalt-manganese ternary precursor particles |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101637743A (en) * | 2008-09-12 | 2010-02-03 | 大连隆田科技有限公司 | Method for separating superfine powder |
| CN203112531U (en) * | 2013-03-01 | 2013-08-07 | 湖南邦普循环科技有限公司 | Reaction system with controllable particle size distribution |
| CN103943847A (en) * | 2014-04-21 | 2014-07-23 | 中信国安盟固利电源技术有限公司 | Method for preparing nickel-cobalt-manganese ternary material precursor |
| CN104661963A (en) * | 2012-09-28 | 2015-05-27 | 住友金属矿山株式会社 | Nickel-cobalt compound hydroxide and method and device for producing same, positive electrode active substance for nonaqueous electrolyte secondary cell and method for producing same, and nonaqueous electrolyte secondary cell |
-
2017
- 2017-12-04 CN CN201711262605.8A patent/CN107895791A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101637743A (en) * | 2008-09-12 | 2010-02-03 | 大连隆田科技有限公司 | Method for separating superfine powder |
| CN104661963A (en) * | 2012-09-28 | 2015-05-27 | 住友金属矿山株式会社 | Nickel-cobalt compound hydroxide and method and device for producing same, positive electrode active substance for nonaqueous electrolyte secondary cell and method for producing same, and nonaqueous electrolyte secondary cell |
| CN203112531U (en) * | 2013-03-01 | 2013-08-07 | 湖南邦普循环科技有限公司 | Reaction system with controllable particle size distribution |
| CN103943847A (en) * | 2014-04-21 | 2014-07-23 | 中信国安盟固利电源技术有限公司 | Method for preparing nickel-cobalt-manganese ternary material precursor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258235A (en) * | 2018-01-12 | 2018-07-06 | 宜宾光原锂电材料有限公司 | A kind of method that fractional order reaction prepares nickel-cobalt-manganese ternary persursor material |
| CN108258235B (en) * | 2018-01-12 | 2020-08-07 | 宜宾光原锂电材料有限公司 | Method for preparing nickel-cobalt-manganese ternary precursor material through hierarchical reaction |
| CN109860542A (en) * | 2018-12-25 | 2019-06-07 | 河南科隆新能源股份有限公司 | A kind of preparation method of lithium ion anode material presoma |
| CN109502657A (en) * | 2018-12-26 | 2019-03-22 | 柳州申通汽车科技有限公司 | A kind of preparation method of continous way nickel-cobalt-manganese ternary presoma |
| CN109950535A (en) * | 2019-03-20 | 2019-06-28 | 兰州金川新材料科技股份有限公司 | A method of filtrate secondary crystallization, which is worn, using hydroxide washing continuously synthesizes presoma |
| CN109950535B (en) * | 2019-03-20 | 2022-04-29 | 兰州金川新材料科技股份有限公司 | Method for continuously synthesizing precursor by washing filter material with hydroxide and secondary crystallization |
| CN112495296A (en) * | 2020-11-26 | 2021-03-16 | 荆门市格林美新材料有限公司 | Device and method for improving mixing uniformity of nickel-cobalt-manganese ternary precursor particles |
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