KR100749416B1 - 리튬 이차 전지용 음극 활물질 및 그의 제조 방법 - Google Patents
리튬 이차 전지용 음극 활물질 및 그의 제조 방법 Download PDFInfo
- Publication number
- KR100749416B1 KR100749416B1 KR1019990055897A KR19990055897A KR100749416B1 KR 100749416 B1 KR100749416 B1 KR 100749416B1 KR 1019990055897 A KR1019990055897 A KR 1019990055897A KR 19990055897 A KR19990055897 A KR 19990055897A KR 100749416 B1 KR100749416 B1 KR 100749416B1
- Authority
- KR
- South Korea
- Prior art keywords
- carbon
- active material
- microbeads
- mesophase carbon
- mesophase
- Prior art date
Links
Classifications
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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
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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
- H01M10/052—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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
-
- 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)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Description
용량[mAh/g]/충방전 효율[%] | |||
EC/DMC/DEC | EC/EMC/DEC | EC/DMC/DEC/PC | |
실시예 1 | 325/93.8 | 326/94.0 | 323/93.5 |
실시예 2 | 325/92.8 | 323/93.3 | 324/93.8 |
실시예 3 | 326/92.5 | 326/93.1 | 325/94 |
실시예 4 | 324/93 | 326/92.8 | 324/93.2 |
비교예 1 | 323/93.8 | 322/93.5 | 312/85 |
비교예 2 | 344/90.1 | 342/90.6 | 255/52 |
비교예 3 | 330/91 | 328/90.5 | 321/90 |
비교예 4 | 320/93.5 | 324/93.3 | 310/83 |
Claims (5)
- 메조페이스카본 마이크로비드 코어; 및상기 코어 위에 0.1 내지 20 ㎛의 두께로 형성된 비정질 탄소층을 포함하는 리튬 이차 전지용 음극 활물질.
- 삭제
- 삭제
- 삭제
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990055897A KR100749416B1 (ko) | 1999-12-08 | 1999-12-08 | 리튬 이차 전지용 음극 활물질 및 그의 제조 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990055897A KR100749416B1 (ko) | 1999-12-08 | 1999-12-08 | 리튬 이차 전지용 음극 활물질 및 그의 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010054904A KR20010054904A (ko) | 2001-07-02 |
KR100749416B1 true KR100749416B1 (ko) | 2007-08-14 |
Family
ID=19624345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990055897A KR100749416B1 (ko) | 1999-12-08 | 1999-12-08 | 리튬 이차 전지용 음극 활물질 및 그의 제조 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100749416B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100960138B1 (ko) * | 2007-11-21 | 2010-05-27 | 강원대학교산학협력단 | 리튬 이차 전지용 음극 활물질, 이의 제조 방법 및 이를포함하는 리튬 이차 전지 |
KR101189501B1 (ko) * | 2010-07-16 | 2012-10-11 | 주식회사 엘지화학 | 이차전지용 음극 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0737618A (ja) * | 1993-07-22 | 1995-02-07 | Matsushita Electric Ind Co Ltd | 非水電解液二次電池 |
JPH0831419A (ja) * | 1994-07-14 | 1996-02-02 | Osaka Gas Co Ltd | リチウム二次電池用負極材料およびリチウム二次電池 |
-
1999
- 1999-12-08 KR KR1019990055897A patent/KR100749416B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0737618A (ja) * | 1993-07-22 | 1995-02-07 | Matsushita Electric Ind Co Ltd | 非水電解液二次電池 |
JPH0831419A (ja) * | 1994-07-14 | 1996-02-02 | Osaka Gas Co Ltd | リチウム二次電池用負極材料およびリチウム二次電池 |
Non-Patent Citations (2)
Title |
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07037618 |
08031419 |
Also Published As
Publication number | Publication date |
---|---|
KR20010054904A (ko) | 2001-07-02 |
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