CN107308898A - A kind of Fast back-projection algorithm device of ternary anode material of lithium battery presoma - Google Patents

A kind of Fast back-projection algorithm device of ternary anode material of lithium battery presoma Download PDF

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Publication number
CN107308898A
CN107308898A CN201710632162.0A CN201710632162A CN107308898A CN 107308898 A CN107308898 A CN 107308898A CN 201710632162 A CN201710632162 A CN 201710632162A CN 107308898 A CN107308898 A CN 107308898A
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dense
reactor
projection algorithm
dense device
filter stick
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CN201710632162.0A
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CN107308898B (en
Inventor
许开华
乐绪清
李涛
白亮
陈天斌
唐兴邦
吕志
李友福
杨开
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Gem Jiangsu Cobalt Industry Co Ltd
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Jingmen GEM New Material Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/04—Combinations of filters with settling tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B01J19/0066—Stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • 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
    • H01M4/362—Composites
    • H01M4/364—Composites as mixtures
    • 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
    • H01M4/502—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese for non-aqueous cells
    • 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
    • H01M4/523—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron for non-aqueous cells
    • 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

Abstract

The invention belongs to battery material manufacture field, and in particular to a kind of Fast back-projection algorithm device of ternary anode material of lithium battery presoma.Including reactor and dense device, there is overfall on the reactor, the overfall is connected with dense device, dense device bottom is connected by circulating pump with reactor, there is filter stick in the dense device, mother liquor through filter stick connects vacuum buffer tank after collecting through excessively stream gauge, pneumatic operated valve, and the vacuum buffer tank top is connected with vavuum pump, and bottom is connected with mother liquor holding tank.The ternary flow that the present apparatus, which can be played, to be strengthened dense effect, greatly improve synthesis, accelerates reaction speed, the yield of synthesis phase is improved, so as to improve yield, reduce cost.

Description

A kind of Fast back-projection algorithm device of ternary anode material of lithium battery presoma
Technical field
The invention belongs to battery material manufacture field, and in particular to a kind of ternary anode material of lithium battery presoma it is quick Synthesizer.
Background technology
Nickel cobalt manganese hydroxide is ternary resultant battery（Nickle cobalt lithium manganate）Positive electrode material precursor, ternary lighium polymer Battery is with low cost, high gram volume（>150mAh/g), operating voltage is matched with existing electrolyte, and security is good, and cyclicity is excellent It is good, the advantages of gram volume is high.Now it is widely used in the fields such as compact electric apparatus, electric tool, electric automobile.Nickel cobalt manganese hydroxide Reacted more than synthesis procedure using independent reactor, the below standard preceding material of particle diameter is by the direct overflow of overfall in course of reaction As defective work, in overflow always to kettle, particle diameter is qualified could be used as certified products.Progressively have producer make simple dense groove with Reactor connection makes material from simple dense groove overflow, due to that without stirring, can play sedimented particle effect in dense groove, can reduce Particle is lost in, and plays the solid content properly increased in reactor, but this method yield is not still good enough, and the reaction time is long.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of Fast back-projection algorithm of ternary anode material of lithium battery presoma Device.
A kind of Fast back-projection algorithm device of ternary anode material of lithium battery presoma, including reactor and dense device, it is described anti- Answering has overfall on kettle, the overfall is connected with dense device, and dense device bottom is connected by circulating pump with reactor, described dense There is filter stick in close device, the mother liquor through filter stick connects vacuum buffer tank, the vacuum buffer after collecting through excessively stream gauge, pneumatic operated valve Tank top is connected with vavuum pump, and bottom is connected with mother liquor holding tank.
As a kind of preferably reactor bottom also by centrifugal pump with being connected at the top of dense device.
When preparing ternary precursor, fed into reactor, liquid level rises to the overflow of overfall disposed slurry extremely in reactor In dense device, dense device bottom is connected with circulating pump, in circulating-pump outlet to reactor, for slurry blowback in dense device is anti- Answer in kettle.The filter stick rule of filtration fraction, which is arranged and collected, in dense device is connected to vacuum buffer tank, and part size is through filter stick mistake Particle in slurry is intercepted in dense device after filter, the slurry after concentration continues to react again by circulating pump blowback reactor, leads to The mother liquor of filter stick is then drained into vacuum buffer tank, and vacuum buffer tank is connected with vavuum pump, and vavuum pump continued operation ensures buffering Subnormal ambient in tank, persistently to carrying out taking out mother liquor operation in dense device.The mother liquor of accumulation obtains certain liquid level in vacuum buffer tank Mother liquor holding tank is then emitted into, is then further discharged after processing.
Filter stick in the dense device has nitrogen tube and DI to be used for filter stick pulse cleaning.
The reactor is also equipped with temperature measurer and pH meter.
The dense device is also equipped with liquid level gauge.
The present invention is slow in the synthesis phase speed of growth for nickel hydroxide cobalt-manganese ternary presoma, and the low problem of yield can The ternary flow for strengthening dense effect, greatly improving synthesis is played, accelerates reaction speed, improve the yield of synthesis phase, so that Improve yield, reduce cost.
Brief description of the drawings
Fig. 1, the structural representation of the Fast back-projection algorithm device of ternary anode material of lithium battery presoma, wherein, 1- overfalls； 2- reactors；The dense devices of 3-；4- vavuum pumps；5- circulating pumps；6- stirring motors；7- liquid level gauges；8- vacuum buffer tanks；9- filter sticks； 10- pneumatic operated valves；11- flowmeters；12- centrifugal pumps.
Embodiment
As shown in figure 1, a kind of Fast back-projection algorithm device of ternary anode material of lithium battery presoma, including reactor and dense There is overfall on device, the reactor, the overfall is connected with dense device, circulating pump and reactor phase are passed through in dense device bottom Even, there is filter stick in the dense device, the filtrate through filter stick connects vacuum buffer tank, institute after collecting through excessively stream gauge, pneumatic operated valve State vacuum buffer tank top to be connected with vavuum pump, bottom is connected with filtrate tanks.
When dense device negative pressure system failure, reactor can be started to dense device pump, be pumped into slurry in kettle by pump dense Close device carries out malleation press filtration.
When it is implemented, being fed into reactor, liquid level rises to the overflow of overfall disposed slurry to dense device in reactor It is interior.Nickel-cobalt-manganese ternary liquid, 15-40wt% NaOH solution, the 5-25wt% ammoniacal liquor of 70-120g/l concentration pass through flowmeter simultaneously In uniform feeding to reactor, pH control of the ternary flow quantity control in 300-1500L/h, sampling detection reactor exists Temperature measurer in 10.0-12.0, supernatant on ammonia density 2.0-12.0g/l, reactor is temperature automatically controlled at 40-70 DEG C.Work as reaction During kettle liquid position to reactor and dense device junction, in the dense device that liquid level overflow is 0.5-6.0m3 to volume in reactor, when Dense device liquid level gauge shows liquid level H1Dense device robot control system(RCS) automatically turns on dense device stirring during m（f=10-50Hz）, course of reaction In the stirring continuous running of dense device until qualified shutdown discharge.When dense device liquid level reaches H2During m, the row's of unlatching mother liquor pneumatic operated valve, Now vacuum buffer tank（Vacuum degree control is in 20 ~ 80KPa）Connected with dense device, vacuum buffer tank is by negative pressure by dense device Mother liquor detaches dense device, when in dense device liquid level to H3Arrange mother liquor pneumatic operated valve during m to close automatically, mother liquor is taken out in stopping.H1<H3<H2。 If during dense device negative pressure system failure when, the centrifugal pump of reactor bottom can be started, be pumped into slurry in kettle by pump dense In close device, press filtration is carried out by malleation and arranges mother liquor.So circulation, detects particle diameter to D when being sampled in building-up process from reactor50= Particle diameter is qualified during 9.0-20.0um, stops charging, completes synthesis.Reaction time is compared with traditional short 100-150% of mode, yield It can improve to 99%.
In production process, mother liquor is discharged it after the high-precision filter stick in dense device by negative pressure, solid particle Then stay in dense device cavity, the stirring power in dense device make it that slurry is in uniform state in dense device, then by dense device The slurry concentrated in dense device is pumped into normal reaction system in reactor by the circulating pump of bottom to be continued to react, until synthesizing The presoma product of lattice, if during dense device negative pressure system failure when, reactor can be started to dense device pump, by pump by kettle Interior slurry is pumped into dense device, and carrying out press filtration by malleation arranges mother liquor.Same system can be completed based on negative pressure leaching, malleation pressure Multi-functional operation supplemented by filter.The big filter area of dense device can complete the big metallic solution inlet amount of reaction system, can improve anti- Speed is answered, production efficiency is improved.The high-precision filter stick of dense device can the row of completion mother liquor intercept solid particle, completely solve anti- Overflow material before index is not qualified in reactor during answering wastes problem, substantially increases yield and specific yield.

Claims (5)

1. a kind of Fast back-projection algorithm device of ternary anode material of lithium battery presoma, it is characterised in that including reactor and dense There is overfall on device, the reactor, the overfall is connected with dense device, circulating pump and reactor phase are passed through in dense device bottom Even, there is filter stick in the dense device, the mother liquor through filter stick connects vacuum buffer tank, institute after collecting through excessively stream gauge, pneumatic operated valve State vacuum buffer tank top to be connected with vavuum pump, bottom is connected with mother liquor holding tank.
2. Fast back-projection algorithm device according to claim 1, it is characterised in that the filter stick in the dense device have nitrogen tube and DI is used for filter stick pulse cleaning.
3. Fast back-projection algorithm device according to claim 1, it is characterised in that the reactor is also equipped with temperature measurer and pH Meter.
4. Fast back-projection algorithm device according to claim 1, it is characterised in that the dense device is also equipped with liquid level gauge.
5. Fast back-projection algorithm device according to claim 1, it is characterised in that the reactor bottom also by centrifugal pump with Connected at the top of dense device.
CN201710632162.0A 2017-07-28 2017-07-28 Rapid synthesis device for ternary lithium battery anode material precursor Active CN107308898B (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109160545A (en) * 2018-07-24 2019-01-08 格林美股份有限公司 A kind of precursor of nickel-cobalt-lithium-manganese-oxide synthesizer
CN109896553A (en) * 2017-12-11 2019-06-18 河南科隆新能源股份有限公司 A kind of preparation method for the ball-shape nickel hydroxide cobalt manganese presoma that particle diameter distribution is narrow
CN109985597A (en) * 2018-01-02 2019-07-09 上海亚洲化学品有限公司 A kind of energy-efficient liquid phase mixture reaction unit
CN110102232A (en) * 2019-05-23 2019-08-09 傅荣华 Concentration systems are used in a kind of production of lithium battery persursor material
CN110723758A (en) * 2018-12-25 2020-01-24 北京当升材料科技股份有限公司 Lithium battery positive electrode material precursor synthesis device and method
CN111111590A (en) * 2019-12-27 2020-05-08 苏州清陶新能源科技有限公司 Method for stirring anode slurry
CN112209451A (en) * 2020-10-10 2021-01-12 中国科学院宁波材料技术与工程研究所 Multi-stage reaction system, lithium ion multi-element anode material precursor and preparation method thereof, and preparation method of lithium ion multi-element anode material
CN113750946A (en) * 2021-10-22 2021-12-07 上海安赐环保科技股份有限公司 Reaction for preparing battery anode material precursor and purification system and process thereof

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KR20160077388A (en) * 2014-12-22 2016-07-04 주식회사 포스코 Precursor preparation reactor used for lithium battery materials
CN106745100A (en) * 2016-12-23 2017-05-31 荆门市格林美新材料有限公司 The preparation system and preparation method of battery-level lithium carbonate
CN206980732U (en) * 2017-07-28 2018-02-09 荆门市格林美新材料有限公司 A kind of Fast back-projection algorithm device of ternary anode material of lithium battery presoma

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CN103301794A (en) * 2013-05-20 2013-09-18 江苏凯力克钴业股份有限公司 Reaction process concentration control method of precursor for lithium battery material
CN203602368U (en) * 2013-10-28 2014-05-21 浙江东瓯过滤机制造有限公司 Spherical nickel hydroxide continuous synthesis device
CN203577796U (en) * 2013-11-19 2014-05-07 深圳市格林美高新技术股份有限公司 Circular reaction device of spherical cobalt hydroxide
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109896553A (en) * 2017-12-11 2019-06-18 河南科隆新能源股份有限公司 A kind of preparation method for the ball-shape nickel hydroxide cobalt manganese presoma that particle diameter distribution is narrow
CN109985597A (en) * 2018-01-02 2019-07-09 上海亚洲化学品有限公司 A kind of energy-efficient liquid phase mixture reaction unit
CN109160545A (en) * 2018-07-24 2019-01-08 格林美股份有限公司 A kind of precursor of nickel-cobalt-lithium-manganese-oxide synthesizer
CN109160545B (en) * 2018-07-24 2021-01-05 格林美股份有限公司 Nickel cobalt lithium manganate precursor synthesizer
CN110723758A (en) * 2018-12-25 2020-01-24 北京当升材料科技股份有限公司 Lithium battery positive electrode material precursor synthesis device and method
CN110102232A (en) * 2019-05-23 2019-08-09 傅荣华 Concentration systems are used in a kind of production of lithium battery persursor material
CN111111590A (en) * 2019-12-27 2020-05-08 苏州清陶新能源科技有限公司 Method for stirring anode slurry
CN111111590B (en) * 2019-12-27 2022-04-22 苏州清陶新能源科技有限公司 Method for stirring anode slurry
CN112209451A (en) * 2020-10-10 2021-01-12 中国科学院宁波材料技术与工程研究所 Multi-stage reaction system, lithium ion multi-element anode material precursor and preparation method thereof, and preparation method of lithium ion multi-element anode material
CN113750946A (en) * 2021-10-22 2021-12-07 上海安赐环保科技股份有限公司 Reaction for preparing battery anode material precursor and purification system and process thereof
CN113750946B (en) * 2021-10-22 2023-12-22 上海安赐环保科技股份有限公司 Reaction for preparing battery anode material precursor and purification system and process thereof

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