KR100303538B1 - 리튬이차전지용음극활물질및그제조방법 - Google Patents
리튬이차전지용음극활물질및그제조방법 Download PDFInfo
- Publication number
- KR100303538B1 KR100303538B1 KR1019980052140A KR19980052140A KR100303538B1 KR 100303538 B1 KR100303538 B1 KR 100303538B1 KR 1019980052140 A KR1019980052140 A KR 1019980052140A KR 19980052140 A KR19980052140 A KR 19980052140A KR 100303538 B1 KR100303538 B1 KR 100303538B1
- Authority
- KR
- South Korea
- Prior art keywords
- active material
- graphite
- artificial graphite
- plate
- natural graphite
- Prior art date
Links
Classifications
-
- 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
-
- 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
-
- 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
- H01M2300/0025—Organic electrolyte
- H01M2300/0028—Organic electrolyte characterised by the solvent
- H01M2300/0037—Mixture of solvents
- H01M2300/004—Three solvents
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- 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)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
극판밀도(g/㏄) | 가역용량(㎃h/g) | 고율 충방전 특성(㎃h/g) | 100 사이클 후방전 용량(㎃h/g) | |||
0.5C | 1.0C | 2.0C | ||||
실시예 2 | 1.75 | 319 | 304 | 296 | 278 | 280 |
실시예 3 | 1.72 | 340 | 318 | 312 | 285 | 305 |
실시예 4 | 1.81 | 354 | 325 | 316 | 288 | 310 |
실시예 5 | 1.64 | 337 | 316 | 310 | 283 | 306 |
실시예 6 | 1.66 | 1570 | 1545 | 1510 | 1477 | - |
비교예 1 | 2.12 | 333 | 295 | 230 | 160 | 185 |
Claims (2)
- 판상 천연 흑연; 및섬유상 인조 흑연, 구상 인조흑연 및 블록상 인조 흑연으로 이루어진 군에서 선택되는 인조 흑연을 포함하는 리튬 이차 전지용 음극 활물질.
- 제 1항에 있어서, 상기 인조 흑연은 전체 활물질의 20 내지 40중량%인 리튬 이차 전지용 음극 활물질.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980052140A KR100303538B1 (ko) | 1998-12-01 | 1998-12-01 | 리튬이차전지용음극활물질및그제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980052140A KR100303538B1 (ko) | 1998-12-01 | 1998-12-01 | 리튬이차전지용음극활물질및그제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000037532A KR20000037532A (ko) | 2000-07-05 |
KR100303538B1 true KR100303538B1 (ko) | 2001-11-30 |
Family
ID=19560668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980052140A KR100303538B1 (ko) | 1998-12-01 | 1998-12-01 | 리튬이차전지용음극활물질및그제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100303538B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100817977B1 (ko) | 2007-05-03 | 2008-03-31 | 엘에스전선 주식회사 | 2차 전지용 음극재 및 이를 이용한 2차 전지 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102080255B1 (ko) | 2015-11-05 | 2020-02-21 | 주식회사 엘지화학 | 음극활물질 및 이를 포함하는 이차전지용 음극 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05290844A (ja) * | 1992-04-09 | 1993-11-05 | Sanyo Electric Co Ltd | リチウム二次電池 |
-
1998
- 1998-12-01 KR KR1019980052140A patent/KR100303538B1/ko not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05290844A (ja) * | 1992-04-09 | 1993-11-05 | Sanyo Electric Co Ltd | リチウム二次電池 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100817977B1 (ko) | 2007-05-03 | 2008-03-31 | 엘에스전선 주식회사 | 2차 전지용 음극재 및 이를 이용한 2차 전지 |
Also Published As
Publication number | Publication date |
---|---|
KR20000037532A (ko) | 2000-07-05 |
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