WO2019035669A3 - 리튬 이차전지용 음극 및 이를 포함하는 리튬 이차전지 - Google Patents

리튬 이차전지용 음극 및 이를 포함하는 리튬 이차전지 Download PDF

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WO2019035669A3
WO2019035669A3 PCT/KR2018/009420 KR2018009420W WO2019035669A3 WO 2019035669 A3 WO2019035669 A3 WO 2019035669A3 KR 2018009420 W KR2018009420 W KR 2018009420W WO 2019035669 A3 WO2019035669 A3 WO 2019035669A3
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negative electrode
secondary battery
lithium secondary
carbon
active material
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PCT/KR2018/009420
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French (fr)
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WO2019035669A2 (ko
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이수민
이용주
김은경
신선영
오일근
조래환
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주식회사 엘지화학
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Priority to EP18845787.3A priority Critical patent/EP3654423B1/en
Priority to CN201880053565.2A priority patent/CN111033824B/zh
Priority to PL18845787T priority patent/PL3654423T3/pl
Publication of WO2019035669A2 publication Critical patent/WO2019035669A2/ko
Publication of WO2019035669A3 publication Critical patent/WO2019035669A3/ko
Priority to US16/787,535 priority patent/US11283062B2/en

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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
    • H—ELECTRICITY
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    • H01M10/052—Li-accumulators
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    • H—ELECTRICITY
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    • H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
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    • H01M2004/027—Negative electrodes
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Abstract

음극 집전체; 상기 음극 집전체의 적어도 일면에 위치되고, 제1 탄소계 음극 활물질, 제1 고분자 바인더 및 제1 도전재를 포함하는 제1 음극 합제층; 상기 제1 음극 합제층의 상면에 위치되고, 규소계 음극 활물질, 제2 고분자 바인더 및 제2 도전재를 포함하는 제2 음극 합제층; 및 상기 제2 음극 합제층의 상면에 위치되고, 제2 탄소계 음극 활물질, 제3 고분자 바인더 및 제3 도전재를 포함하는 제3 음극 합제층;을 포함하고, 상기 제1 탄소계 음극 활물질이 구형 형상 및 산화 처리된 표면부를 가지고, 상기 제2 탄소계 음극 활물질이 플레이크형 형상 및 카본 코팅 처리된 표면부를 가지는 리튬 이차전지용 음극, 및 이를 구비하는 리튬 이차전지가 제시된다.
PCT/KR2018/009420 2017-08-18 2018-08-16 리튬 이차전지용 음극 및 이를 포함하는 리튬 이차전지 WO2019035669A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP18845787.3A EP3654423B1 (en) 2017-08-18 2018-08-16 Negative electrode for lithium secondary battery and lithium secondary battery comprising same
CN201880053565.2A CN111033824B (zh) 2017-08-18 2018-08-16 锂二次电池用负极和包含其的锂二次电池
PL18845787T PL3654423T3 (pl) 2017-08-18 2018-08-16 Elektroda ujemna dla akumulatora litowego i zawierający ją akumulator litowy
US16/787,535 US11283062B2 (en) 2017-08-18 2020-02-11 Negative electrode for lithium secondary battery and lithium secondary battery comprising same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0105004 2017-08-18
KR20170105004 2017-08-18

Related Child Applications (1)

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US16/787,535 Continuation US11283062B2 (en) 2017-08-18 2020-02-11 Negative electrode for lithium secondary battery and lithium secondary battery comprising same

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WO2019035669A2 WO2019035669A2 (ko) 2019-02-21
WO2019035669A3 true WO2019035669A3 (ko) 2019-04-11

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US (1) US11283062B2 (ko)
EP (1) EP3654423B1 (ko)
KR (1) KR102255492B1 (ko)
CN (1) CN111033824B (ko)
PL (1) PL3654423T3 (ko)
WO (1) WO2019035669A2 (ko)

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KR20230017051A (ko) * 2021-07-27 2023-02-03 삼성에스디아이 주식회사 리튬 이차 전지용 음극 및 이를 포함하는 리튬 이차 전지
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KR20230119523A (ko) * 2022-02-07 2023-08-16 삼성에스디아이 주식회사 리튬 이차 전지용 음극 및 이를 포함하는 리튬 이차 전지
WO2023249445A1 (ko) * 2022-06-23 2023-12-28 주식회사 엘지에너지솔루션 리튬 이차 전지용 음극, 리튬 이차 전지용 음극의 제조 방법 및 음극을 포함하는 리튬 이차 전지
CN114975860B (zh) * 2022-06-28 2024-05-07 重庆冠宇电池有限公司 一种负极片和电池
CN115084437A (zh) * 2022-08-23 2022-09-20 宁德时代新能源科技股份有限公司 负极极片及其制备方法、二次电池及用电装置
WO2024181832A1 (ko) * 2023-02-27 2024-09-06 주식회사 엘지에너지솔루션 내부 단락에 대한 안전성이 개선된 리튬 이차전지 및 이를 위한 리튬 이차전지 시스템

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KR20140079702A (ko) * 2012-12-19 2014-06-27 삼성에스디아이 주식회사 리튬 이차 전지용 음극, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지
KR20140138079A (ko) * 2013-05-23 2014-12-03 주식회사 엘지화학 다층의 활물질층을 포함하는 리튬 이차전지
KR20150118304A (ko) * 2014-04-14 2015-10-22 한국과학기술연구원 리튬 이차전지용 음극, 이의 제조방법 및 이를 포함하는 리튬 이차전지
KR20160122937A (ko) * 2015-04-14 2016-10-25 한경대학교 산학협력단 전기방사 탄소 나노섬유를 이용한 리튬 이차전지용 음극활물질 및 그 제조방법

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EP3654423B1 (en) 2021-11-24
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WO2019035669A2 (ko) 2019-02-21
EP3654423A2 (en) 2020-05-20
KR102255492B1 (ko) 2021-05-27
US11283062B2 (en) 2022-03-22
EP3654423A4 (en) 2020-07-15
PL3654423T3 (pl) 2022-06-13
CN111033824B (zh) 2022-09-06
KR20190019854A (ko) 2019-02-27

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