MA64897A1 - Méthode de préparation et utilisation de phosphate de fer et de lithium à haute performance - Google Patents

Méthode de préparation et utilisation de phosphate de fer et de lithium à haute performance

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Publication number
MA64897A1
MA64897A1 MA64897A MA64897A MA64897A1 MA 64897 A1 MA64897 A1 MA 64897A1 MA 64897 A MA64897 A MA 64897A MA 64897 A MA64897 A MA 64897A MA 64897 A1 MA64897 A1 MA 64897A1
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MA
Morocco
Prior art keywords
iron phosphate
dispersing
suspension
mixed
mixed suspension
Prior art date
Application number
MA64897A
Other languages
English (en)
Inventor
Dingshan Ruan
Changdong LI
Shiqing ZHANG
Cunpeng QIN
Rui DU
Jinming SUN
Original Assignee
Yichang Brunp Contemporary Amperex Co., Ltd.
Yichang Brunp Recycling Technology Co., Ltd.
Guangdong Brunp Recycling Technology Co., Ltd.
Hunan Brunp Recycling Technology Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yichang Brunp Contemporary Amperex Co., Ltd., Yichang Brunp Recycling Technology Co., Ltd., Guangdong Brunp Recycling Technology Co., Ltd., Hunan Brunp Recycling Technology Co., Ltd. filed Critical Yichang Brunp Contemporary Amperex Co., Ltd.
Publication of MA64897A1 publication Critical patent/MA64897A1/fr

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    • C—CHEMISTRY; METALLURGY
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/447—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on phosphates, e.g. hydroxyapatite
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    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/45—Phosphates containing plural metal, or metal and ammonium
    • C—CHEMISTRY; METALLURGY
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/6261—Milling
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62625—Wet mixtures
    • C04B35/62635—Mixing details
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
    • C04B35/62655—Drying, e.g. freeze-drying, spray-drying, microwave or supercritical drying
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    • H—ELECTRICITY
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    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
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    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
    • C04B2235/447—Phosphates or phosphites, e.g. orthophosphate or hypophosphite
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    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54—Particle size related information
    • C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5445—Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
    • 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
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    • 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)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

L'invention concerne une méthode de préparation et une utilisation de phosphate de fer et de lithium à haute performance. La méthode comprend les étapes suivantes consistant à : disperser un sel de lithium dans un solvant A, et ajouter un acide organique pour ajuster le pH pour obtenir une solution mixte ; disperser du phosphate de fer poreux dans un solvant B, et ajouter une source de carbone organique pour obtenir une suspension mixte A ; ajouter la suspension mixte A dans la solution mixte ; broyer la suspension obtenue ; ajouter un agent de dispersion dans le matériau de broyage pour l'agitation et la dispersion pour obtenir une suspension mixte B ; placer la suspension mixte B sous la pression de 100-1000 Pa pour le vieillissement et le séchage ; et fritter le matériau sec obtenu dans une atmosphère inerte pour obtenir du phosphate de fer et de lithium. Selon la présente invention, le sel de lithium et la source de carbone organique sont incorporés de manière stable dans la structure poreuse de phosphate de fer, de telle sorte que la réaction est plus efficace et complète, la génération de phases d'impureté dans le produit fini est réduite, et le produit préparé présente une morphologie de particule plus uniforme et arrondie, une meilleure performance électrochimique et une longue performance de cycle.
MA64897A 2022-04-12 2023-02-20 Méthode de préparation et utilisation de phosphate de fer et de lithium à haute performance MA64897A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210380031.9A CN114735670B (zh) 2022-04-12 2022-04-12 高性能磷酸铁锂的制备方法及其应用
PCT/CN2023/077222 WO2023197747A1 (fr) 2022-04-12 2023-02-20 Méthode de préparation et utilisation de phosphate de fer et de lithium à haute performance

Publications (1)

Publication Number Publication Date
MA64897A1 true MA64897A1 (fr) 2025-04-30

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MA64897A MA64897A1 (fr) 2022-04-12 2023-02-20 Méthode de préparation et utilisation de phosphate de fer et de lithium à haute performance

Country Status (8)

Country Link
US (1) US20240409469A1 (fr)
CN (1) CN114735670B (fr)
DE (1) DE112023000110B4 (fr)
ES (1) ES2996432A2 (fr)
GB (1) GB2622158A (fr)
HU (1) HUP2400082A1 (fr)
MA (1) MA64897A1 (fr)
WO (1) WO2023197747A1 (fr)

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CN114735670B (zh) * 2022-04-12 2023-11-03 宜昌邦普时代新能源有限公司 高性能磷酸铁锂的制备方法及其应用
CN116111071A (zh) * 2023-03-03 2023-05-12 湖北亿纬动力有限公司 一种改性多孔磷酸铁锂及其制备方法和应用
CN116675205A (zh) * 2023-06-30 2023-09-01 青海泰丰先行锂能科技有限公司 一种功率型磷酸铁锂团聚体正极材料的制备方法
CN118026134B (zh) * 2024-02-21 2025-03-25 广东邦普循环科技有限公司 一种磷酸铁锂的制备方法及其应用
CN118198323A (zh) * 2024-03-29 2024-06-14 广东邦普循环科技有限公司 一种复合磷酸铁及其制备方法和应用
CN119911899B (zh) * 2025-04-02 2025-06-24 湖南裕能新能源电池材料股份有限公司 一种氧化石墨烯/磷酸铁锂复合材料及其制备方法

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CN113896182A (zh) * 2021-09-10 2022-01-07 上海量孚新能源科技有限公司 一种新型绿色磷酸铁锂前驱体及其制备方法、应用

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TW201323322A (zh) * 2011-12-13 2013-06-16 Hirose Tech Co Ltd 多孔性磷酸鋰金屬鹽及其製備方法
CN102779999B (zh) 2012-08-10 2014-06-11 北京科锐志投资管理中心（有限合伙） 一种高压实密度磷酸亚铁锂材料的制备方法
CN102881903A (zh) * 2012-10-23 2013-01-16 兰州理工大学 一种多孔磷酸铁锂粉体的制备方法
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CN114735670B (zh) * 2022-04-12 2023-11-03 宜昌邦普时代新能源有限公司 高性能磷酸铁锂的制备方法及其应用

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CN113896182A (zh) * 2021-09-10 2022-01-07 上海量孚新能源科技有限公司 一种新型绿色磷酸铁锂前驱体及其制备方法、应用

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GB2622158A (en) 2024-03-06
CN114735670B (zh) 2023-11-03
HUP2400082A1 (hu) 2024-06-28
CN114735670A (zh) 2022-07-12
GB2622158A8 (en) 2024-04-17
WO2023197747A1 (fr) 2023-10-19
DE112023000110B4 (de) 2025-07-17
GB202318499D0 (en) 2024-01-17
US20240409469A1 (en) 2024-12-12
ES2996432A2 (es) 2025-02-12
DE112023000110T5 (de) 2024-06-06

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