WO2022158950A3 - 리튬 이차전지용 세퍼레이터 및 이를 구비한 리튬 이차전지 - Google Patents

리튬 이차전지용 세퍼레이터 및 이를 구비한 리튬 이차전지 Download PDF

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Publication number
WO2022158950A3
WO2022158950A3 PCT/KR2022/001333 KR2022001333W WO2022158950A3 WO 2022158950 A3 WO2022158950 A3 WO 2022158950A3 KR 2022001333 W KR2022001333 W KR 2022001333W WO 2022158950 A3 WO2022158950 A3 WO 2022158950A3
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WIPO (PCT)
Prior art keywords
secondary battery
lithium secondary
separator
same
inorganic particles
Prior art date
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PCT/KR2022/001333
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English (en)
French (fr)
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WO2022158950A2 (ko
Inventor
이주성
유비오
Original Assignee
주식회사 엘지화학
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Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to US18/037,467 priority Critical patent/US20230411789A1/en
Priority to EP22742926.3A priority patent/EP4184698A2/en
Priority to JP2022576183A priority patent/JP2023529704A/ja
Priority to CN202280004942.XA priority patent/CN115668624A/zh
Publication of WO2022158950A2 publication Critical patent/WO2022158950A2/ko
Publication of WO2022158950A3 publication Critical patent/WO2022158950A3/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
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/446—Composite material consisting of a mixture of organic and inorganic materials
    • 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
    • H01M10/058—Construction or manufacture
    • H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/44—Fibrous material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H01M50/491—Porosity
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • 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)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Cell Separators (AREA)
  • Secondary Cells (AREA)

Abstract

본 발명은 다공성 고분자 기재; 및 상기 다공성 고분자 기재의 적어도 일면에 위치하며, 나노섬유 스캐폴드, 무기물 입자 및 바인더 고분자를 포함하고, 상기 나노섬유 스캐폴드의 공극에 상기 무기물 입자가 끼어 있는 구조의 유무기 복합 다공성층을 포함하며, 상기 무기물 입자의 BET 비표면적이 20 내지 75 m2/g이고, 상기 바인더 고분자는 유무기 복합 다공성층 100 중량% 대비 2 중량% 내지 5 중량%으로 포함된 리튬 이차전지용 세퍼레이터 및 이를 구비한 리튬 이차전지에 관한 것이다.
PCT/KR2022/001333 2021-01-25 2022-01-25 리튬 이차전지용 세퍼레이터 및 이를 구비한 리튬 이차전지 WO2022158950A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US18/037,467 US20230411789A1 (en) 2021-01-25 2022-01-25 Separator for Lithium Secondary Battery and Lithium Secondary Battery Including the Same
EP22742926.3A EP4184698A2 (en) 2021-01-25 2022-01-25 Separator for lithium secondary battery and lithium secondary battery having same
JP2022576183A JP2023529704A (ja) 2021-01-25 2022-01-25 リチウム二次電池用セパレータ及びそれを備えたリチウム二次電池
CN202280004942.XA CN115668624A (zh) 2021-01-25 2022-01-25 锂二次电池用隔膜以及包含所述隔膜的锂二次电池

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20210010311 2021-01-25
KR10-2021-0010311 2021-01-25

Publications (2)

Publication Number Publication Date
WO2022158950A2 WO2022158950A2 (ko) 2022-07-28
WO2022158950A3 true WO2022158950A3 (ko) 2022-09-15

Family

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PCT/KR2022/001333 WO2022158950A2 (ko) 2021-01-25 2022-01-25 리튬 이차전지용 세퍼레이터 및 이를 구비한 리튬 이차전지

Country Status (6)

Country Link
US (1) US20230411789A1 (ko)
EP (1) EP4184698A2 (ko)
JP (1) JP2023529704A (ko)
KR (1) KR20220107983A (ko)
CN (1) CN115668624A (ko)
WO (1) WO2022158950A2 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10720624B2 (en) * 2010-08-02 2020-07-21 Celgard, Llc Ultra high melt temperature microporous high temperature battery separators and related methods

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140070484A (ko) * 2012-11-30 2014-06-10 주식회사 엘지화학 표면 특성이 다른 무기물 입자의 이중 다공성 코팅층을 포함하는 이차전지용 분리막, 이를 포함하는 이차전지, 및 상기 분리막의 제조방법
KR20140138806A (ko) * 2012-03-02 2014-12-04 코넬 유니버시티 나노섬유들을 포함하는 리튬 이온 배터리들
JP6082699B2 (ja) * 2011-11-28 2017-02-15 東レバッテリーセパレータフィルム株式会社 多孔質フィルム、蓄電デバイス用セパレータおよび蓄電デバイス
JP2020145008A (ja) * 2019-03-04 2020-09-10 旭化成株式会社 リチウムイオン二次電池用セパレータ
WO2020225018A1 (en) * 2019-05-07 2020-11-12 Evonik Operations Gmbh Lithium-ion battery separator coated with surface treated alumina

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102360297B1 (ko) 2019-07-19 2022-02-09 고려대학교 산학협력단 Pd-l1 발현을 이용한 다발골수종 예후 예측을 위한 정보 제공 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6082699B2 (ja) * 2011-11-28 2017-02-15 東レバッテリーセパレータフィルム株式会社 多孔質フィルム、蓄電デバイス用セパレータおよび蓄電デバイス
KR20140138806A (ko) * 2012-03-02 2014-12-04 코넬 유니버시티 나노섬유들을 포함하는 리튬 이온 배터리들
KR20140070484A (ko) * 2012-11-30 2014-06-10 주식회사 엘지화학 표면 특성이 다른 무기물 입자의 이중 다공성 코팅층을 포함하는 이차전지용 분리막, 이를 포함하는 이차전지, 및 상기 분리막의 제조방법
JP2020145008A (ja) * 2019-03-04 2020-09-10 旭化成株式会社 リチウムイオン二次電池用セパレータ
WO2020225018A1 (en) * 2019-05-07 2020-11-12 Evonik Operations Gmbh Lithium-ion battery separator coated with surface treated alumina

Also Published As

Publication number Publication date
JP2023529704A (ja) 2023-07-11
CN115668624A (zh) 2023-01-31
EP4184698A2 (en) 2023-05-24
WO2022158950A2 (ko) 2022-07-28
KR20220107983A (ko) 2022-08-02
US20230411789A1 (en) 2023-12-21

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