WO2019059552A3 - 이차전지용 양극 활물질, 그 제조방법 및 이를 포함하는 리튬 이차전지 - Google Patents

이차전지용 양극 활물질, 그 제조방법 및 이를 포함하는 리튬 이차전지 Download PDF

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WO2019059552A3
WO2019059552A3 PCT/KR2018/010012 KR2018010012W WO2019059552A3 WO 2019059552 A3 WO2019059552 A3 WO 2019059552A3 KR 2018010012 W KR2018010012 W KR 2018010012W WO 2019059552 A3 WO2019059552 A3 WO 2019059552A3
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secondary battery
active material
cathode active
preparation
same
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WO2019059552A2 (ko
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조치호
유민규
박성빈
허혁
황진태
정왕모
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LG Chem Ltd
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LG Chem Ltd
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Priority to CN201880059188.3A priority Critical patent/CN111095630B/zh
Priority to ES18858198T priority patent/ES2974702T3/es
Priority to EP18858198.7A priority patent/EP3671917B1/en
Priority to US16/647,307 priority patent/US11611077B2/en
Priority to JP2020513908A priority patent/JP7046411B2/ja
Priority to PL18858198.7T priority patent/PL3671917T3/pl
Publication of WO2019059552A2 publication Critical patent/WO2019059552A2/ko
Publication of WO2019059552A3 publication Critical patent/WO2019059552A3/ko
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Abstract

본 발명은 도핑 원소 M을 포함하는 리튬 코발트계 산화물이며, 상기 리튬 코발트계 산화물의 입자는 상기 도핑 원소 M을 3,000ppm 이상 함유하고, 상기 리튬 코발트계 산화물의 입자는, 입자의 중심으로부터 표면까지의 반직경 중 중심측 90%에 해당하는 벌크부에서 상기 도핑 원소 M이 일정한 농도를 갖고,입자의 표면으로부터 중심부 방향으로 100nm까지의 표면부에서 상기 도핑 원소 M이 벌크부보다 높거나 동일한 농도로 함유되며, 표면으로부터 중심부 방향으로 점진적으로 감소하는 농도 구배를 갖는 이차전지용 양극 활물질을 제공한다.
PCT/KR2018/010012 2017-09-19 2018-08-29 이차전지용 양극 활물질, 그 제조방법 및 이를 포함하는 리튬 이차전지 Ceased WO2019059552A2 (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN201880059188.3A CN111095630B (zh) 2017-09-19 2018-08-29 二次电池用正极活性材料、其制备方法以及包含其的锂二次电池
ES18858198T ES2974702T3 (es) 2017-09-19 2018-08-29 Material activo de cátodo para batería secundaria, método de preparación del mismo y batería secundaria de litio que lo comprende
EP18858198.7A EP3671917B1 (en) 2017-09-19 2018-08-29 Cathode active material for secondary battery, preparation method therefor, and lithium secondary battery comprising same
US16/647,307 US11611077B2 (en) 2017-09-19 2018-08-29 Positive electrode active material for secondary battery, method for preparing the same, and lithium secondary battery including the same
JP2020513908A JP7046411B2 (ja) 2017-09-19 2018-08-29 二次電池用正極活物質、その製造方法及びこれを含むリチウム二次電池
PL18858198.7T PL3671917T3 (pl) 2017-09-19 2018-08-29 Materiał aktywny katody do baterii akumulatorowej, sposób jego wytwarzania oraz zawierająca go litowa bateria akumulatorowa

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KR1020170120659A KR102270114B1 (ko) 2017-09-19 2017-09-19 이차전지용 양극 활물질, 그 제조방법 및 이를 포함하는 리튬 이차전지
KR10-2017-0120659 2017-09-19

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WO2019059552A2 WO2019059552A2 (ko) 2019-03-28
WO2019059552A3 true WO2019059552A3 (ko) 2019-05-09

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US (1) US11611077B2 (ko)
EP (1) EP3671917B1 (ko)
JP (1) JP7046411B2 (ko)
KR (1) KR102270114B1 (ko)
CN (1) CN111095630B (ko)
ES (1) ES2974702T3 (ko)
HU (1) HUE065921T2 (ko)
PL (1) PL3671917T3 (ko)
WO (1) WO2019059552A2 (ko)

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CN112292776A (zh) 2018-06-22 2021-01-29 株式会社半导体能源研究所 正极活性物质、正极、二次电池以及正极的制造方法
KR20210148250A (ko) 2019-04-05 2021-12-07 가부시키가이샤 한도오따이 에네루기 켄큐쇼 양극 활물질의 제작 방법, 이차 전지의 제작 방법, 및 이차 전지
CN116062806A (zh) 2019-04-05 2023-05-05 株式会社半导体能源研究所 正极活性物质的制造方法
KR102385748B1 (ko) * 2019-04-24 2022-04-11 삼성에스디아이 주식회사 리튬 이차 전지용 양극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지
CN110026200B (zh) * 2019-04-24 2020-12-25 中国科学技术大学 一种La单原子掺杂的钴酸锂纳米催化剂、其制备方法及其应用
CN110391414A (zh) * 2019-06-19 2019-10-29 重庆市维都利新能源有限公司 一种高能量密度聚合物锂离子电池及其制备方法
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KR20210031324A (ko) 2019-09-11 2021-03-19 주식회사 엘지화학 이차전지용 양극 활물질 및 이를 포함하는 리튬 이차전지
KR20220122655A (ko) * 2019-12-27 2022-09-02 가부시키가이샤 한도오따이 에네루기 켄큐쇼 양극 활물질, 이차 전지, 전자 기기
JP7780722B2 (ja) * 2020-05-29 2025-12-05 パナソニックＩｐマネジメント株式会社 非水電解質二次電池用正極活物質および非水電解質二次電池
CN112271277B (zh) * 2020-09-27 2023-07-18 溧阳天目先导电池材料科技有限公司 一种含有金属元素梯度掺杂的负极材料及其应用
KR20230106618A (ko) * 2020-11-09 2023-07-13 가부시키가이샤 한도오따이 에네루기 켄큐쇼 양극 활물질, 리튬 이온 이차 전지, 및 차량
CN112103496B (zh) * 2020-11-10 2021-01-29 湖南长远锂科股份有限公司 一种高镍三元正极材料及其制备方法
CN115036460A (zh) * 2021-03-05 2022-09-09 珠海冠宇电池股份有限公司 一种正极活性物质及包括该正极活性物质的锂离子电池
JP7176707B1 (ja) * 2021-06-24 2022-11-22 Ｄｏｗａエコシステム株式会社 再生正極材前駆体、再生正極材およびそれらの製造方法、並びに再生リチウムイオン二次電池
KR20230006335A (ko) * 2021-07-02 2023-01-10 삼성전자주식회사 양극, 이를 포함하는 전기화학 전지, 및 이의 제조방법
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KR102887053B1 (ko) * 2021-11-05 2025-11-14 삼성에스디아이 주식회사 리튬이차전지용 양극 활물질, 그 제조방법, 이를 포함한 양극을 함유한 리튬이차전지
CN114068939A (zh) * 2022-01-17 2022-02-18 英德市科恒新能源科技有限公司 钴酸锂正极材料及其制备方法、锂离子电池
KR20250094449A (ko) * 2023-12-18 2025-06-25 포스코홀딩스 주식회사 리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지
CN119330425B (zh) * 2024-10-18 2025-10-31 荆门市格林美新材料有限公司 一种双梯度正极前驱体材料及其制备方法与应用

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