KR100300334B1 - 리튬 이차 전지용 양극 활물질 및 그의 제조 방법 - Google Patents
리튬 이차 전지용 양극 활물질 및 그의 제조 방법 Download PDFInfo
- Publication number
- KR100300334B1 KR100300334B1 KR1019990022764A KR19990022764A KR100300334B1 KR 100300334 B1 KR100300334 B1 KR 100300334B1 KR 1019990022764 A KR1019990022764 A KR 1019990022764A KR 19990022764 A KR19990022764 A KR 19990022764A KR 100300334 B1 KR100300334 B1 KR 100300334B1
- Authority
- KR
- South Korea
- Prior art keywords
- active material
- liani1
- ycoxmyo2
- powder
- lithium secondary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 25
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000007774 positive electrode material Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims description 10
- 239000000843 powder Substances 0.000 claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 21
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 13
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 13
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 13
- 229910052712 strontium Inorganic materials 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 12
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 12
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 11
- 239000006182 cathode active material Substances 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 150000001868 cobalt Chemical class 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 150000002815 nickel Chemical class 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims 1
- 229910014909 LiaNi1-x-yCoxMyO2 Inorganic materials 0.000 abstract description 10
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052717 sulfur Inorganic materials 0.000 abstract description 4
- 239000011593 sulfur Substances 0.000 abstract description 4
- 239000011737 fluorine Substances 0.000 abstract description 3
- 229910052731 fluorine Inorganic materials 0.000 abstract description 3
- 125000001153 fluoro group Chemical group F* 0.000 abstract description 3
- 229910008533 LiaNi1 Inorganic materials 0.000 abstract description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 10
- 238000007599 discharging Methods 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- 229910017052 cobalt Inorganic materials 0.000 description 5
- 239000010941 cobalt Substances 0.000 description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 210000004027 cell Anatomy 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000000975 co-precipitation Methods 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 229910052748 manganese Inorganic materials 0.000 description 4
- 239000011572 manganese Substances 0.000 description 4
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910032387 LiCoO2 Inorganic materials 0.000 description 3
- 229910003005 LiNiO2 Inorganic materials 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910002993 LiMnO2 Inorganic materials 0.000 description 2
- 229910014063 LiNi1-xCoxO2 Inorganic materials 0.000 description 2
- 229910014114 LiNi1-xMxO2 Inorganic materials 0.000 description 2
- 229910014402 LiNi1—xCoxO2 Inorganic materials 0.000 description 2
- 229910014907 LiNi1−xMxO2 Inorganic materials 0.000 description 2
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 229910017044 Ni0.89Co0.1La0.01(OH)2 Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 239000010405 anode material Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- -1 chalcogenide compound Chemical class 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- 239000011812 mixed powder Substances 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910014054 LiNi1-xCoxMyO2 Inorganic materials 0.000 description 1
- 229910014849 LiNi1−XCoXMYO2 Inorganic materials 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 150000004673 fluoride salts Chemical group 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 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
- 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
- H01M4/581—Chalcogenides or intercalation compounds thereof
- H01M4/5815—Sulfides
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G51/00—Compounds of cobalt
- C01G51/40—Complex oxides containing cobalt and at least one other metal element
- C01G51/42—Complex oxides containing cobalt and at least one other metal element containing alkali metals, e.g. LiCoO2
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/40—Complex oxides containing nickel and at least one other metal element
- C01G53/42—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2
-
- 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
-
- 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
- H01M4/581—Chalcogenides or intercalation compounds thereof
-
- 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
- H01M4/582—Halogenides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
-
- 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
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Secondary Cells (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990022764A KR100300334B1 (ko) | 1999-06-17 | 1999-06-17 | 리튬 이차 전지용 양극 활물질 및 그의 제조 방법 |
| US09/595,379 US6569569B1 (en) | 1999-06-17 | 2000-06-15 | Positive active material for lithium secondary batteries and method of preparing the same |
| JP2000179891A JP4785230B2 (ja) | 1999-06-17 | 2000-06-15 | リチウム二次電池用正極活物質及びその製造方法 |
| CNB001222120A CN1156044C (zh) | 1999-06-17 | 2000-06-17 | 用于锂蓄电池的正极活性材料及其制备方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990022764A KR100300334B1 (ko) | 1999-06-17 | 1999-06-17 | 리튬 이차 전지용 양극 활물질 및 그의 제조 방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20010002783A KR20010002783A (ko) | 2001-01-15 |
| KR100300334B1 true KR100300334B1 (ko) | 2001-11-01 |
Family
ID=19593128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019990022764A Expired - Lifetime KR100300334B1 (ko) | 1999-06-17 | 1999-06-17 | 리튬 이차 전지용 양극 활물질 및 그의 제조 방법 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6569569B1 (enExample) |
| JP (1) | JP4785230B2 (enExample) |
| KR (1) | KR100300334B1 (enExample) |
| CN (1) | CN1156044C (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1225650A3 (en) * | 2001-01-23 | 2003-08-27 | Kabushiki Kaisha Toshiba | Positive electrode active material and lithium ion secondary battery |
| JP5036100B2 (ja) * | 2001-03-30 | 2012-09-26 | 三洋電機株式会社 | 非水電解質二次電池およびその製造方法 |
| CA2388936C (en) * | 2001-06-07 | 2006-07-18 | Kawatetsu Mining Co., Ltd. | Cathode material for use in lithium secondary battery and manufacturing method thereof |
| CN100459243C (zh) * | 2002-02-15 | 2009-02-04 | 清美化学股份有限公司 | 锂二次电池用粒状正极活性物质 |
| WO2003069702A1 (en) * | 2002-02-15 | 2003-08-21 | Seimi Chemical Co., Ltd. | Particulate positive electrode active material for lithium secondary cell |
| JP4274801B2 (ja) * | 2003-01-09 | 2009-06-10 | パナソニック株式会社 | 非水電解質二次電池用正極活物質の製造法 |
| JPWO2005008812A1 (ja) * | 2003-07-17 | 2006-09-07 | 株式会社ユアサコーポレーション | 正極活物質及びその製造方法、並びに、これを用いたリチウム二次電池用正極及びリチウム二次電池 |
| EP1508934B1 (en) * | 2003-08-20 | 2007-02-28 | Samsung SDI Co., Ltd. | Electrolyte for rechargeable lithium battery and rechargeable lithium battery comprising the same |
| US20050130042A1 (en) * | 2003-12-11 | 2005-06-16 | Byd America Corporation | Materials for positive electrodes of lithium ion batteries and their methods of fabrication |
| KR100824247B1 (ko) * | 2004-04-02 | 2008-04-24 | 에이지씨 세이미 케미칼 가부시키가이샤 | 리튬 2 차 전지 정극용 리튬 함유 복합 산화물의 제조 방법 |
| CN100472854C (zh) * | 2004-04-02 | 2009-03-25 | 清美化学股份有限公司 | 锂二次电池正极用的含锂复合氧化物的制造方法 |
| KR100751746B1 (ko) * | 2004-04-30 | 2007-08-27 | 에이지씨 세이미 케미칼 가부시키가이샤 | 리튬 2차 전지 정극용 리튬 함유 복합 산화물의 제조 방법 |
| KR101052450B1 (ko) * | 2004-06-16 | 2011-07-28 | 에이지씨 세이미 케미칼 가부시키가이샤 | 리튬 2 차 전지용 정극 활물질 분말 |
| CA2735245A1 (en) * | 2008-08-04 | 2010-02-11 | Umicore | Highly crystalline lithium transition metal oxides |
| CN109860563B (zh) * | 2018-12-17 | 2021-12-03 | 廊坊绿色工业技术服务中心 | 一种氧位掺杂镍钴铝正极材料及其制备方法和用途 |
| KR102545888B1 (ko) * | 2019-12-26 | 2023-06-22 | 한양대학교 산학협력단 | 불소를 포함하는 리튬이차전지용 양극활물질 및 이를 포함하는 리튬이차전지 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6037095A (en) * | 1997-03-28 | 2000-03-14 | Fuji Photo Film Co., Ltd. | Non-aqueous lithium ion secondary battery |
| JP4022937B2 (ja) * | 1997-04-24 | 2007-12-19 | 宇部興産株式会社 | リチウムイオン非水電解質二次電池 |
-
1999
- 1999-06-17 KR KR1019990022764A patent/KR100300334B1/ko not_active Expired - Lifetime
-
2000
- 2000-06-15 US US09/595,379 patent/US6569569B1/en not_active Expired - Lifetime
- 2000-06-15 JP JP2000179891A patent/JP4785230B2/ja not_active Expired - Lifetime
- 2000-06-17 CN CNB001222120A patent/CN1156044C/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1278112A (zh) | 2000-12-27 |
| KR20010002783A (ko) | 2001-01-15 |
| CN1156044C (zh) | 2004-06-30 |
| JP2001023641A (ja) | 2001-01-26 |
| US6569569B1 (en) | 2003-05-27 |
| JP4785230B2 (ja) | 2011-10-05 |
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