CA3231076A1 - Novel green lithium iron phosphate precursor, preparation method therefor and application thereof - Google Patents

Novel green lithium iron phosphate precursor, preparation method therefor and application thereof Download PDF

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Publication number
CA3231076A1
CA3231076A1 CA3231076A CA3231076A CA3231076A1 CA 3231076 A1 CA3231076 A1 CA 3231076A1 CA 3231076 A CA3231076 A CA 3231076A CA 3231076 A CA3231076 A CA 3231076A CA 3231076 A1 CA3231076 A1 CA 3231076A1
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Prior art keywords
lithium
iron phosphate
preparation
product
phosphoric acid
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Pending
Application number
CA3231076A
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English (en)
French (fr)
Inventor
Xiaolin Yu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Liangfu New Energy Technology Co Ltd
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Shanghai Liangfu New Energy Technology Co Ltd
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Publication of CA3231076A1 publication Critical patent/CA3231076A1/en
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    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/26Phosphates
    • C01B25/45Phosphates containing plural metal, or metal and ammonium
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/26Phosphates
    • C01B25/37Phosphates of heavy metals
    • C01B25/375Phosphates of heavy metals of iron
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/58Selection 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
    • H01M4/5825Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/70Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/01Particle morphology depicted by an image
    • C01P2004/03Particle morphology depicted by an image obtained by SEM
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/61Micrometer sized, i.e. from 1-100 micrometer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/62Submicrometer sized, i.e. from 0.1-1 micrometer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/22Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/40Electric properties
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M2004/026Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028Positive electrodes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
CA3231076A 2021-09-10 2022-09-09 Novel green lithium iron phosphate precursor, preparation method therefor and application thereof Pending CA3231076A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN202111064354.9A CN113896182B (zh) 2021-09-10 2021-09-10 一种绿色磷酸铁锂前驱体及其制备方法、应用
CN202111064354.9 2021-09-10
PCT/CN2022/118186 WO2023036308A1 (zh) 2021-09-10 2022-09-09 一种新型绿色磷酸铁锂前驱体及其制备方法、应用

Publications (1)

Publication Number Publication Date
CA3231076A1 true CA3231076A1 (en) 2023-03-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA3231076A Pending CA3231076A1 (en) 2021-09-10 2022-09-09 Novel green lithium iron phosphate precursor, preparation method therefor and application thereof

Country Status (10)

Country Link
US (1) US12209017B2 (enExample)
EP (1) EP4400475A4 (enExample)
JP (1) JP7728047B2 (enExample)
KR (1) KR102843962B1 (enExample)
CN (1) CN113896182B (enExample)
AU (1) AU2022342227B2 (enExample)
CA (1) CA3231076A1 (enExample)
MX (1) MX2024003002A (enExample)
WO (1) WO2023036308A1 (enExample)
ZA (1) ZA202402648B (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113896182B (zh) * 2021-09-10 2023-05-23 上海量孚新能源科技有限公司 一种绿色磷酸铁锂前驱体及其制备方法、应用
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
US20240034626A1 (en) * 2022-07-26 2024-02-01 Watix Technology LLC Method for preparing high performance lithium iron phosphate nanopowder
CN115353085B (zh) * 2022-09-21 2023-09-22 上海量孚新能源科技有限公司 一种含补锂剂的磷酸铁锂复合材料及其制备方法、应用和含其的电池
TWI827275B (zh) * 2022-09-27 2023-12-21 台灣立凱電能科技股份有限公司 磷酸鋰鐵正極材料的製備方法
CN116635327B (zh) * 2023-03-20 2025-07-04 广东邦普循环科技有限公司 一种磷酸锰铁锂及制备其的方法与用途
CN116395659A (zh) * 2023-04-14 2023-07-07 河南龙佰新能源材料技术有限公司 一种高倍率磷酸铁锂正极材料的制备方法
CN116281932A (zh) * 2023-04-18 2023-06-23 上海量孚新能源科技有限公司 一种磷酸锰铁锂及制备方法、应用
WO2025043375A1 (zh) 2023-08-25 2025-03-06 上海量孚新能源科技有限公司 磷酸铁锂前驱体、磷酸铁锂材料及其制备方法和应用
TWI911872B (zh) * 2023-08-25 2026-01-11 大陸商上海量孚新能源科技有限公司 磷酸鐵鋰前驅物、磷酸鐵鋰材料及其製備方法和應用
CN117133913B (zh) * 2023-08-25 2026-03-31 上海量孚新能源科技有限公司 磷酸铁锂前驱体、磷酸铁锂材料及其制备方法和应用
WO2025050414A1 (zh) * 2023-09-08 2025-03-13 广东邦普循环科技有限公司 一种磷酸锰铁锂及其制备方法和应用
CN117509589A (zh) * 2023-10-20 2024-02-06 贵州航盛锂能科技有限公司 一种磷酸铁锂的制备方法及其应用
KR20250156980A (ko) * 2024-04-26 2025-11-04 주식회사 에코프로비엠 리튬 이차 전지용 양극 활물질의 제조 방법
CN118206097B (zh) * 2024-05-21 2024-09-27 上海量孚新能源科技有限公司 磷酸锰铁前驱体及其制备方法、磷酸锰铁锂、含其的正极片、二次电池
CN119018871B (zh) * 2024-10-25 2025-10-17 上海量孚新能源科技有限公司 磷酸铁锂前驱体及其制备方法、磷酸铁锂及其制备方法和应用
CN120504305B (zh) * 2025-07-22 2025-10-21 上海量孚新能源科技有限公司 一种磷酸铁锂材料及其制备方法和应用

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100359726C (zh) 2002-10-18 2008-01-02 国立九州大学 二次电池用阴极材料的制备方法和二次电池
TWI279020B (en) * 2004-11-03 2007-04-11 Tatung Co Ltd Preparation of olivine LiFePO4 cathode materials for lithium batteries via a solution method
US7892676B2 (en) 2006-05-11 2011-02-22 Advanced Lithium Electrochemistry Co., Ltd. Cathode material for manufacturing a rechargeable battery
JP5388822B2 (ja) 2009-03-13 2014-01-15 Jfeケミカル株式会社 リン酸鉄リチウムの製造方法
JP4999887B2 (ja) 2009-06-18 2012-08-15 株式会社関 高純度パラジウム製品、及びその鋳造方法
JP5581065B2 (ja) 2010-01-14 2014-08-27 Jfeケミカル株式会社 リン酸鉄リチウムの製造方法
CA2842165C (en) * 2011-07-20 2017-04-11 Advanced Lithium Electrochemistry Co., Ltd. Preparation method of battery composite material and precursor thereof
CN102683697B (zh) * 2012-05-14 2014-12-17 国光电器股份有限公司 一种石墨烯基LiFePO4/C复合材料的制备方法
KR101973052B1 (ko) * 2012-08-10 2019-04-26 삼성에스디아이 주식회사 리튬 금속인산화물의 제조방법
US9136534B2 (en) * 2013-03-15 2015-09-15 Nano One Materials Corp. Complexometric precursors formulation methodology for industrial production of high performance fine and ultrafine powders and nanopowders for specialized applications
CN103208614B (zh) * 2013-04-15 2015-10-21 黄科竣 一种锂离子电池用磷酸铁锂正极材料的合成方法
CN107814372A (zh) * 2017-11-02 2018-03-20 沈阳国科金能新材料有限公司 一种磷酸铁锂正极材料的制备方法和应用
CN109607506A (zh) * 2018-12-29 2019-04-12 合肥融捷能源材料有限公司 一种提升磷酸铁锂前驱体振实密度的方法
CN109742352A (zh) * 2018-12-29 2019-05-10 浙江南都电源动力股份有限公司 磷酸铁锂/碳复合材料的制备方法
CN112390241A (zh) * 2020-11-17 2021-02-23 湖北融通高科先进材料有限公司 一种磷酸铁锂材料及以混合铁源和混合锂源为原料制备磷酸铁锂材料的方法
CN113896182B (zh) * 2021-09-10 2023-05-23 上海量孚新能源科技有限公司 一种绿色磷酸铁锂前驱体及其制备方法、应用

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Publication number Publication date
KR102843962B1 (ko) 2025-08-08
WO2023036308A1 (zh) 2023-03-16
MX2024003002A (es) 2024-05-29
US20240417259A1 (en) 2024-12-19
US12209017B2 (en) 2025-01-28
CN113896182A (zh) 2022-01-07
JP7728047B2 (ja) 2025-08-22
JP2024535003A (ja) 2024-09-26
AU2022342227A1 (en) 2024-05-02
ZA202402648B (en) 2024-12-18
EP4400475A4 (en) 2025-03-19
CN113896182B (zh) 2023-05-23
EP4400475A1 (en) 2024-07-17
KR20240055829A (ko) 2024-04-29
AU2022342227B2 (en) 2026-01-15

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