KR970077798A - 리튬 이차전지용 고분자 전해질 - Google Patents

리튬 이차전지용 고분자 전해질 Download PDF

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Publication number
KR970077798A
KR970077798A KR1019960015321A KR19960015321A KR970077798A KR 970077798 A KR970077798 A KR 970077798A KR 1019960015321 A KR1019960015321 A KR 1019960015321A KR 19960015321 A KR19960015321 A KR 19960015321A KR 970077798 A KR970077798 A KR 970077798A
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KR
South Korea
Prior art keywords
polymer electrolyte
carbonate
secondary battery
lithium secondary
mol
Prior art date
Application number
KR1019960015321A
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English (en)
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KR100201351B1 (ko
Inventor
현오영
신영준
Original Assignee
홍건희
한국타이어제조 주식회사
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Application filed by 홍건희, 한국타이어제조 주식회사 filed Critical 홍건희
Priority to KR1019960015321A priority Critical patent/KR100201351B1/ko
Publication of KR970077798A publication Critical patent/KR970077798A/ko
Application granted granted Critical
Publication of KR100201351B1 publication Critical patent/KR100201351B1/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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
    • H01B1/12—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances organic substances
    • H01B1/122—Ionic conductors
    • 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
    • H01M2300/00—Electrolytes
    • H01M2300/0017—Non-aqueous electrolytes
    • H01M2300/0065—Solid electrolytes
    • H01M2300/0082—Organic polymers
    • 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)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Secondary Cells (AREA)

Abstract

본 발명은 올레핀계 극성 고분자, 알카리염 및 고리형 카보네이트와 선형의 카보네이트를 혼합한 가소제로 이루어진 고분자 전해질로서, 본 발명의 고분자 전해질은 필름 성형성이 좋고, 높은 이온전도도 및 고내전압 특성을 갖고 있기 때문에 용량이 크고 충방전 싸이클 특성 및 고내전압 특성이 우수한 리튬 이차전지를 제조하는데 적합하게 사용된다.

Description

리튬 이차전지용 고분자 전해질
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 고분자 전해질을 사용한 리튬 이차전지의 10회 및 100회 충방전한 후의 비교된 용량의 증감을 나타낸 그래프이다.

Claims (3)

  1. 폴리올레핀계 극성 고분자 10 내지 30몰%, 알카리염 5 내지 15몰% 및 가소제로써 고리형 카보네이트 45 내지 60몰%와 선형 카보네이트 20 내지 30몰%의 혼합물로 이루어진 고분자 전해질.
  2. 제1항에 있어서, 선형 카보네이트로는 디에틸 카보네이트, 디메틸 카보네이트 또는 메틸에틸 카보네이트를 사용한 고분자 전해질.
  3. 제1항에 있어서, 선형 카보네이트와 고리형 카보네이트를 2성분 또는 3성분계로 혼합하여 사용한 고분자 전해질.
    ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
KR1019960015321A 1996-05-10 1996-05-10 리튬 이차전지용 고분자 전해질 KR100201351B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960015321A KR100201351B1 (ko) 1996-05-10 1996-05-10 리튬 이차전지용 고분자 전해질

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960015321A KR100201351B1 (ko) 1996-05-10 1996-05-10 리튬 이차전지용 고분자 전해질

Publications (2)

Publication Number Publication Date
KR970077798A true KR970077798A (ko) 1997-12-12
KR100201351B1 KR100201351B1 (ko) 1999-06-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960015321A KR100201351B1 (ko) 1996-05-10 1996-05-10 리튬 이차전지용 고분자 전해질

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KR (1) KR100201351B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100371400B1 (ko) * 1999-07-15 2003-02-07 주식회사 엘지화학 흑연화 탄소부극을 사용하는 ｐａｎ계 고분자 전지

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100497249B1 (ko) * 2003-04-28 2005-06-23 삼성에스디아이 주식회사 리튬 이온 이차 전지

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100371400B1 (ko) * 1999-07-15 2003-02-07 주식회사 엘지화학 흑연화 탄소부극을 사용하는 ｐａｎ계 고분자 전지

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Publication number Publication date
KR100201351B1 (ko) 1999-06-15

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