WO2022158951A3 - 리튬 이차전지용 세퍼레이터 및 이를 구비한 리튬 이차전지 - Google Patents

리튬 이차전지용 세퍼레이터 및 이를 구비한 리튬 이차전지 Download PDF

Info

Publication number
WO2022158951A3
WO2022158951A3 PCT/KR2022/001334 KR2022001334W WO2022158951A3 WO 2022158951 A3 WO2022158951 A3 WO 2022158951A3 KR 2022001334 W KR2022001334 W KR 2022001334W WO 2022158951 A3 WO2022158951 A3 WO 2022158951A3
Authority
WO
WIPO (PCT)
Prior art keywords
secondary battery
lithium secondary
separator
organic
same
Prior art date
Application number
PCT/KR2022/001334
Other languages
English (en)
French (fr)
Other versions
WO2022158951A2 (ko
Inventor
이주성
유비오
정길안
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.)
Filing date
Publication date
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to US18/008,801 priority Critical patent/US20230223659A1/en
Priority to CN202280004852.0A priority patent/CN115668623A/zh
Priority to EP22742927.1A priority patent/EP4184699A2/en
Priority to JP2022574286A priority patent/JP7495528B2/ja
Publication of WO2022158951A2 publication Critical patent/WO2022158951A2/ko
Publication of WO2022158951A3 publication Critical patent/WO2022158951A3/ko

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • H01M50/403—Manufacturing processes of separators, membranes or diaphragms
    • 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
    • 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
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • 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
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/417—Polyolefins
    • 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
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/423—Polyamide resins
    • 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
    • H01M50/431—Inorganic 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
    • H01M50/431—Inorganic material
    • H01M50/434—Ceramics
    • 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
    • H01M50/443—Particulate 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
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/451—Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic 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
    • H01M50/457—Separators, membranes or diaphragms characterised by the material having a layered structure comprising three or more layers
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Ceramic Engineering (AREA)
  • Cell Separators (AREA)
  • Secondary Cells (AREA)

Abstract

본 발명은 안전성이 매우 우수한 세퍼레이터 및 이를 구비하는 리튬 이차전지에 관한 것으로, 본 발명의 일 실시양태에 따른 세퍼레이터는 다공성 고분자 기재; 및 상기 다공성 고분자 기재의 적어도 일면에 위치되어 있으며, 무기물 입자 및 바인더 고분자를 포함하는 유무기 복합 다공성층을 포함하고, 상기 무기물 입자의 BET 비표면적 값이 50 m2/g 내지 150 m2/g 이고, 상기 유무기 복합 다공성층의 두께가 상기 다공성 고분자 기재의 두께보다 두껍고, 상기 유무기 복합 다공성층 표면의 산술 평균 거칠기가 100 nm 내지 500 nm이다.
PCT/KR2022/001334 2021-01-25 2022-01-25 리튬 이차전지용 세퍼레이터 및 이를 구비한 리튬 이차전지 WO2022158951A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US18/008,801 US20230223659A1 (en) 2021-01-25 2022-01-25 Separator for Lithium Secondary Battery and Lithium Secondary Battery Including the Same
CN202280004852.0A CN115668623A (zh) 2021-01-25 2022-01-25 锂二次电池用隔膜和包含其的锂二次电池
EP22742927.1A EP4184699A2 (en) 2021-01-25 2022-01-25 Separator for lithium secondary battery and lithium secondary battery comprising same
JP2022574286A JP7495528B2 (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

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20210010310 2021-01-25
KR10-2021-0010310 2021-01-25

Publications (2)

Publication Number Publication Date
WO2022158951A2 WO2022158951A2 (ko) 2022-07-28
WO2022158951A3 true WO2022158951A3 (ko) 2022-09-15

Family

ID=82548960

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2022/001334 WO2022158951A2 (ko) 2021-01-25 2022-01-25 리튬 이차전지용 세퍼레이터 및 이를 구비한 리튬 이차전지

Country Status (5)

Country Link
US (1) US20230223659A1 (ko)
EP (1) EP4184699A2 (ko)
KR (1) KR20220107984A (ko)
CN (1) CN115668623A (ko)
WO (1) WO2022158951A2 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230169773A (ko) * 2022-06-09 2023-12-18 에스케이이노베이션 주식회사 분리막, 이의 제조방법 및 상기 분리막을 포함하는 전기화학소자
CN117239220B (zh) * 2023-11-14 2024-02-23 珠海冠宇电池股份有限公司 一种电芯

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
KR20210010310A (ko) 2019-07-18 2021-01-27 롬엔드하스전자재료코리아유한회사 복수 종의 호스트 재료 및 이를 포함하는 유기 전계 발광 소자

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
US20230223659A1 (en) 2023-07-13
JP2023529141A (ja) 2023-07-07
EP4184699A2 (en) 2023-05-24
KR20220107984A (ko) 2022-08-02
CN115668623A (zh) 2023-01-31
WO2022158951A2 (ko) 2022-07-28

Similar Documents

Publication Publication Date Title
WO2022158951A3 (ko) 리튬 이차전지용 세퍼레이터 및 이를 구비한 리튬 이차전지
CA2282385A1 (en) Non-aqueous secondary battery and method for manufacturing the same
WO2022158857A3 (ko) 전극 조립체, 배터리 및 이를 포함하는 배터리 팩 및 자동차
EP1696499A4 (en) ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, LITHIUM-ION SECONDARY BATTERY USING SAID ELECTRODE, AND PROCESS FOR PRODUCING SAID LITHIUM-ION SECONDARY BATTERY
WO2003026037A3 (en) Multilayer separator for lead-acid batteries
EP3910703A3 (en) Electrochemical apparatus and electronic apparatus
EP1739768A4 (en) LITHIUMION SECONDARY BATTERY AND CHARGING / UNLOADING SYSTEM FOR THIS
TW200613138A (en) Microporous polyolefin film
WO2018084526A3 (ko) 리튬 이차 전지용 양극 및 이를 포함하는 리튬 이차 전지
US20230114956A1 (en) Heat insulating material for battery and battery
EP1416573A3 (en) Negative electrode for lithium secondary battery and lithium secondary battery comprising same
WO2004021499A3 (de) Elektrischer separator, verfahren zu dessen herstellung und verwendung in lithium-hochleistungsbatterien
CA2469255A1 (en) Structured boards with matched surface
EP4235939A3 (en) Lithium ion battery using crosslinkable separator
WO2005096414A3 (de) Nanoskalige siliziumpartikel in negativen elektrodenmaterialien für lithium-ionen-batterien
MX2014006865A (es) Pelicula separadora de alta porosidad con recubrimiento.
WO2011115376A3 (ko) 세퍼레이터 및 이를 구비한 전기화학소자
WO2019013525A3 (ko) 리튬 이차 전지용 음극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지
WO2006071360B1 (en) Manifold gasket accommodating differential movement of fuel cell stack
EP4235899A3 (en) Composite single-layer chemically cross-linked separator
CA2696233A1 (en) Single fuel cell with thickness control layer
WO2019075457A3 (en) Multilayer nanoporous separator
WO2011118984A3 (ko) 전기화학소자용 세퍼레이터, 그 제조방법 및 이를 구비한 전기화학소자
WO2003043103A8 (en) Nonwoven separator for electrochemical cell
WO2019066129A3 (ko) 복합음극활물질, 이의 제조 방법 및 이를 포함하는 음극을 구비한 리튬이차전지

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22742927

Country of ref document: EP

Kind code of ref document: A2

ENP Entry into the national phase

Ref document number: 2022574286

Country of ref document: JP

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 2022742927

Country of ref document: EP

Effective date: 20230215

NENP Non-entry into the national phase

Ref country code: DE