KR100312689B1 - 리튬 이차 전지용 양극 활물질 조성물 및 그를 포함하는 리튬이차 전지 - Google Patents
리튬 이차 전지용 양극 활물질 조성물 및 그를 포함하는 리튬이차 전지 Download PDFInfo
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- KR100312689B1 KR100312689B1 KR1019990034414A KR19990034414A KR100312689B1 KR 100312689 B1 KR100312689 B1 KR 100312689B1 KR 1019990034414 A KR1019990034414 A KR 1019990034414A KR 19990034414 A KR19990034414 A KR 19990034414A KR 100312689 B1 KR100312689 B1 KR 100312689B1
- Authority
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- South Korea
- Prior art keywords
- formula
- active material
- positive electrode
- lithium secondary
- secondary battery
- Prior art date
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- 239000007774 positive electrode material Substances 0.000 title claims abstract description 56
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 49
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000000203 mixture Substances 0.000 title claims abstract description 32
- 239000006182 cathode active material Substances 0.000 claims abstract description 33
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 17
- 229910015645 LiMn Inorganic materials 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 16
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 16
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- -1 lanthanide metals Chemical class 0.000 claims abstract description 12
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 12
- 229910052796 boron Inorganic materials 0.000 claims abstract description 9
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 8
- 229910052747 lanthanoid Inorganic materials 0.000 claims abstract description 8
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 8
- 229910014689 LiMnO Inorganic materials 0.000 claims abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 6
- 229910013716 LiNi Inorganic materials 0.000 claims abstract description 5
- 150000002739 metals Chemical class 0.000 claims abstract description 5
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 4
- 229910013184 LiBO Inorganic materials 0.000 claims abstract description 4
- 229910015030 LiNiCoO Inorganic materials 0.000 claims abstract description 4
- 241000507463 Limnas Species 0.000 claims abstract description 4
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 4
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 4
- 229910052712 strontium Inorganic materials 0.000 claims abstract description 4
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 4
- 230000007704 transition Effects 0.000 claims abstract description 4
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 4
- 150000003624 transition metals Chemical class 0.000 claims abstract description 4
- 239000003792 electrolyte Substances 0.000 claims description 18
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 8
- 229910001416 lithium ion Inorganic materials 0.000 claims description 8
- 239000007773 negative electrode material Substances 0.000 claims description 6
- 239000003125 aqueous solvent Substances 0.000 claims description 2
- 238000009831 deintercalation Methods 0.000 claims description 2
- 239000011572 manganese Substances 0.000 abstract description 34
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 20
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 abstract description 13
- 229910017052 cobalt Inorganic materials 0.000 abstract description 8
- 239000010941 cobalt Substances 0.000 abstract description 8
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 8
- 239000011149 active material Substances 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 16
- 239000000843 powder Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 12
- 239000002002 slurry Substances 0.000 description 9
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 8
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 8
- 239000011230 binding agent Substances 0.000 description 8
- 229910003002 lithium salt Inorganic materials 0.000 description 8
- 159000000002 lithium salts Chemical class 0.000 description 8
- 239000006258 conductive agent Substances 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- 239000011888 foil Substances 0.000 description 6
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 150000002697 manganese compounds Chemical class 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- 229910013870 LiPF 6 Inorganic materials 0.000 description 4
- 239000002033 PVDF binder Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000008151 electrolyte solution Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 4
- 239000002243 precursor Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- 229910016230 LiNi0.9Co0.1Sr0.002O2 Inorganic materials 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- 150000001869 cobalt compounds Chemical class 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 150000002816 nickel compounds Chemical class 0.000 description 3
- 229920006254 polymer film Polymers 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000006872 improvement Effects 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
- 239000001301 oxygen Substances 0.000 description 2
- 239000005518 polymer electrolyte Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- JLQFVGYYVXALAG-CFEVTAHFSA-N yasmin 28 Chemical compound OC1=CC=C2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1.C([C@]12[C@H]3C[C@H]3[C@H]3[C@H]4[C@@H]([C@]5(CCC(=O)C=C5[C@@H]5C[C@@H]54)C)CC[C@@]31C)CC(=O)O2 JLQFVGYYVXALAG-CFEVTAHFSA-N 0.000 description 2
- ZVYSYCLZXICWLH-UHFFFAOYSA-N 1,3-dioxetan-2-one Chemical compound O=C1OCO1 ZVYSYCLZXICWLH-UHFFFAOYSA-N 0.000 description 1
- LLQHSBBZNDXTIV-UHFFFAOYSA-N 6-[5-[[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]methyl]-4,5-dihydro-1,2-oxazol-3-yl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC1CC(=NO1)C1=CC2=C(NC(O2)=O)C=C1 LLQHSBBZNDXTIV-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 1
- 229910013075 LiBF Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 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
- 230000002411 adverse Effects 0.000 description 1
- 239000006183 anode active material Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000004917 carbon fiber Substances 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
- CKFRRHLHAJZIIN-UHFFFAOYSA-N cobalt lithium Chemical compound [Li].[Co] CKFRRHLHAJZIIN-UHFFFAOYSA-N 0.000 description 1
- 229910001981 cobalt nitrate 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
- ASKVAEGIVYSGNY-UHFFFAOYSA-L cobalt(ii) hydroxide Chemical compound [OH-].[OH-].[Co+2] ASKVAEGIVYSGNY-UHFFFAOYSA-L 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 150000002500 ions Chemical group 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 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
- 239000000155 melt Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- KKQAVHGECIBFRQ-UHFFFAOYSA-N methyl propyl carbonate Chemical compound CCCOC(=O)OC KKQAVHGECIBFRQ-UHFFFAOYSA-N 0.000 description 1
- 239000004570 mortar (masonry) Substances 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
- 239000011255 nonaqueous electrolyte Substances 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
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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
- H01M4/362—Composites
- H01M4/364—Composites as mixtures
-
- 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
-
- 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
- H01M4/483—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
-
- 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
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
-
- 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
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
-
- 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
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (4)
- 하기 화학식 1-24로 이루어진 군에서 선택되는 양극 활물질; 및Si, B, Ti, Ga, Ge 및 Al으로 이루어진 군에서 선택되는 하나 이상의 금속 산화물을 포함하는 리튬 이차 전지용 양극 활물질 조성물.[화학식 1]LiMnA2[화학식 2]LixMnA2[화학식 3]LiMnO2-zAz[화학식 4]LixMnO2-zAz[화학식 5]LiMn1-yM'yA2[화학식 6]LixMn1-yM'yA2[화학식 7]LiMn2A4[화학식 8]LixMn2O4[화학식 9]LiMn2O4-zAz[화학식 10]LixMn2O4-zAz[화학식 11]LiMn2-yM'yA4[화학식 12]LixMn2-yM'yA4[화학식 13]LiBA2[화학식 14]LixBA2[화학식 15]LiBO2-zAz[화학식 16]LixBO2-zAz[화학식 17]LiB1-yM'yA2[화학식 18]LixB1-yM'yA2[화학식 19]LiNiCoA2[화학식 20]LixNiCoA2[화학식 21]LiNiCoO2-zAz[화학식 22]LixNiCoO2-zAz[화학식 23]LiNi1-y-zCoyM'zA2[화학식 24]LixNi1-y-zCoyM'zA2(상기 식에서, 1.0 ≤ x ≤ 1.1, 0.01 ≤ y ≤ 0.1, 0.01 ≤ z ≤ 0.5이며, 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 금속 산화물의 양은 상기 양극 활물질 중량의 0.01∼10 중량%인 리튬 이차 전지용 양극 활물질 조성물.
- 하기 화학식 1-24로 이루어진 군에서 선택되는 양극 활물질; 및 Si, B, Ti, Ga, Ge 및 Al으로 이루어진 군에서 선택되는 하나 이상의 금속 산화물을 포함하는 리튬 이차 전지용 양극 활물질을 포함하는 양극;리튬 이온의 탈삽입이 가능한 음극 활물질을 포함하는 음극; 및비수용매 전해질을 포함하는 리튬 이차 전지.[화학식 1]LiMnA2[화학식 2]LixMnA2[화학식 3]LiMnO2-zAz[화학식 4]LixMnO2-zAz[화학식 5]LiMn1-yM'yA2[화학식 6]LixMn1-yM'yA2[화학식 7]LiMn2A4[화학식 8]LixMn2O4[화학식 9]LiMn2O4-zAz[화학식 10]LixMn2O4-zAz[화학식 11]LiMn2-yM'yA4[화학식 12]LixMn2-yM'yA4[화학식 13]LiBA2[화학식 14]LixBA2[화학식 15]LiBO2-zAz[화학식 16]LixBO2-zAz[화학식 17]LiB1-yM'yA2[화학식 18]LixB1-yM'yA2[화학식 19]LiNiCoA2[화학식 20]LixNiCoA2[화학식 21]LiNiCoO2-zAz[화학식 22]LixNiCoO2-zAz[화학식 23]LiNi1-y-zCoyM'zA2[화학식 24]LixNi1-y-zCoyM'zA2(상기 식에서, 1.0 ≤ x ≤ 1.1, 0.01 ≤ y ≤ 0.1, 0.01 ≤ z ≤ 0.5이며, 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 양극은 금속 산화물을 양극 활물질 중량의 0.01∼10 중량%로 포함하는 것인 리튬 이차 전지.
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JP2000155373A JP4101435B2 (ja) | 1999-05-25 | 2000-05-25 | リチウム二次電池用正極活物質組成物及びそれを用いた正極の製造方法 |
US09/579,576 US7608365B1 (en) | 1999-05-25 | 2000-05-25 | Positive active material composition for rechargeable lithium battery and method of preparing positive electrode using same |
CNB001063987A CN1181580C (zh) | 1999-05-25 | 2000-05-25 | 可充电锂电池的正极活性材料组合物及其使用该组合物制备正极的方法 |
US11/510,301 US7655358B2 (en) | 1999-05-25 | 2006-08-25 | Positive active material composition for rechargeable lithium battery and method of preparing positive electrode using same |
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JPH09330719A (ja) * | 1996-06-11 | 1997-12-22 | Sanyo Electric Co Ltd | リチウム二次電池 |
KR19990004384A (ko) * | 1997-06-27 | 1999-01-15 | 성재갑 | 리튬 전지용 양극 및 그의 제조방법 |
JPH11185758A (ja) * | 1997-12-24 | 1999-07-09 | Aichi Steel Works Ltd | 非水二次電池用正極材料 |
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