KR100371400B1 - 흑연화 탄소부극을 사용하는 pan계 고분자 전지 - Google Patents
흑연화 탄소부극을 사용하는 pan계 고분자 전지 Download PDFInfo
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- KR100371400B1 KR100371400B1 KR10-1999-0028686A KR19990028686A KR100371400B1 KR 100371400 B1 KR100371400 B1 KR 100371400B1 KR 19990028686 A KR19990028686 A KR 19990028686A KR 100371400 B1 KR100371400 B1 KR 100371400B1
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- Prior art keywords
- lithium
- lithium ion
- electrolyte
- polymer battery
- polyacrylonitrile
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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
-
- 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
- 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
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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
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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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
-
- 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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
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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
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
- H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
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- 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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- Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Dispersion Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
전지의 전해질 종류(가소제 중량 조성비) | 전지 특성 | ||
초기 용량(mAh) | 100 회 후 용량 (mAh) | 0 ℃ 방전 효율(%) | |
비교예 1의 전해질 (EC 100 % 단독) | 37.5 | 31.9 | 3 |
비교예 2의 전해질 (EC:PC = 50:50) | 25.2 | 17.64 | 89 |
실시예 3의 전해질 (EC:t-BC = 50:50) | 30.3 | 25.8 | 77 |
실시예 4의 전해질 (EC:t-EMDO = 50:50) | 31.9 | 27.1 | 80 |
Claims (7)
- 리튬 이온 고분자 전지에 있어서a) 부극 활물질로서 리튬의 가역적인 저장과 방출이 가능한 흑연화 탄소;b) 정극 활물질로서 리튬의 가역적인 저장과 방출이 가능한 리튬 함유전이 금속 산화물; 및c) ⅰ) 리튬염ⅱ) 폴리아크릴로니트릴계 고분자; 및ⅲ) 트랜스 구조를 갖는 하기 화학식 1로 나타내는 환상 카보네이트 화합물, 또는 이 환상 카보네이트 화합물과 에틸렌카보네이트와의 혼합물로 이루어진 군으로부터 선택되는 가소제[화학식 1](상기 식에서,R1과 R2이 동시에 메틸이면, 트랜스-2,3-부틸렌카보네이트이고,R1이 메틸이고, R2가 에틸이면, 트랜스-4-에틸-5-메틸-1,3-디옥소란-2-온)를 포함하는 고분자 전해질을 포함하는 리튬 이온 고분자 전지.
- 제 1 항에 있어서,상기 a)의 흑연화 탄소는 X 선 회절로 측정된 탄소질 재료의 결정면 거리 상수 d002 값이 0.338 ㎚ 이하이며, BET법으로 측정된 비표면적이 10 ㎡/g 이하인 리튬 이온 고분자 전지.
- 제 1 항에 있어서,상기 b)의 리튬 함유 전이 금속 산화물이 LiCoO2, LiNiO2, LiMn2O4, 및 LiNi1-xCoxO2로 이루어진 군으로부터 선택되는 리튬 이온 고분자 전지.
- 제 1 항에 있어서,상기 c) ⅰ)의 리튬염이 LiClO4, LiCF3SO3, LiPF6, LiBF4, LiAsF6, 및 LiN(CF3SO2)2로 이루어진 군으로부터 선택되는 리튬 이온 고분자 전지.
- 제 1 항에 있어서,상기 c) ⅱ)의 폴리아크릴로니트릴계 고분자가 폴리아크릴로니트릴 호모폴리머, 폴리(아크릴로니트릴-메틸 아크릴레이트)코폴리머로 이루어진 군으로부터 선택되는 리튬 이온 고분자 전지.
- 제 1 항에 있어서,상기 c) ⅲ)의 가소제의 전해질내 함유량이 50∼80 중량%인 리튬 이온 고분자 전지.
- 제 1 항에 있어서,상기 c) ⅲ)의 환상 카보네이트 화합물과 에틸렌카보네이트와의 혼합물의 혼합비가 중량비로 10∼70 : 90∼30인 리튬 이온 고분자 전지.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR10-1999-0028686A KR100371400B1 (ko) | 1999-07-15 | 1999-07-15 | 흑연화 탄소부극을 사용하는 pan계 고분자 전지 |
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KR10-1999-0028686A KR100371400B1 (ko) | 1999-07-15 | 1999-07-15 | 흑연화 탄소부극을 사용하는 pan계 고분자 전지 |
Publications (2)
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KR20010010013A KR20010010013A (ko) | 2001-02-05 |
KR100371400B1 true KR100371400B1 (ko) | 2003-02-07 |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05325972A (ja) * | 1992-05-15 | 1993-12-10 | Kanebo Ltd | 有機電解質電池 |
JPH05325965A (ja) * | 1992-05-15 | 1993-12-10 | Kanebo Ltd | 有機電解質電池 |
JPH07326385A (ja) * | 1994-05-30 | 1995-12-12 | Sanyo Electric Co Ltd | 非水電解液電池 |
KR970072538A (ko) * | 1996-04-19 | 1997-11-07 | 홍건희 | 고분자 전해질을 사용한 리튬 또는 리튬이온 이차전지 |
KR970077798A (ko) * | 1996-05-10 | 1997-12-12 | 홍건희 | 리튬 이차전지용 고분자 전해질 |
KR980006592A (ko) * | 1996-06-20 | 1998-03-30 | 홍건희 | 리튬 이차 전지 |
JPH11116792A (ja) * | 1997-10-21 | 1999-04-27 | Nec Corp | 高分子電解質及びこれを用いた二次電池 |
KR19990086306A (ko) * | 1998-05-27 | 1999-12-15 | 박호군 | 고체고분자 전해질 및 리튬고분자 전지의 제조방법 |
-
1999
- 1999-07-15 KR KR10-1999-0028686A patent/KR100371400B1/ko not_active IP Right Cessation
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05325972A (ja) * | 1992-05-15 | 1993-12-10 | Kanebo Ltd | 有機電解質電池 |
JPH05325965A (ja) * | 1992-05-15 | 1993-12-10 | Kanebo Ltd | 有機電解質電池 |
JPH07326385A (ja) * | 1994-05-30 | 1995-12-12 | Sanyo Electric Co Ltd | 非水電解液電池 |
KR970072538A (ko) * | 1996-04-19 | 1997-11-07 | 홍건희 | 고분자 전해질을 사용한 리튬 또는 리튬이온 이차전지 |
KR970077798A (ko) * | 1996-05-10 | 1997-12-12 | 홍건희 | 리튬 이차전지용 고분자 전해질 |
KR980006592A (ko) * | 1996-06-20 | 1998-03-30 | 홍건희 | 리튬 이차 전지 |
JPH11116792A (ja) * | 1997-10-21 | 1999-04-27 | Nec Corp | 高分子電解質及びこれを用いた二次電池 |
KR19990086306A (ko) * | 1998-05-27 | 1999-12-15 | 박호군 | 고체고분자 전해질 및 리튬고분자 전지의 제조방법 |
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