WO2019103488A8 - 리튬 이차전지용 양극활물질 및 그 제조방법 - Google Patents

리튬 이차전지용 양극활물질 및 그 제조방법 Download PDF

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Publication number
WO2019103488A8
WO2019103488A8 PCT/KR2018/014453 KR2018014453W WO2019103488A8 WO 2019103488 A8 WO2019103488 A8 WO 2019103488A8 KR 2018014453 W KR2018014453 W KR 2018014453W WO 2019103488 A8 WO2019103488 A8 WO 2019103488A8
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WO
WIPO (PCT)
Prior art keywords
positive electrode
active material
electrode active
secondary battery
lithium secondary
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Application number
PCT/KR2018/014453
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English (en)
French (fr)
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WO2019103488A1 (ko
Inventor
박영욱
유태구
황진태
정왕모
박성빈
Original Assignee
주식회사 엘지화학
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.)
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Priority claimed from KR1020180144888A external-priority patent/KR20190059249A/ko
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to EP18882196.1A priority Critical patent/EP3595060B1/en
Priority to PL18882196T priority patent/PL3595060T3/pl
Priority to US16/496,167 priority patent/US11424447B2/en
Priority to JP2019551301A priority patent/JP7076877B2/ja
Priority to CN201880018031.6A priority patent/CN110431695B/zh
Publication of WO2019103488A1 publication Critical patent/WO2019103488A1/ko
Publication of WO2019103488A8 publication Critical patent/WO2019103488A8/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
    • 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
    • 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
    • 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)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

본 발명에서는 하기 화학식 1의 리튬 복합금속 산화물을 포함하는 다결정성의 1차 입자가 복수 개 응집되어 이루어진 2차 입자이며, 상기 1차 입자는 평균 결정 크기가 180 내지 400nm이고, 입자 크기 D50이 1.5 내지 3µm이며, Al, Ti, Mg, Zr, Y, Sr 및 B로 이루어진 군에서 선택되는 1종 이상의 원소 M에 의해 3,800 내지 7,000ppm의 양으로 도핑 또는 표면 코팅된, 리튬 이차전지용 양극활물질이 제공된다: [화학식 1] Lia(NixMnyCozAw)02+b 상기 화학식 1에서， A, a, b, x, y, z, w는 명세서 중에서 정의한 바와 같다.
PCT/KR2018/014453 2017-11-22 2018-11-22 리튬 이차전지용 양극활물질 및 그 제조방법 WO2019103488A1 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP18882196.1A EP3595060B1 (en) 2017-11-22 2018-11-22 Positive electrode active material for lithium secondary battery and manufacturing method therefor
PL18882196T PL3595060T3 (pl) 2017-11-22 2018-11-22 Materiał czynny elektrody dodatniej dla akumulatora litowego i sposób jego wytwarzania
US16/496,167 US11424447B2 (en) 2017-11-22 2018-11-22 Positive electrode active material for lithium secondary battery and method for preparing the same
JP2019551301A JP7076877B2 (ja) 2017-11-22 2018-11-22 リチウム二次電池用正極活物質およびその製造方法
CN201880018031.6A CN110431695B (zh) 2017-11-22 2018-11-22 锂二次电池用正极活性材料及其制备方法

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20170156743 2017-11-22
KR10-2017-0156743 2017-11-22
KR10-2018-0144888 2018-11-21
KR1020180144888A KR20190059249A (ko) 2017-11-22 2018-11-21 리튬 이차전지용 양극활물질 및 그 제조방법

Publications (2)

Publication Number Publication Date
WO2019103488A1 WO2019103488A1 (ko) 2019-05-31
WO2019103488A8 true WO2019103488A8 (ko) 2019-08-15

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112447967B (zh) * 2019-09-02 2022-03-08 宁德时代新能源科技股份有限公司 正极活性材料、正极极片及锂离子二次电池
JP7399538B2 (ja) * 2019-11-28 2023-12-18 エルジー・ケム・リミテッド リチウム二次電池用正極活物質の製造方法および前記方法により製造されたリチウム二次電池用正極活物質
CN114927693B (zh) * 2022-05-30 2024-05-17 远景动力技术(江苏)有限公司 正极活性材料、其制备方法、电化学装置和电子设备
CN117457894B (zh) * 2023-12-25 2024-04-05 宁波容百新能源科技股份有限公司 一种多晶正极材料及其制备方法、锂离子电池

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CN102210045B (zh) * 2008-11-10 2014-11-05 株式会社Lg化学 具有改进高电压特性的正极活性材料
JP6458542B2 (ja) * 2015-02-23 2019-01-30 戸田工業株式会社 水酸化ニッケル粒子粉末及びその製造方法、正極活物質粒子粉末及びその製造方法、並びに非水電解質二次電池
KR20170075596A (ko) * 2015-12-23 2017-07-03 주식회사 포스코 리튬 이차 전지용 양극 활물질, 이의 제조 방법, 및 이를 포함하는 리튬 이차 전지
JP6908368B2 (ja) * 2016-02-29 2021-07-28 パナソニック株式会社 非水電解質二次電池用正極活物質及び非水電解質二次電池
KR101937896B1 (ko) * 2016-03-04 2019-01-14 주식회사 엘지화학 이차전지용 양극활물질의 전구체 및 이를 이용하여 제조된 양극활물질

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