WO2021025464A8 - 이차전지용 양극 활물질의 제조방법 - Google Patents

이차전지용 양극 활물질의 제조방법 Download PDF

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WO2021025464A8
WO2021025464A8 PCT/KR2020/010339 KR2020010339W WO2021025464A8 WO 2021025464 A8 WO2021025464 A8 WO 2021025464A8 KR 2020010339 W KR2020010339 W KR 2020010339W WO 2021025464 A8 WO2021025464 A8 WO 2021025464A8
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positive electrode
electrode active
active material
firing
preparation
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PCT/KR2020/010339
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English (en)
French (fr)
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WO2021025464A1 (ko
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노은솔
박상민
정왕모
박성빈
김슬기
왕문수
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주식회사 엘지에너지솔루션
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Priority to US17/627,243 priority Critical patent/US20220246925A1/en
Priority to JP2022505618A priority patent/JP7357994B2/ja
Priority to EP20850171.8A priority patent/EP3984960B1/en
Priority to CN202080052860.3A priority patent/CN114270570A/zh
Publication of WO2021025464A1 publication Critical patent/WO2021025464A1/ko
Publication of WO2021025464A8 publication Critical patent/WO2021025464A8/ko

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    • 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
    • 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
    • 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
    • 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
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    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • H—ELECTRICITY
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    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/139—Processes of manufacture
    • H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • 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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    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H—ELECTRICITY
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    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/364—Composites as mixtures
    • 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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    • H01M4/36—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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
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    • C01—INORGANIC CHEMISTRY
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    • 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
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

본 발명은 니켈, 코발트 및 망간을 포함하며, 전체 금속 중 니켈을 60몰% 이상 함유하는 양극 활물질 전구체를 마련하는 단계; 및 상기 양극 활물질 전구체, 리튬 원료소스, 제1 소성 첨가제, 제2 소성 첨가제 및 제3 소성 첨가제를 혼합하고, 1차 소성하여 리튬 전이금속 산화물을 형성하는 단계;를 포함하며, 상기 제1 소성 첨가제는 리튬 함유 화합물이고, 상기 제2 소성 첨가제는 탄산 이온 함유 화합물이며,상기 제3 소성 첨가제는 보론 함유 화합물인 이차전지용 양극 활물질의 제조방법을 제공한다.
PCT/KR2020/010339 2019-08-08 2020-08-05 이차전지용 양극 활물질의 제조방법 WO2021025464A1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US17/627,243 US20220246925A1 (en) 2019-08-08 2020-08-05 Method of Preparing Positive Electrode Active Material for Secondary Battery
JP2022505618A JP7357994B2 (ja) 2019-08-08 2020-08-05 二次電池用正極活物質の製造方法
EP20850171.8A EP3984960B1 (en) 2019-08-08 2020-08-05 Preparation method for positive electrode active material for secondary battery
CN202080052860.3A CN114270570A (zh) 2019-08-08 2020-08-05 二次电池用正极活性材料的制备方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2019-0096996 2019-08-08
KR1020190096996A KR102644802B1 (ko) 2019-08-08 2019-08-08 이차전지용 양극 활물질의 제조방법

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WO2021025464A1 WO2021025464A1 (ko) 2021-02-11
WO2021025464A8 true WO2021025464A8 (ko) 2022-02-03

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US (1) US20220246925A1 (ko)
EP (1) EP3984960B1 (ko)
JP (1) JP7357994B2 (ko)
KR (1) KR102644802B1 (ko)
CN (1) CN114270570A (ko)
WO (1) WO2021025464A1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230102397A (ko) 2021-12-30 2023-07-07 대전대학교 산학협력단 단결정 활물질 제조방법, 이에 따라 제조된 단결정 활물질, 이를 포함하는 이차전지용 전극 및 이차전지
KR20240044095A (ko) * 2022-09-28 2024-04-04 포스코홀딩스 주식회사 리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지

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CN114270570A (zh) 2022-04-01
KR102644802B1 (ko) 2024-03-08
EP3984960A4 (en) 2022-08-10
JP7357994B2 (ja) 2023-10-10
US20220246925A1 (en) 2022-08-04
WO2021025464A1 (ko) 2021-02-11
EP3984960A1 (en) 2022-04-20
EP3984960B1 (en) 2024-02-07
KR20210017554A (ko) 2021-02-17
JP2022543762A (ja) 2022-10-14

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