WO2019078506A3 - 리튬 이차전지용 양극 활물질의 제조방법, 이에 의해 제조된 양극 활물질, 이를 포함하는 리튬 이차전지용 양극 및 리튬 이차전지 - Google Patents

리튬 이차전지용 양극 활물질의 제조방법, 이에 의해 제조된 양극 활물질, 이를 포함하는 리튬 이차전지용 양극 및 리튬 이차전지 Download PDF

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WO2019078506A3
WO2019078506A3 PCT/KR2018/011447 KR2018011447W WO2019078506A3 WO 2019078506 A3 WO2019078506 A3 WO 2019078506A3 KR 2018011447 W KR2018011447 W KR 2018011447W WO 2019078506 A3 WO2019078506 A3 WO 2019078506A3
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secondary battery
lithium secondary
active material
cathode active
cathode
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PCT/KR2018/011447
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English (en)
French (fr)
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WO2019078506A2 (ko
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박성순
안동준
조문규
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주식회사 엘지화학
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Priority to CN201880010623.3A priority Critical patent/CN110267917B/zh
Priority to EP18868327.0A priority patent/EP3584222B1/en
Priority to JP2019572584A priority patent/JP6884238B2/ja
Priority to US16/485,730 priority patent/US11563213B2/en
Publication of WO2019078506A2 publication Critical patent/WO2019078506A2/ko
Publication of WO2019078506A3 publication Critical patent/WO2019078506A3/ko

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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
    • C01G53/40—Nickelates
    • C01G53/42—Nickelates containing alkali metals, e.g. LiNiO2
    • C01G53/44—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese
    • C01G53/50—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese of the type [MnO2]n-, e.g. Li(NixMn1-x)O2, Li(MyNixMn1-x-y)O2
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • C01G53/40—Nickelates
    • C01G53/42—Nickelates containing alkali metals, e.g. LiNiO2
    • C01G53/44—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese
    • 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
    • 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
    • H01M4/04—Processes of manufacture in general
    • H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
    • 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
    • H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
    • 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
    • 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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/621—Binders
    • H01M4/622—Binders being polymers
    • H01M4/623—Binders being polymers fluorinated polymers
    • C—CHEMISTRY; METALLURGY
    • 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
    • C—CHEMISTRY; METALLURGY
    • 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
    • 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
    • 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
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028—Positive electrodes
    • 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)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)

Abstract

본 발명은 전이금속의 총 몰수에 대하여 60 몰% 이상의 니켈을 포함하는 니켈코발트망간 수산화물 전구체, 리튬-원료 물질, 및 도핑 원료 물질로서 하기 화학식 2로 표시되는 화합물을 혼합하는 단계; 및, 상기 혼합물을 소성하여, 하기 화학식 1로 표시되는 양극 활물질을 제조하는 단계;를 포함하는, 양극 활물질의 제조 방법, 이러한 방법에 의해 제조된 양극 활물질, 이를 포함하는 리튬 이차전지용 양극 및 리튬 이차전지에 관한 것이다: [화학식 1] Li1+x[NiaMe1-(a+b)M1 b]1-xO2 [화학식 2] Li1+x1M2O2+y 상기 화학식 1에서, 0≤x≤0.1, 0.6≤a≤0.9995, 0.0005≤b≤0.02, 0.6005≤a+b<1, Me는 Co, Mn, 및 Al로 이루어진 군에서 선택되는 적어도 둘 이상이고, M1은 Li, Zr, Ti, Ta, Si, 및 Nb로 이루어진 군에서 선택되는 적어도 하나 이상이고, 상기 화학식 2에서, 0≤x1≤7, 1≤y<6, M2는 Li, Zr, Ti, Ta, Si, 및 Nb로 이루어진 군에서 선택되는 적어도 하나 이상임.
PCT/KR2018/011447 2017-10-20 2018-09-27 리튬 이차전지용 양극 활물질의 제조방법, 이에 의해 제조된 양극 활물질, 이를 포함하는 리튬 이차전지용 양극 및 리튬 이차전지 WO2019078506A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201880010623.3A CN110267917B (zh) 2017-10-20 2018-09-27 制备锂二次电池用正极活性材料的方法、由此制备的正极活性材料以及包含其的锂二次电池用正极和锂二次电池
EP18868327.0A EP3584222B1 (en) 2017-10-20 2018-09-27 Method for preparing positive electrode active material for lithium secondary battery
JP2019572584A JP6884238B2 (ja) 2017-10-20 2018-09-27 リチウム二次電池用正極活物質の製造方法、これによって製造された正極活物質、これを含むリチウム二次電池用正極、及びリチウム二次電池
US16/485,730 US11563213B2 (en) 2017-10-20 2018-09-27 Method of preparing positive electrode active material for lithium secondary battery, positive electrode active material prepared thereby, and positive electrode for lithium secondary battery and lithium secondary battery which include the positive electrode active material

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170136889A KR102179968B1 (ko) 2017-10-20 2017-10-20 리튬 이차전지용 양극 활물질의 제조방법, 이에 의해 제조된 양극 활물질, 이를 포함하는 리튬 이차전지용 양극 및 리튬 이차전지
KR10-2017-0136889 2017-10-20

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US (1) US11563213B2 (ko)
EP (1) EP3584222B1 (ko)
JP (1) JP6884238B2 (ko)
KR (1) KR102179968B1 (ko)
CN (1) CN110267917B (ko)
WO (1) WO2019078506A2 (ko)

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CN114906884A (zh) * 2022-05-20 2022-08-16 天能新能源(湖州)有限公司 一种氟铌双掺杂铌酸锂包覆三元材料的制备方法

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CN110267917A (zh) 2019-09-20
EP3584222B1 (en) 2023-11-22
EP3584222A4 (en) 2020-01-15
JP2020525988A (ja) 2020-08-27
US11563213B2 (en) 2023-01-24
KR102179968B1 (ko) 2020-11-17
EP3584222A2 (en) 2019-12-25
KR20190044443A (ko) 2019-04-30
WO2019078506A2 (ko) 2019-04-25
US20200259176A1 (en) 2020-08-13
CN110267917B (zh) 2022-03-08
JP6884238B2 (ja) 2021-06-09

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