WO2023160016A1 - Méthode de préparation d'un précurseur ternaire à partir de microbulles par pré-oxydation et application d'un précurseur ternaire - Google Patents

Méthode de préparation d'un précurseur ternaire à partir de microbulles par pré-oxydation et application d'un précurseur ternaire Download PDF

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Publication number
WO2023160016A1
WO2023160016A1 PCT/CN2022/131109 CN2022131109W WO2023160016A1 WO 2023160016 A1 WO2023160016 A1 WO 2023160016A1 CN 2022131109 W CN2022131109 W CN 2022131109W WO 2023160016 A1 WO2023160016 A1 WO 2023160016A1
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WO
WIPO (PCT)
Prior art keywords
ternary precursor
reaction
nickel
cobalt
solid
Prior art date
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PCT/CN2022/131109
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English (en)
Chinese (zh)
Inventor
余海军
谢英豪
李爱霞
张学梅
李长东
Original Assignee
广东邦普循环科技有限公司
湖南邦普循环科技有限公司
湖南邦普汽车循环有限公司
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Publication of WO2023160016A1 publication Critical patent/WO2023160016A1/fr

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    • 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • 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
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • 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
    • 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
    • C01P2006/80—Compositional purity
    • 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 aims to solve at least one of the technical problems in the above-mentioned prior art. For this reason, the present invention proposes a method for preparing a ternary precursor by pre-oxidation of microbubbles and its application, which can quickly prepare an oxyhydroxide precursor material with low impurity content, and slow down the mixed discharge of lithium and nickel in the subsequent preparation of positive electrode materials. Improve the first effect and cycle performance of materials.
  • step S1 the total concentration of metal ions in the nickel-cobalt-manganese mixed salt solution is 1.0-2.5 mol/L; the concentration of the precipitant is 4.0-8.0 mol/L. Further, the precipitating agent is sodium hydroxide solution.
  • a ternary precursor is prepared, and the specific process is as follows:
  • Step 2 preparation concentration is the sodium hydroxide solution B of 8.0mol/L as precipitation agent
  • Step 4 add the bottom liquid to the reactor until it overflows the bottom stirring paddle, start stirring, the pH value of the bottom liquid is 12.0, and the ammonia concentration is 10.0g/L;
  • Step 6 when it is detected that the D50 of the material in the reactor reaches 5.0 ⁇ m, stop feeding;
  • Step 7 performing solid-liquid separation on the materials in the kettle to obtain solid materials
  • Step 3 preparation concentration is 9.0mol/L ammonia water as complexing agent
  • Step 5 the mixed salt solution A prepared in step 1, the sodium hydroxide solution B prepared in step 2, and the ammonia water prepared in step 3 are added to the reaction kettle in parallel to react, and the reaction temperature in the control kettle is 55 ° C, and the pH is 11.4, the ammonia concentration is 6.0g/L;
  • Step 6 when it is detected that the D50 of the material in the reactor reaches 9.0 ⁇ m, stop feeding;
  • Example 3 and Comparative Example 3 were mixed with lithium carbonate respectively according to the total molar ratio of lithium element to nickel-cobalt-manganese of 1.8:1, and were calcined in an oxygen atmosphere at 900°C for 12 hours to obtain corresponding positive electrode materials respectively.

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

Abstract

La présente invention concerne une méthode de préparation d'un précurseur ternaire à partir de microbulles par pré-oxydation et une application du précurseur ternaire. La méthode comprend : l'ajout d'une solution de sel mixte nickel-cobalt-manganèse, d'un précipitant et d'un agent complexant à une solution de base pour réaction, la solution de sel mixte nickel-cobalt-manganèse et le précipitant étant respectivement ajoutés après réaction avec de l'oxygène au moyen d'un générateur de microbulles ; l'obtention d'un matériau solide ; et la préparation du matériau solide en suspension, le traitement de l'ozone et de l'eau au moyen du générateur de microbulles, puis l'introduction dans la suspension pour réaction pour obtenir le précurseur ternaire. Par comparaison avec un oxydant fort, le produit préparé de la présente invention présente peu d'impuretés et une pureté de produit supérieure, et le matériau d'électrode positive fritté présente une capacité de débit et une performance de cycle supérieures.
PCT/CN2022/131109 2022-02-25 2022-11-10 Méthode de préparation d'un précurseur ternaire à partir de microbulles par pré-oxydation et application d'un précurseur ternaire WO2023160016A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210181066.X 2022-02-25
CN202210181066.XA CN114655997A (zh) 2022-02-25 2022-02-25 微气泡预氧化制备三元前驱体的方法及其应用

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WO2023160016A1 true WO2023160016A1 (fr) 2023-08-31

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WO (1) WO2023160016A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114655997A (zh) * 2022-02-25 2022-06-24 广东邦普循环科技有限公司 微气泡预氧化制备三元前驱体的方法及其应用

Citations (7)

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JP2001143707A (ja) * 1999-11-12 2001-05-25 Japan Storage Battery Co Ltd リチウム含有遷移金属酸化物の製造方法
CN101127398A (zh) * 2007-06-28 2008-02-20 河南师范大学 一种球形羟基氧化镍钴锰及其制备方法
CN103227314A (zh) * 2013-04-17 2013-07-31 嘉峪关大友嘉能化工有限公司 一种三元正极材料的制备方法
CN107540021A (zh) * 2016-06-23 2018-01-05 中国科学院过程工程研究所 含有非锰元素的四氧化三锰复合物、制备方法、使用的反应系统及其用途
CN109485104A (zh) * 2017-09-11 2019-03-19 株式会社田中化学研究所 用于电池用正极活性物质的过渡金属复合氢氧化物粒子的制造方法
CN112186171A (zh) * 2019-07-05 2021-01-05 西北工业大学 锂离子电池用镍酸锂类正极材料前驱体的预氧化方法及应用
CN114655997A (zh) * 2022-02-25 2022-06-24 广东邦普循环科技有限公司 微气泡预氧化制备三元前驱体的方法及其应用

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JP4846309B2 (ja) * 2005-09-09 2011-12-28 株式会社田中化学研究所 ニッケルマンガンコバルト複合酸化物の製造方法
CN101475225A (zh) * 2009-01-19 2009-07-08 中南大学 臭氧弥散氧化沉淀-热分解制备钴氧化物粉末的方法
CN108598459B (zh) * 2018-04-24 2020-07-14 方嘉城 一种球形氢氧化镍钴铝的制备方法
CN113788501B (zh) * 2021-09-24 2023-10-17 南通金通储能动力新材料有限公司 一种制备羟基氧化钴的方法
CN113903903A (zh) * 2021-10-13 2022-01-07 中南大学 一种掺杂改性高镍正极材料的制备方法

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Publication number Priority date Publication date Assignee Title
JP2001143707A (ja) * 1999-11-12 2001-05-25 Japan Storage Battery Co Ltd リチウム含有遷移金属酸化物の製造方法
CN101127398A (zh) * 2007-06-28 2008-02-20 河南师范大学 一种球形羟基氧化镍钴锰及其制备方法
CN103227314A (zh) * 2013-04-17 2013-07-31 嘉峪关大友嘉能化工有限公司 一种三元正极材料的制备方法
CN107540021A (zh) * 2016-06-23 2018-01-05 中国科学院过程工程研究所 含有非锰元素的四氧化三锰复合物、制备方法、使用的反应系统及其用途
CN109485104A (zh) * 2017-09-11 2019-03-19 株式会社田中化学研究所 用于电池用正极活性物质的过渡金属复合氢氧化物粒子的制造方法
CN112186171A (zh) * 2019-07-05 2021-01-05 西北工业大学 锂离子电池用镍酸锂类正极材料前驱体的预氧化方法及应用
CN114655997A (zh) * 2022-02-25 2022-06-24 广东邦普循环科技有限公司 微气泡预氧化制备三元前驱体的方法及其应用

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