KR20020028383A - 리튬 이차 전지용 양극 활물질 및 그의 제조 방법 - Google Patents
리튬 이차 전지용 양극 활물질 및 그의 제조 방법 Download PDFInfo
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- KR20020028383A KR20020028383A KR1020000059336A KR20000059336A KR20020028383A KR 20020028383 A KR20020028383 A KR 20020028383A KR 1020000059336 A KR1020000059336 A KR 1020000059336A KR 20000059336 A KR20000059336 A KR 20000059336A KR 20020028383 A KR20020028383 A KR 20020028383A
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- active material
- secondary battery
- lithium secondary
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 32
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000007774 positive electrode material Substances 0.000 title description 40
- 239000002184 metal Substances 0.000 claims abstract description 68
- 229910052751 metal Inorganic materials 0.000 claims abstract description 66
- 150000004703 alkoxides Chemical class 0.000 claims abstract description 24
- 238000001035 drying Methods 0.000 claims abstract description 21
- 239000006182 cathode active material Substances 0.000 claims abstract description 20
- 238000000576 coating method Methods 0.000 claims abstract description 19
- 229910000000 metal hydroxide Inorganic materials 0.000 claims abstract description 14
- 150000004692 metal hydroxides Chemical class 0.000 claims abstract description 14
- 150000002642 lithium compounds Chemical class 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 229910052747 lanthanoid Inorganic materials 0.000 claims abstract description 8
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 8
- 150000003624 transition metals Chemical class 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 5
- 229910052796 boron Inorganic materials 0.000 claims abstract description 4
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 4
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 4
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 4
- 239000000243 solution Substances 0.000 claims description 44
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 37
- 239000007864 aqueous solution Substances 0.000 claims description 18
- 150000001875 compounds Chemical class 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 229910052720 vanadium Inorganic materials 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- -1 lanthanide metals Chemical class 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 229910052684 Cerium Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052746 lanthanum Inorganic materials 0.000 claims description 3
- 229910052712 strontium Inorganic materials 0.000 claims description 3
- 230000000704 physical effect Effects 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 150000002602 lanthanoids Chemical class 0.000 abstract 2
- 230000000052 comparative effect Effects 0.000 description 26
- 239000000843 powder Substances 0.000 description 26
- 238000010438 heat treatment Methods 0.000 description 22
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 21
- 239000010410 layer Substances 0.000 description 18
- 239000002002 slurry Substances 0.000 description 14
- 229910044991 metal oxide Inorganic materials 0.000 description 12
- 150000004706 metal oxides Chemical class 0.000 description 12
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 9
- 239000011572 manganese Substances 0.000 description 8
- 238000002156 mixing Methods 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 6
- 239000004020 conductor Substances 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 229910021450 lithium metal oxide Inorganic materials 0.000 description 6
- 229910003002 lithium salt Inorganic materials 0.000 description 6
- 159000000002 lithium salts Chemical class 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229910013716 LiNi Inorganic materials 0.000 description 5
- 239000011149 active material Substances 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 5
- 150000002696 manganese Chemical class 0.000 description 5
- 150000002815 nickel Chemical class 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- 150000001868 cobalt Chemical class 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- ZAUUZASCMSWKGX-UHFFFAOYSA-N manganese nickel Chemical compound [Mn].[Ni] ZAUUZASCMSWKGX-UHFFFAOYSA-N 0.000 description 4
- 239000002243 precursor Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 3
- 229910013870 LiPF 6 Inorganic materials 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 150000002221 fluorine Chemical class 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 239000012046 mixed solvent Substances 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 150000003463 sulfur Chemical class 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 239000010406 cathode material Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000003618 dip coating Methods 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 2
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 150000003017 phosphorus Chemical class 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910013733 LiCo Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910021569 Manganese fluoride Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- MQRWBMAEBQOWAF-UHFFFAOYSA-N acetic acid;nickel Chemical compound [Ni].CC(O)=O.CC(O)=O MQRWBMAEBQOWAF-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 229910021446 cobalt carbonate Inorganic materials 0.000 description 1
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 1
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- ZOTKGJBKKKVBJZ-UHFFFAOYSA-L cobalt(2+);carbonate Chemical compound [Co+2].[O-]C([O-])=O ZOTKGJBKKKVBJZ-UHFFFAOYSA-L 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- CTNMMTCXUUFYAP-UHFFFAOYSA-L difluoromanganese Chemical compound F[Mn]F CTNMMTCXUUFYAP-UHFFFAOYSA-L 0.000 description 1
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- HHFAWKCIHAUFRX-UHFFFAOYSA-N ethoxide Chemical compound CC[O-] HHFAWKCIHAUFRX-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 description 1
- GLNWILHOFOBOFD-UHFFFAOYSA-N lithium sulfide Chemical compound [Li+].[Li+].[S-2] GLNWILHOFOBOFD-UHFFFAOYSA-N 0.000 description 1
- 229940071125 manganese acetate Drugs 0.000 description 1
- UOGMEBQRZBEZQT-UHFFFAOYSA-L manganese(2+);diacetate Chemical compound [Mn+2].CC([O-])=O.CC([O-])=O UOGMEBQRZBEZQT-UHFFFAOYSA-L 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910021518 metal oxyhydroxide Inorganic materials 0.000 description 1
- NBTOZLQBSIZIKS-UHFFFAOYSA-N methoxide Chemical compound [O-]C NBTOZLQBSIZIKS-UHFFFAOYSA-N 0.000 description 1
- 229940078494 nickel acetate Drugs 0.000 description 1
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 1
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 125000002467 phosphate group Chemical class [H]OP(=O)(O[H])O[*] 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- IKNCGYCHMGNBCP-UHFFFAOYSA-N propan-1-olate Chemical compound CCC[O-] IKNCGYCHMGNBCP-UHFFFAOYSA-N 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- CADICXFYUNYKGD-UHFFFAOYSA-N sulfanylidenemanganese Chemical compound [Mn]=S CADICXFYUNYKGD-UHFFFAOYSA-N 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- 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
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (4)
- 하기 화학식 1 내지 14의 화합물로부터 선택되는 리튬 화합물을 포함하는 코어; 및상기 코어 위에 형성된 비정질 또는 결정질 금속 수산화물 층을 포함하는 리튬 이차 전지용 양극 활물질.[화학식 1]LixMnA2[화학식 2]LixMnO2-zAz[화학식 3]LixMn1-yM'yA2[화학식 4]LixMn1-yM'yO2-zAz[화학식 5]LixMn2O4[화학식 6]LixMn2O4-zAz[화학식 7]LixMn2-yM'yA4[화학식 8]LixBA2[화학식 9]LixBO2-zAz[화학식 10]LixB1-yM"yA2[화학식 11]LixNi1-yCoyA2[화학식 12]LixNi1-yCoyO2-zAz[화학식 13]LixNi1-y-zCoyM"zA2[화학식 14]Lix'Ni1-y'Mny'Mz'Aα(상기 식에서, 0.95 ≤ x ≤ 1.1, 0.01 ≤ y ≤ 0.1, 0.01 ≤ z ≤ 0.5, 0.95 ≤ x' ≤ 1, 0.01 ≤ y' ≤ 0.5, 0 ≤ z' ≤ 0.1, 0.01 ≤ α ≤ 0.5이고, M'은 Al, Cr, Mn, Fe, Mg, La, Ce, Sr 및 V로 이루어진 군에서 선택되는 전이 금속 또는 란타나이드 금속 중 하나 이상의 금속이고, M"은 Al, Cr, Co, Mg, La, Ce, Sr 및 V로 이루어진 군에서 선택되는 전이 금속 또는 란타나이드 금속 중 하나 이상의 금속이며, A는 O, F, S 및 P로 이루어진 군에서 선택되고, B는 Ni 또는 Co이다.)
- 제 1 항에 있어서, 상기 금속은 알콜 또는 수용액에 용해되는 물성을 갖는 것인 리튬 이차 전지용 양극 활물질.
- 하기 화학식 1 내지 14의 화합물 중에서 선택되는 리튬 화합물을 금속 알콕사이드 용액 또는 금속 수용액으로 코팅하고;상기 금속 알콕사이드 용액 또는 금속 수용액이 코팅된 화합물을 건조하는 공정을 포함하는 리튬 이차 전지용 양극 활물질의 제조 방법.[화학식 1]LixMnA2[화학식 2]LixMnO2-zAz[화학식 3]LixMn1-yM'yA2[화학식 4]LixMn1-yM'yO2-zAz[화학식 5]LixMn2O4[화학식 6]LixMn2O4-zAz[화학식 7]LixMn2-yM'yA4[화학식 8]LixBA2[화학식 9]LixBO2-zAz[화학식 10]LixB1-yM"yA2[화학식 11]LixNi1-yCoyA2[화학식 12]LixNi1-yCoyO2-zAz[화학식 13]LixNi1-y-zCoyM"zA2[화학식 14]Lix'Ni1-y'Mny'Mz'Aα(상기 식에서, 0.95 ≤ x ≤ 1.1, 0.01 ≤ y ≤ 0.1, 0.01 ≤ z ≤ 0.5, 0.95 ≤ x' ≤ 1, 0.01 ≤ y' ≤ 0.5, 0 ≤ z' ≤ 0.1, 0.01 ≤ α ≤ 0.5이고, M'은 Al, Cr, Mn, Fe, Mg, La, Ce, Sr 및 V로 이루어진 군에서 선택되는 전이 금속 또는 란타나이드 금속 중 하나 이상의 금속이고, M"은 Al, Cr, Co, Mg, La, Ce, Sr 및 V로 이루어진 군에서 선택되는 전이 금속 또는 란타나이드 금속 중 하나 이상의 금속이며, A는 O, F, S 및 P로 이루어진 군에서 선택되고, B는 Ni 또는 Co이다.)
- 제 3 항에 있어서, 상기 코팅 공정은 상기 리튬 화합물과 금속 알콕사이드 용액 또는 금속 수용액을 혼합기에 첨가한 후, 비활성 가스를 주입하면서 온도를 증가시켜 실시하는 것인 제조 방법.
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0059336A KR100399634B1 (ko) | 2000-10-09 | 2000-10-09 | 리튬 이차 전지용 양극 활물질 및 그의 제조 방법 |
US09/897,445 US7138209B2 (en) | 2000-10-09 | 2001-07-03 | Positive active material for rechargeable lithium battery and method of preparing same |
JP2001207684A JP4362021B2 (ja) | 2000-10-09 | 2001-07-09 | リチウム二次電池用正極活物質 |
EP01117958A EP1195825B1 (en) | 2000-10-09 | 2001-07-24 | Positive active material for rechargeable lithium battery and method of preparing same |
CNB011232641A CN1209830C (zh) | 2000-10-09 | 2001-07-25 | 用于可充电锂电池的正极活性材料及其制备方法 |
CA2353806A CA2353806C (en) | 2000-10-09 | 2001-07-25 | Positive active material for rechargeable lithium battery and method of preparing same |
US10/627,725 US8034486B2 (en) | 2000-10-09 | 2003-07-28 | Positive active material for rechargeable lithium battery and method of preparing same |
US11/438,269 US8007941B2 (en) | 2000-10-09 | 2006-05-23 | Positive active material for rechargeable lithium battery and method of preparing same |
JP2009119113A JP5240780B2 (ja) | 2000-10-09 | 2009-05-15 | リチウム二次電池用正極活物質及びその製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR10-2000-0059336A KR100399634B1 (ko) | 2000-10-09 | 2000-10-09 | 리튬 이차 전지용 양극 활물질 및 그의 제조 방법 |
Publications (2)
Publication Number | Publication Date |
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KR20020028383A true KR20020028383A (ko) | 2002-04-17 |
KR100399634B1 KR100399634B1 (ko) | 2003-09-29 |
Family
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KR10-2000-0059336A Expired - Lifetime KR100399634B1 (ko) | 2000-10-09 | 2000-10-09 | 리튬 이차 전지용 양극 활물질 및 그의 제조 방법 |
Country Status (1)
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KR (1) | KR100399634B1 (ko) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100454233B1 (ko) * | 2002-09-30 | 2004-10-26 | 광주과학기술원 | 리튬이차전지 양극활물질용 삼원계 리튬금속산화물 |
KR100542184B1 (ko) * | 2001-07-19 | 2006-01-10 | 삼성에스디아이 주식회사 | 전지용 활물질 및 그의 제조 방법 |
KR100739620B1 (ko) * | 2001-05-15 | 2007-07-16 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 양극 활물질 및 그의 제조 방법 |
KR100824931B1 (ko) * | 2006-10-30 | 2008-04-28 | 한국전기연구원 | 활물질. 그 제조방법 및 이를 구비한 리튬 이차 전지 |
US8007941B2 (en) | 2000-10-09 | 2011-08-30 | Samsung Sdi Co., Ltd. | Positive active material for rechargeable lithium battery and method of preparing same |
KR20170140633A (ko) * | 2016-06-13 | 2017-12-21 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 양극 활물질 및 이를 포함하는 리튬 이차 전지 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US5135732A (en) * | 1991-04-23 | 1992-08-04 | Bell Communications Research, Inc. | Method for preparation of LiMn2 O4 intercalation compounds and use thereof in secondary lithium batteries |
JP3451763B2 (ja) * | 1994-11-29 | 2003-09-29 | ソニー株式会社 | 正極活物質の製造方法 |
US5733685A (en) * | 1996-07-12 | 1998-03-31 | Duracell Inc. | Method of treating lithium manganese oxide spinel |
JPH1197027A (ja) * | 1997-09-18 | 1999-04-09 | Ricoh Co Ltd | 非水電解質二次電池 |
KR100277796B1 (ko) * | 1998-02-10 | 2001-02-01 | 김순택 | 리튬 이차 전지용 양극 활물질 및 그 제조 방법 |
-
2000
- 2000-10-09 KR KR10-2000-0059336A patent/KR100399634B1/ko not_active Expired - Lifetime
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8007941B2 (en) | 2000-10-09 | 2011-08-30 | Samsung Sdi Co., Ltd. | Positive active material for rechargeable lithium battery and method of preparing same |
US8034486B2 (en) | 2000-10-09 | 2011-10-11 | Samsung Sdi Co., Ltd. | Positive active material for rechargeable lithium battery and method of preparing same |
KR100739620B1 (ko) * | 2001-05-15 | 2007-07-16 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 양극 활물질 및 그의 제조 방법 |
KR100542184B1 (ko) * | 2001-07-19 | 2006-01-10 | 삼성에스디아이 주식회사 | 전지용 활물질 및 그의 제조 방법 |
KR100454233B1 (ko) * | 2002-09-30 | 2004-10-26 | 광주과학기술원 | 리튬이차전지 양극활물질용 삼원계 리튬금속산화물 |
KR100824931B1 (ko) * | 2006-10-30 | 2008-04-28 | 한국전기연구원 | 활물질. 그 제조방법 및 이를 구비한 리튬 이차 전지 |
KR20170140633A (ko) * | 2016-06-13 | 2017-12-21 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 양극 활물질 및 이를 포함하는 리튬 이차 전지 |
US10454099B2 (en) | 2016-06-13 | 2019-10-22 | Samsung Sdi Co., Ltd. | Positive active material for rechargeable lithiuim battery and rechargeable lithium battery including same |
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