KR100284343B1 - 이차전지의 전극군 - Google Patents
이차전지의 전극군 Download PDFInfo
- Publication number
- KR100284343B1 KR100284343B1 KR1019990002338A KR19990002338A KR100284343B1 KR 100284343 B1 KR100284343 B1 KR 100284343B1 KR 1019990002338 A KR1019990002338 A KR 1019990002338A KR 19990002338 A KR19990002338 A KR 19990002338A KR 100284343 B1 KR100284343 B1 KR 100284343B1
- Authority
- KR
- South Korea
- Prior art keywords
- electrode
- secondary battery
- electrodes
- roll
- electrode group
- Prior art date
Links
- 244000144992 flock Species 0.000 title 1
- 239000011149 active material Substances 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 239000007773 negative electrode material Substances 0.000 description 5
- 239000007774 positive electrode material Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910000652 nickel hydride Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Classifications
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0431—Cells with wound or folded electrodes
-
- 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
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- 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
- H01M4/043—Processes of manufacture in general involving compressing or compaction
-
- 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
-
- 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
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (7)
- 세퍼레이터의 양측에 양극과 음극으로 된 두 전극이 대면되고 평탄부와 곡선부를 갖는 이차전지의 전극군에 있어서,상기 전극의 어느 하나는 상기 곡선부에서 전극기재의 표면에 활물질이 도포되지 않는 무지부가 배치되는 것을 특징으로 하는 이차전지의 전극군.
- 제 1 항에 있어서, 상기 무지부는 전극의 길이 방향 어느 한 쪽으로 간격이 점차 줄어드는 것을 특징으로 하는 이차전지의 전극군.
- 제 1 항에 있어서, 상기 전극은 리튬이 함유된 것을 특징으로 하는 이차전지의 전극군.
- 제 1 항에 있어서, 상기 세퍼레이터와 함께 두 전극이 권취된 후 압착되어 전극롤이 되는 것을 특징으로 하는 이차전지의 전극군.
- 제 4 항에 있어서, 상기 전극롤에서 상기 두 전극 중 무지부를 갖는 전극이 나머지 전극보다 더 안쪽에 배치되는 것을 특징으로 하는 이차전지의 전극군.
- 제 4 항에 있어서, 상기 전극롤의 권취 중심부를 봤을 때 평탄부에서 전극기재에 활물질이 도포되는 것을 특징으로 하는 이차전지의 전극군.
- 제 6 항에 있어서, 상기 전극롤은 파우치에 삽입되는 것을 특징으로 하는 이차전지의 전극군.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990002338A KR100284343B1 (ko) | 1999-01-26 | 1999-01-26 | 이차전지의 전극군 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990002338A KR100284343B1 (ko) | 1999-01-26 | 1999-01-26 | 이차전지의 전극군 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000051739A KR20000051739A (ko) | 2000-08-16 |
KR100284343B1 true KR100284343B1 (ko) | 2001-03-02 |
Family
ID=19572364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990002338A KR100284343B1 (ko) | 1999-01-26 | 1999-01-26 | 이차전지의 전극군 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100284343B1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100440929B1 (ko) * | 2001-10-16 | 2004-07-21 | 삼성에스디아이 주식회사 | 각형 2차 전지용 전극 구조 |
KR100601559B1 (ko) * | 2004-07-28 | 2006-07-19 | 삼성에스디아이 주식회사 | 권취형 전극 조립체 및 이를 구비하는 리튬 이차 전지 |
KR101352738B1 (ko) * | 2011-12-23 | 2014-01-17 | 주식회사 엘지화학 | 활물질이 패턴 코팅된 젤리-롤형 전극조립체 및 이를 구비한 이차전지 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100399782B1 (ko) * | 2001-03-05 | 2003-09-29 | 삼성에스디아이 주식회사 | 파우치를 외장재로 하는 리튬이온 이차전지 및 그 제조방법 |
US8999543B2 (en) | 2009-09-21 | 2015-04-07 | Samsung Sdi Co., Ltd. | Rechargeable battery with larger curved ends having different radius of curvature |
KR101146401B1 (ko) * | 2009-11-02 | 2012-05-17 | 삼성에스디아이 주식회사 | 이차 전지용 전극조립체 및 그 제조방법 |
US8709637B2 (en) | 2009-11-02 | 2014-04-29 | Samsung Sdi Co., Ltd. | Electrode assembly with centrally wound separator member |
KR102484265B1 (ko) | 2015-12-22 | 2023-01-02 | 삼성에스디아이 주식회사 | 전극 조립체 및 이를 이용한 이차 전지 |
-
1999
- 1999-01-26 KR KR1019990002338A patent/KR100284343B1/ko active IP Right Grant
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100440929B1 (ko) * | 2001-10-16 | 2004-07-21 | 삼성에스디아이 주식회사 | 각형 2차 전지용 전극 구조 |
KR100601559B1 (ko) * | 2004-07-28 | 2006-07-19 | 삼성에스디아이 주식회사 | 권취형 전극 조립체 및 이를 구비하는 리튬 이차 전지 |
KR101352738B1 (ko) * | 2011-12-23 | 2014-01-17 | 주식회사 엘지화학 | 활물질이 패턴 코팅된 젤리-롤형 전극조립체 및 이를 구비한 이차전지 |
US9005789B2 (en) | 2011-12-23 | 2015-04-14 | Lg Chem, Ltd. | Jelly-roll type electrode assembly pattern-coated with active material and secondary battery including the same |
Also Published As
Publication number | Publication date |
---|---|
KR20000051739A (ko) | 2000-08-16 |
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