CN110451587A - A kind of ternary precursor preparation system - Google Patents

A kind of ternary precursor preparation system Download PDF

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Publication number
CN110451587A
CN110451587A CN201910785739.0A CN201910785739A CN110451587A CN 110451587 A CN110451587 A CN 110451587A CN 201910785739 A CN201910785739 A CN 201910785739A CN 110451587 A CN110451587 A CN 110451587A
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tank
kettle
aging
reaction kettle
preparation
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CN201910785739.0A
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曹维祖
李国锋
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Dongguan Honghu Intelligent Equipment Co Ltd
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Dongguan Honghu Intelligent Equipment Co Ltd
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Priority to CN201910785739.0A priority Critical patent/CN110451587A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/82—Combinations of dissimilar mixers
    • B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
    • 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
    • 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
    • B01J19/18—Stationary reactors having moving elements inside
    • 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
    • B01J19/24—Stationary reactors without moving elements inside
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • C01G53/006—Compounds containing, besides nickel, two or more other elements, with the exception of oxygen or hydrogen
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/32—Spheres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/40—Electric properties
    • 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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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The invention discloses a kind of ternary precursor preparation systems, including feed proportioning system, synthesis control system, ageing system, washing and filter pressing system and drying system；Wherein, the feed proportioning system includes that salt-mixture prepares kettle, additive solution preparing tank；The synthesis control system includes reaction kettle, alkali storage tank and tank used for storing ammonia, and the reaction kettle is prepared kettle with salt-mixture and is connected to, and the alkali storage tank and tank used for storing ammonia are connected to reaction kettle；The ageing system includes aging reactor, and the aging reactor is connected to reaction kettle and additive solution preparing tank respectively, and agitating device is equipped in the aging reactor, and the aging reactor is additionally provided with collet；The washing and filter pressing system includes filter press and mother liquor non-conservation tank, and the aging reactor is connected to sealed filter press and mother liquor non-conservation tank respectively；The drying system includes the heated-air circulation oven that the product of washing filtering is dried.The granular precursor of closely knit particle, good sphericity, narrow particle size distribution can be made in the system.

Description

Ternary precursor preparation system
Technical Field
The invention relates to the technical field of hydrogen production devices, in particular to a ternary precursor preparation system.
Background
The key material of the lithium ion battery is a positive electrode material, which accounts for about 30% of the cost of the lithium ion battery, and lithium cobaltate, a ternary material, lithium manganate and lithium iron phosphate are mainly applied in the current market. The lithium nickel cobalt manganese oxide material is a novel lithium battery positive electrode material; compared with other anode materials, the anode material has the advantages of high mass specific capacity, low cost, good thermal stability and high energy density, and is widely applied to the fields of digital electronic products, electric tools, electric bicycles and the like. The ternary material is prepared by mixing a ternary precursor and a lithium source and then sintering at high temperature. The nickel-cobalt-manganese hydroxide is a widely used ternary precursor material, has a chemical general formula of NixCoyMnz (OH)2, is specifically synthesized by taking nickel salt, cobalt salt and manganese salt as raw materials and adjusting the specific dosage ratio (x: y: z) of nickel, cobalt and manganese according to actual needs.
At present, the nickel-cobalt-manganese hydroxide ternary precursor is usually prepared by a crystallization coprecipitation method, however, nickel-cobalt-manganese hydroxide generated in the preparation process is very easy to oxidize after contacting air, the whole reaction kettle needs to be kept in a sealed state, and for production safety, in the existing reaction process, the concentrations of a nickel-cobalt-manganese salt solution and sodium hydroxide in the reaction kettle cannot be too high, so that the problems of too fine or too large particle size of prepared crystals, immature part of crystals, loose particle surface structures and the like often occur, and further the serious waste of production materials is caused.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a ternary precursor preparation system, which can prepare precursor particles with compact particles, good sphericity and narrow particle size distribution.
The technical scheme adopted by the invention for solving the problems in the prior art is as follows: a ternary precursor preparation system comprises a batching system, a synthesis control system, an aging system, a washing and filter-pressing system and a drying system; wherein,
the batching system comprises a mixed salt preparation kettle for mixing sulfate crystals, pure water and the like, and an additive solution preparation tank for preparing additives such as a precipitator and the like;
the synthesis control system comprises a reaction kettle, an alkali storage tank and an ammonia water storage tank, wherein the reaction kettle is used for reacting mixed salt, alkali and ammonia water, the reaction kettle is communicated with the mixed salt preparation kettle, and the alkali storage tank and the ammonia water storage tank are communicated with the reaction kettle;
the aging system comprises an aging kettle for aging the solution after reaction, the aging kettle is respectively communicated with the reaction kettle and the additive solution preparation tank, a stirring device is arranged in the aging kettle, and the aging kettle is also provided with a jacket for maintaining and adjusting the temperature in the aging kettle;
the washing and filter-pressing system comprises a sealed filter press and a mother liquor transfer tank, wherein the sealed filter press is used for washing and filtering an aged product, a ternary precursor and a mother liquor are generated after aging in the aging kettle, and the aging kettle is respectively communicated with the sealed filter press and the mother liquor transfer tank; the ternary precursor falls into a filter press for washing and filtering, and the mother liquor flows into a mother liquor turnover tank;
the drying system comprises a hot air circulation drying oven for drying the washed and filtered product, the hot air circulation drying oven is communicated with the filter press, and the hot air circulation drying oven is used for drying and discharging the ternary precursor filtered and washed by the filter press.
As the preferred scheme of the invention, the batching system also comprises a crystal storage tank and a pure water storage tank; the crystal storage tank and the pure water storage tank are communicated with the mixed salt preparation kettle, and a weighing device is arranged between the crystal storage tank and the mixed salt preparation kettle.
As the preferable scheme of the invention, the synthesis system also comprises a mixed salt balance tank, a liquid caustic soda balance tank and an ammonia level balance tank; one end of the mixed salt balancing tank is connected with the mixed salt preparation kettle, and the other end of the mixed salt balancing tank is connected with the reaction kettle; one end of the liquid caustic soda balance tank is connected with the caustic soda storage tank, and the other end of the liquid caustic soda balance tank is connected with the reaction kettle; one end of the ammonia water balance tank is connected with the ammonia water storage tank, and the other end of the ammonia water balance tank is connected with the reaction kettle.
As the preferable scheme of the invention, an additive metering pump is also arranged between the additive solution preparation tank and the aging kettle; a mixed salt metering pump is arranged between the mixed salt balance tank and the reaction kettle; a liquid caustic soda metering pump is arranged between the liquid caustic soda balancing tank and the reaction kettle; and an ammonia water metering pump is arranged between the ammonia water balance tank and the reaction kettle.
As a preferred scheme of the invention, the preparation system is also provided with a demagnetization system, and the demagnetization system comprises a pipeline iron remover and an electromagnetic iron remover; the pipeline iron remover is arranged on each connecting pipeline of the preparation system; the electromagnetic iron remover is arranged at the discharge port of the hot air circulation oven and is used for demagnetizing the ternary precursor.
As a preferable scheme of the invention, an ammonia gas absorption device is further arranged on one side of the preparation system.
As a preferable scheme of the invention, one side of the preparation system is also provided with a dust removal system.
Compared with the prior art, the invention has the following technical effects:
according to the ternary precursor preparation system, the mixed salt balance tank, the liquid alkali balance tank and the ammonia level balance tank are arranged, so that the temperature and the pH value of the raw materials in each tank can be accurately detected and controlled, the temperature and the pH value of a reaction system are further controlled, meanwhile, the stirring device is arranged in the aging kettle, the stirring speed of the stirring device is controlled, and ternary precursor particles with compact particles, good sphericity and narrow particle size distribution can be prepared.
Drawings
FIG. 1 is a block diagram of a ternary precursor preparation system of the present invention.
Reference numbers in the figures: 1-crystal storage tank; 2-a pure water storage tank; 3-mixed salt preparation kettle; 4-a weighing device; 5-an alkali storage tank; 6-ammonia water storage tank; 7-mixed salt balancing tank; 8-liquid caustic soda balancing tank; 9-ammonia level balance tank; 10-a reaction kettle; 11-mixed salt metering pump; 12-liquid caustic soda dosing pump; 13-ammonia water metering pump; 14-an additive solution preparation tank; 15-additive dosing pump; 16-an aging kettle; 17-a stirring device; 18-a jacket; 19-a filter press; 20-mother liquor transfer tank; 21-hot air circulation oven.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
A ternary precursor preparation system comprises a batching system, a synthesis control system, an aging system, a washing and filter-pressing system and a drying system; wherein,
the batching system comprises a mixed salt preparing kettle 3 for mixing sulfate crystals, pure water and the like, and an additive solution preparing tank 14 for preparing additives such as a precipitator and the like;
the sulfate crystals comprise nickel sulfate, cobalt sulfate and manganese sulfate crystals, the sulfate crystals are stored in a crystal storage tank 1, pure water is stored in a pure water storage tank 2, the crystal storage tank 1 and the pure water storage tank 2 are communicated with a mixed salt preparation kettle 3, and the sulfate crystals and the pure water are prepared into mixed salt in the mixed salt preparation kettle 3.
Further, a weighing device 4 is arranged between the crystal storage tank 1 and the mixed salt preparation kettle 3, and the sulfate crystals are accurately weighed by the weighing device 4 before falling into the mixed salt preparation kettle 3.
The batching system also comprises an alkali storage tank 5 and an ammonia water storage tank 6; and the alkali storage tank 5 and the ammonia water storage tank 6 are communicated with the reaction kettle 10.
The synthesis control system comprises a reaction kettle 10 for reacting mixed salt, alkali and ammonia water, wherein the reaction kettle 10 is respectively communicated with a mixed salt preparation kettle 3; the mixed salt in the mixed salt preparation kettle 3, the alkali in the alkali storage tank 5 and the ammonia water solution in the ammonia water storage tank 6 enter a reaction kettle 10 for reaction;
the further synthesis system also comprises a mixed salt balance tank 7, a liquid caustic soda balance tank 8 and an ammonia level balance tank 9; one end of the mixed salt balancing tank 7 is connected with the mixed salt preparation kettle 3, and the other end is connected with the reaction kettle 10; one end of the liquid caustic soda balance tank 8 is connected with the caustic soda storage tank 5, and the other end is connected with the reaction kettle 10; one end of the ammonia water balance tank 9 is connected with the ammonia water storage tank 6, and the other end is connected with the reaction kettle 10;
the mixed salt in the mixed salt preparation kettle 3 enters a mixed salt balancing tank 7 to detect and regulate the temperature and the PH value of the mixed salt; the alkali in the alkali storage tank 5 enters the liquid alkali balance tank 8 to detect and regulate the temperature and the PH value of the liquid alkali; the ammonia water solution in the ammonia water storage tank 6 enters an ammonia water balance tank 9 to detect and regulate the temperature and the PH value of the ammonia water solution; the adjusted mixed salt, liquid caustic soda and ammonia solution enter a reaction kettle 10 for reaction;
further, a mixed salt metering pump 11 is arranged between the mixed salt balance tank 7 and the reaction kettle 10; a liquid caustic soda metering pump 12 is arranged between the liquid caustic soda balance tank 8 and the reaction kettle 10; an ammonia water metering pump 13 is arranged between the ammonia water balance tank 9 and the reaction kettle 10, and the amount of the mixed salt, the liquid caustic soda and the ammonia water entering the reaction kettle 10 is controlled by arranging a mixed salt metering pump 11, a liquid caustic soda metering pump 12 and the ammonia water metering pump 13.
The aging system comprises an aging kettle 16 for aging the solution after reaction, the aging kettle 16 is respectively communicated with the reaction kettle 10 and an additive solution preparation tank 14, a stirring device 17 is arranged in the aging kettle 16, and the aging kettle 16 is also provided with a jacket 18 for maintaining and adjusting the temperature in the aging kettle 16; the reactant after the reaction in the reaction kettle 10 and the additive in the additive solution preparation tank 14 enter the aging kettle 16 for precipitation reaction;
further, an additive metering pump 15 is arranged between the additive solution preparation tank 14 and the aging kettle 16, and the quantity value of the additive entering the aging kettle 16 is controlled by the additive metering pump 15.
The washing and filter-pressing system comprises a sealed filter press 19 for washing and filtering an aged product and a mother liquor transfer tank 20, a ternary precursor and a mother liquor are generated after aging in the aging kettle 16, and the aging kettle 16 is respectively communicated with the sealed filter press 19 and the mother liquor transfer tank 20; the ternary precursor falls into a filter press 19 for washing and filtering, and the mother liquor flows into a mother liquor turnover tank 20.
The drying system comprises a hot air circulation drying oven 21 for drying the washed and filtered product, the hot air circulation drying oven 21 is communicated with the filter press 19, and the hot air circulation drying oven 21 is used for drying and discharging the ternary precursor filtered and washed by the filter press 19.
The preparation system is also provided with a demagnetizing system, and the demagnetizing system comprises a pipeline iron remover and an electromagnetic iron remover; the pipeline iron remover is arranged on each connecting pipeline (not marked in the figure) of the preparation system and used for carrying out demagnetization treatment on each raw material and reactant; the electromagnetic iron remover is arranged at the discharge outlet (not marked in the figure) of the hot air circulation oven 21 and is used for removing magnetism of the ternary precursor.
And an ammonia gas absorption device (not shown in the figure) is arranged on one side of the preparation system and is used for treating possible ammonia gas leakage of the whole preparation system.
One side of the preparation system is also provided with a dust removal system, and the dust removal system is used for treating dust generated by the whole preparation system, so that the dust amount of a production workshop is ensured to reach the standard.
Compared with the prior art, the invention has the following technical effects:
according to the ternary precursor preparation system, the mixed salt balance tank 7, the liquid alkali balance tank 8 and the ammonia level balance tank 9 are arranged, so that the temperature and the pH value of raw materials in each tank can be accurately detected and controlled, the temperature and the pH value of a reaction system are further controlled, meanwhile, the stirring device 17 is arranged in the aging kettle 16, the stirring speed of the stirring device 17 is controlled, and ternary precursor particles with compact particles, good sphericity and narrow particle size distribution can be prepared.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A ternary precursor preparation system, comprising: comprises a batching system, a synthesis control system, an aging system, a washing and filter-pressing system and a drying system; wherein,
the batching system comprises a mixed salt preparation kettle for mixing sulfate crystals, pure water and the like, and an additive solution preparation tank for preparing additives such as a precipitator and the like;
the synthesis control system comprises a reaction kettle, an alkali storage tank and an ammonia water storage tank, wherein the reaction kettle is used for reacting mixed salt, alkali and ammonia water, the reaction kettle is communicated with the mixed salt preparation kettle, and the alkali storage tank and the ammonia water storage tank are communicated with the reaction kettle;
the aging system comprises an aging kettle for aging the solution after reaction, the aging kettle is respectively communicated with the reaction kettle and the additive solution preparation tank, a stirring device is arranged in the aging kettle, and the aging kettle is also provided with a jacket for maintaining and adjusting the temperature in the aging kettle;
the washing and filter-pressing system comprises a sealed filter press and a mother liquor transfer tank, wherein the sealed filter press is used for washing and filtering an aged product, a ternary precursor and a mother liquor are generated after aging in the aging kettle, and the aging kettle is respectively communicated with the sealed filter press and the mother liquor transfer tank; the ternary precursor falls into a filter press for washing and filtering, and the mother liquor flows into a mother liquor turnover tank;
the drying system comprises a hot air circulation drying oven for drying the washed and filtered product, the hot air circulation drying oven is communicated with the filter press, and the hot air circulation drying oven is used for drying and discharging the ternary precursor filtered and washed by the filter press.
2. The ternary precursor preparation system of claim 1, wherein: the batching system also comprises a crystal storage tank and a pure water storage tank; the crystal storage tank and the pure water storage tank are communicated with the mixed salt preparation kettle, and a weighing device is arranged between the crystal storage tank and the mixed salt preparation kettle.
3. The ternary precursor preparation system of claim 2, wherein: the synthesis system also comprises a mixed salt balance tank, a liquid caustic soda balance tank and an ammonia level balance tank; one end of the mixed salt balancing tank is connected with the mixed salt preparation kettle, and the other end of the mixed salt balancing tank is connected with the reaction kettle; one end of the liquid caustic soda balance tank is connected with the caustic soda storage tank, and the other end of the liquid caustic soda balance tank is connected with the reaction kettle; one end of the ammonia water balance tank is connected with the ammonia water storage tank, and the other end of the ammonia water balance tank is connected with the reaction kettle.
4. A ternary precursor preparation system according to claim 3, wherein: an additive metering pump is also arranged between the additive solution preparation tank and the aging kettle; a mixed salt metering pump is arranged between the mixed salt balance tank and the reaction kettle; a liquid caustic soda metering pump is arranged between the liquid caustic soda balancing tank and the reaction kettle; and an ammonia water metering pump is arranged between the ammonia water balance tank and the reaction kettle.
5. The ternary precursor preparation system of claim 1, wherein: the preparation system is also provided with a demagnetizing system, and the demagnetizing system comprises a pipeline iron remover and an electromagnetic iron remover; the pipeline iron remover is arranged on each connecting pipeline of the preparation system; the electromagnetic iron remover is arranged at the discharge port of the hot air circulation oven and is used for demagnetizing the ternary precursor.
6. The ternary precursor preparation system of claim 1, wherein: and an ammonia gas absorption device is also arranged on one side of the preparation system.
7. The ternary precursor preparation system of claim 1, wherein: and a dust removal system is also arranged on one side of the preparation system.
CN201910785739.0A 2019-08-23 2019-08-23 A kind of ternary precursor preparation system Pending CN110451587A (en)

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Cited By (7)

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CN112378177A (en) * 2020-10-20 2021-02-19 常州百利锂电智慧工厂有限公司 Washing system, processing system and processing technology of lithium battery ternary material
CN113277571A (en) * 2021-05-28 2021-08-20 广东佳纳能源科技有限公司 Production system and production method of ternary precursor
CN113690011A (en) * 2021-07-13 2021-11-23 贵州金瑞新材料有限责任公司 Demagnetisation process for preparing battery-grade trimanganese tetroxide by manganese sheet method
WO2022016870A1 (en) * 2020-07-21 2022-01-27 合肥通用机械研究院有限公司 Integrated production system for ternary material
CN114130275A (en) * 2021-11-26 2022-03-04 广东长信精密设备有限公司 Cadmium chloride mixed crystal hydrate solution production system
CN114405917A (en) * 2021-12-20 2022-04-29 宜宾光原锂电材料有限公司 Method and equipment for dipping and washing ternary precursor
CN115432747A (en) * 2022-09-30 2022-12-06 格林爱科(荆门)新能源材料有限公司 Method and equipment for reducing magnetic foreign matters of ternary precursor

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CN108767248A (en) * 2018-08-09 2018-11-06 中国恩菲工程技术有限公司 Prepare the device of the nickel-cobalt-manganese ternary material precursor material of narrow particle diameter distribution
CN109599556A (en) * 2018-11-26 2019-04-09 荆门市格林美新材料有限公司 A kind of cell positive material production system

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US12053750B2 (en) 2020-07-21 2024-08-06 Hefei General Machinery Research Institute Co., Ltd Processing system with agitated nutsche filter and conical double helix dryer
CN112378177A (en) * 2020-10-20 2021-02-19 常州百利锂电智慧工厂有限公司 Washing system, processing system and processing technology of lithium battery ternary material
CN113277571A (en) * 2021-05-28 2021-08-20 广东佳纳能源科技有限公司 Production system and production method of ternary precursor
CN113690011A (en) * 2021-07-13 2021-11-23 贵州金瑞新材料有限责任公司 Demagnetisation process for preparing battery-grade trimanganese tetroxide by manganese sheet method
CN114130275A (en) * 2021-11-26 2022-03-04 广东长信精密设备有限公司 Cadmium chloride mixed crystal hydrate solution production system
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