KR100842158B1 - 망간계 리튬 이차 전지 - Google Patents
망간계 리튬 이차 전지 Download PDFInfo
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- KR100842158B1 KR100842158B1 KR1020070016487A KR20070016487A KR100842158B1 KR 100842158 B1 KR100842158 B1 KR 100842158B1 KR 1020070016487 A KR1020070016487 A KR 1020070016487A KR 20070016487 A KR20070016487 A KR 20070016487A KR 100842158 B1 KR100842158 B1 KR 100842158B1
- Authority
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- South Korea
- Prior art keywords
- manganese
- negative electrode
- active material
- electrode active
- secondary battery
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- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 title claims description 5
- 239000011572 manganese Substances 0.000 claims abstract description 107
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 58
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 58
- 239000007773 negative electrode material Substances 0.000 claims abstract description 58
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 36
- 239000002245 particle Substances 0.000 claims abstract description 17
- 239000002516 radical scavenger Substances 0.000 claims abstract description 16
- 239000003792 electrolyte Substances 0.000 claims abstract description 14
- 229910001437 manganese ion Inorganic materials 0.000 claims abstract description 11
- 239000007774 positive electrode material Substances 0.000 claims abstract description 9
- WAEMQWOKJMHJLA-UHFFFAOYSA-N Manganese(2+) Chemical compound [Mn+2] WAEMQWOKJMHJLA-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910021450 lithium metal oxide Inorganic materials 0.000 claims abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 26
- 239000003795 chemical substances by application Substances 0.000 claims description 26
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 20
- 229910052799 carbon Inorganic materials 0.000 claims description 18
- 229910021385 hard carbon Inorganic materials 0.000 claims description 8
- 229910052596 spinel Inorganic materials 0.000 claims description 5
- 239000011029 spinel Substances 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 239000006183 anode active material Substances 0.000 claims description 2
- 239000000571 coke Substances 0.000 claims description 2
- 150000003609 titanium compounds Chemical class 0.000 claims 1
- 238000000354 decomposition reaction Methods 0.000 abstract description 5
- 239000002244 precipitate Substances 0.000 abstract description 5
- 238000001556 precipitation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 14
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 8
- 230000007774 longterm Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000006722 reduction reaction Methods 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 5
- 239000003575 carbonaceous material Substances 0.000 description 5
- -1 Li 4 Ti 5 O 12 Chemical class 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000006258 conductive agent Substances 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- DHKHKXVYLBGOIT-UHFFFAOYSA-N 1,1-Diethoxyethane Chemical compound CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 239000006245 Carbon black Super-P Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 2
- VUPKGFBOKBGHFZ-UHFFFAOYSA-N dipropyl carbonate Chemical compound CCCOC(=O)OCCC VUPKGFBOKBGHFZ-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229910002102 lithium manganese oxide Inorganic materials 0.000 description 2
- VLXXBCXTUVRROQ-UHFFFAOYSA-N lithium;oxido-oxo-(oxomanganiooxy)manganese Chemical group [Li+].[O-][Mn](=O)O[Mn]=O VLXXBCXTUVRROQ-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 229910017008 AsF 6 Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910020366 ClO 4 Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- 239000002000 Electrolyte additive Substances 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000002388 carbon-based active material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- CKFRRHLHAJZIIN-UHFFFAOYSA-N cobalt lithium Chemical compound [Li].[Co] CKFRRHLHAJZIIN-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- SMBQBQBNOXIFSF-UHFFFAOYSA-N dilithium Chemical compound [Li][Li] SMBQBQBNOXIFSF-UHFFFAOYSA-N 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- RSNHXDVSISOZOB-UHFFFAOYSA-N lithium nickel Chemical compound [Li].[Ni] RSNHXDVSISOZOB-UHFFFAOYSA-N 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 229910001510 metal chloride Inorganic materials 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910001960 metal nitrate Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000007500 overflow downdraw method Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000002006 petroleum coke Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000012808 vapor phase 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
- 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
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- 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
- 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
-
- 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
-
- 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
Description
| (ppm) | 55℃에서 10일 저장 후 음극 표면상 Mn 농도 증가율 |
| 비교예 1 | 509.82% |
| 실시예 1 | 423.79% |
| 코팅 산화물 | 65℃ 1주 출력보존량 | 65℃ 2주 출력보존량 |
| 실시예1 | 90.1 | 82.4 |
| 비교예1 | 81.5 | 68.3 |
| 비교예2 | 80.2 | 64.4 |
| 비교예3 | 84.1 | 72.7 |
| 비교예4 | 79.9 | 64.6 |
Claims (11)
- 망간계 리튬 금속 산화물을 함유하는 양극; 음극; 및 전해질을 포함하는 망간계 리튬 이차 전지에 있어서, 상기 음극은 도전성 또는 반도성(semiconducting) 특성에 의해 표면상에서 망간이온을 환원시킬 수 있는 Mn 포착제(scavenger)가 음극 활물질 입자 일부 또는 전부에 피복된 것이 특징인 망간계 리튬 이차 전지.
- 제1항에 있어서, Mn 포착제는 음극 활물질 전체 중량의 0.1 내지 20 중량%인 것이 특징인 망간계 리튬 이차 전지.
- 제1항에 있어서, 상기 Mn 포착제는 전자 전도성 티타늄계 화합물인 것이 특징인 망간계 리튬 이차 전지.
- 제1항에 있어서, 상기 Mn 포착제는 TiO2 및 TiS2로 이루어진 군에서 선택된 것이 특징인 망간계 리튬 이차 전지.
- 제1항에 있어서, 상기 Mn 포착제는 TiO2인 것이 특징인 망간계 리튬 이차 전지.
- 제1항에 있어서, 음극 활물질은 탄소계인 것이 특징인 망간계 리튬 이차 전지.
- 제6항에 있어서, 상기 탄소계 음극 활물질은 흑연계 탄소, 코크스계 탄소 및 하드 카본으로 이루어진 군에서 선택된 하나 또는 둘 이상의 탄소 입자인 것이 특징인 망간계 리튬 이차 전지.
- 제1항에 있어서, 상기 양극은 망간 스피넬계 양극활물질을 30중량% 이상 포함하고 있는 것이 특징인 망간계 리튬 이차 전지.
- 제1항에 있어서, 전기 자동차의 동력원으로 사용되는 것이 특징인 망간계 리튬 이차전지.
- 도전성 또는 반도성(semiconducting) 특성에 의해 표면상에서 망간이온을 환원시킬 수 있는 Mn 포착제(scavenger)가 음극 활물질 입자 일부 또는 전부에 피복된 것이 특징인 음극 활물질.
- 도전성 또는 반도성(semiconducting) 특성에 의해 표면상에서 망간이온을 환원시킬 수 있는 Mn 포착제(scavenger) 가 음극 활물질 입자 일부 또는 전부에 피복된 음극 활물질을 포함한 것이 특징인 음극.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20060015862 | 2006-02-17 | ||
| KR1020060015862 | 2006-02-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20070082892A KR20070082892A (ko) | 2007-08-22 |
| KR100842158B1 true KR100842158B1 (ko) | 2008-06-27 |
Family
ID=38371766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020070016487A Active KR100842158B1 (ko) | 2006-02-17 | 2007-02-16 | 망간계 리튬 이차 전지 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9947915B2 (ko) |
| EP (1) | EP1994584B1 (ko) |
| JP (1) | JP5208768B2 (ko) |
| KR (1) | KR100842158B1 (ko) |
| CN (1) | CN101385163B (ko) |
| TW (1) | TWI341613B (ko) |
| WO (1) | WO2007094635A1 (ko) |
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| JP5201314B2 (ja) * | 2007-06-04 | 2013-06-05 | 戸田工業株式会社 | 非水電解質二次電池用の複合正極活物質の製造方法 |
| KR101642334B1 (ko) * | 2011-03-11 | 2016-07-25 | 주식회사 엘지화학 | 이차전지용 세퍼레이터 |
| CN102593416B (zh) * | 2012-02-20 | 2014-08-27 | 宁德新能源科技有限公司 | 锂二次电池及其负极片 |
| FR2997228B1 (fr) | 2012-10-24 | 2016-05-06 | Renault Sa | Electrode negative pour cellule electrochimique de stockage d'energie, cellule electrochimique et batterie correspondantes et leur utilisation dans un vehicule electrique |
| US9034519B2 (en) * | 2013-01-18 | 2015-05-19 | GM Global Technology Operations LLC | Ultrathin surface coating on negative electrodes to prevent transition metal deposition and methods for making and use thereof |
| US10522822B2 (en) | 2013-02-01 | 2019-12-31 | Emd Acquisition Llc | Lithium manganese oxide compositions |
| US9531004B2 (en) | 2013-12-23 | 2016-12-27 | GM Global Technology Operations LLC | Multifunctional hybrid coatings for electrodes made by atomic layer deposition techniques |
| US9564639B2 (en) | 2014-02-12 | 2017-02-07 | GM Global Technology Operations LLC | High performance silicon electrodes having improved interfacial adhesion between binder and silicon |
| JP6295324B2 (ja) * | 2014-06-18 | 2018-03-14 | 株式会社日立製作所 | リチウムイオン電池およびその製造方法 |
| JP6390917B2 (ja) | 2015-11-05 | 2018-09-19 | トヨタ自動車株式会社 | 非水電解液二次電池 |
| US10396360B2 (en) | 2016-05-20 | 2019-08-27 | Gm Global Technology Operations Llc. | Polymerization process for forming polymeric ultrathin conformal coatings on electrode materials |
| US10164245B2 (en) | 2016-09-19 | 2018-12-25 | GM Global Technology Operations LLC | High performance silicon electrodes having improved interfacial adhesion between binder, silicon and conductive particles |
| CN107240680B (zh) * | 2017-05-21 | 2019-12-13 | 合肥国轩高科动力能源有限公司 | 一种硬碳-金属氧化物-软碳复合材料及其制备方法和应用 |
| KR102734102B1 (ko) | 2018-06-22 | 2024-11-25 | 주식회사 엘지에너지솔루션 | 분리막 및 이를 포함하는 리튬 이차전지 |
| WO2019245170A1 (ko) * | 2018-06-22 | 2019-12-26 | 주식회사 엘지화학 | 분리막 및 이를 포함하는 리튬 이차전지 |
| US10868307B2 (en) | 2018-07-12 | 2020-12-15 | GM Global Technology Operations LLC | High-performance electrodes employing semi-crystalline binders |
| US11228037B2 (en) | 2018-07-12 | 2022-01-18 | GM Global Technology Operations LLC | High-performance electrodes with a polymer network having electroactive materials chemically attached thereto |
| CN112117443A (zh) * | 2019-06-21 | 2020-12-22 | 宁德时代新能源科技股份有限公司 | 一种改善锰沉积的负极及其锂离子二次电池 |
| JP7205725B2 (ja) * | 2019-08-05 | 2023-01-17 | トヨタ自動車株式会社 | 電池制御システム |
| JP6930641B1 (ja) | 2020-07-16 | 2021-09-01 | 住友大阪セメント株式会社 | リチウムイオン二次電池用金属吸着材担持炭素材料、リチウムイオン二次電池用正極材料、リチウムイオン二次電池用正極、リチウムイオン二次電池 |
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- 2007-02-16 CN CN2007800053774A patent/CN101385163B/zh active Active
- 2007-02-16 JP JP2008555161A patent/JP5208768B2/ja active Active
- 2007-02-16 TW TW096106030A patent/TWI341613B/zh active
- 2007-02-16 EP EP07708984.5A patent/EP1994584B1/en active Active
- 2007-02-16 WO PCT/KR2007/000834 patent/WO2007094635A1/en not_active Ceased
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Also Published As
| Publication number | Publication date |
|---|---|
| US20070202411A1 (en) | 2007-08-30 |
| EP1994584B1 (en) | 2014-08-13 |
| WO2007094635A1 (en) | 2007-08-23 |
| TWI341613B (en) | 2011-05-01 |
| JP5208768B2 (ja) | 2013-06-12 |
| JP2009527089A (ja) | 2009-07-23 |
| CN101385163A (zh) | 2009-03-11 |
| US9947915B2 (en) | 2018-04-17 |
| CN101385163B (zh) | 2012-03-28 |
| KR20070082892A (ko) | 2007-08-22 |
| TW200805749A (en) | 2008-01-16 |
| EP1994584A1 (en) | 2008-11-26 |
| EP1994584A4 (en) | 2010-01-20 |
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