CN113329975A - 一种通过晶种加入量调控晶面择优生长的高镍三元前驱体的制备方法 - Google Patents

一种通过晶种加入量调控晶面择优生长的高镍三元前驱体的制备方法 Download PDF

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CN113329975A
CN113329975A CN201980003333.0A CN201980003333A CN113329975A CN 113329975 A CN113329975 A CN 113329975A CN 201980003333 A CN201980003333 A CN 201980003333A CN 113329975 A CN113329975 A CN 113329975A
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seed crystal
nickel
solution
crystal
ternary precursor
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CN113329975B (zh
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许开华
蒋振康
唐洲
李涛
杜修平
白亮
张华�
武志江
蒋世凤
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Jingmen GEM New Material Co Ltd
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    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • C01G53/10—Sulfates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G45/00—Compounds of manganese
    • C01G45/10—Sulfates
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    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G51/00—Compounds of cobalt
    • C01G51/10—Sulfates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
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    • 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
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    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C01P2002/52—Solid solutions containing elements as dopants
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    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
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Abstract

本发明公开了一种通过晶种加入量调控晶面择优生长的高镍三元前驱体的制备方法，该方法包括如下步骤：1)将三元金属溶液加入至含有第一底液的反应釜中进行反应，当粒径达到1.5～3.0μm时，停止加料，获得晶种浆料；2)将三元金属溶液、液碱溶液、氨水溶液同时并流加入至含有第二底液的生长釜中进行反应，当粒径达到6～8μm时，再将晶种浆料加入至反应体系中，并通过调节所述晶种的进料速度来控制粒径为9.0～11.0μm，获得目标物。本发明通过采用连续加入晶种的方法，使得制备得到的三元前驱体材料中的晶面参数001峰低于晶面参数101峰，这样更有利于Li离子的嵌入，从而可以有效的提高采用该材料制备得到的电池的性能。

Description

PCT国内申请，说明书已公开。

Claims (11)

  1. PCT国内申请，权利要求书已公开。
CN201980003333.0A 2019-12-30 2019-12-30 一种通过晶种加入量调控晶面择优生长的高镍三元前驱体的制备方法 Active CN113329975B (zh)

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CN114291850A (zh) * 2021-12-03 2022-04-08 宜宾光原锂电材料有限公司 一种在三元前驱体制备过程中控制其形貌的方法
CN114477315A (zh) * 2022-02-25 2022-05-13 荆门市格林美新材料有限公司 一种镍钴锰三元正极材料前驱体的合成方法
CN114804225A (zh) * 2022-03-15 2022-07-29 远景动力技术(江苏)有限公司 三元材料前驱体及其应用
CN115838189A (zh) * 2021-09-18 2023-03-24 宁德时代新能源科技股份有限公司 三元前驱体及其制备方法,三元正极材料以及用电装置
CN115893519A (zh) * 2022-11-15 2023-04-04 泾河新城陕煤技术研究院新能源材料有限公司 宽粒度分布和高峰强比的镍钴锰氢氧化物制备方法

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CN113772745A (zh) * 2021-09-01 2021-12-10 荆门市格林美新材料有限公司 一种铝均匀掺杂的大粒径四氧化三钴的制备方法
CN113716618B (zh) * 2021-09-01 2023-08-01 荆门市格林美新材料有限公司 一种八面体形貌四氧化三钴的制备方法
CN114349066B (zh) * 2021-12-28 2023-11-24 荆门市格林美新材料有限公司 一种镁铝共掺杂钴酸锂前驱体的制备方法
CN114394630B (zh) * 2021-12-31 2023-07-11 宜宾光原锂电材料有限公司 一种控制三元前驱体材料形貌的制备方法
CN114573047B (zh) * 2022-03-08 2023-07-11 宜宾光原锂电材料有限公司 高功率型ncm前驱体及其制备方法
CN115504521A (zh) * 2022-09-27 2022-12-23 陕西红马科技有限公司 一种内部孔隙可控的前驱体及其正极材料的制备方法
CN116143198B (zh) * 2023-04-18 2023-09-22 新乡天力锂能股份有限公司 一种通过阴离子调控层状正极材料前驱体（010）晶面面积的方法
CN116873985B (zh) * 2023-06-14 2024-04-02 新乡天力锂能股份有限公司 一种具有大（010）晶面面积的镍基三元正极材料前驱体的制备方法
CN117120642A (zh) * 2023-06-30 2023-11-24 青美邦新能源材料有限公司 一种红土镍矿湿法冶金连续制备氢氧化镍钴的方法

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EP4086229A4 (en) 2023-10-04
WO2021134153A1 (zh) 2021-07-08
US20230035993A1 (en) 2023-02-02
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EP4086229A1 (en) 2022-11-09

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