KR970077791A - 안전성이 향상된 리튬 배터리용 불소 함유 용매 - Google Patents

안전성이 향상된 리튬 배터리용 불소 함유 용매 Download PDF

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KR970077791A
KR970077791A KR1019970018149A KR19970018149A KR970077791A KR 970077791 A KR970077791 A KR 970077791A KR 1019970018149 A KR1019970018149 A KR 1019970018149A KR 19970018149 A KR19970018149 A KR 19970018149A KR 970077791 A KR970077791 A KR 970077791A
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formula
fluorine
cfh
carbon atoms
integer
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KR100454990B1 (ko
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베젠하르트 위르겐 옷토
베르너 콘라트 폰
마르틴 빈터
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블라슈케, 폰 베르너
훽스트 아크티엔게젤샤프트
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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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/60—Selection of substances as active materials, active masses, active liquids of organic compounds
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/14—Cells with non-aqueous electrolyte
    • H01M6/16—Cells with non-aqueous electrolyte with organic electrolyte
    • H01M6/162—Cells with non-aqueous electrolyte with organic electrolyte characterised by the electrolyte
    • H01M6/164—Cells with non-aqueous electrolyte with organic electrolyte characterised by the electrolyte by the solvent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0017—Non-aqueous electrolytes
    • H01M2300/0025—Organic electrolyte
    • H01M2300/0028—Organic electrolyte characterised by the solvent
    • H01M2300/0034—Fluorinated solvents
    • 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)
  • Secondary Cells (AREA)

Abstract

본 발명은 하기 화학식(1) 및/또는 화학식(2)의 부분 불소화 에테르를 사용하는 경우, 안전성이 현저하게 향상되는 리튬 2차 배터리에 관한 것이다.
RO-[(CH2)mO]n-CF2-CFH-X (1)
X-CFH-CF2O-[(CH2)mO]n-CF2-CFH-X (2)
상기 화학식 (1) 및 (2)에서, R은 탄소수 1 내지 10의 직쇄 알킬 그룹 또는 탄소수 3 내지 10의 측쇄 알킬 그룹이고, X는 불소, 염소 또는, 에테르성 산소를 포함할 수도 있는 탄소수 1 내지 6의 퍼플루오로알킬 그룹이며, m은 2 내지 6의 정수이고, n은 1 내지 8의 정수이다.
R이 메틸 그룹이고 X가 불소이며 m이 2이고 n이 1 내지 3의 정수인 화학식(1)의 화합물이 바람직하고, m이 2이고 n이 1 내지 3의 정수인 화학식(2)의 화합물도 또한 바람직하다.

Description

안전성이 향상된 리튬 배터리용 불소 함유 용매
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도 내지 제2도는 +40 내지 약 -50℃의 온도 범위에서 온도에 따른 전도율을 도시한다.

Claims (7)

  1. 하기 화학식(1) 및/또는 화학식(2)의 하나 이상의 부분 불소화 에테르가 배터리의 전해질 시스템에 활성량으로 첨가되어 있는, 안전성이 향상된 리튬 배터리용 불소 함유 용매.
    RO-[(CH2)mO]n-CF2-CFH-X (1)
    X-CFH-CF2O-[(CH2)mO]n-CF2-CFH-X (2)
    상기 화학식(1) 및 (2)에서, R은 탄소수 1 내지 10의 직쇄 알킬 그룹 또는 탄소수 3 내지 10의 측쇄 알킬 그룹이고, X는 불소, 염소 또는, 에테르성 산소를 함유할 수도 있는 탄소수 1 내지 6의 퍼플루오로알킬 그룹이며, m은 2 내지 6의 정수이고, n은 1 내지 8의 정수이다.
  2. 화학식(1) 및 화학식(2)에서 X가 불소 또는 트리플루오로메틸인, 제1항에 따르는 전해질.
  3. 화학식(1)에서 R이 메틸 그룹이고 X가 불소이며 m이 2이고 n이 1 내지 3이며 화학식(2)에서 X가 불소이고 m이 2이며 n이 1 내지 3인, 제1항 또는 제2항에 따르는 전해질.
  4. 화학식(1) 및/또는 화학식(2)의 에테르 함량이 전체 전해질 시스템의 5 내지 70용적%, 바람직하게는 20 내지 50용적%인, 제1항 내지 제3항 중의 어느 한 항에 따르는 전해질.
  5. 화학식(1) 및/또는 화학식(2)의 하나 이상의 에테르 이외에 에틸렌 카보네이트 및/또는 프로필렌 카보네이트가 배터리에 첨가되어 있는, 제1항에 따르는 전해질.
  6. 화학식(1) 및 화학식(2)의 에테르를 안정시키기 위해, 표준 압력에서 비점이 100℃ 이상인 3급 지방족 아민이 불소 함유 에테르에 대하여 0.1 내지 1.0중량% 사용되는, 제1항에 따르는 전해질.
  7. 제2항 내지 제6항 중의 어느 한 항에 따르는 전해질 시스템을 함유하는, 안전성이 향상된 리튬 2차 배터리.
    ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
KR1019970018149A 1996-05-13 1997-05-12 안전성이향상된리튬전지용전해질및리튬2차전지 Expired - Fee Related KR100454990B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19619233A DE19619233A1 (de) 1996-05-13 1996-05-13 Fluorhaltige Lösungsmittel für Lithiumbatterien mit erhöhter Sicherheit
DE19619233.1 1996-05-13

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US (1) US5916708A (ko)
EP (1) EP0807986B1 (ko)
JP (1) JP4469934B2 (ko)
KR (1) KR100454990B1 (ko)
DE (2) DE19619233A1 (ko)

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US5916708A (en) 1999-06-29
JPH1050343A (ja) 1998-02-20
DE59712979D1 (de) 2008-12-24
DE19619233A1 (de) 1997-11-20
JP4469934B2 (ja) 2010-06-02
EP0807986A1 (de) 1997-11-19
EP0807986B1 (de) 2008-11-12
KR100454990B1 (ko) 2005-01-13

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